<?php
/*
Plugin Name: Pinpoint Booking System - Version 2
Version: 2.9.9.6.9
Plugin URI: https://wordpress.org/plugins/booking-system/
Description: Transform your WordPress website into a booking/reservation system. If you like this plugin, feel free to rate it five stars at <a href="https://wordpress.org/support/plugin/booking-system/reviews" target="_blank">Wordpress</a> in Reviews section. If you encounter any problems please contact us at <a href="https://pinpoint.world/contact">https://pinpoint.world/contact</a> so we can help you.
Author: PINPOINT.WORLD
Author URI: https://pinpoint.world/wordpress-booking?utm_source=WordPress&utm_medium=Plugin%20FREE%20repository
License: GPL v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/*
Change log:

        2.9.9.6.9 (2026-06-18)

                * Reservations are now canceled correctly when the related WooCommerce order is canceled, bug fixed.
                * Reservation export to XLS format has been improved.
                * The bug affecting reservation export in CSV format has been fixed.
                * The bug related to the initial Google Calendar synchronization authorization request has been fixed.
                * Updated the usage of the woocommerce_checkout_create_order and woocommerce_store_api_checkout_update_order_meta hooks to ensure compatibility with WooCommerce version 10.8.1.

        2.9.9.6.8 (2026-05-08)

                * The day generation logic used for availability verification has been updated to work correctly on newer PHP versions.

        2.9.9.6.7 (2026-05-08)

                * Reservations can be canceled or refunded after the check-in date has passed.

        2.9.9.6.6 (2026-04-26)

                * iCal timezone transitions are now created correctly for specific timezones, bug fixed.
                * License activation has been removed from the free version. The PRO version must be installed for this feature to work.
                * Reservations are now added correctly, and new hooks have been implemented for the latest versions of WooCommerce.
                * The mktime() function is now used correctly, bug fixed.
                * The widgets is displayed correctly on the page, bug fixed.

        2.9.9.6.5 (2026-03-04)

                * A number of issues that can return 120 errors have been resolved.
                * Compatibility with different WordPress email plugins has been verified, and any issues and incompatibilities have been fixed.
                * Reservations without form data now display correctly in the admin.
                * The XLS export bug has been fixed.

        2.9.9.6.4 (2026-01-20)

                * Add-on files now load correctly, bug fixed.
                * Total price is now displayed correctly in email notifications, bug fixed.

        2.9.9.6.3 (2026-01-09)

                * Individual calendar permissions are now saved correctly, bug fixed.
                * The Add Reservation section is displayed correctly in the admin area, bug fixed.
                * The PayPal bug has been fixed.

        2.9.9.6.2 (2025-12-29)

                * Coupon validation is handled correctly, bug fixed.

        2.9.9.6.1 (2025-12-23)

                * Small bugs have been repaired.

        2.9.9.6.0 (2025-12-19)

                * Modifications have been made to ensure compliance with WordPress guidelines.
                * IMPORTANT! PHP 8 is required.

        2.9.9.5.9 (2025-10-07)

                * iCal files for calendars are now generated correctly, bug repaired.

        2.9.9.5.8 (2025-09-09)

                * Calendars with hours correctly verify the available time periods, bug repaired.
                * JS and CSS file versions are now set correctly to ensure the latest files are loaded.
                * Security bug repaired.
                * The deprecated woocommerce_add_order_item_meta hook has been replaced with woocommerce_new_order_item for compatibility with the latest WooCommerce versions.
                * The iCal format has been updated to ensure compatibility with the latest standards.
                * The SMTP email notifications bug has been fixed.

        2.9.9.5.7 (2025-07-25)

                * Compatibility with certain WooCommerce plugins has been improved.
                * Security bug repaired.
                * The scroll/jump bug on mobile devices affecting some themes has been repaired.
                * The WooCommerce cart price is now displayed correctly, bug repaired.

        2.9.9.5.6 (2025-05-05)

                * PHP 7.4 compatibility checks and support functions have been implemented.

        2.9.9.5.5 (2025-04-14)

                * Compatibility with PHP 8.2 has been improved.

        2.9.9.5.4 (2025-03-24)

                * A small tweak was made to resolve iCal library incompatibility with other plugins or themes.
                * Frontend bug has been repaired.
                * Grouped days in the calendar display correctly on Safari for iPhone.
                * Security bug repaired.
                * The "Extras" price now displays correctly on Chrome for Android, bug repaired.

        2.9.9.5.3 (2025-02-21)

                * Cc and Bcc in booking notifications emails are set correctly, bug repaired.
		        * Polylang compatibility has been added.
                * Security bugs repaired.
                * Selected language displays correctly on a WooCommerce product page.

        2.9.9.5.2 (2024-11-04)

                * Security bugs repaired.

        2.9.9.5.1 (2024-09-06)

                * Security bug repaired.

        2.9.9.5.0 (2024-08-21)

                * A number of issues that can return 120 errors have been resolved.

        2.9.9.4.9 (2024-07-17)

                * Email HTML is displayed correctly, bug repaired.

        2.9.9.4.8 (2024-07-06)

                * Security bug repaired.

        2.9.9.4.7 (2024-05-25)

                * Security bug repaired.

        2.9.9.4.6 (2024-04-03)

                * Reservations' last hour is booked correctly, bug repaired.

        2.9.9.4.5 (2024-03-12)

                * Calendar auto-resize bug has been repaired.
                * Reservations with hours intervals book the right time period, bug repaired.
                * Tunisian Dinar currency has been added.

        2.9.9.4.4 (2024-02-19)

                * A number of issues that can return 120 errors have been resolved.
                * Availability verification has been update.

        2.9.9.4.3 (2023-11-29)

                * Calendars with hours intervals are verified correctly on server when a reservation is submitted, bug repaired.

        2.9.9.4.2 (2023-11-25)

                * The bug that prevents calendar editing area to open has been repaired.

        2.9.9.4.1 (2023-11-23)

                * Backend calendar display hours intervals correctly with default availability.
                * Prices for different extensions аre individually verified for calendars with multiple hours.
                * Security bug repaired.
                * Translation language is verified, bug repaired.

        2.9.9.4.0 (2023-09-06)

                * Deposits rules are verified correctly on server when a reservation is submitted, bug repaired.
                * Reservations from back end are verified correctly and saved, bug repaired.
                * Reservations made on hours in current day are verified correctly and saved, bug repaired.

        2.9.9.3.9 (2023-08-31)

                * Price with decimals are verified correctly on server when a reservation is submitted, bug repaired.

        2.9.9.3.8 (2023-08-26)

                * AirBnB synchronization bug has been repaired.

        2.9.9.3.7 (2023-08-07)

                * Coupons are verified correctly on server when a reservation is submitted, bug repaired.
                * Deposits are verified correctly on server when a reservation is submitted, bug repaired.

        2.9.9.3.6 (2023-08-03)

                * Fees are verified correctly on server when a reservation is submitted, bug repaired.

        2.9.9.3.5 (2023-07-27)

                * Security issue has been repaired.

        2.9.9.3.4 (2023-06-19)

                * WPML language change bug has been repaired.

        2.9.9.3.3 (2023-05-31)

                * Email verification filter has been improved.
                * iCal synchronization bug has been repaired.
                * Mandatory Extras always start selected.

        2.9.9.3.2 (2023-03-19)

                * Multiple compatibility bugs have been repaired.

        2.9.9.3.1 (2023-01-21)

                * Small bug has been repaired.

        2.9.9.3.0 (2023-01-17)

                * Availability data is filtered & saved correctly, bug repaired.

        2.9.9.2.9 (2023-01-16)

                * Security issue has been repaired.

        2.9.9.2.8 (2022-10-17)

                * CFA Franc currency has been added.
                * Coupon with fixed price is not multiplied by number of items.
                * Redsys payment bug has been repaired.

        2.9.9.2.7 (2022-10-07)

                * Availability indexes small bug has been repaired.
                * Mobile calendar "jump" bug has been repaired.

        2.9.9.2.6 (2022-06-15)

                * Contact & support info has been updated.
                * Filters for Google Calendar Event have been added (dopbsp_filter_google_calendar_event_data_dates, dopbsp_filter_google_calendar_event_data_time).
                * Small interface fixes.
                * The administrators can reply to the emails sent by customers.

        2.9.9.2.5 (2022-03-21)

                * The compatibility with WooCommerce AJAX cart has been repaired.
                * Compatibility with PHP 8.0 and 8.1 has been improved.

        2.9.9.2.4 (2021-12-08)

                * Reservations number per page can be increased to 250 or 500.
                * User permissions bug on PHP 8 has been repaired.
                * XLS generator has been updated using 3.0 engine.

        2.9.9.2.3 (2021-10-04)

                * Google synchronization for single hours has been repaired.
                * WooCommerce code has been verified known bugs have been repaired.

        2.9.9.2.2 (2021-07-29)

                * A bug when adding reservations as an administrator has been repaired.

        2.9.9.2.1 (2021-07-22)

                * Discount displays correctly when reservation value is 0.
                * iCal export does not include AirBnB reservations, to prevent overlap on synchronization.
                * Percent sign is displayed correctly in WooCommerce cart, bug repaired.
                * Privacy Policy checkbox and link have been added.
                * Reservations API has been repaired.
                * The notifications shortcodes |CALENDAR NAME|, |COUPON NAME|, |DISCOUNT NAME| & |LEFT TO PAY| have been added.

        2.9.9.2.0 (2021-04-20)

                * Google calendar synchronization small bug has been fixed.
                * iCal generator has been updated using 3.0 engine.

        2.9.9.1.9 (2021-04-12)

                * Small modifications to support Stripe new features have been added.

        2.9.9.1.8 (2021-03-09)

                * Calendar JSON data have been modified.
                * Clickatell 2Way option has been added.
                * New text is updated correctly.

        2.9.9.1.7 (2021-01-25)

                * Administration area icons on retina devices have been fixed.
                * Compatibility with PHP 8 has been improved.
                * Small bug with maximum number of available items that can be added to a reservation has been fixed.

        2.9.9.1.6 (2021-01-05)

                * Maximum number of available items that can be added to a reservation can be limited.
                * Missing argument when calling woocommerce_loop_add_to_cart_link hook has been added. Thanks to notjustcode.
                * The error that appears on initial synchronization with Google Calendar has been repaired.

        2.9.9.1.5 (2020-12-14)

                * Calendar and search templates can now be created outside the plugin, in folder wp-content/dopbsp-templates.
                * Check-out date verification has been updated to include some particular cases.
                * iCal format end date is calculated properly on all servers when hours are used, bug repaired.
                * Prices with decimals exported in xls format no longer convert in dates, bug repaired.

        2.9.9.1.4 (2020-11-18)

                * "Email templates" shortcodes for "Forms" items work with special characters.
                * "Email templates" shortcodes work in email subject.
                * The dates are displayed using the correct format for the shortcodes |CHECK_IN| and |CHECK_OUT| from "Email templates", bug repaired.

        2.9.9.1.3 (2020-11-10)

                * Price calculations to very particular cases have been repaired.

        2.9.9.1.2 (2020-11-02)

                * Small Google Calendar synchronization bug has been repaired.

        2.9.9.1.1 (2020-09-27)

                * Google Calendar synchronization via API has been added.

        2.9.9.1 (2020-09-02)

                * Auto select payment option bug has been repaired.
                * The bug for notifications sent with PHPMailer SMTP option has been repaired.

        2.9.9 (2020-08-13)

                * PHPMailer has been updated to be compatible with WordPress 5.5.
                * Some country codes used in the billing address have been updated.
                * The deposit will be displayed when you make the reservation with the total price value equal to 0, bug repaired.
                * Total reservation price is displayed when an Extra Item has a price but the calendar's reservation value is 0.

        2.9.8 (2020-03-31)

                * Moroccan Dirham currency has been added.
                * SMS templates can be changed in  in the Calendar Notification Settings.

        2.9.7 (2020-01-12)

                * Support for Redsys Payment Gateway has been added.

        2.9.6.1 (2020-01-15)

                * Small notifications shortcodes bug has been repaired.

        2.9.6 (2020-01-13)

                * Cyprus phone code has been updated.
                * The notifications shortcode for the custom dropdown field with multiple selection has been repaired.
                * Vanuatu Vatu currency has been added.

        2.9.5 (2019-12-03)

                * Australia phone code has been updated.
                * Compatibility with PHP 7.3 has been improved.
                * First time synchronization has been improved.
                * Small fix when back end calendar is loading.
                * Total price when it is 100% discounted will be displayed as 0 to the customer in the email notification.
 
        2.9.4 (2019-10-30)
                
                * "Extras" information for reservations are added to the Excel export.
                * An option to save your Google API Key has been added, so that the Google Map in "Locations" can load properly. 
                * Total price when it is 100% discounted will be displayed as 0 to the customer.
                * The SMS |DETAILS| tag data has been modified to fit in 3 SMSes (reservation ID, calendar name and selected language have been removed).
 
	2.9.3 (2019-09-16)
                
                * Support for Strong Customer Authentication (SCA) has been added.
        
        2.9.2 (2019-08-02)
 
		* Translations for Spanish, French and German languages have been added.

        2.9.1 (2019-07-01)
 
		* New translated words that contain single quotes (') are saved correctly, bug repaired.
		* The available status text will hide if the calendar day is too small for it to fit.

        2.9.0 (2019-05-14)
 
		* Reservations calendar-view no longer gets stuck when "Loading data", bug repaired. 
		* Reservations that contain single or double quote characters (', ") in the contact form can be edited, bug repaired.
		* Small change to countries phone prefix list.
		* Text no longer contains multiple forward slashes (\) before single and double quote characters (', "), bug repaired.
 
