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<?php
/*
 * Xibo - Digital Signage - http://www.xibo.org.uk
 * Copyright (C) 2015 Spring Signage Ltd
 *
 * This file (WidgetFactory.php) is part of Xibo.
 *
 * Xibo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * Xibo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Xibo.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Xibo\Factory;

use Xibo\Entity\User;
use Xibo\Entity\Widget;
use Xibo\Exception\NotFoundException;
use Xibo\Service\DateServiceInterface;
use Xibo\Service\LogServiceInterface;
use Xibo\Service\SanitizerServiceInterface;
use Xibo\Storage\StorageServiceInterface;

/**
 * Class WidgetFactory
 * @package Xibo\Factory
 */
class WidgetFactory extends BaseFactory
{

/** @var  DateServiceInterface */
    private $dateService;

/**
     * @var WidgetOptionFactory
     */
    private $widgetOptionFactory;

/**
     * @var WidgetMediaFactory
     */
    private $widgetMediaFactory;

/** @var  WidgetAudioFactory */
    private $widgetAudioFactory;

/**
     * @var PermissionFactory
     */
    private $permissionFactory;

/** @var  DisplayFactory */
    private $displayFactory;

/**
     * Construct a factory
     * @param StorageServiceInterface $store
     * @param LogServiceInterface $log
     * @param SanitizerServiceInterface $sanitizerService
     * @param User $user
     * @param UserFactory $userFactory
     * @param DateServiceInterface $date
     * @param WidgetOptionFactory $widgetOptionFactory
     * @param WidgetMediaFactory $widgetMediaFactory
     * @param WidgetAudioFactory $widgetAudioFactory
     * @param PermissionFactory $permissionFactory
     * @param DisplayFactory $displayFactory
     *
     */
    public function __construct($store, $log, $sanitizerService, $user, $userFactory, $date, $widgetOptionFactory, $widgetMediaFactory, $widgetAudioFactory, $permissionFactory, $displayFactory)
    {
        $this->setCommonDependencies($store, $log, $sanitizerService);
        $this->setAclDependencies($user, $userFactory);
        $this->dateService = $date;
        $this->widgetOptionFactory = $widgetOptionFactory;
        $this->widgetMediaFactory = $widgetMediaFactory;
        $this->widgetAudioFactory = $widgetAudioFactory;
        $this->permissionFactory = $permissionFactory;
        $this->displayFactory = $displayFactory;
    }

/**
     * Create Empty
     * @return Widget
     */
    public function createEmpty()
    {
        return new Widget(
            $this->getStore(),
            $this->getLog(),
            $this->dateService,
            $this->widgetOptionFactory,
            $this->widgetMediaFactory,
            $this->widgetAudioFactory,
            $this->permissionFactory,
            $this->displayFactory
        );
    }

/**
     * Load widgets by Playlist ID
     * @param int $playlistId
     * @return array[Widget]
     */
    public function getByPlaylistId($playlistId)
    {
        return $this->query(null, array('disableUserCheck' => 1, 'playlistId' => $playlistId));
    }

/**
     * Load widgets by MediaId
     * @param int $mediaId
     * @return array[Widget]
     */
    public function getByMediaId($mediaId)
    {
        return $this->query(null, array('disableUserCheck' => 1, 'mediaId' => $mediaId));
    }

/**
     * Get widget by widget id
     * @param $widgetId
     * @return Widget
     */
    public function getById($widgetId)
    {
        $widgets = $this->query(null, array('disableUserCheck' => 1, 'widgetId' => $widgetId));
        return $widgets[0];
    }

/**
     * Load widget by widget id
     * @param $widgetId
     * @return Widget
     * @throws NotFoundException
     */
    public function loadByWidgetId($widgetId)
    {
        $widgets = $this->query(null, array('disableUserCheck' => 1, 'widgetId' => $widgetId));

if (count($widgets) <= 0)
            throw new NotFoundException(__('Widget not found'));

$widget = $widgets[0];
        /* @var Widget $widget */
        $widget->load();
        return $widget;
    }

/**
     * Create a new widget
     * @param int $ownerId
     * @param int $playlistId
     * @param string $type
     * @param int $duration
     * @return Widget
     */
    public function create($ownerId, $playlistId, $type, $duration)
    {
        $widget = $this->createEmpty();
        $widget->ownerId = $ownerId;
        $widget->playlistId = $playlistId;
        $widget->type = $type;
        $widget->duration = $duration;
        $widget->displayOrder = 1;

return $widget;
    }

public function query($sortOrder = null, $filterBy = [])
    {
        if ($sortOrder == null)
            $sortOrder = array('displayOrder');

$entries = array();

$params = array();
        $select = '
          SELECT widget.widgetId,
              widget.playlistId,
              widget.ownerId,
              widget.type,
              widget.duration,
              widget.displayOrder,
              `widget`.useDuration,
              `widget`.calculatedDuration
        ';

if (DBVERSION >= 139) {
            $select .= ' , createdDt, modifiedDt ';
        }

$body = '
          FROM `widget`
        ';

if ($this->getSanitizer()->getInt('mediaId', $filterBy) !== null) {
            $body .= '
                INNER JOIN `lkwidgetmedia`
                ON `lkwidgetmedia`.widgetId = widget.widgetId
                    AND `lkwidgetmedia`.mediaId = :mediaId
            ';
            $params['mediaId'] = $this->getSanitizer()->getInt('mediaId', $filterBy);
        }

$body .= ' WHERE 1 = 1 ';

// Permissions
        $this->viewPermissionSql('Xibo\Entity\Widget', $body, $params, 'widget.widgetId', 'widget.ownerId', $filterBy);

if ($this->getSanitizer()->getInt('playlistId', $filterBy) !== null) {
            $body .= ' AND playlistId = :playlistId';
            $params['playlistId'] = $this->getSanitizer()->getInt('playlistId', $filterBy);
        }

if ($this->getSanitizer()->getInt('widgetId', $filterBy) !== null) {
            $body .= ' AND widgetId = :widgetId';
            $params['widgetId'] = $this->getSanitizer()->getInt('widgetId', $filterBy);
        }

// Sorting?
        $order = '';
        if (is_array($sortOrder))
            $order .= ' ORDER BY ' . implode(',', $sortOrder);

$limit = '';
        // Paging
        if ($filterBy !== null && $this->getSanitizer()->getInt('start', $filterBy) !== null && $this->getSanitizer()->getInt('length', $filterBy) !== null) {
            $limit = ' LIMIT ' . intval($this->getSanitizer()->getInt('start', $filterBy), 0) . ', ' . $this->getSanitizer()->getInt('length', 10, $filterBy);
        }

// The final statements
        $sql = $select . $body . $order . $limit;

foreach ($this->getStore()->select($sql, $params) as $row) {
            $entries[] = $this->createEmpty()->hydrate($row, ['intProperties' => ['duration', 'createdDt', 'modifiedDt']]);
        }

// Paging
        if ($limit != '' && count($entries) > 0) {
            $results = $this->getStore()->select('SELECT COUNT(*) AS total ' . $body, $params);
            $this->_countLast = intval($results[0]['total']);
        }

return $entries;
    }
}