<?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'));
    }

}