        2.8.9 (2019-04-11)
 
		* A booking request with the number of items bigger than one of the hours selected can not be created anymore, bug repaired.
		* A new field for email sender for admin notifications has been added. 
		* Extras price always multiplied by the number of booked of items when adding a reservation from back end, bug repaired.
 
        2.8.8 (2019-03-06)
 
                * Compatibility issue with WordPress 5.1 has been repaired.

        2.8.7 (2019-02-25)
                
                * "No services available" error does not appear after you view a calendar redirected from search and you successfully complete a reservation, bug repaired.
        
        2.8.6 (2019-01-31)

		* Changing the contact information for a reservation will correctly update the user email, bug repaired.
		* Some typos have been corrected.
		* The compatibility with other plugins that previously caused a fatal error on plugin activation has been repaired.
 
        2.8.5 (2018-12-14)

                * Decimal deposits (fixed and percentage) are correctly calculated and displayed, bug repaired.
                * Number of hours available (per day) now correctly includes "special" status, bug repaired.
                * Reservation calendar now lets you edit the status of a WooCommerce reservations, bug repaired.
        
        2.8.4 (2018-12-03)
                
                * Reservations export contains a column with the status of the reservation and the date you created the export file.
                * Reservations with status expired, pending and rejected can be exported, bug repaired.
                * The option to add your PINPOINT.WORLD referral ID and display a link with it under the calendar has been added.
     
        2.8.3 (2018-10-29)
                
                * "Book now" button does not appear after selecting hours from the sidebar in calendars without default availability, bug repaired.
                * Canceling a reservation with decimal pricing restores the correct price and availability for day/hour, bug repaired.
                * Clickatell SMS Platform account compatibility has been added.
                * First hour interval of the day without start/finish hours enabled on custom availability can be selected in front end and back end, bug repaired. 
                * SMS templates have been added.
  
        2.8.2 (2018-10-08)
 
                * Hour intervals are displayed correctly if you have "Use start/finish hours" disabled, bug repaired.
                * Minor CSS improvements for the front end calendar sidebar.
                * More than 2 emails can be saved for CC and BCC, bug repaired. 
                * Phone field has been added to forms.
                * The availability number in days that have grouped hours is displayed correctly, bug repaired.
  
        2.8.1 (2018-09-15)
                
                * A reservation with a booking stop rule can not be submitted if you leave the calendar page open for a few hours and try within the 'x minutes in advance' timeframe, bug repaired.
                * Default availability for hours now displays the correct number of hours and per day, bug repaired.
                * The current day will display the correct number of hours that are still available, including the case when you have a booking stop rule enabled, bug repaired.

        2.8.0 (2018-08-13)
  
                * Booking unavailable hours after changing the date from an available hour bug has been repaired.
                * Correct currencies for Kazakhstan Tenge and Namibia Dollar are now displayed, bug repaired.
                * Isolated case when you could not book more than 2 weeks on default availability has been repaired.
                 
        2.7.9 (2018-06-26)

                * Back end hours reservations on default availability can be created, bug repaired.
		* Documentation was updated.
		* Features page has been updated.
                * PHP 7.2 compatibilities have been fixed.
                * Some WooCommerce compatibilities have been fixed.
                * Templates will be recognized in a child theme, bug repaired.
 
        2.7.8 (2018-05-22)

                * Deleting a rule in use does not prevent you from booking, bug repaired.
                * Grouped hours can not be individually selected anymore, bug repaired.
		* Reservation UID for iCal synchronization is generated differently.
                * Selecting the timezone adds correct hours from Google Calendar reservations, bug repaired.
                * Small bug on Mozilla Firefox when trying to add a reservation without selecting a calendar has been repaired.
                * WooCommerce overlapping error message is not displayed after you make a reservation with a day with default availability, bug repaired.
 
        2.7.7 (2018-04-17)

                * Phone number country prefix is saved and displayed in reservations, bug repaired.
                * Small bug when adding a reservation from back end has been repaired.

        2.7.6 (2018-04-10)

                * Coupon check in date and start hour validation bug has been repaired.
                * Front end rules translation is now displayed, bug repaired.
                * The sidebar is displaying the number of booked items when the option to use start/end date was disabled and a rule for a minimum booked items number was set, bug repaired.
                * When the number of booked items is lower than the minimum number available set in the calendar settings, the number available will be booked instead of creating a reservation with 0 booked items, bug repaired.
   
        2.7.5 (2018-03-19)

		* All days are properly displayed in front end and back end calendar, bug repaired.
		* All reservations made with an IPv6 address are now saved correctly, bug repaired.
		* The IP addresses from booking requests are no longer saved in the database, because of incompatibilities with devices that have only IPv6 enabled.

        2.7.4 (2018-02-13)

		* HTML tags from email templates are saved correctly, bug repaired.
		* iCal links are saved correctly, bug repaired.
		* Overlapping intervals can't be added in the WooCommerce cart, bug repaired.
		* Settings database is updated correctly from version 2.6.3, bug repaired.

        2.7.3 (2018-01-31)

                * Default schedule is reset correctly, bug repaired.
		* Reservations are displayed when all calendars are selected, bug repaired.
		* Reservations for multiple consecutive days with different availability are now correctly updating the schedule, bug repaired.

        2.7.2 (2018-01-19)

		* Grouped days with "morning check out" option enabled can be booked, bug repaired.
		* Last hour available can be selected, bug repaired.
                * Loading time has been improved, bug repaired.

        2.7.1 (2018-01-15)

                * A sanitization function for all $_POST and $_GET variables has been added.
 
        2.7.0 (2018-01-14)

                * Security bugs repaired.

        2.6.9 (2018-01-13)

                * Security bugs repaired.
 
        2.6.8 (2017-12-18)

		* Front end calendar availability check works when users are logged out, bug repaired.

        2.6.7 (2017-12-16)

		* 1st step for new framework integration has been done.
		* Availability indexes has been changed 100%.
		* Availability is set by following priorities: rules, schedule, default schedule.
		* Booking requests are not possible anymore for unavailable hours, bug repaired.
		* Reservations after a booked period can be approved, bug repaired.
		* The .xls export for the reservations displays data in correct column, bug repaired.
		* The schedule is shown correctly according to the calendar rules, bug repaired.

        2.6.6 (2017-11-17)

		* Calendars in back end can be selected on touchpads, bug repaired.
		* Coupons do not show in calendar settings after they have been disabled, bug repaired.
		* Global variables are used correctly when the server has PHP 7.0 installed, bug repaired.
		* iCal file link is protected with the API key.
		* Synchronisation with systems that use iCal files, like Google Calendar & Airbnb, has been redone. Two way synchronization, days and hours can be used, reservations are saved to PBS, overlap is verified when a new reservation is added ...
		* WooCommerce reservations with morning checkout do not overlap in cart, bug repaired.

        2.6.5 (2017-10-11)
		
		* Filtering reservations by hours has been repaired.
		* Reservations can only be made for available days, bug repaired.

        2.6.4 (2017-09-28)
		
		* "Close" button has been removed from default availability form.
		* A reservation can not be requested for days with status "none", bug repaired.
		* Airbnb and Google Calendar synchronization bug for reservations with "cancelled"," pending" and "deleted" statuses has been repaired.
		* Coupons do not show in the front end calendar after being disabled, bug repaired.
		* One way synchronization, for the hours, from Google Calendars to Pinpoint Calendars, has been added.
		* The bug that prevents days in calendars to be displayed when the default availability has been saved wrong in the database has been repaired.

        2.6.3 (2017-09-13)
		
		* Front end and back end calendars display correctly if default availability has been saved wrong in the database, bug repaired.

        2.6.2 (2017-09-11)
		
		* Discounts are saved in back end, bug repaired.
		* Excel empty columns are now decalated to display the information in their place.
		* Google Fonts are now loaded using https.

        2.6.1 (2017-09-05)
		
		* Discount has been repaired for hours intervals with "Hours breaks" option enabled.

        2.6.0 (2017-08-12)
		
		* Availability default status has been set back to 'none'.
		* Availability number is displayed correctly, for days and hours, in calendars that have default availability set.
		* Bugs that appear when you add a reservation in back end have been repaired.
		* Coupons valid period bug has been repaired.
		* Hours availability can be set, bug repaired.
		* iCalendar synchronization bug with calendars that have morning check out option enabled has been repaired. 
		* Once you approve reservations in back end, the availability will not overlap, bug repaired.
		* Reset availability bug has been repaired.
		* Style templates can be overwritten from a WordPress theme if you add the CSS files in [theme-folder]/dopbsp-templates folder.

        2.5.9 (2017-07-20)
        
		* Default availability for hours bug has been repaired.

        2.5.8 (2017-07-18)
        
		* Default availability has been added.
		* WooCommerce language bug has been repaired.

        2.5.7 (2017-06-19)
        
		* iCal synchronization bug has been repaired.
		* The option to set minimum availability has been repaired.
		* Translation text for June and July months has been repaired.
		* WPML compatibility with chinese han language has been added.

        2.5.6 (2017-06-14)
        
		* iCal synchronization bug has been repaired.
		* The option to hide availability has been added.
		* The option to set minimum availability has been added.

        2.5.5 (2017-06-02)
        
		* Coupons are displayed when only extras have price.
		* Email notifications bug has been repaired.

        2.5.4 (2017-05-25)
        
		* IP address has been added to the exported data.
		* More shortcodes have been added in email and SMS notification.

        2.5.3 (2017-05-23)
        
		* Availability number for hours interval has been repaired.
		* Availability number for days has been repaired.
		* Front end language bug has been repaired.

        2.5.2 (2017-05-16)
        
		* Availability number for days with hours has been repaired.
		* WPML compatibility with norwegian language has been added.

        2.5.1 (2017-05-05)
        
		* Coupons validation bug has been repaired.
		* Front end calendar auto select bug has been repaired.
		* WooCommerce check out deposit bug has been repaired.
		* WooCommerce cart deposit bug has been repaired.

        2.5.0 (2017-04-24)

		* Google calendar hours synchronization bug has been repaired.
		* Multiple coupons validation bug has been repaired.
		* Terms and conditions bug has been repaired.
		* WPML compatibility with portuguese language has been added.
        
        2.4.9 (2017-04-07)

		* WooCommerce 3.0 compatibility has been added.
		* WooCommerce reservations notifications bug has been repaired.

        2.4.8 (2017-04-06)

		* Amount precision calculation bug has been repaired.
		* Billing address bug has been repaired.
		* Clickatell.com SMS notifications bug has been repaired.
		* Shipping address bug has been repaired.
		* The forms text bug has been repaired.

        2.4.7 (2017-03-25)
 
		* Google calendar synchronization with hours bug has been repaired.
		* WooCommerce cart text bug has been repaired.
		* WPML portuguese language compatibility has been added.

        2.4.6 (2017-03-13)
 
		* Clickatell.com SMS notifications are sent using Central API.
		* Hours definitions NULL bug has been repaired.
		* The schedule is displayed correctly for different characters, bug repaired.
		* Unselected coupons are not displayed in front end, bug repaired.
		* You can add an API key for Google maps.

        2.4.5 (2017-03-02)
        
		* Front end translation bug has been repaired.
		* WooCommerce shop page translation bug has been repaired.

        2.4.4 (2017-02-22)
        
		* A calendar is duplicated correctly, bug repaired.
		* Modifications to the code can be added in Pinpoint Booking System Extend plugin.
		* Reservations done from WooCommerce work correctly now, bug repaired.
		* Translation is loading for each section: back end, front end, WooCommerce front end, calendar, ...
		* WPML compatibility has been added.

        2.4.3 (2017-01-18)
        
		* "Pay full amount" message bug has been repaired.
		* Airbnb synchronization bug has been repaired.
		* Contact details from WooCommerce  are added in Pinpoint reservations.
		* Google calendar synchronization bug has been repaired.
		* Hour intervals can be created separate between them.
		* The compatibility with Redsys Woocommerce plugin has been added.

        2.4.2 (2016-12-20)
        
		* "Pay full amount" option for deposits is compatible with WooCommerce.
		* "Pay full amount" option for deposits can be enabled or disabled.
		* Export to ICS option for reservations has been added.
		* Front end coupon messages bug has been repaired.
		* Front end loader bug has been repaired.
		* Front end warning messages bug has been repaired.
		* Multiple coupons can be used in same calendar.
		* Synchronization with Airbnb has been added.
		* Synchronization with calendars that use iCalendar has been added.
		* The text in WooCommerce products list is displayed correctly, bug repaired.

        2.4.1 (2016-12-12)
        
		* "Pay full amount" option for deposits has been added.
		* Hide front end price option has been added.
		* Season css class for days has been added.  
		* Synchronization with Google Calendar has been added.
		* The bug when a coupon is not selected has been repaired.
		* The quote character bug from reservation contact informations has been repaired.
		* Time zone for calendars has been added.
        
        2.4.0 (2016-11-28)

		* "Taxes & Fees" are now compatible with Woocommerce.
		* Calendar availability is set correctly for future years, bug repaired.
		* Coupons bug in front end calendar has been repaired.
		* Datepicker don't interfere with mobile keyboards, bug repaired.
		* Deposit details are now available in WooCommerce order.
		* Locations autocomplete bug has been repaired.
		* You can now use server's time to display the date and hours in calendars.

        2.3.9 (2016-11-19)

		* "Add to cart" button can be translated, bug repaired.
		* "Add to cart" button is replaced with a loader when you add a reservation in WooCommerce.
		* Extras multiple checkboxes are selected correctly when the field is required, bug repaired.
		* IP address is saved in reservation data.
		* Past hours don't display for the current day, bug repaired.
		* Pending reservations bug has been repaired.
		* The calendar moves to hours section after what a day is selected.

