BP_REST_Group_Membership_Request_Endpoint::get_item_permissions_check( WP_REST_Request $request )

	public function get_item_permissions_check( $request ) {
		$retval        = true;
		$user_id       = bp_loggedin_user_id();
		$group_request = $this->fetch_single_membership_request( $request['request_id'] );

		if ( ! $user_id ) {
			$retval = new WP_Error(
				'bp_rest_authorization_required',
				__( 'Sorry, you need to be logged in to get a membership.', 'buddyboss' ),
				array(
					'status' => rest_authorization_required_code(),
				)
			);
		}

		if ( true === $retval && ! $group_request ) {
			$retval = new WP_Error(
				'bp_rest_group_membership_requests_invalid_id',
				__( 'Invalid group membership request ID.', 'buddyboss' ),
				array(
					'status' => 404,
				)
			);
		}

		if (
			true === $retval
			&& ! bp_current_user_can( 'bp_moderate' )
			&& $user_id !== $group_request->user_id
			&& ! groups_is_user_admin( $user_id, $group_request->item_id )
		) {
			$retval = new WP_Error(
				'bp_rest_group_membership_requests_cannot_get_item',
				__( 'Sorry, you are not allowed to view a membership request.', 'buddyboss' ),
				array(
					'status' => 500,
				)
			);
		}

		/**
		 * Filter the group membership request `get_item` permissions check.
		 *
		 * @param bool|WP_Error $retval Whether the request can continue.
		 * @param WP_REST_Request $request The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		return apply_filters( 'bp_rest_group_membership_requests_get_item_permissions_check', $retval, $request );
	}