Υλοποίηση της μεθοδου διαγραφής ραντεβού από το backend και το Google Calendar.

src/application/controllers/appointments.php

@@ -159,6 +159,8 @@ class Appointments extends CI_Controller {
             $this->load->model('Appointments_Model');
             $this->load->model('Providers_Model');
             $this->load->model('Customers_Model');
+            $this->load->model('Services_Model');
+            $this->load->model('Settings_Model');
             
             // Check whether the appointment hash exists in the database.
             $records = $this->Appointments_Model->get_batch(array('hash' => $appointment_hash));
@@ -167,40 +169,42 @@ class Appointments extends CI_Controller {
             }
             
             $appointment_data = $records[0];
+            $provider_data = $this->Providers_Model->get_row($appointment_data['id_users_provider']);
+            $customer_data = $this->Customers_Model->get_row($appointment_data['id_users_customer']);
+            $service_data = $this->Services_Model->get_row($appointment_data['id_services']);
+            $company_settings = array(
+            		'company_name'  => $this->Settings_Model->get_setting('company_name'),
+            		'company_email' => $this->Settings_Model->get_setting('company_email'),
+            		'company_link'  => $this->Settings_Model->get_setting('company_link')
+            );
             
-            // Delete the appointment from the database.
+            // :: DELETE APPOINTMENT RECORD FROM THE DATABASE.
             if (!$this->Appointments_Model->delete($appointment_data['id'])) {
                 throw new Exception('Appointment could not be deleted from the database.');
             }
             
-            // Send notification emails to the customer and provider.
-            $provider_email = $this->Providers_Model->get_value('email', 
-                    $appointment_data['id_users_provider']);
-            $customer_email = $this->Customers_Model->get_value('email', 
-                    $appointment_data['id_users_customer']);
-            
-            $this->load->library('Notifications');
-            $this->notifications->send_cancel_appointment($appointment_data, $provider_email);
-            $this->notifications->send_cancel_appointment($appointment_data, $customer_email);
-            
-            // Delete the appointment from Google Calendar, if it is synced.
-            if ($appointment_data['id_google_calendar'] != NULL) {
+            // :: SYNC APPOINTMENT REMOVAL WITH GOOGLE CALENDAR
+        	if ($appointment_data['id_google_calendar'] != NULL) {
                 $google_sync = $this->Providers_Model->get_setting('google_sync', 
                         $appointment_data['id_users_provider']);
                 
                 if ($google_sync == TRUE) {
-                    $this->load->library('google_sync');
-                    
-                    // Get the provider's refresh token and try to authenticate the 
-                    // Google Calendar API usage. 
-                    $google_token = $this->Providers_Model->get_setting('google_token',
-                            $appointment_data['id_users_provider']);
-                    
-                    if ($this->google_sync->authendicate($google_token) === TRUE) {
-                        $this->google_sync->delete_appointment($appointment_data['id']);
-                    }
+                	$google_token = json_decode($this->Providers_Model
+                			->get_setting('google_token', $provider_data['id']));
+                	
+                	$this->load->library('Google_Sync');
+                    $this->google_sync->refresh_token($google_token->refresh_token);
+                    $this->google_sync->delete_appointment($appointment_data['id_google_calendar']);
                 }
-            } 
+            }
+            
+            // :: SEND NOTIFICATION EMAILS TO CUSTOMER AND PROVIDER            
+            $this->load->library('Notifications');
+            $this->notifications->send_remove_appointment($appointment_data, $provider_data, 
+            		$service_data, $customer_data, $company_settings, $provider_data['email']);
+            $this->notifications->send_remove_appointment($appointment_data, $provider_data,
+            		$service_data, $customer_data, $company_settings, $customer_data['email']);
+             
         } catch(Exception $exc) {
             // Display the error message to the customer.
             $view_data['error_message'] = $exc->getMessage();

src/application/controllers/backend.php

@@ -102,9 +102,15 @@ class Backend extends CI_Controller {
      */
     public function ajax_save_appointment_changes() {
         try {
+        	$this->load->model('Appointments_Model');
+        	$this->load->model('Providers_Model');
+        	$this->load->model('Services_Model');
+        	$this->load->model('Customers_Model');
+        	$this->load->model('Settings_Model');
+        	
+        	// :: SAVE APPOINTMENT CHANGES TO DATABASE
             if (isset($_POST['appointment_data'])) {
                 $appointment_data = json_decode(stripcslashes($_POST['appointment_data']), true);
-                $this->load->model('Appointments_Model');
                 $this->Appointments_Model->add($appointment_data);
                 
                 if ($appointment_data['id_google_calendar'] != NULL) {
@@ -120,12 +126,42 @@ class Backend extends CI_Controller {
                 }
             }
             
