/**
* Get the callback to constrain an permissions query to the given permission.
*
* @param string $permission
* @param \Illuminate\Database\Eloquent\Model|string|null $model
* @return \Closure
*/
protected function getPermissionConstraint($permission, $model)
{
return function ($query) use($permission, $model) {
$table = Models::permission()->getTable();
$query->where("{$table}.name", $permission);
if (!is_null($model)) {
$query->forModel($model);
}
};
}
/**
* Deserialize an array of permissions into a collection of models.
*
* @param array $permissions
* @return \Illuminate\Database\Eloquent\Collection
*/
protected function deserializePermissions(array $permissions)
{
return Models::permission()->hydrate($permissions);
}
/**
* Get an instance of the permission model.
*
* @param array $attributes
* @return \Silber\Bouncer\Database\Permission
*/
public function permission(array $attributes = [])
{
return Models::permission($attributes);
}
/**
* Get the permission IDs from the names present in the given array.
*
* @param array $permissions
* @return array
*/
protected function getPermissionIdsFromStrings(array $permissions)
{
$names = array_filter($permissions, 'is_string');
if (!count($names)) {
return [];
}
return Models::permission()->whereIn('name', $names)->lists('id')->all();
}
/**
* Get the table name for the permission model.
*
* @return string
*/
protected function permissions()
{
return Models::permission()->getTable();
}
/**
* Get a list of the user's permissions.
*
* @param \Illuminate\Database\Eloquent\Model $user
* @return \Illuminate\Database\Eloquent\Collection
*/
public function getPermissions(Model $user)
{
$query = Models::permission()->whereHas('roles', $this->getRoleUsersConstraint($user));
return $query->orWhereHas('users', $this->getUserConstraint($user))->get();
}
/**
* Create permissions whose name is not in the given list.
*
* @param \Illuminate\Database\Eloquent\Collection $models
* @param array $permissions
* @return \Illuminate\Database\Eloquent\Collection
*/
protected function createMissingPermissions(Collection $models, array $permissions)
{
$missing = array_diff($permissions, $models->pluck('name')->all());
$created = [];
foreach ($missing as $permission) {
$created[] = Models::permission()->create(['name' => $permission]);
}
return $created;
}