BP_REST_Group_Membership_Endpoint::get_endpoint_args_for_method( string $method = WP_REST_Server::CREATABLE )

	public function get_endpoint_args_for_method( $method = WP_REST_Server::CREATABLE ) {
		$key  = 'get_item';
		$args = array(
			'context' => $this->get_context_param(
				array(
					'default' => 'edit',
				)
			),
		);

		if ( WP_REST_Server::CREATABLE === $method || WP_REST_Server::EDITABLE === $method ) {
			$group_roles = array_diff( array_keys( bp_groups_get_group_roles() ), array( 'banned' ) );

			$args['role'] = array(
				'description'       => __( 'Group role to assign the user to.', 'buddyboss' ),
				'default'           => 'member',
				'type'              => 'string',
				'enum'              => $group_roles,
				'sanitize_callback' => 'sanitize_key',
				'validate_callback' => 'rest_validate_request_arg',
			);

			if ( WP_REST_Server::CREATABLE === $method ) {
				$key             = 'create_item';
				$schema          = $this->get_item_schema();
				$args['user_id'] = array_merge(
					$schema['properties']['id'],
					array(
						'description' => __( 'A unique numeric ID for the Member to add to the Group.', 'buddyboss' ),
						'default'     => bp_loggedin_user_id(),
						'required'    => true,
						'readonly'    => false,
					)
				);
			}

			if ( WP_REST_Server::EDITABLE === $method ) {
				$key            = 'update_item';
				$args['action'] = array(
					'description'       => __( 'Action used to update a group member.', 'buddyboss' ),
					'default'           => 'promote',
					'type'              => 'string',
					'enum'              => array( 'promote', 'demote', 'ban', 'unban' ),
					'sanitize_callback' => 'sanitize_key',
					'validate_callback' => 'rest_validate_request_arg',
				);
			}
		} elseif ( WP_REST_Server::DELETABLE === $method ) {
			$key = 'delete_item';
		}

		/**
		 * Filters the method query arguments.
		 *
		 * @param array $args Query arguments.
		 * @param string $method HTTP method of the request.
		 *
		 * @since 0.1.0
		 */
		return apply_filters( "bp_rest_group_members_{$key}_query_arguments", $args, $method );
	}