1 files changed, 39 insertions, 0 deletions
diff --git a/js/initialize.js b/js/initialize.js
new file mode 100644
index 0000000..bfad5fc
--- /dev/null
+++ b/js/initialize.js
@@ -0,0 +1,39 @@
+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", {})
+    ];
+
+    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) {
+                setupStorage();
+            } else if (value === false) {
+                window.location.replace("/login.html");
+            } else {
+                window.location.replace("/pages/teachers.html");
+            }
+        }
+    ).catch(
+        function (err) {
+            // This code runs if there were any errors
+            console.log(err);
+        }
+    );