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<?php
/*
 * Xibo - Digital Signage - http://www.xibo.org.uk
 * Copyright (C) 2012-2014 Daniel Garner
 *
 * This file 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\Controller;

use Xibo\Entity\Permission;
use Xibo\Exception\AccessDeniedException;
use Xibo\Exception\InvalidArgumentException;
use Xibo\Exception\XiboException;
use Xibo\Factory\CampaignFactory;
use Xibo\Factory\LayoutFactory;
use Xibo\Factory\PermissionFactory;
use Xibo\Factory\TagFactory;
use Xibo\Factory\UserGroupFactory;
use Xibo\Service\ConfigServiceInterface;
use Xibo\Service\DateServiceInterface;
use Xibo\Service\LogServiceInterface;
use Xibo\Service\SanitizerServiceInterface;

/**
 * Class Campaign
 * @package Xibo\Controller
 */
class Campaign extends Base
{
    /**
     * @var CampaignFactory
     */
    private $campaignFactory;

/**
     * @var LayoutFactory
     */
    private $layoutFactory;

/**
     * @var TagFactory
     */
    private $tagFactory;

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

/**
     * @var UserGroupFactory
     */
    private $userGroupFactory;

/**
     * Set common dependencies.
     * @param LogServiceInterface $log
     * @param SanitizerServiceInterface $sanitizerService
     * @param \Xibo\Helper\ApplicationState $state
     * @param \Xibo\Entity\User $user
     * @param \Xibo\Service\HelpServiceInterface $help
     * @param DateServiceInterface $date
     * @param ConfigServiceInterface $config
     * @param CampaignFactory $campaignFactory
     * @param LayoutFactory $layoutFactory
     * @param PermissionFactory $permissionFactory
     * @param UserGroupFactory $userGroupFactory
     * @param TagFactory $tagFactory
     */
    public function __construct($log, $sanitizerService, $state, $user, $help, $date, $config, $campaignFactory, $layoutFactory, $permissionFactory, $userGroupFactory, $tagFactory)
    {
        $this->setCommonDependencies($log, $sanitizerService, $state, $user, $help, $date, $config);

$this->campaignFactory = $campaignFactory;
        $this->layoutFactory = $layoutFactory;
        $this->permissionFactory = $permissionFactory;
        $this->userGroupFactory = $userGroupFactory;
        $this->tagFactory = $tagFactory;
    }

public function displayPage()
    {
        $this->getState()->template = 'campaign-page';
    }

/**
     * Returns a Grid of Campaigns
     *
     * @SWG\Get(
     *  path="/campaign",
     *  operationId="campaignSearch",
     *  tags={"campaign"},
     *  summary="Search Campaigns",
     *  description="Search all Campaigns this user has access to",
     *  @SWG\Parameter(
     *      name="campaignId",
     *      in="formData",
     *      description="Filter by Campaign Id",
     *      type="integer",
     *      required=false
     *   ),
     *  @SWG\Parameter(
     *      name="name",
     *      in="formData",
     *      description="Filter by Name",
     *      type="string",
     *      required=false
     *   ),
     *   @SWG\Parameter(
     *      name="tags",
     *      in="formData",
     *      description="Filter by Tags",
     *      type="string",
     *      required=false
     *   ),
     *  @SWG\Parameter(
     *      name="hasLayouts",
     *      in="formData",
     *      description="Filter by has layouts",
     *      type="integer",
     *      required=false
     *   ),
     *  @SWG\Response(
     *      response=200,
     *      description="successful operation",
     *      @SWG\Schema(
     *          type="array",
     *          @SWG\Items(ref="#/definitions/Campaign")
     *      )
     *  )
     * )
     */
    public function grid()
    {
        $filter = [
            'campaignId' => $this->getSanitizer()->getInt('campaignId'),
            'name' => $this->getSanitizer()->getString('name'),
            'tags' => $this->getSanitizer()->getString('tags'),
            'hasLayouts' => $this->getSanitizer()->getInt('hasLayouts')
        ];

$options = [
            'totalDuration' => 1,
        ];

$campaigns = $this->campaignFactory->query($this->gridRenderSort(), $this->gridRenderFilter($filter), $options);

foreach ($campaigns as $campaign) {
            /* @var \Xibo\Entity\Campaign $campaign */

if ($this->isApi())
                break;

