update with latest changes and DE translations

formwidgets/ClearCacheButton.php

@@ -0,0 +1,35 @@
+<?php namespace NicoSt\GCalendar\FormWidgets;
+
+use Backend\Classes\FormWidgetBase;
+use Cache;
+use Log;
+use Flash;
+use Lang;
+
+use NicoSt\GCalendar\Models\Settings;
+
+class ClearCacheButton extends FormWidgetBase {
+
+    protected $defaultAlias = 'clearCacheButton';
+
+    private $cacheKeyCalendarList = 'GCalendar-CalendarList';
+    private $cacheKeyCalendarGet = 'GCalendar-CalendarGet#';
+    
+    public function render() {
+        return $this->makePartial('clearCacheButton');
+    }
+
+    // Clear cache for all saved calendars
+    public function onClearCache() {
+        $calendarSelectors = Settings::get('calendar_selector', []);
+
+        foreach ($calendarSelectors as &$selector) {
+            Cache::forget($this->cacheKeyCalendarGet.$selector['id']);
+        }
+        Cache::forget($this->cacheKeyCalendarList);
+
+        Log::info('G-Calendar: Cache cleared!');
+        Flash::success(Lang::get('nicost.gcalendar::lang.widget.clearCacheButton.success'));
+    }
+
+}