        2.3.8 (2016-11-11)

		* Phone form field has been added.
		* SMS notifications have been added (clickatell.com). 
		* You can set default value to extras options.

        2.3.7 (2016-10-31)
 
		* Bugs in prototypes have been repaired.
		* Export to CSV option for reservations has been added.
		* Export to Excel option for reservations has been added.
		* Export to JSON option for reservations has been added.
		* Extras can multiply or not with number of booked items.
		* Extras required bug with woocommerces has been repaired.
		* The bug for multiple extras required functionality has been repaired.

        2.3.6 (2016-10-24)

		* Extras required functionality has been changed.
		* Selected hours show correctly in reservations.
		* The discount is calculated correctly when hours are selected, bug repaired.
		* The hours are displayed in calendar only view mode.

        2.3.5 (2016-10-21)

		* Contact informations in reservations bug has been repaired.   
		* Print reservations button has been added when you view them with the calendar.

        2.3.4 (2016-10-17)

		* Print the reservations has been added.

        2.3.3 (2016-10-13)

		* Edit for reservation contact informations has been added.
		* The bug for calendar template change has been repaired.

        2.3.2 (2016-10-11)

		* Bugs in editor shortcodes widget have been repaired.
		* The "view only info" option for calendars can be set from shortcode.

        2.3.1 (2016-09-29)

		* The compatibility with Woocommerce deposit has been added.
		* The tool to repair the calendars has been repaired.

        2.3.1 (2016-09-29)

		* The compatibility with Woocommerce deposit has been added.
		* The tool to repair the calendars has been repaired.

        2.3.0 (2016-08-10)

		* A Javascript callback function after what a booking has been made has been added for some payment systems.
		* Multiple use of payment systems bug has been repaired.

        2.2.9 (2016-07-26)

		* Small bug when updating Pinpoint Booking System has been repaired.

        2.2.8 (2016-07-21)

		* Omnipay library has been added.

        2.2.7 (2016-07-12)

		* The documentation link has been modified.
		* The update link has been modified.

        2.2.6 (2016-07-09)

		* The possibility to share your locations with PINPOINT.WORLD has been added.
 
        2.2.5 (2016-07-07)

		* External images have been removed.
		* Uninstall function has been repaired.

        2.2.4 (2016-05-04)

		* "Coupons" created by other users can be viewed and edited by the booking system's administrators.
		* "Discounts" created by other users can be viewed and edited by the booking system's administrators.
		* "Emails" created by other users can be viewed and edited by the booking system's administrators.
		* "Extras" created by other users can be viewed and edited by the booking system's administrators.
		* "Fees" created by other users can be viewed and edited by the booking system's administrators.
		* "Forms" created by other users can be viewed and edited by the booking system's administrators.
		* "Rules" created by other users can be viewed and edited by the booking system's administrators.
		* Licence activation detects server timeout requests.
		* Reservations that are expired can be sorted by date.

        2.2.3 (2016-04-21)
		
		* Discount text in calendar is displayed correctly, bug repaired.
		* PayPal integration has been updated to  to support certificates using SHA-25.
		* Reservations without check out are added on some servers that delete blank post variables. We recommend contacting your hosting company to remove this issue.
		* Translation is displayed correctly in widgets, bug repaired.

        2.2.2 (2016-04-16)
		
		* Reservations with hours are added on some servers that delete blank post variables. We recommend contacting your hosting company to remove this issue.
		* WooCommerce cart object is not being saved to cache when you create a reservation.

        2.2.1 (2016-04-12)
		
		* Hours' reservations don't overlap when you use the WooCommerce cart, bug repaired.
                * The incompatibility with Yoast SEO has been repaired.

        2.2.0 (2016-04-03)
		
                * Special characters are displayed correctly in infos and notes from the calendar, bug repaired.
 
        2.1.9 (2016-03-29)
		
                * "Add-ons" activation has been improved. You can delete an activation from https://pinpoint.world/user/licences/?utm_source=WordPress&utm_medium=plugin%20free if you have deleted the add-on and you have not deactivated it or if you want to activate it on another domain. Also the notification disappears after what the update is completed.
 
        2.1.8 (2016-03-17)
		
		* Database is no longer accidentally deleted when you update from FREE to PRO version.
		* Reservations are created and the period is booked when a deposit is made via WooCommerce, bug repaired.
		* Users that are not administrators can be permitted to use the booking system.
 
        2.1.7 (2016-02-23)
		
		* Email templates content is saved correctly for each language, bug repaired.    
		* Minimum booking period for hours is correctly validated, bug repaired.
		* The discount is calculated correctly for different rules with same time lapse, bug repaired.
		* The discount is calculated correctly for hour intervals, bug repaired.
		* Widget bug has been repaired. 
 
        2.1.6 (2016-02-21)
                
                * "Add coupon" function added. Create an unlimited number of coupons.
                * "Add discount" function added. Create an unlimited number of discount rules.
                * "Add email templates" function added. Create an unlimited number of email templates.
                * "Add extra" function added. Create an unlimited number of extras items.
                * "Add form" function added. Create an unlimited number of forms.
                * "Add rule" function added. Create an unlimited number of rules.
                * "Add tax or fee" function added. Create an unlimited number of taxes and/or fees.
		* Availability is set correctly and the reservation is saved after what a payment is made with PayPal, bug repaired.
		* Only administrators can manage the booking system.
                * The word "test" is no longer visible with WooCommerce, bug repaired.
                * Some updates have been done to the code to meet the PHP7 standards.
                * Validation for hours' availability has been improved.
 
        2.1.5 (2016-01-17)
                
                * Fatal error that appears when WooCommerce is not installed has been repaired.
 
        2.1.4 (2016-01-16)
                
                * Compatibility with some WooCommerce themes has been repaired.
                * The documentation link has changed.
                * The shop's SSL certificate will validate when the licence is activated, bug repaired.
 
        2.1.3 (2015-12-18)
                
                * "Beautify" theme has been added.
                * Reservations are added in WooCommerce cart if user is not logged in, bug repaired.
              
        2.1.2 (2015-12-07)
 
                * Add-ons' update class has been improved.
                * The coupon code is not visible in JavaScript anymore, bug repaired.
                * WooCommerce functionalities have been changed. You can more easily attach Pinpoint to an WooCommerce product, variations are not needed anymore, availability is restored when an order is canceled and much more. Integration is much easier with multi vendor plugins types.

        2.1.1 (2015-09-10)
                
                * "Booking System" has been renamed "Pinpoint".
                * API - List reservations added.
                * Calendar can be selected/removed in WooCommerce products, bug repaired.
                * Classes constructors have been modified to meet the PHP5 standards.
                * Reservations list pagination display the correct reservations, bug repaired.
                * Widgets constructor call has been modified to work in WordPress version 4.3.0 and higher.

        2.1 (2015-06-29)

                * "Add-ons" & "Themes" load data also via cURL.
                * API - Beta version released.
                * Reservations list pagination added.
                * PayPal small bug repaired.
                * Security bug repaired.
                * WooCommerce "Add to cart" text added in translation.

        2.0 (2015-03-28) 

                * "Add-ons" added. Increase and improve functionalities.
                * "Coupons" added. Create voucher codes for your clients to use with their booking requests.
                * "Dashboard" added. Display a landing page and server environment.
                * "Discounts" added. Give discounts for the period booked, in different time periods.
                * "Email templates" added. Customize your booking notifications directly from administration area.
                * "Extras" added. Add amenities, services & other stuff, with price or not, to a booking/reservation.
                * "Forms" added. Create your custom contact forms.
                * "Rules" added. Currently you can set min/max time lapse for a booking request.
                * "Settings" database has been updated.
                * "Taxes & fees" added. Set taxes & fees that need to be paid (VAT tax for example) with the booking.
                * "Themes" added. A collection of themes specially created for the booking system.
                * "Tools" added. Tools to help you with some of the booking system needs.
                * "Translation" page has been updated in WordPress admin.
                * ACAO buster added.
                * Add booking calendars in widgets.
                * Add bookins/reservations in WordPress admin.
                * Admin language is different for each user, in WordPress back end.
                * AJAX requests no longer return 403, 404 errors in front end.
                * All algorithms are improved and work faster. Install, save, search ...
                * All WordPress back end CSS classes are unique.
                * Approving/canceling a reservation modifies the booking calendar data.
                * Armenian dram currency added.
                * Back end UI/CSS has been changed. A new design has been created for WordPress administration area.
                * Bangladesh Taka currency added.
                * bbPress incompatibility, bug repaired.
                * Billing & shipping address added.
                * Booking calendar display even it is used twice on same page.
                * Booking calendar loading time is improved.
                * Booking calendar resize on hidden elements, bug repaired.
                * Booking notifications are sent in the language that was used when the reservation was created.
                * Booking notifications are sent without SMTP if SMTP does not work.
                * Booking notifications can be enabled/disabled in administration area.
                * Booking notifications can be sent to multiple admins.
                * Booking notifications can be sent using PHP mail function.
                * Booking notifications can be sent using WordPress wp_mail function.
                * Booking notifications can be set to use different methods to send emails to administrators and users.
                * Booking notifications can use two SMTP servers, one for administrators and one for users.
                * Booking notifications for administrators have Cc and Bcc fields, so that you can send them to multiple people.
                * Booking notifications message and language bugs have been repaired.
                * Booking notifications methods can be tested.
                * Bookings can be limited to minutes.
                * Bookings/reservations calendars jump to the last added/removed month.
                * Bookings/reservations logic has been completly modified (search added, filters added, calendar & list view added).
                * Calendar ID is removed from clients booking notification emails.
                * Compatibility with PHP 5.3 or higher has been repaired.
                * Complete code core changes. Everything is OOP & commented.
                * Config file added.
                * Correct hours format is displayed, in front end booking calendar.
                * Cyrillic characters are displayed correctly in calendars tooltip, bug repaired.
                * Currencies can be added using hooks.
                * Currency can be displayed with space when price is shown, both in booking calendars and WordPress back end.
                * Currency can be positioned before or after price, in booking calendar.
                * Data save/load speed & server memory usage has been optimized.
                * Database class has been updated.
                * Database indexes have been updated.
                * Database is deleted when you delete the booking system plugin.
                * Datepicker & Google translate incompatibility, bug repaired in booking calendar.
                * Datepicker bug fix, when you can select only one day, in booking calendar.
                * Date select is repaired when minimum amount of days is set.
                * Days availability is restored when you cancel a booking/reservation.
                * Delete booking/reservation added.
                * Deposit information is displayed correctly in email notifications.
                * Different levels of checking availability have been added in the booking process.
                * Discounts can be calculated including Extras price, in booking requests.
                * Display calendar id & name in notifications emails.
                * Display hours interval from current hour to next one.
                * Display only an information calendar in front end.
                * Displaying all translation initially in WordPress admin can be disabled in the configuration file.
                * Email header is custom.
                * Form data, that was entered when the a booking was requested, can be displayed in calendar information tooltip and/or day/hour body.
                * Front end booking calendar info messages hide after a few seconds.
                * Front end booking calendar is responsive.
                * Front end booking calendar speed has been improved.
                * Front end booking calendar's sidebar view is customizable.
                * Front end calendar can start at any day you want.
                * Front end fonts are loaded from Google using a secure connection (HTTPS).
                * Front end UI/CSS has been changed. A new design has been created for front end booking calendar and all classes and ids are unique.
                * Hooks added.
                * Hours info is displayed on day hover, in booking calendar.
                * IE bugs repaired.
                * Indonesia Rupiah currency bug repaired.
                * Information tooltip is displayed, bug repaired in front end booking calendar.
                * Installation algorithms have been optimized.
                * Installation on XAMP server repaired.
                * Kenya Shilling currency added.
                * Language in admin is verified and set to default, if different errors appear.
                * Language codes have been changed to international codes for: Albanian (al->sq), Basque (bs->eu), Belarusian (by->be), Chinese (cn->zh), Croatian (cr->hr), Czech (cz->cs), Danish (dk->da), Dutch (du->nl), Greek (gr->el), Haitian Creole(ha->ht), Irish (ir->ga), Malay (mg->ms), Maltese (ma->mt), Persian (pe->fa), Spanish (sp->es), Swedish (se->sv), Welsh (we->cy).
                * Languages can be added using hooks.
                * Languages can be enabled/disabled in WordPress back end.
                * Localhost bugs repaired.
                * Major changes in booking hours logic and display.
                * Major database changes. Column changes and more indexes created.
                * Minimum booking period error message does not display randomly when you select only check in date, in booking calendar.
                * Newly created booking forms display correct after PayPal Payment.
                * Notifications are not sent two times when you use a SMTP, bug repaired.
                * November & December months are displayed correctly in reservations, booking notifications ...
                * Payment API has been added.
                * PayPal API sandbox credentials have their own settings.
                * PayPal payment calculates prices with decimal correctly, bug repaired.
                * PayPal transaction may be refunded when a reservation is canceled.
                * PayPal works with both SSL and TLS, until SSL will be dropped.
                * Payment transaction ID is displayed in booking notification emails.
                * Pending reservations are displayed in back end if there is no payment required.
                * PHP function mysql_insert_id() has been replaced with $wpdb->insert_id, in WordPress back end.
                * PHPMailer class is used when sending booking notifications.
                * Plugin paths updated.
                * Plugin update has been optimized.
                * Possibility to hide number of items select field has been added, in booking calendar.
                * Possibility to select more than one group of days/hours in a booking/reservation has been added.
                * Price decimals ending in 0 display correctly in back end bookings/reservations and notifications, bug repaired.
                * Redirect after a booking has been made, has been added.
                * Redirect after a booking has been payed with PayPal, has been added.
                * Retina ready, both front end calendar & back end administration area.
                * Reservations calendar has been added/improved, in WordPress back end.
                * Reservations filters history is saved and is displayed when you revisit the page.
                * Select days from different months on front end booking calendar, bug repaired.
                * Select first day of the week, in booking calendar.
                * Set default database values before installation.
                * Set default language for back end and/or front end before installation.
                * Set the number of months to be initially displayed in the booking calendar.
                * Stop bookings in advance added.
                * Tables not created on Windows OS bug repaired.
                * Text on Settings page, in WordPress admin, has been changed.
                * The translation is displayed in alphabetical order, when you want to edit it, in WordPress admin.
                * TinyMCE button incompatibility with some themes has been repaired.
                * Touch devices freeze bug repaired.
                * Touch devices navigation has been enabled.
                * TLS connection can be used with SMTP.
                * Translation can repair itself.
                * Translation edit has been optimized.
                * Translation system has been updated.
                * Translation works with special characters, both in booking calendar and WordPress admin.
                * UAE Dirham currency added.
                * Unpaid reservations do not display in WordPress back end, bug repaired.
                * Updating and fixing the translation database has been improved.
                * Use prices lower than 1 in a booking request, added.
                * User meta is deleted when the plugin is deleted.
                * When a booking calendar is deleted the reservations area is removed.
                * When hours are enabled, days details can be set manually or set depending on hours details on that current day.
                * Windows server mySQL text fields bug repaired.
                * WooCommerce support has been added.
                * You can set booking requests to by approved instantly, or not.
                * You have the possibility to calculate the total price using the last hour selected value, or not.
	
