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MediaPolicy.php
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<?php
namespace ProcessMaker\Policies;
use Illuminate\Auth\Access\HandlesAuthorization;
use ProcessMaker\Models\Media;
use ProcessMaker\Models\User;
class MediaPolicy
{
use HandlesAuthorization;
/**
* Run before all methods to determine if the
* user is an admin and can do everything.
*
* @param \ProcessMaker\Models\User $user
* @return mixed
*/
public function before(User $user)
{
if ($user->is_administrator) {
return true;
}
}
/**
* Determine whether the user can view the media.
*
* @param \ProcessMaker\Models\User $user
* @param \ProcessMaker\Models\Media $media
* @return mixed
*/
public function view(User $user, Media $media)
{
if ($user->hasPermission('view-files')) {
return true;
}
return $user->can('view', $media->model);
}
/**
* Determine whether the user can create media.
*
* @param \ProcessMaker\Models\User $user
* @return mixed
*/
public function create(User $user)
{
if ($user->hasPermission('create-files')) {
return true;
}
$request = request();
$class = $request->input('model');
$modelId = $request->input('model_id');
if ($class && $modelId && class_exists($class)) {
$model = new $class;
$model = $model->find($modelId);
if ($model) {
if ($user->can('create', $model)) {
return true;
}
if ($user->can('update', $model)) {
return true;
}
}
}
return false;
}
/**
* Determine whether the user can update the media.
*
* @param \ProcessMaker\Models\User $user
* @param \ProcessMaker\Models\Media $media
* @return mixed
*/
public function update(User $user, Media $media)
{
if ($user->hasPermission('update-files')) {
return true;
}
return $user->can('update', $media->model);
}
/**
* Determine whether the user can delete the media.
*
* @param \ProcessMaker\Models\User $user
* @param \ProcessMaker\Models\Media $media
* @return mixed
*/
public function delete(User $user, Media $media)
{
if ($user->hasPermission('delete-files')) {
return true;
}
if ($user->can('update', $media->model)) {
return true;
}
if ($user->can('participate', $media->model)) {
return true;
}
return false;
}
}