$campaign->includeProperty('buttons');
            $campaign->buttons = [];

// Schedule Now
            $campaign->buttons[] = array(
                'id' => 'campaign_button_schedulenow',
                'url' => $this->urlFor('schedule.now.form', ['id' => $campaign->campaignId, 'from' => 'Campaign']),
                'text' => __('Schedule Now')
            );

// Preview
            $campaign->buttons[] = array(
                'id' => 'campaign_button_preview',
                'linkType' => '_blank',
                'external' => true,
                'url' => $this->urlFor('campaign.preview', ['id' => $campaign->campaignId]),
                'text' => __('Preview Campaign')
            );

// Buttons based on permissions
            if ($this->getUser()->checkEditable($campaign)) {

$campaign->buttons[] = ['divider' => true];

// Assign Layouts
                $campaign->buttons[] = array(
                    'id' => 'campaign_button_layouts',
                    'url' => $this->urlFor('campaign.layouts.form', ['id' => $campaign->campaignId]),
                    'text' => __('Layouts')
                );

$campaign->buttons[] = ['divider' => true];

// Edit the Campaign
                $campaign->buttons[] = array(
                    'id' => 'campaign_button_edit',
                    'url' => $this->urlFor('campaign.edit.form', ['id' => $campaign->campaignId]),
                    'text' => __('Edit')
                );
            } else {
                $campaign->buttons[] = ['divider' => true];
            }

if ($this->getUser()->checkDeleteable($campaign)) {
                // Delete Campaign
                $campaign->buttons[] = array(
                    'id' => 'campaign_button_delete',
                    'url' => $this->urlFor('campaign.delete.form', ['id' => $campaign->campaignId]),
                    'text' => __('Delete'),
                    'multi-select' => true,
                    'dataAttributes' => array(
                        array('name' => 'commit-url', 'value' => $this->urlFor('campaign.delete', ['id' => $campaign->campaignId])),
                        array('name' => 'commit-method', 'value' => 'delete'),
                        array('name' => 'id', 'value' => 'campaign_button_delete'),
                        array('name' => 'text', 'value' => __('Delete')),
                        array('name' => 'rowtitle', 'value' => $campaign->campaign)
                    )
                );
            }

if ($this->getUser()->checkPermissionsModifyable($campaign)) {

$campaign->buttons[] = ['divider' => true];

// Permissions for Campaign
                $campaign->buttons[] = array(
                    'id' => 'campaign_button_permissions',
                    'url' => $this->urlFor('user.permissions.form', ['entity' => 'Campaign', 'id' => $campaign->campaignId]),
                    'text' => __('Permissions')
                );
            }
        }

$this->getState()->template = 'grid';
        $this->getState()->recordsTotal = $this->campaignFactory->countLast();
        $this->getState()->setData($campaigns);
    }

/**
     * Campaign Add Form
     */
    public function addForm()
    {
        $this->getState()->template = 'campaign-form-add';
        $this->getState()->setData([
            'help' => $this->getHelp()->link('Campaign', 'Add')
        ]);
    }

/**
     * Add a Campaign
     *
     * @SWG\Post(
     *  path="/campaign",
     *  operationId="campaignAdd",
     *  tags={"campaign"},
     *  summary="Add Campaign",
     *  description="Add a Campaign",
     *  @SWG\Parameter(
     *      name="name",
     *      in="formData",
     *      description="Name for this Campaign",
     *      type="string",
     *      required=true
     *   ),
     *  @SWG\Response(
     *      response=201,
     *      description="successful operation",
     *      @SWG\Schema(ref="#/definitions/Campaign"),
     *      @SWG\Header(
     *          header="Location",
     *          description="Location of the new record",
     *          type="string"
     *      )
     *  )
     * )
     */
    public function add()
    {
        $campaign = $this->campaignFactory->create($this->getSanitizer()->getString('name'), $this->getUser()->userId, $this->getSanitizer()->getString('tags'));
        $campaign->save();

