feat: Implement the tracker

backend/src/main.ts

@@ -19,6 +19,8 @@ import UserRouter from "./api/user";
 import ClassRouter from "./api/class";
 import LevelRouter from "./api/level";
 
+import { ITrackerDBModel } from "./models/tracker";
+
 const baseRouter = express.Router();
 const authRouter = express.Router();
 
@@ -66,6 +68,40 @@ const password = encodeURIComponent(env["LATEINICUS_USER_PW"]);
     app.use("/api/level", LevelRouter);
     app.use("/api/class", ClassRouter);
     app.use("/api/user", UserRouter);
+    app.post("/api/tracker", async (req, res) => {
+        // Did we get any data
+        if (!req.body) {
+            res.send({
+                error: "403",
+                data: {
+                    msg: "No request body provided",
+                },
+            });
+            return;
+        }
+
+        // Did we get all arguments?
+        if (!("session" in req.body) || !("event" in req.body)) {
+            res.send({
+                error: "403",
+                data: {
+                    msg: "Invalid request",
+                },
+            });
+            return;
+        }
+
+        // Insert it into the database
+        const tracker: ITrackerDBModel = Object.assign({}, req.body, {
+            timestamp: Date.now(),
+        });
+        await db.collection("tracker").insertOne(tracker);
+
+        res.send({
+            error: "200",
+            data: {},
+        });
+    });
     app.get("/api/levels", async (req, res) => {
         // TODO: if (levels)
         const levels = (await db.collection("levels").find({}, {

backend/src/models/tracker.ts

@@ -0,0 +1,16 @@
+export enum TrackerEvent {
+    LOG_IN = "LOG_IN",
+    LOG_OUT = "LOG_OUT",
+    START_LEARNING = "START_LEARNING",
+    CANCEL_LEARNING = "CANCEL_LEARNING",
+    FINISH_LEARNING = "FINISH_LEARNING",
+};
+
+export interface ITrackerRequest {
+    session: string;
+    event: TrackerEvent;
+};
+
+export type ITrackerDBModel = ITrackerRequest & {
+    timestamp: number;
+};