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function getUrlParameter(sParam) {
const url_params = new URLSearchParams(window.location.search);
const found_param = url_params.get(sParam);
if (found_param === null) {
return ""
} else {
return found_param
}
}
function setupStorage() {
promises_to_run = [
localforage.setItem("logged_in", false),
localforage.setItem("username", ""),
localforage.setItem("password", ""),
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", {})
];
Promise.all(promises_to_run)
.then(
window.location.replace("/login.html")
);
}
localforage.getItem("logged_in")
.then(
function (value) {
// This code runs once the value has been loaded
// from the offline store.
if (value === null) {
// Setup the storage if it doesn't exist
setupStorage();
} else if (value === false) {
// If storage exists, but user isn't logged in, redirect to login
window.location.replace("/login.html");
} else {
// User is logged in, execute appropriate action
if (getUrlParameter("m") !== "") {
window.location.replace("/pages/messaging.html#" + getUrlParameter("m"));
} else {
window.location.replace("/pages/timetable.html");
}
}
}
).catch(
function (err) {
// This code runs if there were any errors
console.log(err);
}
);
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