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<?php |
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namespace Germania\UserRoles; |
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use Psr\Container\ContainerInterface; |
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use Psr\Container\NotFoundExceptionInterface; |
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/** |
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* This PSR Container gets the user role names for a given user. |
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*/ |
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class PdoUserUuidRolesContainer implements ContainerInterface |
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{ |
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/** |
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* @var \PDOStatement |
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*/ |
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public $stmt; |
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/** |
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* @param \PDO $pdo PDO handler |
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* @param string $users_table Table name for users |
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* @param string $users_roles_table Table name for users-roles mapping |
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*/ |
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public function __construct( \PDO $pdo, string $users_table, string $users_roles_table, string $roles_table ) |
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{ |
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$sql = "SELECT |
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R.usergroup_short_name, |
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LOWER(HEX(U.uuid)) as uuid |
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FROM `{$users_table}` U |
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LEFT JOIN `{$users_roles_table}` UR |
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ON U.id = UR.client_id |
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LEFT JOIN `{$roles_table}` R |
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ON UR.role_id = R.id |
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HAVING uuid=:uuid"; |
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$this->stmt = $pdo->prepare( $sql ); |
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} |
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/** |
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* Returns the user role names for a given user UUID. |
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* |
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* @param string $user_id User ID or UUID |
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* @return array |
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*/ |
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public function __invoke( string $user_id ) |
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{ |
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$this->stmt->execute([ |
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'uuid' => str_replace("-", "", $user_id) |
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]); |
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return $this->stmt->fetchAll( \PDO::FETCH_COLUMN ); |
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} |
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/** |
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* Alias for `get( $user_id )`, but throws NoUserRolesFoundException |
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* when no roles can be found. |
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* |
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* @inheritDoc |
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* @throws NoUserGroupsFoundException |
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*/ |
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public function get( $user_id ) |
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{ |
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$user_id_str = "" . $user_id; |
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$groups = $this->__invoke( $user_id_str ); |
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if (empty($groups)): |
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throw new NoUserRolesFoundException; |
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endif; |
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return $groups; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function has( $user_id ) |
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{ |
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$user_id_str = "" . $user_id; |
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$groups = $this->__invoke( $user_id_str ); |
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return !empty( $groups ); |
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} |
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} |
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GermaniaKG /
UserRoles
