frontend-dali/source/base/functions.ts

namespace _dali
{

	/**
	 */
	export function access_level_encode(
		access_level : _dali.type.enum_access_level
	) : ("none" | "view" | "edit" | "admin")
	{
		switch (access_level) {
			case _dali.type.enum_access_level.none: return "none";
			case _dali.type.enum_access_level.view: return "view";
			case _dali.type.enum_access_level.edit: return "edit";
			case _dali.type.enum_access_level.admin: return "admin";
		}
	}
	
	
	/**
	 */
	export function access_level_decode(
		representation : /*("none" | "view" | "edit" | "admin")*/string
	) : _dali.type.enum_access_level
	{
		switch (representation)
		{
			case "none": return _dali.type.enum_access_level.none;
			case "view": return _dali.type.enum_access_level.view;
			case "edit": return _dali.type.enum_access_level.edit;
			case "admin": return _dali.type.enum_access_level.admin;
			default: throw (new Error("invalid access level representation: " + representation));
		}
	}
	
	
	/**
	 */
	export function view_mode_encode(
		mode : _dali.type.enum_view_mode
	) : string
	{
		switch (mode)
		{
			case _dali.type.enum_view_mode.week: {return "week"; break;}
			case _dali.type.enum_view_mode.list: {return "list"; break;}
			default: {throw (new Error("invalid mode"));}
		}
	}
	
	
	/**
	 */
	export function view_mode_decode(
		view_mode_encoded : string
	) : _dali.type.enum_view_mode
	{
		const map : Record<string, _dali.type.enum_view_mode> = {
			"week": _dali.type.enum_view_mode.week,
			"list": _dali.type.enum_view_mode.list,
		};
		if (! (view_mode_encoded in map))
		{
			throw (new Error("invalid mode: " + view_mode_encoded));
		}
		else
		{
			return map[view_mode_encoded];
		}
	}
	
	
	/**
	 */
	export function view_mode_determine(
		mode_descriptor : string
	) : _dali.type.enum_view_mode
	{
		if (mode_descriptor === "auto")
		{
			return (
				(window.innerWidth >= 800)
				?
				_dali.type.enum_view_mode.week
				:
				_dali.type.enum_view_mode.list
			);
		}
		else
		{
			return view_mode_decode(mode_descriptor);
		}
	}

}