	1.4 (2014-08-14)
	
                * Security issue repaired.

        1.3.1 (2014-05-11)
	
                * TinyMCE shortcodes bug repaired.

        1.3 (2014-05-06)
	
                * Security fixes.
                * 3.9 compatibilities repaired.
 
        1.2.1 (2012-12-01)
	
                * Calendar "is stuck" bug repaired.
  
        1.2 (2012-08-29)
	
                * Localhost bugs repaired.

        1.1 (2012-08-27)
	
                * Access-Control-Allow-Origin Buster bug repaired.
                * French Translation updated thanks to Asselin de Beauville Christophe - http://gegeek.net/
                * German Translation updated thanks to Dieter Pfenning - dieter.pfenning@winball.de
                * Polish Translation updated thanks to Kwasniewski Krzysztof - http://etechnologie.pl
                * Small fixes.

        1.0 (2012-07-28)
	
		* Initial release of Booking System (WordPress Plugin).
		
Installation: Upload the folder dopbsp from the zip file to "wp-content/plugins/" and activate the plugin in your admin panel or upload dopbsp.zip in the "Add new" section.
*/

// ini_set('error_reporting', version_compare(PHP_VERSION,5,'>=') && version_compare(PHP_VERSION,6,'<') ? E_ALL^E_STRICT^E_NOTICE^E_WARNING:E_ALL^E_NOTICE^E_WARNING);

/*
 * Constants
 */
define('DOPBSP_REPAIR_DATABASE_TEXT',
       isset($_POST['dopbsp_repair_database_text'])
               ? true
               : false);

DOPBSPErrorsHandler::start();

try{
    /*
     * Configuration file
     */
    include_once 'dopbsp-config.php';

    /*
     * Libraries
     */
    include_once 'libraries/php/dop-prototypes.php';
    include_once 'libraries/php/class.iCalReader.php';
    global $wp_version;
    if ($wp_version<'5.5'){
        include_once ABSPATH.WPINC.'/class-phpmailer.php';
        include_once ABSPATH.WPINC.'/class-smtp.php';
    }
    else{
        include_once ABSPATH.WPINC.'/PHPMailer/PHPMailer.php';
        include_once ABSPATH.WPINC.'/PHPMailer/SMTP.php';
        include_once ABSPATH.WPINC.'/PHPMailer/Exception.php';
    }

    /*
     * Views
     */
    include_once 'views/views.php';

    include_once 'views/views-backend.php';
    include_once 'views/views-frontend.php';

    include_once 'views/calendars/views-backend-calendars.php';

    include_once 'views/coupons/views-backend-coupons.php';
    include_once 'views/coupons/views-backend-coupon.php';

    include_once 'views/dashboard/views-backend-dashboard.php';
    include_once 'views/dashboard/views-backend-dashboard-api.php';
    include_once 'views/dashboard/views-backend-dashboard-server.php';
    include_once 'views/dashboard/views-backend-dashboard-start.php';

    include_once 'views/discounts/views-backend-discounts.php';
    include_once 'views/discounts/views-backend-discount.php';
    include_once 'views/discounts/views-backend-discount-items.php';
    include_once 'views/discounts/views-backend-discount-item.php';
    include_once 'views/discounts/views-backend-discount-item-rule.php';

    include_once 'views/emails/views-backend-emails.php';
    include_once 'views/emails/views-backend-email.php';

    include_once 'views/extras/views-backend-extras.php';
    include_once 'views/extras/views-backend-extra.php';
    include_once 'views/extras/views-backend-extra-groups.php';
    include_once 'views/extras/views-backend-extra-group.php';
    include_once 'views/extras/views-backend-extra-group-item.php';

    include_once 'views/fees/views-backend-fees.php';
    include_once 'views/fees/views-backend-fee.php';

    include_once 'views/forms/views-backend-forms.php';
    include_once 'views/forms/views-backend-form.php';
    include_once 'views/forms/views-backend-form-fields.php';
    include_once 'views/forms/views-backend-form-field.php';
    include_once 'views/forms/views-backend-form-field-select-option.php';

    include_once 'views/languages/views-backend-languages.php';

    include_once 'views/locations/views-backend-locations.php';
    include_once 'views/locations/views-backend-location.php';

    include_once 'views/pro/views-backend-pro.php';
    include_once 'views/pro/views-backend-pro-features.php';

    include_once 'views/reservations/views-backend-reservations.php';
    include_once 'views/reservations/views-backend-reservations-list.php';
    include_once 'views/reservations/views-backend-reservation.php';
    include_once 'views/reservations/views-backend-reservation-address.php';
    include_once 'views/reservations/views-backend-reservation-coupon.php';
    include_once 'views/reservations/views-backend-reservation-details.php';
    include_once 'views/reservations/views-backend-reservation-discount.php';
    include_once 'views/reservations/views-backend-reservation-extras.php';
    include_once 'views/reservations/views-backend-reservation-fees.php';
    include_once 'views/reservations/views-backend-reservation-form.php';

    include_once 'views/rules/views-backend-rules.php';
    include_once 'views/rules/views-backend-rule.php';

    include_once 'views/settings/views-backend-settings.php';
    include_once 'views/settings/views-backend-settings-calendar.php';
    include_once 'views/settings/views-backend-settings-general.php';
    include_once 'views/settings/views-backend-settings-licences.php';
    include_once 'views/settings/views-backend-settings-notifications.php';
    include_once 'views/settings/views-backend-settings-payment-gateways.php';
    include_once 'views/settings/views-backend-settings-users.php';

    include_once 'views/smses/views-backend-smses.php';
    include_once 'views/smses/views-backend-sms.php';

    include_once 'views/tools/views-backend-tools.php';
    include_once 'views/tools/views-backend-tools-repair-calendars-settings.php';

    include_once 'views/translation/views-backend-translation.php';

    /*
     * Classes
     */
    include_once 'includes/class-backend.php';
    include_once 'includes/class-frontend.php';

    include_once 'includes/api/class-backend-api-key.php';
    include_once 'includes/api/class-frontend-api.php';

    include_once 'includes/calendars/class-backend-calendars.php';
    include_once 'includes/calendars/class-backend-calendar.php';
    include_once 'includes/calendars/class-backend-calendar-availability.php';
    include_once 'includes/calendars/class-backend-calendar-schedule.php';
    include_once 'includes/calendars/class-frontend-calendar.php';
    include_once 'includes/calendars/class-frontend-calendar-sidebar.php';

    include_once 'includes/class-countries.php';

    include_once 'includes/coupons/class-backend-coupons.php';
    include_once 'includes/coupons/class-backend-coupon.php';
    include_once 'includes/coupons/class-frontend-coupons.php';

    include_once 'includes/class-currencies.php';

    include_once 'includes/dashboard/class-backend-dashboard.php';

    include_once 'includes/class-database.php';

    include_once 'includes/discounts/class-backend-discounts.php';
    include_once 'includes/discounts/class-backend-discount.php';
    include_once 'includes/discounts/class-backend-discount-items.php';
    include_once 'includes/discounts/class-backend-discount-item.php';
    include_once 'includes/discounts/class-backend-discount-item-rules.php';
    include_once 'includes/discounts/class-backend-discount-item-rule.php';
    include_once 'includes/discounts/class-frontend-discounts.php';

    include_once 'includes/emails/class-backend-emails.php';
    include_once 'includes/emails/class-backend-email.php';

    include_once 'includes/smses/class-backend-smses.php';
    include_once 'includes/smses/class-backend-sms.php';

    include_once 'includes/extras/class-backend-extras.php';
    include_once 'includes/extras/class-backend-extra.php';
    include_once 'includes/extras/class-backend-extra-groups.php';
    include_once 'includes/extras/class-backend-extra-group.php';
    include_once 'includes/extras/class-backend-extra-group-items.php';
    include_once 'includes/extras/class-backend-extra-group-item.php';
    include_once 'includes/extras/class-frontend-extras.php';

    include_once 'includes/fees/class-backend-fees.php';
    include_once 'includes/fees/class-backend-fee.php';
    include_once 'includes/fees/class-frontend-fees.php';

    include_once 'includes/forms/class-backend-forms.php';
    include_once 'includes/forms/class-backend-form.php';
    include_once 'includes/forms/class-backend-form-fields.php';
    include_once 'includes/forms/class-backend-form-field.php';
    include_once 'includes/forms/class-backend-form-field-select-options.php';
    include_once 'includes/forms/class-backend-form-field-select-option.php';
    include_once 'includes/forms/class-frontend-forms.php';

    include_once 'includes/languages/class-languages.php';
    include_once 'includes/languages/class-backend-languages.php';
    include_once 'includes/languages/class-backend-language.php';

    include_once 'includes/locations/class-backend-locations.php';
    include_once 'includes/locations/class-backend-location.php';

    include_once 'includes/class-notifications.php';

    include_once 'includes/order/class-frontend-order.php';

    include_once 'includes/class-payment-gateways.php';

    include_once 'includes/class-price.php';

    include_once 'includes/pro/class-backend-pro.php';

    include_once 'includes/reservations/class-backend-reservations.php';
    include_once 'includes/reservations/class-backend-reservations-add.php';
    include_once 'includes/reservations/class-backend-reservations-calendar.php';
    include_once 'includes/reservations/class-backend-reservations-list.php';
    include_once 'includes/reservations/class-backend-reservation.php';
    include_once 'includes/reservations/class-backend-reservation-form.php';
    include_once 'includes/reservations/class-backend-reservation-notifications.php';
    include_once 'includes/reservations/class-frontend-reservations.php';

    include_once 'includes/rules/class-backend-rules.php';
    include_once 'includes/rules/class-backend-rule.php';
    include_once 'includes/rules/class-frontend-rules.php';

    include_once 'includes/search/class-frontend-search.php';

    include_once 'includes/settings/class-backend-settings.php';
    include_once 'includes/settings/class-backend-settings-calendar.php';
    include_once 'includes/settings/class-backend-settings-general.php';
    include_once 'includes/settings/class-backend-settings-licences.php';
    include_once 'includes/settings/class-backend-settings-notifications.php';
    include_once 'includes/settings/class-backend-settings-payment-gateways.php';
    include_once 'includes/settings/class-backend-settings-users.php';

    include_once 'includes/shortcodes/class-backend-shortcodes.php';

    include_once 'includes/tools/class-backend-tools.php';
    include_once 'includes/tools/class-backend-tools-repair-calendars-settings.php';
    include_once 'includes/tools/class-backend-tools-repair-database-text.php';

    include_once 'includes/translation/class-translation-text-calendars.php';
    include_once 'includes/translation/class-translation-text-cart.php';
    include_once 'includes/translation/class-translation-text-coupons.php';
    include_once 'includes/translation/class-translation-text-dashboard.php';
    include_once 'includes/translation/class-translation-text-discounts.php';
    include_once 'includes/translation/class-translation-text-emails.php';
    include_once 'includes/translation/class-translation-text-extras.php';
    include_once 'includes/translation/class-translation-text-forms.php';
    include_once 'includes/translation/class-translation-text-fees.php';
    include_once 'includes/translation/class-translation-text-general.php';
    include_once 'includes/translation/class-translation-text-languages.php';
    include_once 'includes/translation/class-translation-text-locations.php';
    include_once 'includes/translation/class-translation-text-order.php';
    include_once 'includes/translation/class-translation-text-pro.php';
    include_once 'includes/translation/class-translation-text-reservations.php';
    include_once 'includes/translation/class-translation-text-rules.php';
    include_once 'includes/translation/class-translation-text-search.php';
    include_once 'includes/translation/class-translation-text-settings.php';
    include_once 'includes/translation/class-translation-text-smses.php';
    include_once 'includes/translation/class-translation-text-tools.php';
    include_once 'includes/translation/class-translation-text-translation.php';
    include_once 'includes/translation/class-translation-text-widgets.php';
    include_once 'includes/translation/class-translation.php';
    include_once 'includes/translation/class-backend-translation.php';

//    include_once 'includes/class-widget.php';

    /*
     * Addons
     */
    include_once 'addons/paypal/dopbsp-paypal.php';
    include_once 'addons/clickatell/dopbsp-clickatell.php';