+            // :: SAVE CUSTOMER CHANGES TO DATABASE
             if (isset($_POST['customer_data'])) {
                 $customer_data = json_decode(stripcslashes($_POST['customer_data']), true);
-                $this->load->model('Customers_Model');
                 $this->Customers_Model->add($customer_data);
             }
             
+            // :: SYNC APPOINTMENT CHANGES WITH GOOGLE CALENDAR
+            if ($appointment_data['id_google_calendar'] != NULL) {
+            	$google_sync = $this->Providers_Model
+            			->get_setting('google_sync', $appointment_data['id_users_provider']);
+            	if ($google_sync == TRUE) {
+            		$google_token = $this->Providers_Model
+            				->get_setting('google_token', $appointment_data['id_users_provider']);
+            		$this->load->library('Google_Sync');
+            		$this->google_sync->refresh_token($google_token->refresh_token);
+            		$this->google_sync->update_appointment($appointment_data, $provider_data, 
+            				$service_data, $customer_data);
+            	}
+            }
+            
+            // :: SEND EMAIL NOTIFICATIONS TO PROVIDER AND CUSTOMER
+            $this->load->library('Notifications');
+            try {
+            	$customer_title = 'Appointment Changes Saved Successfully!';
+                $provider_title = 'Appointment Details Have Changed';
+                
+                $this->notifications->send_book_success(
+                		$customer_data, $appointment_data, $customer_title);
+                $this->notifications->send_new_appointment(
+                		$customer_data, $appointment_data, $provider_title);
+                
+            } catch(NotificationException $nt_exc) {
+            	// @task Display message to the user that the notification messages could 
+            	// not be sent.
+            }
+            
             echo json_encode('SUCCESS');
        
         } catch(Exception $exc) {
@@ -144,9 +180,6 @@ class Backend extends CI_Controller {
      * account of the provider, if the "google_sync" setting is enabled.
      * 
      * @param int $_POST['appointment_id'] The appointment id to be deleted.
-     * 
-     * @task Sync action with GCal.
-     * @task Send email notifications to provider and customer.
      */
     public function ajax_delete_appointment() {
         try {
@@ -159,11 +192,17 @@ class Backend extends CI_Controller {
             $this->load->model('Providers_Model');
             $this->load->model('Customers_Model');
             $this->load->model('Services_Model');
+            $this->load->model('Settings_Model');
             
             $appointment_data = $this->Appointments_Model->get_row($_POST['appointment_id']);
-            $provider_data  = $this->Providers_Model->get_row($appointment_data['id_users_provider']);
-            $customer_data  = $this->Customers_Model->get_row($appointment_data['id_users_customer']);
-            $service_data   = $this->services_Model->get_row($appointment_data['id_services']);
+            $provider_data = $this->Providers_Model->get_row($appointment_data['id_users_provider']);
+            $customer_data = $this->Customers_Model->get_row($appointment_data['id_users_customer']);
+            $service_data = $this->Services_Model->get_row($appointment_data['id_services']);
+            $company_settings = array(
+            	'company_name'  => $this->Settings_Model->get_setting('company_name'),
+            	'company_email' => $this->Settings_Model->get_setting('company_email'),
+            	'company_link'  => $this->Settings_Model->get_setting('company_link')
+            );
             
             // :: DELETE APPOINTMENT RECORD FROM DATABASE.
             $this->Appointments_Model->delete($_POST['appointment_id']);
@@ -183,8 +222,8 @@ class Backend extends CI_Controller {
             
