Adding Stripe link payments

Author: Fernando González

README.md

@@ -53,6 +53,7 @@ The application is designed to be flexible enough so that it can handle any ente
 * Self hosted installation.
 * Translated user interface.
 * User community support. 
+* Service payment by [Stripe Payment links](https://stripe.com/en-gb-es/payments/payment-links) 
 
 ## Setup
 

application/config/config.php

@@ -458,12 +458,24 @@
 | Rate Limiting
 |--------------------------------------------------------------------------
 |
-| Toggle the rate limiting feature in your application. Using rate limiting 
-| will control the number of requests a client can sent to the app. 
+| Toggle the rate limiting feature in your application. Using rate limiting
+| will control the number of requests a client can sent to the app.
 |
 */
 $config['rate_limiting'] = TRUE;
 
 
+/*
+|--------------------------------------------------------------------------
+| Stripe Payment Configuration
+|--------------------------------------------------------------------------
+|
+| Declare some of the global config values of the Stripe Payments
+|
+*/
+
+$config['stripe_payment_feature'] = Config::STRIPE_PAYMENT_FEATURE;
+$config['stripe_api_key'] = Config::STRIPE_API_KEY;
+
 /* End of file config.php */
 /* Location: ./application/config/config.php */

application/controllers/Booking.php

@@ -93,7 +93,7 @@ public function index()
 
         foreach ($available_providers as &$available_provider)
         {
-            // Only expose the required provider data. 
+            // Only expose the required provider data.
 
             $this->providers_model->only($available_provider, [
                 'id',
@@ -170,7 +170,7 @@ public function index()
                 return;
             }
 
-            // Make sure the appointment can still be rescheduled. 
+            // Make sure the appointment can still be rescheduled.
 
             $start_datetime = strtotime($results[0]['start_datetime']);
 
@@ -203,6 +203,7 @@ public function index()
             $provider = $this->providers_model->find($appointment['id_users_provider']);
             $customer = $this->customers_model->find($appointment['id_users_customer']);
             $customer_token = md5(uniqid(mt_rand(), TRUE));
+            $is_paid = $appointment['is_paid'];
 
             // Cache the token for 10 minutes.
             $this->cache->save('customer-token-' . $customer_token, $customer['id'], 600);
@@ -214,6 +215,7 @@ public function index()
             $appointment = NULL;
             $provider = NULL;
             $customer = NULL;
+            $is_paid = 0;
         }
 
         script_vars([
@@ -271,9 +273,11 @@ public function index()
             'grouped_timezones' => $grouped_timezones,
             'manage_mode' => $manage_mode,
             'customer_token' => $customer_token,
+            'is_paid' => $is_paid,
             'appointment_data' => $appointment,
             'provider_data' => $provider,
             'customer_data' => $customer,
+            'company_email' => setting('company_email'),
         ]);
 
         $this->load->view('pages/booking');

application/controllers/Booking_confirmation.php

@@ -30,7 +30,7 @@ public function __construct()
         $this->load->model('providers_model');
         $this->load->model('services_model');
         $this->load->model('customers_model');
-        
+
         $this->load->library('google_sync');
     }
 
@@ -52,14 +52,26 @@ public function of()
 
         $appointment = $occurrences[0];
 
-        $add_to_google_url = $this->google_sync->get_add_to_google_url($appointment['id']); 
+        $add_to_google_url = $this->google_sync->get_add_to_google_url($appointment['id']);
+
+        $service = $this->services_model->find($appointment['id_services']);
+
+        $customer = $this->customers_model->find($appointment['id_users_customer']);
+
+        $payment_link_vars = array(
+            '{$appointment_hash}' => $appointment['hash'],
+            '{$customer_email}' => $customer['email'],
+        );
+        $payment_link = strtr($service['payment_link'], $payment_link_vars);
 
         html_vars([
             'page_title' => lang('success'),
             'company_color' => setting('company_color'),
             'google_analytics_code' => setting('google_analytics_code'),
             'matomo_analytics_url' => setting('matomo_analytics_url'),
             'add_to_google_url' => $add_to_google_url,
+            'is_paid' => $appointment['is_paid'],
+            'payment_link' => $payment_link,
         ]);
 
         $this->load->view('pages/booking_confirmation');

application/controllers/Calendar.php

@@ -134,6 +134,7 @@ public function index(string $appointment_hash = '')
             'secretary_providers' => $secretary_providers,
             'edit_appointment' => $edit_appointment,
             'customers' => $this->customers_model->get(NULL, 50, NULL, 'update_datetime DESC'),
+            'stripe_payment_feature' => config('stripe_payment_feature'),
         ]);
 
         html_vars([
@@ -233,7 +234,7 @@ public function save_appointment()
                 }
 
                 // If the appointment does not contain the customer record id, then it means that is going to be
-                // inserted. 
+                // inserted.
                 if ( ! isset($appointment['id_users_customer']))
                 {
                     $appointment['id_users_customer'] = $customer['id'] ?? $customer_data['id'];
@@ -256,6 +257,7 @@ public function save_appointment()
                     'id_users_provider',
                     'id_users_customer',
                     'id_services',
+                    'is_paid',
                 ]);
 
                 $appointment['id'] = $this->appointments_model->save($appointment);
@@ -636,9 +638,9 @@ public function get_calendar_appointments()
             $end_date = $this->db->escape(date('Y-m-d', strtotime(request('end_date') . ' +1 day')));
 
             $where_clause = $where_id . ' = ' . $record_id . '
-                AND ((start_datetime > ' . $start_date . ' AND start_datetime < ' . $end_date . ') 
-                or (end_datetime > ' . $start_date . ' AND end_datetime < ' . $end_date . ') 
-                or (start_datetime <= ' . $start_date . ' AND end_datetime >= ' . $end_date . ')) 
+                AND ((start_datetime > ' . $start_date . ' AND start_datetime < ' . $end_date . ')
+                or (end_datetime > ' . $start_date . ' AND end_datetime < ' . $end_date . ')
+                or (start_datetime <= ' . $start_date . ' AND end_datetime >= ' . $end_date . '))
                 AND is_unavailability = 0
             ';
 
@@ -657,9 +659,9 @@ public function get_calendar_appointments()
             if ($filter_type == FILTER_TYPE_PROVIDER)
             {
                 $where_clause = $where_id . ' = ' . $record_id . '
-                    AND ((start_datetime > ' . $start_date . ' AND start_datetime < ' . $end_date . ') 
-                    or (end_datetime > ' . $start_date . ' AND end_datetime < ' . $end_date . ') 
-                    or (start_datetime <= ' . $start_date . ' AND end_datetime >= ' . $end_date . ')) 
+                    AND ((start_datetime > ' . $start_date . ' AND start_datetime < ' . $end_date . ')
+                    or (end_datetime > ' . $start_date . ' AND end_datetime < ' . $end_date . ')
+                    or (start_datetime <= ' . $start_date . ' AND end_datetime >= ' . $end_date . '))
                     AND is_unavailability = 1
                 ';