    /*
     * Include configuration.
     */
    include_once 'framework/config/config.php';

    /*
     * Include main class.
     */
    include_once 'framework/dot.php';

    in_array('woocommerce/woocommerce.php',
             get_option('active_plugins')) || DOPBSP_CONFIG_WOOCOMMERCE_ENABLE_CODE
            ? include_once 'addons/woocommerce/dopbsp-woocommerce.php'
            : '';
}
catch(Exception $ex){
    add_action('admin_notices',
               'dopbspMissingFiles');
}

DOPBSPErrorsHandler::finish();

/*
 * Global classes.
 */
global $DOPBSP;
global $DOT;

/*
 * Initialize API.
 */
if (class_exists('DOT')){
    $DOT = new DOT();
    $DOT->init();
}

/*
 * Booking System main PHP class.
 */
if (!class_exists('DOPBSP')){
    class DOPBSP{
        /*
         * Public variables.
         */
        public $classes;
        public $paths;
        public $tables;
        public $vars;
        public $views;

        /*
         * Constructor
         */
        function __construct(){
            global $DOT;

            $this->classes = new stdClass;
            $this->paths = new stdClass;
            $this->tables = new stdClass;
            $this->vars = new stdClass;
            $this->views = new stdClass;

            $this->definePaths();
            $this->defineTables();

            /*
             * Initialize plugin classes.
             */
            $this->initClasses();

            if (is_admin()
                    && !$DOT->post('dopbsp_frontend_ajax_request')){
                add_action('admin_menu',
                           array(&$this,
                                 'initBackEnd'));
                add_action('init',
                           array(&$this,
                                 'initBackEndAJAX'));
                // $this->initBackEndAJAX();
            }
            else{
                $this->initFrontEndAJAX();
            }

            /*
             * Initialize plugin's widget.
             */
            if (class_exists('DOPBSPWidget')){
                function dopbsp_register_widgets(){
                    register_widget("DOPBSPWidget");
                }

                add_action('widgets_init',
                           'dopbsp_register_widgets');
            }
        }

        /*
         * Defines plugin's paths constants.
         */
        function definePaths(){
            /*
             * Plugin URL.
             */
            $this->paths->url = plugin_dir_url(__FILE__);

            /*
             * Absolute path.
             */
            $this->paths->abs = str_replace('\\',
                                            '/',
                                            plugin_dir_path(__FILE__));
        }

        /*
         * Defines plugin's tables constants.
         */
        function defineTables(){
            global $wpdb;

            /*
             * Old Calendars table.
             */
            $this->tables->old_calendars = $wpdb->prefix.'dopbs_calendars';

            /*
             * Old Days table.
             */
            $this->tables->old_days = $wpdb->prefix.'dopbs_days';

            /*
             * Old Forms table.
             */
            $this->tables->old_forms = $wpdb->prefix.'dopbs_forms';

            /*
             * Old Forms Fields table.
             */
            $this->tables->old_forms_fields = $wpdb->prefix.'dopbs_forms_fields';

            /*
             * Old Forms Fields options table.
             */
            $this->tables->old_forms_fields_options = $wpdb->prefix.'dopbs_forms_select_options';

            /*
             * Old Reservations table.
             */
            $this->tables->old_reservations = $wpdb->prefix.'dopbs_reservations';

            /*
             * Old Settings table.
             */
            $this->tables->old_settings = $wpdb->prefix.'dopbs_settings';

            /*
             * API keys table.
             */
            $this->tables->api_keys = $wpdb->prefix.'dopbsp_api_keys';

            /*
             * Availability tables.
             */
            $this->tables->availability = $wpdb->prefix.'dopbsp_availability';
            $this->tables->availability_no = $wpdb->prefix.'dopbsp_availability_no';
            $this->tables->availability_price = $wpdb->prefix.'dopbsp_availability_price';

            /*
             * Calendars table.
             */
            $this->tables->calendars = $wpdb->prefix.'dopbsp_calendars';

            /*
             * Counpons tables.
             */
            $this->tables->coupons = $wpdb->prefix.'dopbsp_coupons';

            /*
             * Days table.
             */
            $this->tables->days = $wpdb->prefix.'dopbsp_days';

            /*
             * Discounts tables.
             */
            $this->tables->discounts = $wpdb->prefix.'dopbsp_discounts';
            $this->tables->discounts_items = $wpdb->prefix.'dopbsp_discounts_items';
            $this->tables->discounts_items_rules = $wpdb->prefix.'dopbsp_discounts_items_rules';

            /*
             * Emails tables.
             */
            $this->tables->emails = $wpdb->prefix.'dopbsp_emails';
            $this->tables->emails_translation = $wpdb->prefix.'dopbsp_emails_translation';

            /*
             * Extras tables.
             */
            $this->tables->extras = $wpdb->prefix.'dopbsp_extras';
            $this->tables->extras_groups = $wpdb->prefix.'dopbsp_extras_groups';
            $this->tables->extras_groups_items = $wpdb->prefix.'dopbsp_extras_groups_items';

            /*
             * Fees tables.
             */
            $this->tables->fees = $wpdb->prefix.'dopbsp_fees';

            /*
             * Forms tables.
             */
            $this->tables->forms = $wpdb->prefix.'dopbsp_forms';
            $this->tables->forms_fields = $wpdb->prefix.'dopbsp_forms_fields';
            $this->tables->forms_fields_options = $wpdb->prefix.'dopbsp_forms_select_options';

            /*
             * Languages tables.
             */
            $this->tables->languages = $wpdb->prefix.'dopbsp_languages';

            /*
             * Locations tables.
             */
            $this->tables->locations = $wpdb->prefix.'dopbsp_locations';

            /*
             * Reservations table.
             */
            $this->tables->reservations = $wpdb->prefix.'dopbsp_reservations';

            /*
             * Rules tables.
             */
            $this->tables->rules = $wpdb->prefix.'dopbsp_rules';

            /*
             * Search table.
             */
            $this->tables->searches = $wpdb->prefix.'dopbsp_searches';

            /*
             * Settings table.
             */
            $this->tables->settings = $wpdb->prefix.'dopbsp_settings';
            $this->tables->settings_calendar = $wpdb->prefix.'dopbsp_settings_calendar';
            $this->tables->settings_notifications = $wpdb->prefix.'dopbsp_settings_notifications';
            $this->tables->settings_payment = $wpdb->prefix.'dopbsp_settings_payment';
            $this->tables->settings_search = $wpdb->prefix.'dopbsp_settings_search';

            /*
             * SMSes tables.
             */
            $this->tables->smses = $wpdb->prefix.'dopbsp_smses';
            $this->tables->smses_translation = $wpdb->prefix.'dopbsp_smses_translation';
            /*
             * Translation tables.
             */
            $this->tables->translation = $wpdb->prefix.'dopbsp_translation';
        }

        /*
         * Initialize PHP classes.
         */
        function initClasses(){
            /*
             * Initialize views class. This class is the 1st initialized.
             */
            $this->views = class_exists('DOPBSPViews')
                    ? new DOPBSPViews()
                    : 'Class does not exist!';

            /*
             *  Initialize DOP prototypes class. This class is the 2nd initialized.
             */
            $this->classes->prototypes = class_exists('DOPPrototypes')
                    ? new DOPPrototypes()
                    : 'Class does not exist!';

            /*
             * Initialize database class. This class is the 3rd initialized.
             */
            $this->classes->database = class_exists('DOPBSPDatabase')
                    ? new DOPBSPDatabase()
                    : 'Class does not exist!';

            /*
             * Initialize languages class. This class is the 4th initialized.
             */
            $this->classes->languages = class_exists('DOPBSPLanguages')
                    ? new DOPBSPLanguages()
                    : 'Class does not exist!';

            /*
             * Initialize countries class. This class is the 5th initialized.
             */
            $this->classes->countries = class_exists('DOPBSPCountries')
                    ? new DOPBSPCountries()
                    : 'Class does not exist!';

            /*
             * Initialize translation classes. This class is the 6th initialized in alphabetical order, but main class will last.
             */
            class_exists('DOPBSPTranslationTextAddons')
                    ? new DOPBSPTranslationTextAddons()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextCalendars')
                    ? new DOPBSPTranslationTextCalendars()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextCart')
                    ? new DOPBSPTranslationTextCart()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextCoupons')
                    ? new DOPBSPTranslationTextCoupons()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextDashboard')
                    ? new DOPBSPTranslationTextDashboard()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextDiscounts')
                    ? new DOPBSPTranslationTextDiscounts()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextEmails')
                    ? new DOPBSPTranslationTextEmails()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextExtras')
                    ? new DOPBSPTranslationTextExtras()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextFees')
                    ? new DOPBSPTranslationTextFees()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextForms')
                    ? new DOPBSPTranslationTextForms()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextGeneral')
                    ? new DOPBSPTranslationTextGeneral()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextLanguages')
                    ? new DOPBSPTranslationTextLanguages()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextLocations')
                    ? new DOPBSPTranslationTextLocations()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextModels')
                    ? new DOPBSPTranslationTextModels()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextPro')
                    ? new DOPBSPTranslationTextPro()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextOrder')
                    ? new DOPBSPTranslationTextOrder()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextReservations')
                    ? new DOPBSPTranslationTextReservations()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextRules')
                    ? new DOPBSPTranslationTextRules()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextSearch')
                    ? new DOPBSPTranslationTextSearch()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextSettings')
                    ? new DOPBSPTranslationTextSettings()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextSmses')
                    ? new DOPBSPTranslationTextSmses()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextTemplates')
                    ? new DOPBSPTranslationTextTemplates()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextTools')
                    ? new DOPBSPTranslationTextTools()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextTranslation')
                    ? new DOPBSPTranslationTextTranslation()
                    : 'Class does not exist!';
            class_exists('DOPBSPTranslationTextWidgets')
                    ? new DOPBSPTranslationTextWidgets()
                    : 'Class does not exist!';

            $this->classes->translation = class_exists('DOPBSPTranslation')
                    ? new DOPBSPTranslation()
                    : 'Class does not exist!';

            /*
             * Initialize currencies class. This class is the 7th initialized.
             */
            $this->classes->currencies = class_exists('DOPBSPCurrencies')
                    ? new DOPBSPCurrencies()
                    : 'Class does not exist!';

            /*
             * Initialize notifications class. This class is the 8th initialized.
             */
            $this->classes->notifications = class_exists('DOPBSPNotifications')
                    ? new DOPBSPNotifications()
                    : 'Class does not exist!';

            /*
             * Initialize back end class. This class is the 9th initialized.
             */
            $this->classes->backend = class_exists('DOPBSPBackEnd')
                    ? new DOPBSPBackEnd()
                    : 'Class does not exist!';

            /*
             * Initialize front end class. This class is the 10th initialized.
             */
            $this->classes->frontend = class_exists('DOPBSPFrontEnd')
                    ? new DOPBSPFrontEnd()
                    : 'Class does not exist!';

            /*
             * ************************************************************* The rest of the classes are initialized in alphabetical order.
             */

            /*
             * Initialize addons classes.
             */
            $this->classes->backend_addons = class_exists('DOPBSPBackEndAddons')
                    ? new DOPBSPBackEndAddons()
                    : 'Class does not exist!';

            /*
             * Initialize API classes.
             */
            $this->classes->backend_api_key = class_exists('DOPBSPBackEndAPIKey')
                    ? new DOPBSPBackEndAPIKey()
                    : 'Class does not exist!';
            $this->classes->frontend_api_key = class_exists('DOPBSPFrontEndAPI')
                    ? new DOPBSPFrontEndAPI()
                    : 'Class does not exist!';

            /*
             * Initialize calendars classes.
             */
            $this->classes->backend_calendars = class_exists('DOPBSPBackEndCalendars')
                    ? new DOPBSPBackEndCalendars()
                    : 'Class does not exist!';
            $this->classes->backend_calendar = class_exists('DOPBSPBackEndCalendar')
                    ? new DOPBSPBackEndCalendar()
                    : 'Class does not exist!';
            $this->classes->backend_calendar_availability = class_exists('DOPBSPBackEndCalendarAvailability')
                    ? new DOPBSPBackEndCalendarAvailability()
                    : 'Class does not exist!';
            $this->classes->backend_calendar_schedule = class_exists('DOPBSPBackEndCalendarSchedule')
                    ? new DOPBSPBackEndCalendarSchedule()
                    : 'Class does not exist!';
            $this->classes->frontend_calendar = class_exists('DOPBSPFrontEndCalendar')
                    ? new DOPBSPFrontEndCalendar()
                    : 'Class does not exist!';
            $this->classes->frontend_calendar_sidebar = class_exists('DOPBSPFrontEndCalendarSidebar')
                    ? new DOPBSPFrontEndCalendarSidebar()
                    : 'Class does not exist!';

            /*
             * Initialize coupons classes.
             */
            $this->classes->backend_coupons = class_exists('DOPBSPBackEndCoupons')
                    ? new DOPBSPBackEndCoupons()
                    : 'Class does not exist!';
            $this->classes->backend_coupon = class_exists('DOPBSPBackEndCoupon')
                    ? new DOPBSPBackEndCoupon()
                    : 'Class does not exist!';
            $this->classes->frontend_coupons = class_exists('DOPBSPFrontEndCoupons')
                    ? new DOPBSPFrontEndCoupons()
                    : 'Class does not exist!';

            /*
             * Initialize dashboard classes.
             */
            $this->classes->backend_dashboard = class_exists('DOPBSPBackEndDashboard')
                    ? new DOPBSPBackEndDashboard()
                    : 'Class does not exist!';