             // :: SEND NOTIFICATION EMAILS TO PROVIDER AND CUSTOMER.
             $this->load->library('Notifications');
-            $this->notification->send_delete_appointment($appointment_data, $provider_data, 
-                    $service_data, $customer_data);
+            $this->notification->send_remove_appointment($appointment_data, $provider_data, 
+                    $service_data, $customer_data, $company_settings);
             
             echo json_encode('SUCCESS');
             

src/application/libraries/google_sync.php

@@ -158,22 +158,16 @@ class Google_Sync {
     /**
      * Update an existing appointment that is already synced with Google Calendar.
      * 
-     * @param int $appointment_id The appointment record id.
+     * This method updates the google calendar event item that is connected with the
+     * provided appointment record of Easy!Appointments. 
+     * 
+     * @param array $appointment_data Contains the appointment record data.
+     * @param array $provider_data Contains the provider record data.
+     * @param array $service_data Contains the service record data.
+     * @param array $customer_data Contains the customer recod data.
      */
     public function update_appointment($appointment_data, $provider_data, 
             $service_data, $customer_data) {
-        $this->CI->load->model('Appointments_Model');
-        $this->CI->load->model('Services_Model');
-        $this->CI->load->model('Providers_Model');
-        $this->CI->load->model('Customers_Model');
-        $this->CI->load->model('Settings_Model');
-        
-        $appointment_data   = $this->CI->Appointments_Model->get_row($appointment_id);
-        $provider_data      = $this->CI->Providers_Model->get_row($appointment_data['id_users_provider']);
-        $customer_data      = $this->CI->Customers_Model->get_row($appointment_data['id_users_customer']);
-        $service_data       = $this->CI->Services_Model->get_row($appointment_data['id_services']);
-        $company_name       = $this->CI->Settings_Model->get_setting('company_name');
-        
         $this->CI->load->helper('general');
         
     }

src/application/libraries/notifications.php

@@ -157,38 +157,45 @@ class Notifications {
     }
     
     /**
-     * Send an email notification to a user when an appointment is cancelled.
+     * Send an email notification to both provider and customer on appointment removal.
      * 
-     * @param array $appointment_data The record data of the cancelled appointment.
-     * @param string $user_email The user email where the email notification is going
-     * to be send.
+     * Whenever an appointment is cancelled or removed, both the provider and customer
+     * need to be informed. This method sends the same email twice.
+     * 
+     * <strong>IMPORTANT!</strong> This method's arguments should be taken 
+     * from database before the appointment record is deleted.
+     * 
+     * @param array $appointment_data The record data of the removed appointment.
+     * @param array $provider_data The record data of the appointment provider.
+     * @param array $service_data The record data of the appointment service.
+     * @param array $customer_data The record data of the appointment customer.
+     * @param array $company_settings Some settings that are required for this function. 
+     * By now this array must contain the following values: "company_link", 
+     * "company_name", "company_email". 
+     * @param string $to_address The email address of the email receiver.
      */
-    public function send_cancel_appointment($appointment_data, $user_email) {
-        $this->CI->load->model('Providers_Model');
-        $this->CI->load->model('Services_Model');
-        $this->CI->load->model('Settings_Model');
-        
-        $provider_data = $this->CI->Providers_Model->get_row($appointment_data['id_users_provider']);
-        $service_data = $this->CI->Services_Model->get_row($appointment_data['id_services']);
-        
+    public function send_remove_appointment($appointment_data, $provider_data, 
+            $service_data, $customer_data, $company_settings, $to_address) {
+      	// :: PREPARE EMAIL REPLACE ARRAY
         $replace_array = array(
             '$email_title'          => 'Appointment Cancelled',
             '$appointment_service'  => $service_data['name'],
             '$appointment_provider' => $provider_data['first_name'] . ' ' . $provider_data['last_name'],
             '$appointment_date'     => date('d/m/Y H:i', strtotime($appointment_data['start_datetime'])),
             '$appointment_duration' => $service_data['duration'] . ' minutes',
-            '$company_link'         => $this->CI->Settings_Model->get_setting('company_link'),
-            '$company_name'         => $this->CI->Settings_Model->get_setting('company_name')
+            '$company_link'         => $company_settings('company_link'),
+            '$company_name'         => $company_settings('company_name')
         );
         
         $email_html = file_get_contents(dirname(dirname(__FILE__)) 
                 . '/views/emails/cancel_appointment.php');
         $email_html = $this->replace_template_variables($replace_array, $email_html);
         
