BP_REST_Group_Invites_Endpoint::get_items( WP_REST_Request $request )

	public function get_items( $request ) {
		$args = array(
			'item_id'     => $request['group_id'],
			'user_id'     => $request['user_id'],
			'invite_sent' => $request['invite_sent'],
			'per_page'    => $request['per_page'],
			'page'        => $request['page'],
		);

		/**
		 * Inviter_id is a special case, because 0 can be meaningful for requests,
		 * but if it is zero for invitations, we can safely ignore it and should.
		 * So, only apply non-zero inviter_ids.
		 */
		if ( $request['inviter_id'] ) {
			$args['inviter_id'] = $request['inviter_id'];
		}

		// If the query is not restricted by group, user or inviter, limit it to the current user, if not an admin.
		if ( ! $args['item_id'] && ! $args['user_id'] && ! $args['inviter_id'] && ! bp_current_user_can( 'bp_moderate' ) ) {
			$args['user_id'] = bp_loggedin_user_id();
		}

		/**
		 * Filter the query arguments for the request.
		 *
		 * @param array           $args    Key value array of query var to query value.
		 * @param WP_REST_Request $request The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		$args = apply_filters( 'bp_rest_group_invites_get_items_query_args', $args, $request );

		// Get invites.
		$invites_data = groups_get_invites( $args );

		$retval = array();
		foreach ( $invites_data as $invitation ) {
			if ( $invitation instanceof BP_Invitation ) {
				$retval[] = $this->prepare_response_for_collection(
					$this->prepare_item_for_response( $invitation, $request )
				);
			}
		}

		$response = rest_ensure_response( $retval );
		$response = bp_rest_response_add_total_headers( $response, count( $invites_data ), $args['per_page'] );

		/**
		 * Fires after a list of group invites are fetched via the REST API.
		 *
		 * @param array            $invites_data Invited users from the group.
		 * @param WP_REST_Response $response     The response data.
		 * @param WP_REST_Request  $request      The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_rest_group_invites_get_items', $invites_data, $response, $request );

		return $response;
	}