            /*
             * Initialize discounts classes.
             */
            $this->classes->backend_discounts = class_exists('DOPBSPBackEndDiscounts')
                    ? new DOPBSPBackEndDiscounts()
                    : 'Class does not exist!';
            $this->classes->backend_discount = class_exists('DOPBSPBackEndDiscount')
                    ? new DOPBSPBackEndDiscount()
                    : 'Class does not exist!';
            $this->classes->backend_discount_items = class_exists('DOPBSPBackEndDiscountItems')
                    ? new DOPBSPBackEndDiscountItems()
                    : 'Class does not exist!';
            $this->classes->backend_discount_item = class_exists('DOPBSPBackEndDiscountItem')
                    ? new DOPBSPBackEndDiscountItem()
                    : 'Class does not exist!';
            $this->classes->backend_discount_item_rules = class_exists('DOPBSPBackEndDiscountItemRules')
                    ? new DOPBSPBackEndDiscountItemRules()
                    : 'Class does not exist!';
            $this->classes->backend_discount_item_rule = class_exists('DOPBSPBackEndDiscountItemRule')
                    ? new DOPBSPBackEndDiscountItemRule()
                    : 'Class does not exist!';
            $this->classes->frontend_discounts = class_exists('DOPBSPFrontEndDiscounts')
                    ? new DOPBSPFrontEndDiscounts()
                    : 'Class does not exist!';

            /*
             * Initialize emails classes.
             */
            $this->classes->backend_emails = class_exists('DOPBSPBackEndEmails')
                    ? new DOPBSPBackEndEmails()
                    : 'Class does not exist!';
            $this->classes->backend_email = class_exists('DOPBSPBackEndEmail')
                    ? new DOPBSPBackEndEmail()
                    : 'Class does not exist!';

            /*
             * Initialize extras classes.
             */
            $this->classes->backend_extras = class_exists('DOPBSPBackEndExtras')
                    ? new DOPBSPBackEndExtras()
                    : 'Class does not exist!';
            $this->classes->backend_extra = class_exists('DOPBSPBackEndExtra')
                    ? new DOPBSPBackEndExtra()
                    : 'Class does not exist!';
            $this->classes->backend_extra_groups = class_exists('DOPBSPBackEndExtraGroups')
                    ? new DOPBSPBackEndExtraGroups()
                    : 'Class does not exist!';
            $this->classes->backend_extra_group = class_exists('DOPBSPBackEndExtraGroup')
                    ? new DOPBSPBackEndExtraGroup()
                    : 'Class does not exist!';
            $this->classes->backend_extra_group_items = class_exists('DOPBSPBackEndExtraGroupItems')
                    ? new DOPBSPBackEndExtraGroupItems()
                    : 'Class does not exist!';
            $this->classes->backend_extra_group_item = class_exists('DOPBSPBackEndExtraGroupItem')
                    ? new DOPBSPBackEndExtraGroupItem()
                    : 'Class does not exist!';
            $this->classes->frontend_extras = class_exists('DOPBSPFrontEndExtras')
                    ? new DOPBSPFrontEndExtras()
                    : 'Class does not exist!';

            /*
             * Initialize fees classes.
             */
            $this->classes->backend_fees = class_exists('DOPBSPBackEndFees')
                    ? new DOPBSPBackEndFees()
                    : 'Class does not exist!';
            $this->classes->backend_fee = class_exists('DOPBSPBackEndFee')
                    ? new DOPBSPBackEndFee()
                    : 'Class does not exist!';
            $this->classes->frontend_fees = class_exists('DOPBSPFrontEndFees')
                    ? new DOPBSPFrontEndFees()
                    : 'Class does not exist!';

            /*
             * Initialize forms classes.
             */
            $this->classes->backend_forms = class_exists('DOPBSPBackEndForms')
                    ? new DOPBSPBackEndForms()
                    : 'Class does not exist!';
            $this->classes->backend_form = class_exists('DOPBSPBackEndForm')
                    ? new DOPBSPBackEndForm()
                    : 'Class does not exist!';
            $this->classes->backend_form_fields = class_exists('DOPBSPBackEndFormFields')
                    ? new DOPBSPBackEndFormFields()
                    : 'Class does not exist!';
            $this->classes->backend_form_field = class_exists('DOPBSPBackEndFormField')
                    ? new DOPBSPBackEndFormField()
                    : 'Class does not exist!';
            $this->classes->backend_form_field_select_options = class_exists('DOPBSPBackEndFormFieldSelectOptions')
                    ? new DOPBSPBackEndFormFieldSelectOptions()
                    : 'Class does not exist!';
            $this->classes->backend_form_field_select_option = class_exists('DOPBSPBackEndFormFieldSelectOption')
                    ? new DOPBSPBackEndFormFieldSelectOption()
                    : 'Class does not exist!';
            $this->classes->frontend_forms = class_exists('DOPBSPFrontEndForms')
                    ? new DOPBSPFrontEndForms()
                    : 'Class does not exist!';

            /*
             * Initialize languages classes, except main class.
             */
            $this->classes->backend_languages = class_exists('DOPBSPBackEndLanguages')
                    ? new DOPBSPBackEndLanguages()
                    : 'Class does not exist!';
            $this->classes->backend_language = class_exists('DOPBSPBackEndLanguage')
                    ? new DOPBSPBackEndLanguage()
                    : 'Class does not exist!';

            /*
             * Initialize locations classes.
             */
            $this->classes->backend_locations = class_exists('DOPBSPBackEndLocations')
                    ? new DOPBSPBackEndLocations()
                    : 'Class does not exist!';
            $this->classes->backend_location = class_exists('DOPBSPBackEndLocation')
                    ? new DOPBSPBackEndLocation()
                    : 'Class does not exist!';

            /*
             * Initialize order classes.
             */
            $this->classes->frontend_order = class_exists('DOPBSPFrontEndOrder')
                    ? new DOPBSPFrontEndOrder()
                    : 'Class does not exist!';

            /*
             * Initialize payment gateways.
             */
            $this->classes->payment_gateways = class_exists('DOPBSPPaymentGateways')
                    ? new DOPBSPPaymentGateways()
                    : 'Class does not exist!';

            /*
             * Initialize price classes.
             */
            $this->classes->price = class_exists('DOPBSPPrice')
                    ? new DOPBSPPrice()
                    : 'Class does not exist!';

            /*
             * Initialize pro classes.
             */
            $this->classes->backend_pro = class_exists('DOPBSPBackEndPRO')
                    ? new DOPBSPBackEndPRO()
                    : 'Class does not exist!';

            /*
             * Initialize reservations classes.
             */
            $this->classes->backend_reservations = class_exists('DOPBSPBackEndReservations')
                    ? new DOPBSPBackEndReservations()
                    : 'Class does not exist!';
            $this->classes->backend_reservations_add = class_exists('DOPBSPBackEndReservationsAdd')
                    ? new DOPBSPBackEndReservationsAdd()
                    : 'Class does not exist!';
            $this->classes->backend_reservations_calendar = class_exists('DOPBSPBackEndReservationsCalendar')
                    ? new DOPBSPBackEndReservationsCalendar()
                    : 'Class does not exist!';
            $this->classes->backend_reservations_list = class_exists('DOPBSPBackEndReservationsList')
                    ? new DOPBSPBackEndReservationsList()
                    : 'Class does not exist!';
            $this->classes->backend_reservation = class_exists('DOPBSPBackEndReservation')
                    ? new DOPBSPBackEndReservation()
                    : 'Class does not exist!';
            $this->classes->backend_reservation_form = class_exists('DOPBSPBackEndReservationForm')
                    ? new DOPBSPBackEndReservationForm()
                    : 'Class does not exist!';
            $this->classes->backend_reservation_notifications = class_exists('DOPBSPBackEndReservationNotifications')
                    ? new DOPBSPBackEndReservationNotifications()
                    : 'Class does not exist!';
            $this->classes->frontend_reservations = class_exists('DOPBSPFrontEndReservations')
                    ? new DOPBSPFrontEndReservations()
                    : 'Class does not exist!';

            /*
             * Initialize rules classes.
             */
            $this->classes->backend_rules = class_exists('DOPBSPBackEndRules')
                    ? new DOPBSPBackEndRules()
                    : 'Class does not exist!';
            $this->classes->backend_rule = class_exists('DOPBSPBackEndRule')
                    ? new DOPBSPBackEndRule()
                    : 'Class does not exist!';
            $this->classes->frontend_rules = class_exists('DOPBSPFrontEndRules')
                    ? new DOPBSPFrontEndRules()
                    : 'Class does not exist!';

            /*
             * Initialize search classes.
             */
            $this->classes->frontend_search = class_exists('DOPBSPFrontEndSearch')
                    ? new DOPBSPFrontEndSearch()
                    : 'Class does not exist!';

            /*
             * Initialize settings classes.
             */
            $this->classes->backend_settings = class_exists('DOPBSPBackEndSettings')
                    ? new DOPBSPBackEndSettings()
                    : 'Class does not exist!';
            $this->classes->backend_settings_calendar = class_exists('DOPBSPBackEndSettingsCalendar')
                    ? new DOPBSPBackEndSettingsCalendar()
                    : 'Class does not exist!';
            $this->classes->backend_settings_general = class_exists('DOPBSPBackEndSettingsGeneral')
                    ? new DOPBSPBackEndSettingsGeneral()
                    : 'Class does not exist!';
            $this->classes->backend_settings_licences = class_exists('DOPBSPBackEndSettingsLicences')
                    ? new DOPBSPBackEndSettingsLicences()
                    : 'Class does not exist!';
            $this->classes->backend_settings_notifications = class_exists('DOPBSPBackEndSettingsNotifications')
                    ? new DOPBSPBackEndSettingsNotifications()
                    : 'Class does not exist!';
            $this->classes->backend_settings_payment_gateways = class_exists('DOPBSPBackEndSettingsPaymentGateways')
                    ? new DOPBSPBackEndSettingsPaymentGateways()
                    : 'Class does not exist!';
            $this->classes->backend_settings_users = class_exists('DOPBSPBackEndSettingsUsers')
                    ? new DOPBSPBackEndSettingsUsers()
                    : 'Class does not exist!';

            /*
             * Initialize shortcodes classes.
             */
            $this->classes->backend_shortcodes = class_exists('DOPBSPBackEndShortcodes')
                    ? new DOPBSPBackEndShortcodes()
                    : 'Class does not exist!';

            /*
             * Initialize SMSes classes.
             */
            $this->classes->backend_smses = class_exists('DOPBSPBackEndSmses')
                    ? new DOPBSPBackEndSmses()
                    : 'Class does not exist!';
            $this->classes->backend_sms = class_exists('DOPBSPBackEndSms')
                    ? new DOPBSPBackEndSms()
                    : 'Class does not exist!';

            /*
             * Initialize tools classes.
             */
            $this->classes->backend_tools = class_exists('DOPBSPBackEndTools')
                    ? new DOPBSPBackEndTools()
                    : 'Class does not exist!';
            $this->classes->backend_tools_repair_calendars_settings = class_exists('DOPBSPBackEndToolsRepairCalendarsSettings')
                    ? new DOPBSPBackEndToolsRepairCalendarsSettings()
                    : 'Class does not exist!';
            $this->classes->backend_tools_repair_database_text = class_exists('DOPBSPBackEndToolsRepairDatabaseText')
                    ? new DOPBSPBackEndToolsRepairDatabaseText()
                    : 'Class does not exist!';
            $this->classes->backend_tools_repair_search_settings = class_exists('DOPBSPBackEndToolsRepairSearchSettings')
                    ? new DOPBSPBackEndToolsRepairSearchSettings()
                    : 'Class does not exist!';

            /*
             * Initialize translation classes, except main class.
             */
            $this->classes->backend_translation = class_exists('DOPBSPBackEndTranslation')
                    ? new DOPBSPBackEndTranslation()
                    : 'Class does not exist!';
        }

        /*
         * Initialize back end.
         */
        function initBackEnd(){
            /*
             * Set role action for current user.
             */
            $user_roles = array_values(wp_get_current_user()->roles);

            switch ($user_roles[0]){
                case 'administrator':
                    $this->vars->role_action = 'manage_options';
                    break;
                case 'author':
                    $this->vars->role_action = 'publish_posts';
                    break;
                case 'contributor':
                    $this->vars->role_action = 'edit_posts';
                    break;
                case 'editor':
                    $this->vars->role_action = 'edit_pages';
                    break;
                case 'subscriber':
                    $this->vars->role_action = 'read';
                    break;
                default:
                    $this->vars->role_action = $user_roles[0];
                    break;
            }

            if (!isset($this->classes->backend_settings_users)){
                return false;
            }

            if (!$this->classes->backend_settings_users->permission(wp_get_current_user()->ID,
                                                                    'use-booking-system')
                    && !$this->classes->backend_settings_users->permission(wp_get_current_user()->ID,
                                                                           'use-calendars')){
                return false;
            }

            /*
             * PRO
             */
            $this->vars->view_pro = !DOPBSP_CONFIG_VIEW_PRO
                    ? DOPBSP_CONFIG_VIEW_PRO
                    : !(get_option('DOPBSP_view_pro') == 'false');