+        // :: SETUP EMAIL OBJECT AND SEND NOTIFICATION
         $mail = new PHPMailer();
-        $mail->From         = $this->CI->Settings_Model->get_setting('company_email');
-        $mail->FromName     = $this->CI->Settings_Model->get_setting('company_name');
-        $mail->AddAddress($user_email); // "Name" argument crushes the phpmailer class.
+        $mail->From         = $company_settings['company_email'];
+        $mail->FromName     = $company_settings['$company_name'];
+        $mail->AddAddress($to_address); // "Name" argument crushes the phpmailer class.
         $mail->IsHTML(true);
         $mail->CharSet      = 'UTF-8';
         $mail->Subject      = 'Appointment Cancelled';
@@ -201,21 +208,7 @@ class Notifications {
         
         return TRUE;
     }
-    
-    /**
-     * Send delete appointment notification.
-     * 
-     * This method should be called after the appointment has been deleted.
-     * 
-     * <strong>IMPORTANT!</strong> This method's arguments should be taken 
-     * from database before the appointment record is deleted.
-     */
-    public function send_delete_appointment($appointment_data, $provider_data, 
-            $service_data, $customer_data) {
-        // @task Implement sending delete appointment notification.
-    }
 }
 
-
 /* End of file notifications.php */
 /* Location: ./application/libraries/notifications.php */

src/application/models/services_model.php

@@ -75,7 +75,13 @@ class Services_Model extends CI_Model {
      * database services.
      */
     function get_available_services() {
-        return $this->db->get('ea_services')->result_array();
+    	$this->db->distinct();
+        return $this->db
+        		->select('ea_services.*')
+        		->from('ea_services')
+        		->join('ea_services_providers', 
+        				'ea_services_providers.id_services = ea_services.id', 'inner')
+        		->get()->result_array();
     }
 }
 

src/assets/js/backend.js

@@ -66,8 +66,6 @@ var Backend = {
         
         notificationHtml += '</div>';
         
-        var leftValue = window.innerWidth / 2 - $('body .notification').width() - 200;
-        
         $('#notification').html(notificationHtml);
         $('#notification').show('blind');
     }

src/assets/js/backend_calendar.js

@@ -69,7 +69,7 @@ var BackendCalendar = {
                     provider['first_name'] + ' ' + provider['last_name'] + '</option>';
         });
         optgroupHtml += '</optgroup>';
-        $('#select-filter-item').append(optgroupHtml)
+        $('#select-filter-item').append(optgroupHtml);
         
         optgroupHtml = '<optgroup label="Services">';
         $.each(GlobalVariables.availableServices, function(index, service) {
@@ -78,7 +78,7 @@ var BackendCalendar = {
                     service['name'] + '</option>';
         });
         optgroupHtml += '</optgroup>';
-        $('#select-filter-item').append(optgroupHtml)
+        $('#select-filter-item').append(optgroupHtml);
         
         // :: BIND THE DEFAULT EVENT HANDLERS
         if (defaultEventHandlers === true) {
@@ -239,18 +239,19 @@ var BackendCalendar = {
                     
                     $.post(postUrl, postData, function(response) {
                         /////////////////////////////////////////////////////////
-                        console.log('Delete Appointment Response :', response);
+                        //console.log('Delete Appointment Response :', response);
                         /////////////////////////////////////////////////////////
                         
+                        $('#message_box').dialog('close');
+                        
                         if (response.error) {
                             GeneralFunctions.displayMessageBox('Delete Appointment Error',
-                                'An unexpected error occured during the deletion of the ' 
-                                + 'appointment. Please try again.');
+                                'An unexpected error occured during the deletion of the ' + 
+                                'appointment. Please try again.');
                             return;
                         }
                         
-                        // Close dialog and refresh calendar events.
-                        $('#message_box').dialog('close');
+                        // Refresh calendar event items.                        
                         $('#select-filter-item').trigger('change');
                         
                     }, 'json');

src/assets/js/general_functions.js

@@ -111,14 +111,14 @@ var GeneralFunctions = {
      * @returns {String} Returns the transformed string.
      */
     ISODateString: function(dt){
-        function pad(n){return n<10 ? '0'+n : n}
+        function pad(n){return n<10 ? '0'+n : n;}
 
         return dt.getUTCFullYear()+'-'
              + pad(dt.getUTCMonth()+1)+'-'
              + pad(dt.getUTCDate())+'T'
              + pad(dt.getUTCHours())+':'
              + pad(dt.getUTCMinutes())+':'
-             + pad(dt.getUTCSeconds())+'Z'
+             + pad(dt.getUTCSeconds())+'Z';
     },
     
     /**