// Permissions
        foreach ($this->permissionFactory->createForNewEntity($this->getUser(), get_class($campaign), $campaign->getId(), $this->getConfig()->GetSetting('LAYOUT_DEFAULT'), $this->userGroupFactory) as $permission) {
            /* @var Permission $permission */
            $permission->save();
        }

// Return
        $this->getState()->hydrate([
            'httpStatus' => 201,
            'message' => sprintf(__('Added %s'), $campaign->campaign),
            'id' => $campaign->campaignId,
            'data' => $campaign
        ]);
    }

/**
     * Campaign Edit Form
     * @param int $campaignId
     */
    public function editForm($campaignId)
    {
        $campaign = $this->campaignFactory->getById($campaignId);

if (!$this->getUser()->checkEditable($campaign))
            throw new AccessDeniedException();

$this->getState()->template = 'campaign-form-edit';
        $this->getState()->setData([
            'campaign' => $campaign,
            'help' => $this->getHelp()->link('Campaign', 'Edit')
        ]);
    }

/**
     * Edit a Campaign
     * @param int $campaignId
     *
     * @SWG\Put(
     *  path="/campaign/{campaignId}",
     *  operationId="campaignEdit",
     *  tags={"campaign"},
     *  summary="Edit Campaign",
     *  description="Edit an existing Campaign",
     *  @SWG\Parameter(
     *      name="campaignId",
     *      in="path",
     *      description="The Campaign ID to Edit",
     *      type="integer",
     *      required=true
     *   ),
     *  @SWG\Parameter(
     *      name="name",
     *      in="formData",
     *      description="Name for this Campaign",
     *      type="string",
     *      required=true
     *   ),
     *  @SWG\Response(
     *      response=200,
     *      description="successful operation",
     *      @SWG\Schema(ref="#/definitions/Campaign")
     *  )
     * )
     */
    public function edit($campaignId)
    {
        $campaign = $this->campaignFactory->getById($campaignId);

if (!$this->getUser()->checkEditable($campaign))
            throw new AccessDeniedException();

$campaign->campaign = $this->getSanitizer()->getString('name');
        $campaign->replaceTags($this->tagFactory->tagsFromString($this->getSanitizer()->getString('tags')));
        $campaign->save([
            'saveTags' => true
        ]);

// Return
        $this->getState()->hydrate([
            'message' => sprintf(__('Edited %s'), $campaign->campaign),
            'id' => $campaign->campaignId,
            'data' => $campaign
        ]);
    }

/**
     * Shows the Delete Group Form
     * @param int $campaignId
     */
    function deleteForm($campaignId)
    {
        $campaign = $this->campaignFactory->getById($campaignId);

if (!$this->getUser()->checkDeleteable($campaign))
            throw new AccessDeniedException();

$this->getState()->template = 'campaign-form-delete';
        $this->getState()->setData([
            'campaign' => $campaign,
            'help' => $this->getHelp()->link('Campaign', 'Delete')
        ]);
    }

/**
     * Delete Campaign
     * @param int $campaignId
     *
     * @SWG\Delete(
     *  path="/campaign/{campaignId}",
     *  operationId="campaignDelete",
     *  tags={"campaign"},
     *  summary="Delete Campaign",
     *  description="Delete an existing Campaign",
     *  @SWG\Parameter(
     *      name="campaignId",
     *      in="path",
     *      description="The Campaign ID to Delete",
     *      type="integer",
     *      required=true
     *   ),
     *  @SWG\Response(
     *      response=204,
     *      description="successful operation"
     *  )
     * )
     *
     * @throws XiboException
     */
    public function delete($campaignId)
    {
        $campaign = $this->campaignFactory->getById($campaignId);

if (!$this->getUser()->checkDeleteable($campaign))
            throw new AccessDeniedException();

$campaign->setChildObjectDependencies($this->layoutFactory);

$campaign->delete();

// Return
        $this->getState()->hydrate([
            'httpStatus' => 204,
            'message' => sprintf(__('Deleted %s'), $campaign->campaign)
        ]);
    }

/**
     * Layouts form
     * @param int $campaignId
     * @throws XiboException
     */
    public function layoutsForm($campaignId)
    {
        $campaign = $this->campaignFactory->getById($campaignId);

if (!$this->getUser()->checkEditable($campaign))
            throw new AccessDeniedException();

