BP_REST_Group_Invites_Endpoint::update_item( WP_REST_Request $request )

	public function update_item( $request ) {
		$request->set_param( 'context', 'edit' );

		$invite = $this->fetch_single_invite( $request['invite_id'] );
		$accept = groups_accept_invite( $invite->user_id, $invite->item_id );
		if ( ! $accept ) {
			return new WP_Error(
				'bp_rest_group_invite_cannot_update_item',
				__( 'Could not accept group invitation.', 'buddyboss' ),
				array(
					'status' => 500,
				)
			);
		}

		$accepted_member = new BP_Groups_Member( $invite->user_id, $invite->item_id );

		$retval = $this->prepare_response_for_collection(
			$this->group_members_endpoint->prepare_item_for_response( $accepted_member, $request )
		);

		$response = rest_ensure_response( $retval );
		$group    = $this->groups_endpoint->get_group_object( $invite->item_id );

		/**
		 * Fires after a group invite is accepted via the REST API.
		 *
		 * @param BP_Groups_Member $accepted_member Accepted group member.
		 * @param BP_Groups_Group  $group           The group object.
		 * @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_update_item', $accepted_member, $group, $response, $request );

		return $response;
	}