BP_REST_Group_Settings_Endpoint::get_item( WP_REST_Request $request )

	public function get_item( $request ) {

		$group = $this->groups_endpoint->get_group_object( $request );

		if ( empty( $group->id ) ) {
			return new WP_Error(
				'bp_rest_group_invalid_id',
				__( 'Invalid group ID.', 'buddyboss' ),
				array(
					'status' => 404,
				)
			);
		}

		$nav    = $request->get_param( 'nav' );
		$fields = array();
		switch ( $nav ) {
			case 'group-settings':
				$fields = $this->get_settings_fields( $group->id );
				break;

			case 'forum':
				$fields = $this->get_forum_fields( $group->id );
				break;

			case 'courses':
				$fields = $this->get_courses_fields( $group->id );
				break;
		}

		$fields = apply_filters( 'bp_rest_groups_setting_fields', $fields, $group->id, $nav );

		if ( is_wp_error( $fields ) ) {
			return $fields;
		}

		if ( empty( $fields ) ) {
			return new WP_Error(
				'bp_rest_invalid_group_setting_nav',
				__( 'Sorry, you are not allowed to see the group settings options.', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		$retval = array();
		if ( ! empty( $fields ) ) {
			foreach ( $fields as $field ) {
				$retval[] = $this->prepare_response_for_collection(
					$this->prepare_item_for_response( $field, $request )
				);
			}
		}

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after a list of groups settings is fetched via the REST API.
		 *
		 * @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_settings_get_item', $response, $request );

		return $response;
	}