Implement amenity icons mapping.

src/Netzmacht/Contao/Leaflet/Dca/LayerCallbacks.php

@@ -66,6 +66,17 @@ class LayerCallbacks extends Callbacks
      */
     private $translator;
 
+    /**
+     * OSM amenities.
+     *
+     * @var array
+     */
+    private $amenities;
+    /**
+     * @var Manager
+     */
+    private $manager;
+
     /**
      * Construct.
      *
@@ -74,23 +85,26 @@ class LayerCallbacks extends Callbacks
      * @param Translator $translator    Translator.
      * @param array      $layers        Leaflet layer configuration.
      * @param array      $tileProviders Tile providers.
+     * @param array      $amenities     OSM amenities
      */
     public function __construct(
         Manager $manager,
         \Database $database,
         Translator $translator,
         array $layers,
-        array $tileProviders
+        array $tileProviders,
+        array $amenities
     ) {
         parent::__construct($manager);
 
+        \Controller::loadLanguageFile('leaflet_layer');
+
         $this->database      = $database;
         $this->layers        = $layers;
         $this->tileProviders = $tileProviders;
-
-        \Controller::loadLanguageFile('leaflet_layer');
-
-        $this->translator = $translator;
+        $this->manager       = $manager;
+        $this->translator    = $translator;
+        $this->amenities     = $amenities;
     }
 
     /**
@@ -359,6 +373,16 @@ class LayerCallbacks extends Callbacks
             ->getOptions();
     }
 
+    /**
+     * Get all know osm amenities as options.
+     *
+     * @return array
+     */
+    public function getAmenities()
+    {
+        return $this->amenities;
+    }
+
     /**
      * Generate a button.
      *

src/Netzmacht/Contao/Leaflet/Mapper/Layer/OverpassLayerMapper.php

@@ -14,6 +14,7 @@ use Model;
 use Netzmacht\Contao\Leaflet\Definition\Layer\OverpassLayer;
 use Netzmacht\Contao\Leaflet\Filter\Filter;
 use Netzmacht\Contao\Leaflet\Mapper\DefinitionMapper;
+use Netzmacht\Contao\Leaflet\Model\IconModel;
 use Netzmacht\JavascriptBuilder\Type\Expression;
 use Netzmacht\LeafletPHP\Definition;
 
@@ -66,6 +67,9 @@ class OverpassLayerMapper extends AbstractLayerMapper
             return;
         }
 
+        $amenityIconsMap = $this->buildAmenityIconsMap($model);
+        $definition->setOption('amenityIcons', $amenityIconsMap);
+
         if ($model->pointToLayer) {
             $definition->setPointToLayer(new Expression($model->pointToLayer));
         }
@@ -74,4 +78,43 @@ class OverpassLayerMapper extends AbstractLayerMapper
             $definition->setOnEachFeature(new Expression($model->onEachFeature));
         }
     }
+
+    /**
+     * Build the amenity icons map.
+     *
+     * @param Model $model Definition model.
+     *
+     * @return array
+     */
+    protected function buildAmenityIconsMap(Model $model)
+    {
+        $amenityIconsConfig = deserialize($model->amenityIcons, true);
+        $amenityIconsMap    = [];
+        foreach ($amenityIconsConfig as $config) {
+            if (!$config['amenity'] || !$config['icon']) {
+                continue;
+            }
+
+            $amenityIconsMap[$config['amenity']] = $config['icon'];
+        }
+
+        if ($amenityIconsMap) {
+            $collection    = IconModel::findMultipleByIds(array_unique($amenityIconsMap));
+            $icons         = [];
+
+            if ($collection) {
+                foreach ($collection as $iconModel) {
+                    $icons[$iconModel->id] = $iconModel->alias ?: $iconModel->id;
+                }
+
+                foreach ($amenityIconsMap as $amenity => $iconId) {
+                    if (isset($icons[$iconId])) {
+                        $amenityIconsMap[$amenity] = $icons[$iconId];
+                    }
+                }
+            }
+        }
+
+        return $amenityIconsMap;
+    }
 }