$layouts = [];
        foreach ($this->layoutFactory->getByCampaignId($campaignId, false) as $layout) {
            if (!$this->getUser()->checkViewable($layout)) {
                // Hide all layout details from the user
                $emptyLayout = $this->layoutFactory->createEmpty();
                $emptyLayout->layoutId = $layout->layoutId;
                $emptyLayout->layout = __('Layout');
                $emptyLayout->locked = true;

$layouts[] = $emptyLayout;
            } else {
                $layouts[] = $layout;
            }
        }

$this->getState()->template = 'campaign-form-layouts';
        $this->getState()->setData([
            'campaign' => $campaign,
            'layouts' => $layouts,
            'help' => $this->getHelp()->link('Campaign', 'Layouts')
        ]);
    }

/**
     * Model to use for supplying key/value pairs to arrays
     * @SWG\Definition(
     *  definition="LayoutAssignmentArray",
     *  @SWG\Property(
     *      property="layoutId",
     *      type="integer"
     *  ),
     *  @SWG\Property(
     *      property="displayOrder",
     *      type="integer"
     *  )
     * )
     */

/**
     * Assigns a layout to a Campaign
     * @param int $campaignId
     *
     * @SWG\Post(
     *  path="/campaign/layout/assign/{campaignId}",
     *  operationId="campaignAssignLayout",
     *  tags={"campaign"},
     *  summary="Assign Layouts",
     *  description="Assign Layouts to a Campaign",
     *  @SWG\Parameter(
     *      name="campaignId",
     *      in="path",
     *      description="The Campaign ID",
     *      type="integer",
     *      required=true
     *   ),
     *  @SWG\Parameter(
     *      name="layoutId",
     *      in="formData",
     *      description="Array of Layout ID/Display Orders to Assign",
     *      type="array",
     *      required=true,
     *      @SWG\Items(
     *          ref="#/definitions/LayoutAssignmentArray"
     *      )
     *   ),
     *  @SWG\Parameter(
     *      name="unassignLayoutId",
     *      in="formData",
     *      description="Array of Layout ID/Display Orders to unassign",
     *      type="array",
     *      required=false,
     *      @SWG\Items(
     *          ref="#/definitions/LayoutAssignmentArray"
     *      )
     *   ),
     *  @SWG\Response(
     *      response=204,
     *      description="successful operation"
     *  )
     * )
     *
     * @throws XiboException
     */
    public function assignLayout($campaignId)
    {
        $this->getLog()->debug('assignLayout with campaignId ' . $campaignId);

$campaign = $this->campaignFactory->getById($campaignId);

if (!$this->getUser()->checkEditable($campaign))
            throw new AccessDeniedException();

// Make sure this is a non-layout specific campaign
        if ($campaign->isLayoutSpecific == 1)
            throw new InvalidArgumentException(__('You cannot change the assignment of a Layout Specific Campaign'),'campaignId');

$campaign->setChildObjectDependencies($this->layoutFactory);

// Track whether we've made any changes.
        $changesMade = false;

// Check our permissions to see each one
        $layouts = $this->getSanitizer()->getParam('layoutId', null);
        $layouts = is_array($layouts) ? $layouts : [];

$this->getLog()->debug('There are %d Layouts to assign', count($layouts));

foreach ($layouts as $object) {

$layout = $this->layoutFactory->getById($this->getSanitizer()->getInt('layoutId', $object));

// Check to see if this layout is already assigned
            // if it is, then we have permission to move it around
            if (!$this->getUser()->checkViewable($layout) && !$campaign->isLayoutAssigned($layout))
                throw new AccessDeniedException(__('You do not have permission to assign the provided Layout'));

// Set the Display Order
            $layout->displayOrder = $this->getSanitizer()->getInt('displayOrder', $object);

// Assign it
            $campaign->assignLayout($layout);

$changesMade = true;
        }

// Run through the layouts to unassign
        $layouts = $this->getSanitizer()->getParam('unassignLayoutId', null);
        $layouts = is_array($layouts) ? $layouts : [];
        
