Revize dfe43218

+ validace

website/src/OpenDataManager.php

@@ -45 +45 @@
         $available = $this->getAvailableCollections();
         $index = 0;
         foreach ($available as $key => $value) {
-            $command = new Command(['listCollections' => 1, 'filter' => ['name' => $value['name'].$date]]);
-            $result = $this->manager->executeCommand('open-data-db', $command)->toArray();
-
-            if (false == empty($result) && false == array_key_exists($value['name'], $availableInDate)) {
+            if ($this->isCollectionAvailable($value['name'], $date) && false == array_key_exists($value['name'], $availableInDate)) {
                 $availableInDate[$value['name']] = $index++;
             }
         }
@@ -56 +53 @@
         return $availableInDate;
     }
 
+    public function getXthAvailableCollectionByDay($index, $date) {
+        $availableInDate = [];
+        $available = $this->getAvailableCollections();
+        $currentIndex = 0;
+
+        foreach ($available as $key => $value) {
+            if ($this->isCollectionAvailable($value['name'], $date) && false == array_key_exists($value['name'], $availableInDate)) {
+                if ($currentIndex == $index) {
+                    return $value['name'];
+                }
+                else {
+                    $currentIndex++;
+                }
+            }
+        }
+
+        return "";
+    }
+
+    public function isCollectionAvailable($name, $date) {
+
+        $command = new Command(['listCollections' => 1, 'filter' => ['name' => $name.$date]]);
+        $result = $this->manager->executeCommand('open-data-db', $command)->toArray();
+
+        return !empty($result);
+    }
+
     public function getMaxCollectionNumberAtDay($name, $date) {
         $max = $this->manager->executeQuery('open-data-db.'.$name.$date, new Query([], ['sort' => ['number' => -1], 'limit' => 1]));