feat: Implement even more endpoints

backend/db.md

@@ -1,5 +1,5 @@
 # User
-`column`: users
+`collection`: users
 `
 {
     username: string,
@@ -13,10 +13,47 @@
     lastReview: {
        correct: number,
        wrong: number,
-    }
+    },
+    
+    lastLevel: string,
+    
+    queue: number[],
 }
 `
 
+- queue stores IDs of the vocabulary
+
+# Vocab
+`collection`: vocabulary
+`
+{
+    id: string,
+    german: string[],
+    hint: string?,
+    mnemonic: string?,
+    
+    type: VocabType,
+    
+    latin: INomenData | IVerbData | IAdjektivData (See frontend models),
+`
+
+- VocabType -> number?
+- id == _id?
+
+# Levels
+`collection`: levels
+`
+{
+    level: number;
+    name: string;
+    description: string;
+    
+    vocab: number[],
+}
+`
+
+- vocab stores the IDs of the vocabulary items from the `vocabulary` collection
+
 # Sessions
 column: sessions
 

backend/src/api/level.ts

@@ -1,17 +1,16 @@
-import { Router, Request, Response } from "express";
+import { Router, Response } from "express";
 import * as bodyparser from "body-parser";
 
 import { authRoute } from "../security/token";
 
+import { LRequest } from "../types/express";
+
 const levelRouter = Router();
 levelRouter.use(bodyparser.json());
 levelRouter.use(authRoute);
 
-levelRouter.get("/:id/vocab", async (req: Request, res: Response) => {
-    // TODO: Implement
-    console.log("Stub(get): /level/:id/vocab");
-
-    if (!req.params) {
+levelRouter.get("/:id/vocab", async (req: LRequest, res: Response) => {
+    if (!req.params || !req.params.id) {
         res.send({
             error: "400",
             data: {
@@ -21,20 +20,29 @@ levelRouter.get("/:id/vocab", async (req: Request, res: Response) => {
         return;
     }
 
+    const levelId = parseInt(req.params.id);
+    // TODO: Handle this
+    // if (levelId === NaN) {
+    //     // Something
+    // }
+
+    // Find the level
+    // TODO: if (level)
+    const { db } = req;
+    const level = await db.collection("levels").findOne({
+        // TODO: This aint safe, boi
+        level: levelId,
+    });
+    console.log(level);
+
+    // Fetch all the vocabulary
+    const vocab = await db.collection("vocabulary").find({ id: { $in: level.vocab } }).toArray();
+    console.log(vocab);
+
     res.send({
         error: "0",
         data: {
-            vocab: [{
-                german: ["Wein"],
-                hint: "Worte auf '-um' sind meistens NeutrUM",
-                type: 0,
-                latin: {
-                    grundform: "Vinum",
-                    genitiv: "Vini",
-                    genus: "Neutrum"
-                },
-                id: 0
-            }],
+            vocab,
         }
     });
 });

backend/src/api/user.ts

@@ -6,14 +6,15 @@ import { authRoute } from "../security/token";
 import { userFromSession } from "../utils/user";
 
 import { IUser } from "../models/user";
+import { LRequest } from "../types/express";
+import { Db } from "mongodb";
 
 const userRouter = express.Router();
 userRouter.use(authRoute);
 userRouter.use(bodyparser.json());
 
 // Return the user object if the user is still authenticated
-userRouter.get("/me", async (req, res) => {
-    //@ts-ignore
+userRouter.get("/me", async (req: LRequest, res) => {
     const { db, token } = req;
 
     const session = await db.collection("sessions").findOne({ token, });
@@ -41,10 +42,10 @@ userRouter.get("/me", async (req, res) => {
 });
 
 // Removes the user's session
-userRouter.get("/logout", async (req, res) => {
+userRouter.get("/logout", async (req: LRequest, res) => {
     // Try to remove the session
-    //@ts-ignore
-    await req.db.collections("sessions").findOneAndDelete({ session: req.get("Token") });
+    const { db, token } = req;
+    await db.collection("sessions").findOneAndDelete({ token, });
 
     res.send({
         error: "0",
@@ -84,42 +85,65 @@ userRouter.get("/queue", async (req, res) => {
 });
 