        $this->getLog()->debug('There are %d Layouts to unassign', count($layouts));
        
        foreach ($layouts as $object) {

$layout = $this->layoutFactory->getById($this->getSanitizer()->getInt('layoutId', $object));

if (!$this->getUser()->checkViewable($layout) && !$campaign->isLayoutAssigned($layout))
                throw new AccessDeniedException(__('You do not have permission to assign the provided Layout'));

// Set the Display Order
            $layout->displayOrder = $this->getSanitizer()->getInt('displayOrder', $object);

// Unassign it
            $campaign->unassignLayout($layout);

$changesMade = true;
        }

// Save the campaign
        if ($changesMade)
            $campaign->save(['validate' => false]);

// Return
        $this->getState()->hydrate([
            'httpStatus' => 204,
            'message' => sprintf(__('Assigned Layouts to %s'), $campaign->campaign)
        ]);
    }

/**
     * Unassign a layout to a Campaign
     * @param int $campaignId
     *
     * SWG\Post(
     *  path="/campaign/layout/unassign/{campaignId}",
     *  operationId="campaignUnassignLayout",
     *  tags={"campaign"},
     *  summary="Unassign Layouts",
     *  description="Unassign Layouts from a Campaign",
     *  SWG\Parameter(
     *      name="campaignId",
     *      in="path",
     *      description="The Campaign ID",
     *      type="integer",
     *      required=true
     *   ),
     *  SWG\Parameter(
     *      name="layoutId",
     *      in="formData",
     *      description="Array of Layout IDs to Unassign",
     *      type="array",
     *      required=true,
     *      SWG\Items(
     *          ref="#/definitions/LayoutAssignmentArray"
     *      )
     *   ),
     *  SWG\Response(
     *      response=204,
     *      description="successful operation"
     *  )
     * )
     *
     * @throws XiboException
     */
    public function unassignLayout($campaignId)
    {
        $campaign = $this->campaignFactory->getById($campaignId);

if (!$this->getUser()->checkEditable($campaign))
            throw new AccessDeniedException();

$campaign->setChildObjectDependencies($this->layoutFactory);

$layouts = $this->getSanitizer()->getIntArray('layoutId');

if (count($layouts) <= 0)
            throw new \InvalidArgumentException(__('Layouts not provided'));

// Check our permissions to see each one
        $layouts = $this->getSanitizer()->getParam('layoutId', null);
        $layouts = is_array($layouts) ? $layouts : [];
        foreach ($layouts as $object) {
            $layout = $this->layoutFactory->getById($this->getSanitizer()->getInt('layoutId', $object));

// Set the Display Order
            $layout->displayOrder = $this->getSanitizer()->getInt('displayOrder', $object);

// Unassign it
            $campaign->unassignLayout($layout);
        }

$campaign->save(['validate' => false]);

// Return
        $this->getState()->hydrate([
            'httpStatus' => 204,
            'message' => sprintf(__('Unassigned Layouts from %s'), $campaign->campaign)
        ]);
    }

/**
     * Returns a Campaign's preview
     * @param int $campaignId
     */
    public function preview($campaignId)
    {
        $campaign = $this->campaignFactory->getById($campaignId);
        $layouts = $this->layoutFactory->getByCampaignId($campaignId);
        $duration = 0 ;
        $extendedLayouts = [];
        foreach($layouts as $layout)
        {
            $duration += $layout->duration;
            $extendedLayouts[] = ['layout' => $layout,
                                  'duration' => $layout->duration,
                                  'previewOptions' => [
                                      'getXlfUrl' => $this->urlFor('layout.getXlf', ['id' => $layout->layoutId]),
                                      'getResourceUrl' => $this->urlFor('module.getResource'),
                                      'libraryDownloadUrl' => $this->urlFor('library.download'),
                                      'layoutBackgroundDownloadUrl' => $this->urlFor('layout.download.background'),
                                      'loaderUrl' => $this->getConfig()->uri('img/loader.gif')]
                                 ];
        }
        $this->getState()->template = 'campaign-preview';
        $this->getState()->setData([
            'campaign' => $campaign,
            'help' => $this->getHelp()->link('Campaign', 'Preview'),
            'layouts' => $layouts,
            'duration' => $duration,
            'extendedLayouts' => $extendedLayouts
        ]);
    }
}