            /*
             * Set back end menu.
             */
            if (function_exists('add_options_page')){
                add_menu_page($this->text('TITLE'),
                              $this->text('TITLE'),
                              $this->vars->role_action,
                              'dopbsp',
                              array(&$this->classes->backend_dashboard,
                                    'view'),
                              'div');
                add_submenu_page('dopbsp',
                                 $this->text('DASHBOARD_TITLE'),
                                 $this->text('DASHBOARD_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp',
                                 array(&$this->classes->backend_dashboard,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('CALENDARS_TITLE'),
                                 $this->text('CALENDARS_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-calendars',
                                 array(&$this->classes->backend_calendars,
                                       'view'));
//                add_submenu_page('dopbsp',
//                                 $this->text('LOCATIONS_TITLE'),
//                                 $this->text('LOCATIONS_TITLE'),
//                                 $this->vars->role_action,
//                                 'dopbsp-locations',
//                                 array(&$this->classes->backend_locations,
//                                       'view'));
//                $this->vars->view_pro
//                        ? add_submenu_page('dopbsp',
//                                           $this->text('SEARCHES_TITLE').' - '.$this->text('MESSAGES_PRO_TEXT'),
//                                           $this->text('SEARCHES_TITLE').'<em class="dopbsp-small dopbsp-beta"> '.$this->text('MESSAGES_PRO_INFO').'</em>',
//                                           $this->vars->role_action,
//                                           'dopbsp-pro',
//                                           array(&$this->classes->backend_pro,
//                                                 'view'))
//                        : '';
                add_submenu_page('dopbsp',
                                 $this->text('RESERVATIONS_TITLE'),
                                 $this->text('RESERVATIONS_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-reservations',
                                 array(&$this->classes->backend_reservations,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('RULES_TITLE'),
                                 $this->text('RULES_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-rules',
                                 array(&$this->classes->backend_rules,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('EXTRAS_TITLE'),
                                 $this->text('EXTRAS_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-extras',
                                 array(&$this->classes->backend_extras,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('DISCOUNTS_TITLE'),
                                 $this->text('DISCOUNTS_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-discounts',
                                 array(&$this->classes->backend_discounts,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('FEES_TITLE'),
                                 $this->text('FEES_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-fees',
                                 array(&$this->classes->backend_fees,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('COUPONS_TITLE'),
                                 $this->text('COUPONS_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-coupons',
                                 array(&$this->classes->backend_coupons,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('FORMS_TITLE'),
                                 $this->text('FORMS_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-forms',
                                 array(&$this->classes->backend_forms,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('EMAILS_TITLE'),
                                 $this->text('EMAILS_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-emails',
                                 array(&$this->classes->backend_emails,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('SMSES_TITLE'),
                                 $this->text('SMSES_TITLE'),
                                 $this->vars->role_action,
                                 'dopbsp-smses',
                                 array(&$this->classes->backend_smses,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('TRANSLATION_TITLE',
                                             'Translation'),
                                 $this->text('TRANSLATION_TITLE',
                                             'Translation'),
                                 'manage_options',
                                 'dopbsp-translation',
                                 array(&$this->classes->translation,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('SETTINGS_TITLE'),
                                 $this->text('SETTINGS_TITLE'),
                                 'manage_options',
                                 'dopbsp-settings',
                                 array(&$this->classes->backend_settings,
                                       'view'));
                add_submenu_page('dopbsp',
                                 $this->text('TOOLS_TITLE',
                                             'Tools'),
                                 $this->text('TOOLS_TITLE',
                                             'Tools'),
                                 'manage_options',
                                 'dopbsp-tools',
                                 array(&$this->classes->backend_tools,
                                       'view'));
            }
        }

        /*
         * Initialize back end AJAX requests.
         */
        function initBackEndAJAX(){
            if (!isset($this->classes->backend_settings_users)){
                return false;
            }

            if (!$this->classes->backend_settings_users->permission(wp_get_current_user()->ID,
                                                                    'use-booking-system')
                    && !$this->classes->backend_settings_users->permission(wp_get_current_user()->ID,
                                                                           'use-calendars')){
                return false;
            }

            /*
             * Addons back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_addons_display',
                       array(&$this->classes->backend_addons,
                             'display'));

            /*
             * API back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_api_key_reset',
                       array(&$this->classes->backend_api_key,
                             'reset'));

            /*
             * Calendars back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_calendars_display',
                       array(&$this->classes->backend_calendars,
                             'display'));

            /*
             * Calendar back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_calendar_get_options',
                       array(&$this->classes->backend_calendar,
                             'getOptions'));
            add_action('wp_ajax_dopbsp_calendar_edit',
                       array(&$this->classes->backend_calendar,
                             'edit'));
            add_action('wp_ajax_dopbsp_calendar_delete',
                       array(&$this->classes->backend_calendar,
                             'delete'));

            add_action('wp_ajax_dopbsp_calendar_schedule_get',
                       array(&$this->classes->backend_calendar_schedule,
                             'get'));
            add_action('wp_ajax_dopbsp_calendar_schedule_set',
                       array(&$this->classes->backend_calendar_schedule,
                             'set'));
            add_action('wp_ajax_dopbsp_calendar_schedule_delete',
                       array(&$this->classes->backend_calendar_schedule,
                             'delete'));

            /*
             * Coupons back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_coupons_display',
                       array(&$this->classes->backend_coupons,
                             'display'));
            add_action('wp_ajax_dopbsp_coupon_display',
                       array(&$this->classes->backend_coupon,
                             'display'));
            add_action('wp_ajax_dopbsp_coupon_add',
                       array(&$this->classes->backend_coupon,
                             'add'));
            add_action('wp_ajax_dopbsp_coupon_edit',
                       array(&$this->classes->backend_coupon,
                             'edit'));
            add_action('wp_ajax_dopbsp_coupon_delete',
                       array(&$this->classes->backend_coupon,
                             'delete'));

            /*
             * Discounts back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_discounts_display',
                       array(&$this->classes->backend_discounts,
                             'display'));
            add_action('wp_ajax_dopbsp_discount_display',
                       array(&$this->classes->backend_discount,
                             'display'));
            add_action('wp_ajax_dopbsp_discount_add',
                       array(&$this->classes->backend_discount,
                             'add'));
            add_action('wp_ajax_dopbsp_discount_edit',
                       array(&$this->classes->backend_discount,
                             'edit'));
            add_action('wp_ajax_dopbsp_discount_delete',
                       array(&$this->classes->backend_discount,
                             'delete'));

            add_action('wp_ajax_dopbsp_discount_items_sort',
                       array(&$this->classes->backend_discount_items,
                             'sort'));
            add_action('wp_ajax_dopbsp_discount_item_add',
                       array(&$this->classes->backend_discount_item,
                             'add'));
            add_action('wp_ajax_dopbsp_discount_item_edit',
                       array(&$this->classes->backend_discount_item,
                             'edit'));
            add_action('wp_ajax_dopbsp_discount_item_delete',
                       array(&$this->classes->backend_discount_item,
                             'delete'));

            add_action('wp_ajax_dopbsp_discount_item_rules_sort',
                       array(&$this->classes->backend_discount_item_rules,
                             'sort'));
            add_action('wp_ajax_dopbsp_discount_item_rule_add',
                       array(&$this->classes->backend_discount_item_rule,
                             'add'));
            add_action('wp_ajax_dopbsp_discount_item_rule_edit',
                       array(&$this->classes->backend_discount_item_rule,
                             'edit'));
            add_action('wp_ajax_dopbsp_discount_item_rule_delete',
                       array(&$this->classes->backend_discount_item_rule,
                             'delete'));

            /*
             * Emails back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_emails_display',
                       array(&$this->classes->backend_emails,
                             'display'));
            add_action('wp_ajax_dopbsp_email_display',
                       array(&$this->classes->backend_email,
                             'display'));
            add_action('wp_ajax_dopbsp_email_add',
                       array(&$this->classes->backend_email,
                             'add'));
            add_action('wp_ajax_dopbsp_email_edit',
                       array(&$this->classes->backend_email,
                             'edit'));
            add_action('wp_ajax_dopbsp_email_delete',
                       array(&$this->classes->backend_email,
                             'delete'));

            /*
             * Extras back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_extras_display',
                       array(&$this->classes->backend_extras,
                             'display'));
            add_action('wp_ajax_dopbsp_extra_display',
                       array(&$this->classes->backend_extra,
                             'display'));
            add_action('wp_ajax_dopbsp_extra_add',
                       array(&$this->classes->backend_extra,
                             'add'));
            add_action('wp_ajax_dopbsp_extra_edit',
                       array(&$this->classes->backend_extra,
                             'edit'));
            add_action('wp_ajax_dopbsp_extra_delete',
                       array(&$this->classes->backend_extra,
                             'delete'));

            add_action('wp_ajax_dopbsp_extra_groups_sort',
                       array(&$this->classes->backend_extra_groups,
                             'sort'));
            add_action('wp_ajax_dopbsp_extra_group_add',
                       array(&$this->classes->backend_extra_group,
                             'add'));
            add_action('wp_ajax_dopbsp_extra_group_edit',
                       array(&$this->classes->backend_extra_group,
                             'edit'));
            add_action('wp_ajax_dopbsp_extra_group_delete',
                       array(&$this->classes->backend_extra_group,
                             'delete'));

            add_action('wp_ajax_dopbsp_extra_group_items_sort',
                       array(&$this->classes->backend_extra_group_items,
                             'sort'));
            add_action('wp_ajax_dopbsp_extra_group_item_add',
                       array(&$this->classes->backend_extra_group_item,
                             'add'));
            add_action('wp_ajax_dopbsp_extra_group_item_edit',
                       array(&$this->classes->backend_extra_group_item,
                             'edit'));
            add_action('wp_ajax_dopbsp_extra_group_item_delete',
                       array(&$this->classes->backend_extra_group_item,
                             'delete'));

            /*
             * Fees back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_fees_display',
                       array(&$this->classes->backend_fees,
                             'display'));
            add_action('wp_ajax_dopbsp_fee_display',
                       array(&$this->classes->backend_fee,
                             'display'));
            add_action('wp_ajax_dopbsp_fee_add',
                       array(&$this->classes->backend_fee,
                             'add'));
            add_action('wp_ajax_dopbsp_fee_edit',
                       array(&$this->classes->backend_fee,
                             'edit'));
            add_action('wp_ajax_dopbsp_fee_delete',
                       array(&$this->classes->backend_fee,
                             'delete'));

            /*
             * Forms back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_forms_display',
                       array(&$this->classes->backend_forms,
                             'display'));
            add_action('wp_ajax_dopbsp_form_display',
                       array(&$this->classes->backend_form,
                             'display'));
            add_action('wp_ajax_dopbsp_form_add',
                       array(&$this->classes->backend_form,
                             'add'));
            add_action('wp_ajax_dopbsp_form_edit',
                       array(&$this->classes->backend_form,
                             'edit'));
            add_action('wp_ajax_dopbsp_form_delete',
                       array(&$this->classes->backend_form,
                             'delete'));

            add_action('wp_ajax_dopbsp_form_fields_sort',
                       array(&$this->classes->backend_form_fields,
                             'sort'));
            add_action('wp_ajax_dopbsp_form_field_add',
                       array(&$this->classes->backend_form_field,
                             'add'));
            add_action('wp_ajax_dopbsp_form_field_edit',
                       array(&$this->classes->backend_form_field,
                             'edit'));
            add_action('wp_ajax_dopbsp_form_field_delete',
                       array(&$this->classes->backend_form_field,
                             'delete'));

            add_action('wp_ajax_dopbsp_form_field_select_options_sort',
                       array(&$this->classes->backend_form_field_select_options,
                             'sort'));
            add_action('wp_ajax_dopbsp_form_field_select_option_add',
                       array(&$this->classes->backend_form_field_select_option,
                             'add'));
            add_action('wp_ajax_dopbsp_form_field_select_option_edit',
                       array(&$this->classes->backend_form_field_select_option,
                             'edit'));
            add_action('wp_ajax_dopbsp_form_field_select_option_delete',
                       array(&$this->classes->backend_form_field_select_option,
                             'delete'));

            /*
             * Languages back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_languages_display',
                       array(&$this->classes->backend_languages,
                             'display'));
            add_action('wp_ajax_dopbsp_language_change',
                       array(&$this->classes->backend_language,
                             'change'));
            add_action('wp_ajax_dopbsp_language_enable',
                       array(&$this->classes->backend_language,
                             'enable'));

            /*
             * Locations back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_locations_display',
                       array(&$this->classes->backend_locations,
                             'display'));
            add_action('wp_ajax_dopbsp_location_display',
                       array(&$this->classes->backend_location,
                             'display'));
            add_action('wp_ajax_dopbsp_location_edit',
                       array(&$this->classes->backend_location,
                             'edit'));
            add_action('wp_ajax_dopbsp_location_share',
                       array(&$this->classes->backend_location,
                             'share'));

            /*
             * PRO back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_pro_remove',
                       array(&$this->classes->backend_pro,
                             'remove'));

            /*
             * Reservations back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_reservations_get',
                       array(&$this->classes->backend_reservations,
                             'get'));
            add_action('wp_ajax_dopbsp_reservations_add_get_json',
                       array(&$this->classes->backend_reservations_add,
                             'getJSON'));
            add_action('wp_ajax_dopbsp_reservations_add_book',
                       array(&$this->classes->backend_reservations_add,
                             'book'));
            add_action('wp_ajax_dopbsp_reservations_import_book',
                       array(&$this->classes->backend_reservations_add,
                             'import'));

            add_action('wp_ajax_dopbsp_reservations_calendar_get_json',
                       array(&$this->classes->backend_reservations_calendar,
                             'getJSON'));
            add_action('wp_ajax_dopbsp_reservations_calendar_get',
                       array(&$this->classes->backend_reservations_calendar,
                             'get'));

            add_action('wp_ajax_dopbsp_reservations_list_get',
                       array(&$this->classes->backend_reservations_list,
                             'get'));
            add_action('wp_ajax_dopbsp_reservations_list_print',
                       array(&$this->classes->backend_reservations_list,
                             'printReservations')); // to add

            add_action('wp_ajax_dopbsp_reservation_approve',
                       array(&$this->classes->backend_reservation,
                             'approve'));
            add_action('wp_ajax_dopbsp_reservation_reject',
                       array(&$this->classes->backend_reservation,
                             'reject'));
            add_action('wp_ajax_dopbsp_reservation_cancel',
                       array(&$this->classes->backend_reservation,
                             'cancel'));
            add_action('wp_ajax_dopbsp_reservation_delete',
                       array(&$this->classes->backend_reservation,
                             'delete'));

            add_action('wp_ajax_dopbsp_reservation_form_edit',
                       array(&$this->classes->backend_reservation_form,
                             'edit'));

