path: root/js/setup-storage.js

async function setupStorage(force = false) {
	let logged_in, setup_promises;
	promises_check_if_already_installed = [
		localforage.getItem("logged_in").then( function(val) {
			console.log("[setupStorage] logged in status: "+val);
			logged_in = val;
		})
	];
	await Promise.all(promises_check_if_already_installed);
  let promises_update = [
    localforage.setItem("profile", {}),
    localforage.setItem("timetable", []),
    localforage.setItem("teachers", []),
    localforage.setItem("gradings", []),
    localforage.setItem("grades", []),
    localforage.setItem("absences", {}),
    localforage.setItem("messages", {}),
    localforage.setItem("directory", {}),
		localforage.setItem("meals", {})
  ];
	if(logged_in && force == false) { // torej, če je že bila prijava narejena, ne posodobi backwards-compatible vrednosti (username, password,...)
	  await Promise.all(promises_update);
		console.log("[setupStorage] user logged in: only updated");
	} else {
	  let promises_first_install = [
	    localforage.setItem("logged_in", false),
	    localforage.setItem("username", ""),
    	localforage.setItem("password", ""),
  	  localforage.setItem("chosenLang", "en")
	  ];
		await localforage.clear();
		await Promise.all(promises_first_install);
		console.log("[setupStorage] user not logged in: set up whole database");
	}
}