add limit configuration per role by hooking role_edit_form

roblib_bee_limits.module

@@ -21,6 +21,69 @@ function roblib_bee_limits_form_bee_add_reservation_form_alter(&$form, FormState
   $form['#validate'][] = 'roblib_bee_limits_validate_reservation';
 }
 
+/**
+ * Implements hook_form_FORM_ID_alter.
+ *
+ * @param $form
+ * @param \Drupal\Core\Form\FormStateInterface $form_state
+ * @param $form_id
+ */
+function roblib_bee_limits_form_user_role_form_alter(&$form, FormStateInterface $form_state, $form_id){
+  $config = \Drupal::config('roblib_bee_limits.settings');
+  $form['#validate'][] = 'roblib_bee_limits_submit_user_role_form';
+  $form['#submit'][] = 'roblib_bee_limits_validate_user_role_form';
+  $form['roblib_bee_limits_fieldset'] = array(
+    '#type' => 'details',
+    '#title' => t('BEE Hourly Booking Limits'),
+    '#open' => FALSE,
+  );
+  $role_machine_name = $form['id']['#default_value'];
+  $form['roblib_bee_limits_fieldset']['active_bookings_allowed'] = array(
+    '#type' => 'number',
+    '#default_value' => $config->get($role_machine_name . '_active_bookings_allowed'),
+    '#title' => t('Active Bookings Allowed'),
+    '#min' => 0,
+    '#max' => 1000,
+    '#size' => 4,
+  );
+  $form['roblib_bee_limits_fieldset']['max_booking_duration'] = array(
+    '#type' => 'number',
+    '#default_value' => $config->get($role_machine_name . '_max_booking_duration'),
+    '#title' => t('Max Booking Duration (in minutes)'),
+    '#min' => 0,
+    '#max' => 1440,
+    '#size' => 4,
+  );
+}
+
+/**
+ * Additional form validation for role_edit_form.
+ *
+ *
+ * @param $form
+ * @param \Drupal\Core\Form\FormStateInterface $form_state
+ *
+ * @throws \Exception
+ */
+function roblib_bee_limits_validate_user_role_form($form, FormStateInterface $form_state) {
+  //for now validation is handled by the FAPI number element
+}
+
+/**
+ * Additional submit handler for role edit form.
+ *
+ * @param $form
+ * @param \Drupal\Core\Form\FormStateInterface $form_state
+ */
+function roblib_bee_limits_submit_user_role_form($form, FormStateInterface $form_state) {
+  $config_factory = \Drupal::configFactory();
+  $role_machine_name = $form['id']['#default_value'];
+  $config_factory->getEditable('roblib_bee_limits.settings')
+    ->set($role_machine_name . '_active_bookings_allowed', $form_state->getValue('active_bookings_allowed'))
+    ->set($role_machine_name . '_max_booking_duration', $form_state->getValue('max_booking_duration'))
+    ->save();
+}
+
 /**
  * Additional form validation for bee_add_reservation_form.
  *
@@ -33,8 +96,6 @@ function roblib_bee_limits_form_bee_add_reservation_form_alter(&$form, FormState
  */
 function roblib_bee_limits_validate_reservation($form, FormStateInterface $form_state) {
   $user = \Drupal\user\Entity\User::load(\Drupal::currentUser()->id());
-  $roles = $user->getRoles();
-  roblib_bee_limits_check_reservations($user, $form, $form_state);
   $values = $form_state->getValues();
   $node = Node::load($values['node']);
   $config_factory = \Drupal::configFactory();
@@ -43,14 +104,29 @@ function roblib_bee_limits_validate_reservation($form, FormStateInterface $form_
   if($bee_settings['bookable_type'] != 'hourly') {
     return;
   }
+  roblib_bee_limits_check_reservations($user, $form, $form_state);
   $start_date = $values['start_date'];
   $end_date = $values['end_date'];
   $start_timestamp = new \DateTime($start_date->format('Y-m-d H:i'));
   $end_timestamp = new \DateTime($end_date->format('Y-m-d H:i'));
   $minutes_diff = abs($end_timestamp->getTimestamp() - $start_timestamp->getTimestamp()) / 60;
-  if($minutes_diff > 120) {
-    $form_state->setError($form, t('Reservation exceeded max booking time of 2 hours.'));
+  $max_time = roblib_bee_limits_get_max_time($user);
+  if($minutes_diff > $max_time) {
+    $form_state->setError($form, t('Reservation exceeded your max
+    booking time of @max_time minutes.', array('@max_time' => $max_time)));
+  }
+}
+
+function roblib_bee_limits_get_max_time($user){
+  $roles = $user->getRoles();
+  $config = \Drupal::config('roblib_bee_limits.settings');
+  $max_time = 0;
+  foreach($roles as $role){
+    $tmp = $config->get($role . '_max_booking_duration');
+    $tmp = empty($tmp) ? 0 : $tmp;
+    $max_time = $max_time > $tmp ? $max_time : $tmp;
   }
+  return $max_time;
 }
 
 function roblib_bee_limits_check_reservations($user, $form, &$form_state) {
@@ -71,16 +147,22 @@ function roblib_bee_limits_check_reservations($user, $form, &$form_state) {
   }
   $max_bookings_allowed = roblib_bee_limits_get_max_bookings_allowed($user);
   if($max_bookings_allowed != -1 && $active_bookings > $max_bookings_allowed){
-    $form_state->setError($form, t('Reservation exceeded max number of active bookings allowed.'));
+    $form_state->setError($form, t('Reservation exceeded your maximum number
+    of active bookings allowed.  You currently have @active_bookings active reservations,
+    You are allowed @max_bookings .', array('@active_bookings' => $active_bookings,
+      '@max_bookings' => $max_bookings_allowed)));
   }
 }
 
 function roblib_bee_limits_get_max_bookings_allowed($user) {
   $roles = $user->getRoles();
-  $is_admin = array_search('administrator', $roles);
-  if($is_admin) {
-    return -1;
-  }else {
-    return 3;
+  $config = \Drupal::config('roblib_bee_limits.settings');
+  $max_active_bookings = 0;
+  foreach($roles as $role){
+    $tmp = $config->get($role . '_active_bookings_allowed');
+    $tmp = empty($tmp) ? 0 : $tmp;
+    $max_active_bookings = $max_active_bookings > $tmp ? $max_active_bookings : $tmp;
   }
+  //$is_admin = array_search('administrator', $roles);
+  return $max_active_bookings;
 }