            /*
             * Rules back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_rules_display',
                       array(&$this->classes->backend_rules,
                             'display'));
            add_action('wp_ajax_dopbsp_rule_display',
                       array(&$this->classes->backend_rule,
                             'display'));
            add_action('wp_ajax_dopbsp_rule_add',
                       array(&$this->classes->backend_rule,
                             'add'));
            add_action('wp_ajax_dopbsp_rule_edit',
                       array(&$this->classes->backend_rule,
                             'edit'));
            add_action('wp_ajax_dopbsp_rule_delete',
                       array(&$this->classes->backend_rule,
                             'delete'));

            /*
             * Settings back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_settings_calendar_display',
                       array(&$this->classes->backend_settings_calendar,
                             'display'));
            add_action('wp_ajax_dopbsp_settings_general_display',
                       array(&$this->classes->backend_settings_general,
                             'display'));
            add_action('wp_ajax_dopbsp_settings_licences_display',
                       array(&$this->classes->backend_settings_licences,
                             'display'));
            add_action('wp_ajax_dopbsp_settings_licences_activate',
                       array(&$this->classes->backend_settings_licences,
                             'activate'));
            add_action('wp_ajax_dopbsp_settings_licences_deactivate',
                       array(&$this->classes->backend_settings_licences,
                             'deactivate'));
            add_action('wp_ajax_dopbsp_settings_notifications_display',
                       array(&$this->classes->backend_settings_notifications,
                             'display'));
            add_action('wp_ajax_dopbsp_settings_notifications_test',
                       array(&$this->classes->notifications,
                             'test'));
            add_action('wp_ajax_dopbsp_settings_payment_gateways_display',
                       array(&$this->classes->backend_settings_payment_gateways,
                             'display'));
            add_action('wp_ajax_dopbsp_settings_set',
                       array(&$this->classes->backend_settings,
                             'set'));

            /*
             * Settings users permissions back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_settings_users_display',
                       array(&$this->classes->backend_settings_users,
                             'display'));
            add_action('wp_ajax_dopbsp_settings_users_get',
                       array(&$this->classes->backend_settings_users,
                             'get'));
            add_action('wp_ajax_dopbsp_settings_users_set',
                       array(&$this->classes->backend_settings_users,
                             'set'));
            add_action('wp_ajax_dopbsp_settings_users_display_calendar',
                       array(&$this->classes->backend_settings_users,
                             'displayCalendar'));
            add_action('wp_ajax_dopbsp_settings_users_set_calendar',
                       array(&$this->classes->backend_settings_users,
                             'setCalendar'));

            /*
             * SMSes back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_smses_display',
                       array(&$this->classes->backend_smses,
                             'display'));
            add_action('wp_ajax_dopbsp_sms_display',
                       array(&$this->classes->backend_sms,
                             'display'));
            add_action('wp_ajax_dopbsp_sms_add',
                       array(&$this->classes->backend_sms,
                             'add'));
            add_action('wp_ajax_dopbsp_sms_edit',
                       array(&$this->classes->backend_sms,
                             'edit'));
            add_action('wp_ajax_dopbsp_sms_delete',
                       array(&$this->classes->backend_sms,
                             'delete'));

            /*
             * Tools back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_tools_repair_calendars_settings_display',
                       array(&$this->classes->backend_tools_repair_calendars_settings,
                             'display'));
            add_action('wp_ajax_dopbsp_tools_repair_calendars_settings_clean',
                       array(&$this->classes->backend_tools_repair_calendars_settings,
                             'clean'));
            add_action('wp_ajax_dopbsp_tools_repair_calendars_settings_get',
                       array(&$this->classes->backend_tools_repair_calendars_settings,
                             'get'));
            add_action('wp_ajax_dopbsp_tools_repair_calendars_settings_set',
                       array(&$this->classes->backend_tools_repair_calendars_settings,
                             'set'));
            add_action('wp_ajax_dopbsp_tools_repair_database_text_set',
                       array(&$this->classes->backend_tools_repair_database_text,
                             'set'));

            /*
             * Translation back end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_translation_display',
                       array(&$this->classes->backend_translation,
                             'display'));
            add_action('wp_ajax_dopbsp_translation_edit',
                       array(&$this->classes->backend_translation,
                             'edit'));
            add_action('wp_ajax_dopbsp_translation_reset',
                       array(&$this->classes->backend_translation,
                             'reset'));
            add_action('wp_ajax_dopbsp_translation_check',
                       array(&$this->classes->translation,
                             'check'));
        }

        /*
         * Initialize front end AJAX requests.
         */
        function initFrontEndAJAX(){
            /*
             * Calendar front end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_calendar_schedule_get',
                       array(&$this->classes->backend_calendar_schedule,
                             'get'));
            add_action('wp_ajax_nopriv_dopbsp_calendar_schedule_get',
                       array(&$this->classes->backend_calendar_schedule,
                             'get'));

            /*
             * Coupons front end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_coupons_verify',
                       array(&$this->classes->frontend_coupons,
                             'verify'));
            add_action('wp_ajax_nopriv_dopbsp_coupons_verify',
                       array(&$this->classes->frontend_coupons,
                             'verify'));

            /*
             * Reservations front end AJAX requests.
             */
            add_action('wp_ajax_dopbsp_reservations_book',
                       array(&$this->classes->frontend_reservations,
                             'book'));
            add_action('wp_ajax_nopriv_dopbsp_reservations_book',
                       array(&$this->classes->frontend_reservations,
                             'book'));
        }

        /*
         * Get text.
         *
         * @param key (string): translation text key
         *
         * @return a string
         */
        function text($key,
                      $fallback = '!'){
            switch ($key){
                case 'BETA':
                    $prefix = '&nbsp;<em class="dopbsp-small dopbsp-beta">';
                    $suffix = '</em>';
                    break;
                case 'BETA_TITLE':
                    $prefix = '<em class="dopbsp-beta">';
                    $suffix = '</em>';
                    break;
                case 'SOON':
                    $prefix = '&nbsp;<em class="dopbsp-small dopbsp-soon">';
                    $suffix = '</em>';
                    break;
                case 'SOON_TITLE':
                    $prefix = '<em class="dopbsp-soon">';
                    $suffix = '</em>';
                    break;
                default:
                    $prefix = '';
                    $suffix = '';
            }

            return isset($this->vars->translation_text[$key])
                    ? $prefix.$this->vars->translation_text[$key].$suffix
                    : $fallback;
        }
    }

    $DOPBSP = new DOPBSP();
}

/*
 * Delete all plugin data if you uninstall it. IMPORTANT! The function needs to be in this file.
 */
if (!function_exists('DOPBSPUninstall')){
    function DOPBSPUninstall(){
        if (DOPBSP_CONFIG_DELETE_DATA_ON_DELETE){
            global $wpdb;
            global $wp_roles;

            /*
             * Delete database tables.
             */
            //phpcs:ignore WordPress.DB.DirectDatabaseQuery
            $tables = $wpdb->get_results('SHOW TABLES');

            foreach ($tables as $table){
                $object_name = 'Tables_in_'.DB_NAME;
                $table_name = $table->$object_name;

                if (strrpos($table_name,
                            'dopbsp_') !== false){
                    //phpcs:ignore WordPress.DB.DirectDatabaseQuery
                    $wpdb->query($wpdb->prepare('DROP TABLE IF EXISTS %i',
                                                $table_name));
                }
            }

            /*
             * Delete options.
             */
            delete_option('DOPBSP_db_version');
            delete_option('DOPBSP_db_version_api_keys');
            delete_option('DOPBSP_db_version_availability');
            delete_option('DOPBSP_db_version_availability_no');
            delete_option('DOPBSP_db_version_availability_price');
            delete_option('DOPBSP_db_version_calendars');
            delete_option('DOPBSP_db_version_coupons');
            delete_option('DOPBSP_db_version_days');
            delete_option('DOPBSP_db_version_days_available');
            delete_option('DOPBSP_db_version_days_unavailable');
            delete_option('DOPBSP_db_version_discounts');
            delete_option('DOPBSP_db_version_discounts_items');
            delete_option('DOPBSP_db_version_discounts_items_rules');
            delete_option('DOPBSP_db_version_emails');
            delete_option('DOPBSP_db_version_emails_translation');
            delete_option('DOPBSP_db_version_extras');
            delete_option('DOPBSP_db_version_extras_groups');
            delete_option('DOPBSP_db_version_extras_groups_items');
            delete_option('DOPBSP_db_version_fees');
            delete_option('DOPBSP_db_version_forms');
            delete_option('DOPBSP_db_version_forms_fields');
            delete_option('DOPBSP_db_version_forms_select_options');
            delete_option('DOPBSP_db_version_languages');
            delete_option('DOPBSP_db_version_locations');
            delete_option('DOPBSP_db_version_reservations');
            delete_option('DOPBSP_db_version_rules');
            delete_option('DOPBSP_db_version_searches');
            delete_option('DOPBSP_db_version_settings');
            delete_option('DOPBSP_db_version_settings_calendar');
            delete_option('DOPBSP_db_version_settings_notifications');
            delete_option('DOPBSP_db_version_settings_payment');
            delete_option('DOPBSP_db_version_settings_search');
            delete_option('DOPBSP_db_version_smses');
            delete_option('DOPBSP_db_version_smses_translation');
            delete_option('DOPBSP_db_version_translation');
            delete_option('DOPBSP_db_version_woocommerce'); // This needs to be here.
            delete_option('DOPBSP_view_pro');
            delete_option('DOPBSP_request_rating');

            /*
             * Delete user options.
             */
            $roles = $wp_roles->get_names();

            while ($data = current($roles)){
                delete_option('DOPBSP_users_permissions_'.key($roles));
                delete_option('DOPBSP_users_permissions_custom_posts_'.key($roles));
                next($roles);
            }

            /*
             * Delete user meta.
             */
            $users = get_users(array('blog_id'      => $GLOBALS['blog_id'],
                                     'count_total'  => false,
                                     'exclude'      => array(),
                                     'fields'       => 'all',
                                     'include'      => array(),
                                     'meta_compare' => '',
                                     'meta_key'     => '',
                                     'meta_query'   => array(),
                                     'meta_value'   => '',
                                     'number'       => '',
                                     'offset'       => '',
                                     'order'        => 'ASC',
                                     'orderby'      => 'login',
                                     'role'         => '',
                                     'search'       => '',
                                     'who'          => ''));

            foreach ($users as $user){
                delete_user_meta($user->ID,
                                 'DOPBSP_permissions_calendars');
                delete_user_meta($user->ID,
                                 'DOPBSP_backend_language');
                delete_user_meta($user->ID,
                                 'DOPBSP_permissions_view');
                delete_user_meta($user->ID,
                                 'DOPBSP_permissions_use');
                delete_user_meta($user->ID,
                                 'DOPBSP_permissions_custom_posts');
            }
        }
    }
}

/*
 * Hook uninstall function. The registration needs to be in this file.
 */
register_uninstall_hook(__FILE__,
                        'DOPBSPUninstall');

// Files not included errors handler.

/*
 * Booking System errors handler PHP class. IMPORTANT! The class needs to be in this file.
 */

class DOPBSPErrorsHandler{
    static $IGNORE_DEPRECATED = true;

    /*
     * Start redirecting PHP errors.
     *
     * @param level (integer): PHP error level to catch (Default = E_ALL & ~E_DEPRECATED)
     */
    static function start($level = null){
        if ($level == null){
            if (defined('E_DEPRECATED')){
                $level = E_ALL&~E_DEPRECATED;
            }
            else{
                $level = E_ALL;
                self::$IGNORE_DEPRECATED = true;
            }
        }
        //        set_error_handler(array('DOPBSPErrorsHandler',
        //                                'handle'),
        //                          $level);
    }

    /*
     * Stop redirecting PHP errors.
     */
    static function finish(){
        restore_error_handler();
    }

    /*
     * Handle error exceptions.
     *
     * @param code (string)
     * @param string (string)
     * @param file (string)
     * @param line (string)
     * @param context (string)
     *
     * @return true if no errors else the errors object
     */
    static function handle($code,
                           $string,
                           $file,
                           $line,
                           $context){
        if (error_reporting() == 0){
            return;
        }

        if (self::$IGNORE_DEPRECATED
                && strpos($string,
                          'deprecated') === true){
            return true;
        }
        throw new Exception(esc_html($string),
                            esc_html($code));
    }
}

/*
 * Message to be displayed if not all PHP files are loaded. IMPORTANT! The function needs to be in this file.
 */
function dopbspMissingFiles(){
    global $DOT;

    $error = array();

    $error[] = '<div class="update-nag">';
    $error[] = '  <p>WARNING for Pinpoint Booking System! Not all PHP files needed to run the plugin are on the server, in folder <strong>wp-content/plugins/dopbsp/</strong>. If you are installing or updating the plugin using FTP, please allow all files to upload, or try to upload them again. If you think all files are on the server and this message still exist, please contact us at <a href="https://pinpoint.world/contact" target="_blank">https://pinpoint.world/contact</a>.</p>';
    $error[] = '</div>';

    $DOT->echo(implode('',
                       $error));
}