now using new APIv2 field for _remaining_capacity

fulcrm_shoppingcart.module

@@ -500,35 +500,6 @@ function fulcrm_shoppingcart_event_has_capacity( $event_id ) {
     return TRUE;
 }
 
-function fulcrm_shoppingcart_eventslot_has_capacity( $eventslot_id ) {
-    $capacity = null;
-    $count = null;
-    $api_data = fulcrm_apiv2_GET( 'eventslot/' . $event_id . '/',
-                                  $query = array( 'expand' => 'eventpart,eventpart.event' ) );
-    if ( $api_data[ 'success' ] ) {
-        $capacities = array( $api_data[ 'data' ][ 'eventpart' ][ 'event' ][ 'capacity' ],
-                             $api_data[ 'data' ][ 'eventpart' ][ 'capacity' ],
-                             $api_data[ 'data' ][ 'capacity' ] );
-        foreach ( $capacities as $cap ) {
-            if ( !is_null( $cap ) )
-                $capacity = $cap;
-        }
-    }
-
-    $api_data = fulcrm_apiv2_GET( 'eventslotbooking/', $query = array( 'eventslot' => $eventslot_id,
-                                                                       'eventbooking__confirmed__isnull' => 'False',
-                                                                       'eventbooking__cancelled__isnull' => 'True',
-                                                                       ) );
-    if ( $api_data[ 'success' ] )
-        $count = $api_data[ 'data' ][ 'count' ];
-
-    if ( !is_null( $capacity ) && !is_null( $count ) ) {
-        if ( $count >= $capacity )
-            return FALSE;
-    }
-    return TRUE;
-}
-
 function fulcrm_shoppingcart_buy_eventbookingtype_form( $form, &$form_state, $person, $eventbookingtype, $product ) {
     $form = array();
 
@@ -613,6 +584,8 @@ function fulcrm_shoppingcart_buy_eventbookingtype_form( $form, &$form_state, $pe
                                                              '#options' => array(),
                                                              );
         $eventslot_id = fulcrm_crypto_object_id_form_value( 'eventslot.id', $eventslot[ 'id' ] );
+        $remaining_capacity = $eventslot[ '_remaining_capacity' ];
+        if ( is_null( $remaining_capacity ) || ( $remaining_capacity > 0 ) )
             $form[ 'eventslots' ][ $eventpart_key ][ '#options' ][ $eventslot_id ] = $eventslot[ 'name' ];
     }
 
@@ -623,12 +596,6 @@ function fulcrm_shoppingcart_buy_eventbookingtype_form( $form, &$form_state, $pe
                 $eventpart[ '#default_value' ] = $option_key;
         } else {
             $choices = true;
-            foreach ( $eventpart[ '#options' ] as $option_key => $option_value ) {
-                $eventslot_id = fulcrm_crypto_get_object_id_form_value( 'eventslot.id', $option_key );
-                if ( $eventslot_id && !fulcrm_shoppingcart_eventslot_has_capacity( $eventslot_id ) ) {
-                    unset( $eventpart[ '#options' ][ $option_key ] );
-                }
-            }
         }
     }