Apply the new add-to-google button for 1.5

application/controllers/Booking_confirmation.php

@@ -30,6 +30,8 @@ class Booking_confirmation extends EA_Controller {
         $this->load->model('providers_model');
         $this->load->model('services_model');
         $this->load->model('customers_model');
+        
+        $this->load->library('google_sync');
     }
 
     /**
@@ -50,44 +52,13 @@ class Booking_confirmation extends EA_Controller {
 
         $appointment = $occurrences[0];
 
-        unset($appointment['notes']);
+        $add_to_google_url = $this->google_sync->get_add_to_google_url($appointment['id']); 
-
-        $provider = $this->providers_model->find($appointment['id_users_provider']);
-
-        $this->providers_model->only($provider, [
-            'id',
-            'first_name',
-            'last_name',
-            'email',
-            'timezone'
-        ]);
-
-        $service = $this->services_model->find($appointment['id_services']);
-
-        $this->services_model->only($service, [
-            'id',
-            'first_name',
-            'last_name',
-            'email',
-            'timezone'
-        ]);
-
-        $company_name = setting('company_name');
-
-        script_vars([
-            'appointment_data' => $appointment,
-            'provider_data' => $provider,
-            'service_data' => $service,
-            'company_name' => $company_name,
-            'google_api_scope' => 'https://www.googleapis.com/auth/calendar',
-            'google_api_key' => config('google_api_key'),
-            'google_client_id' => config('google_api_key'),
-        ]);
 
         html_vars([
             'page_title' => lang('success'),
             'google_analytics_code' => setting('google_analytics_code'),
             'matomo_analytics_url' => setting('matomo_analytics_url'),
+            'add_to_google_url' => $add_to_google_url,
         ]);
 
         $this->load->view('pages/booking_confirmation');

application/libraries/Google_sync.php

@@ -46,8 +46,13 @@ class Google_sync {
     {
         $this->CI =& get_instance();
 
+        $this->CI->load->model('appointments_model');
+        $this->CI->load->model('services_model');
+        $this->CI->load->model('providers_model');
+        $this->CI->load->model('customers_model');
+
         $http = new GuzzleHttp\Client([
-            'verify' => false
+            'verify' => FALSE
         ]);
 
         $this->client = new Google_Client();
@@ -62,6 +67,7 @@ class Google_sync {
         $this->client->addScope([
             Google_Service_Calendar::CALENDAR,
         ]);
+
         $this->service = new Google_Service_Calendar($this->client);
     }
 
@@ -369,4 +375,56 @@ class Google_sync {
 
         return $calendars;
     }
+
+    /**
+     * Get the Add-To-Google-URL, that can be used by anyone to quickly add the event to Google Calendar (no API needed).
+     *
+     * @param int $appointment_id
+     *
+     * @return string
+     *
+     * @throws Exception
+     */
+    public function get_add_to_google_url(int $appointment_id): string
+    {
+        $appointment = $this->CI->appointments_model->find($appointment_id);
+
+        $service = $this->CI->services_model->find($appointment['id_services']);
+
+        $provider = $this->CI->providers_model->find($appointment['id_users_provider']);
+
+        $customer = $this->CI->customers_model->find($appointment['id_users_customer']);
+
+        $provider_timezone_instance = new DateTimeZone($provider['timezone']);
+
+        $utc_timezone_instance = new DateTimeZone('UTC');
+
+        $appointment_start_instance = new DateTime($appointment['start_datetime'], $provider_timezone_instance);
+
+        $appointment_start_instance->setTimezone($utc_timezone_instance);
+
+        $appointment_end_instance = new DateTime($appointment['end_datetime'], $provider_timezone_instance);
+
+        $appointment_end_instance->setTimezone($utc_timezone_instance);
+
+        $add = [
+            $provider['email']
+        ];
+
+        if ( ! empty($customer['email']))
+        {
+            $add[] = $customer['email'];
+        }
+
+        $add_to_google_url_params = [
+            'action' => 'TEMPLATE',
+            'text' => $service['name'],
+            'dates' => $appointment_start_instance->format('Ymd\THis\Z') . '/' . $appointment_end_instance->format('Ymd\THis\Z'),
+            'location' => setting('company_name'),
+            'details' => 'View/Change Appointment: ' . site_url('appointments/index/' . $appointment['hash']),
+            'add' => implode(', ', $add)
+        ];
+
+        return 'https://calendar.google.com/calendar/render?' . http_build_query($add_to_google_url_params);
+    }
 }

application/views/pages/booking_confirmation.php

@@ -24,23 +24,10 @@
         <?= lang('go_to_booking_page') ?>
     </a>
 
-    <?php if (config('google_sync_feature')): ?>
+    <a href="<?= vars('add_to_google_url') ?>" id="add-to-google-calendar" class="btn btn-primary" target="_blank">
-        <button id="add-to-google-calendar" class="btn btn-outline-secondary">
         <i class="fas fa-plus me-2"></i>
         <?= lang('add_to_google_calendar') ?>
-        </button>
+    </a>
-    <?php endif ?>
 </div>
 