 // Get ot set the last review results
-userRouter.get("/lastReview", async (req, res) => {
-    console.log("STUB(get): /user/lastReview");
+userRouter.get("/lastReview", async (req: LRequest, res) => {
+    // TODO: if(user)
+    const { token, db } = req;
+    const user = await userFromSession(token, db);
 
-    // TODO: Stub
     res.send({
         error: "0",
-        data: {
-            correct: 6,
-            wrong: 2,
-        },
+        data: user.lastReview,
     });
 });
-userRouter.post("/lastReview", async (req, res) => {
-    console.log("STUB(post): /user/lastReview");
+userRouter.post("/lastReview", async (req: LRequest, res) => {
+    // TODO: Check if we get the correct data
+    // TODO: if(user)
+    const { token, db } = req;
+    const user = await userFromSession(token, db);
+
+    // TODO: Error handling
+    await db.collection("users").updateOne({
+        username: user.username,
+    }, {
+            $set: {
+                lastReview: req.body.meta,
+            },
+        });
 
-    // TODO: Stub
     res.send({
         error: "0",
         data: {},
     });
 });
 
-// Get the next level
-userRouter.get("/nextLevel", async (req, res) => {
-    console.log("STUB: /user/nextLevel");
+// Returns the next level (level + 1) or the current level, if no higher level
+// can be found
+async function getNextLevel(token: string, db: Db): Promise<any> {
+    // TODO: if(user)
+    const user = await userFromSession(token, db);
+    const { lastLevel } = user;
 
-    // TODO: Stub
+    // Try to find a level, which level is lastLevel + 1
+    const level = await db.collection("levels").findOne({
+        level: lastLevel + 1,
+    });
+
+    if (level) {
+        return level;
+    } else {
+        // TODO: Send different data, so that the Client can say "Hey, no more levels"
+        return await db.collection("levels").findOne({
+            level: lastLevel
+        });
+    }
+}
+
+// Get the next level
+userRouter.get("/nextLevel", async (req: LRequest, res) => {
+    const level = await getNextLevel(req.token, req.db);
     res.send({
         error: "0",
-        data: {
-            name: "Test level",
-            desc: "Just a test",
-            level: 3,
-
-            done: false,
-        },
+        data: level,
     });
 });
 
@@ -135,16 +159,12 @@ userRouter.post("/level/:id", async (req, res) => {
 });
 
 // Get the data needed for the dashboard 
-userRouter.get("/dashboard", async (req, res) => {
-    console.log("SEMI-STUB(post): /user/dashboard");
-
-    //@ts-ignore
+userRouter.get("/dashboard", async (req: LRequest, res) => {
     const { db, token } = req;
 
     // Get the user
-    const user = await userFromSession(token, db);
     // TODO: if (user)
-
+    const user = await userFromSession(token, db);
     const { classId } = user;
 
     // Fetch the top ten of the class
@@ -162,24 +182,17 @@ userRouter.get("/dashboard", async (req, res) => {
         return {
             username: user.username,
             score: user.score,
-            // TODO
+            // TODO: Calculate on the client?
             level: 1,
             nr: nr++,
         };
     });
 
-    // TODO: Stub
+    const nextLevel = await getNextLevel(token, db);
     res.send({
         error: "200",
         data: {
-            // TODO: Get this some way
-            nextLevel: {
-                name: "Test level",
-                desc: "Just a test",
-                level: 3,
-
-                done: false,
-            },
+            nextLevel,
             topTen,
             lastReview: user.lastReview,
         },

backend/src/main.ts

@@ -115,4 +115,3 @@ const assert = require('assert');
         console.log("Starting on port 8080");
     });
 })();
-

backend/src/models/user.ts

@@ -11,4 +11,6 @@ export interface IUser {
         correct: number;
         wrong: number;
     };
+
+    lastLevel: number;
 };

backend/src/security/auth.ts

@@ -35,6 +35,7 @@ export async function performLogin(username: string, password: string, db: Db):
             classId: user.classId,
 
             lastReview: user.lastReview,
+            lastLevel: user.lastLevel,
 
             // TODO: Implement
             score: 4,

backend/src/types/express.ts

@@ -0,0 +1,8 @@
+import { Request } from "express";
+
+import { Db } from "mongodb";
+
+export type LRequest = Request & {
+    db: Db;
+    token: string;
+};