Switch to PSR-4.

2017-10-05 14:16:56 +02:00
parent e3344ffd4f
commit 827c746b0d
87 changed files with 4 additions and 6 deletions
--- a/src/Frontend/DataController.php
+++ b/src/Frontend/DataController.php
@@ -0,0 +1,176 @@
+<?php
+
+/**
+ * @package    contao-leaflet-maps
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2014-2016 netzmacht David Molineus
+ * @license    LGPL 3.0
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Frontend;
+
+use Netzmacht\Contao\Leaflet\Filter\Filter;
+use Netzmacht\Contao\Leaflet\MapProvider;
+
+/**
+ * The data controller handles ajax request for sub data.
+ *
+ * @package Netzmacht\Contao\Leaflet\Frontend
+ */
+class DataController
+{
+    /**
+     * The map provider.
+     *
+     * @var MapProvider
+     */
+    private $mapProvider;
+
+    /**
+     * The user input data.
+     *
+     * @var array
+     */
+    private $input = array(
+        'format' => 'geojson',
+        'type'   => 'layer',
+        'id'     => null,
+        'filter' => null,
+        'values' => null
+    );
+    
+    /**
+     * Filters configuration.
+     * 
+     * @var array
+     */
+    private $filters;
+
+    /**
+     * Display errors.
+     *
+     * @var bool
+     */
+    private $displayErrors;
+
+    /**
+     * Construct.
+     *
+     * @param MapProvider $mapProvider   The map provider.
+     * @param array       $filters       Filters configuration.
+     * @param bool        $displayErrors Display errors.
+     */
+    public function __construct(MapProvider $mapProvider, array $filters, $displayErrors)
+    {
+        $this->mapProvider   = $mapProvider;
+        $this->filters       = $filters;
+        $this->displayErrors = $displayErrors;
+    }
+
+    /**
+     * Execute the controller and create the data response.
+     *
+     * @param array $input The user input as array.
+     *
+     * @return void
+     *
+     * @throws \Exception If anything went wrong.
+     */
+    public function execute(array $input)
+    {
+        $input = array_merge($this->input, $input);
+
+        try {
+            if ($input['filter']) {
+                $filter = $this->createFilter($input);
+            } else {
+                $filter = null;
+            }
+
+            list($data, $error) = $this->loadData($input['type'], $input['id'], $filter);
+            $this->encodeData($input['format'], $data);
+        } catch (\Exception $e) {
+            if ($this->displayErrors) {
+                throw $e;
+            }
+            $error = true;
+        }
+
+        if ($error) {
+            header('HTTP/1.1 500 Internal Server Error');
+        }
+    }
+
+    /**
+     * Encode the data.
+     *
+     * @param string $format The requested format.
+     * @param mixed  $data   The given data.
+     *
+     * @return void
+     */
+    public function encodeData($format, $data)
+    {
+        switch ($format) {
+            case 'geojson':
+                header('Content-Type: application/json');
+                echo json_encode($data, JSON_UNESCAPED_SLASHES);
+                break;
+
+            default:
+                // Blame the code sniffer.
+        }
+    }
+
+    /**
+     * Load the data.
+     *
+     * @param string $type   The data type.
+     * @param mixed  $dataId The data id.
+     * @param Filter $filter Optional request filter.
+     *
+     * @return array
+     */
+    public function loadData($type, $dataId, Filter $filter = null)
+    {
+        $error = false;
+        $data  = null;
+
+        switch ($type) {
+            case 'layer':
+                $data = $this->mapProvider->getFeatureCollection($dataId, $filter);
+                break;
+
+            default:
+                $error = true;
+
+                return array($data, $error);
+        }
+
+        return array($data, $error);
+    }
+
+    /**
+     * Create a filter.
+     *
+     * @param array $input The user input as array.
+     *
+     * @return Filter
+     * @throws \RuntimeException If the filter is not defined.
+     *
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    private function createFilter($input)
+    {
+        if (!isset($this->filters[$input['filter']])) {
+            throw new \RuntimeException(sprintf('Undefined filter "%s".', $input['filter']));
+        }
+
+        /** @var Filter $filter */
+        $filter = $this->filters[$input['filter']];
+
+        return $filter::fromRequest($input['values']);
+    }
+}