 <?php section('content') ?>
-
-<?php section('scripts') ?>
-
-<script src="<?= asset_url('assets/js/utils/date.js') ?>"></script>
-<script src="<?= asset_url('assets/js/utils/message.js') ?>"></script>
-<script src="<?= asset_url('assets/js/utils/validation.js') ?>"></script>
-<script src="<?= asset_url('assets/js/utils/url.js') ?>"></script>
-<script src="<?= asset_url('assets/js/pages/booking_confirmation.js') ?>"></script>
-
-<?php section('scripts') ?>
-

assets/js/pages/booking_confirmation.js

@@ -1,147 +0,0 @@
-/* ----------------------------------------------------------------------------
- * Easy!Appointments - Online Appointment Scheduler
- *
- * @package     EasyAppointments
- * @author      A.Tselegidis <alextselegidis@gmail.com>
- * @copyright   Copyright (c) Alex Tselegidis
- * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
- * @link        https://easyappointments.org
- * @since       v1.5.0
- * ---------------------------------------------------------------------------- */
-
-/**
- * Booking confirmation page.
- *
- * This module implements the functionality of the booking confirmation page.
- */
-App.Pages.BookingConfirmation = (function () {
-    const $addToGoogleCalendar = $('#add-to-google-calendar');
-
-    /**
-     * Handle Authorization Result
-     *
-     * This method handles the authorization result. If the user granted access to his data, then the
-     * appointment is going to be added to his calendar.
-     *
-     * @param {Object} authResult The user's authorization result.
-     */
-    function handleAuthResult(authResult) {
-        try {
-            if (authResult.error) {
-                throw new Error('Could not authorize user.');
-            }
-
-            // The user has granted access, add the appointment to his calendar. Before making the event.insert request
-            // the event resource data must be prepared.
-            const providerData = vars('provider_data');
-
-            const appointmentData = vars('appointment_data');
-
-            // Create a valid Google Calendar API resource for the new event.
-            const resource = {
-                summary: vars('service_data').name,
-                location: vars('company_name'),
-                start: {
-                    dateTime: moment.tz(appointmentData.start_datetime, providerData.timezone).format()
-                },
-                end: {
-                    dateTime: moment.tz(appointmentData.end_datetime, providerData.timezone).format()
-                },
-                attendees: [
-                    {
-                        email: vars('provider_data').email,
-                        displayName: vars('provider_data').first_name + ' ' + vars('provider_data').last_name
-                    }
-                ]
-            };
-
-            gapi.client.load('calendar', 'v3', () => {
-                const request = gapi.client.calendar.events.insert({
-                    calendarId: 'primary',
-                    resource: resource
-                });
-
-                request.execute((response) => {
-                    if (response.error) {
-                        throw new Error('Could not add the event to Google Calendar.');
-                    }
-
-                    $('#success-frame').append(
-                        $('<br/>'),
-                        $('<div/>', {
-                            'class': 'alert alert-success col-xs-12',
-                            'html': [
-                                $('<h4/>', {
-                                    'text': lang('success')
-                                }),
-                                $('<p/>', {
-                                    'text': lang('appointment_added_to_google_calendar')
-                                }),
-                                $('<a/>', {
-                                    'href': response.htmlLink,
-                                    'text': lang('view_appointment_in_google_calendar')
-                                })
-                            ]
-                        })
-                    );
-                    $addToGoogleCalendar.hide();
-                });
-            });
-        } catch (error) {
-            // The user denied access or something else happened, display corresponding message on the screen.
-            $('#success-frame').append(
-                $('<br/>'),
-                $('<div/>', {
-                    'class': 'alert alert-danger col-xs-12',
-                    'html': [
-                        $('<h4/>', {
-                            'text': lang('oops_something_went_wrong')
-                        }),
-                        $('<p/>', {
-                            'text': lang('could_not_add_to_google_calendar')
-                        }),
-                        $('<pre/>', {
-                            'text': error.message
-                        })
-                    ]
-                })
-            );
-        }
-    }
-
-    /**
-     * Add the page event listeners.
-     */
-    function addEventListeners() {
-        /**
-         * Event: Add Appointment to Google Calendar "Click"
-         *
-         * This event handler adds the appointment to the users Google Calendar Account. The event is going to
-         * be added to the "primary" calendar. In order to use the API the javascript client library provided by
-         * Google is necessary.
-         */
-        $addToGoogleCalendar.on('click', () => {
-            gapi.client.setApiKey(vars('google_api_key'));
-
-            gapi.auth.authorize(
-                {
-                    client_id: vars('google_client_id'),
-                    scope: vars('google_api_scope'),
-                    immediate: false
-                },
-                handleAuthResult
-            );
-        });
-    }
-
-    /**
-     * Initialize the module.
-     */
-    function initialize() {
-        addEventListeners();
-    }
-
-    document.addEventListener('DOMContentLoaded', initialize);
-
-    return {};
-})();