Added Editing of Questions

src/games.js

@@ -1,5 +1,5 @@
 import { Collection, Db, ObjectId } from 'mongodb';
-import { checkStringProp } from './util.js';
+import { checkNumberProp, checkObjectProp, checkStringProp } from './util.js';
 
 /**
  * @type {Collection}
@@ -95,6 +95,7 @@ export function initGames(app, db) {
     app.post('/category/rename', renameCategory);
 
     app.get('/question', fetchQuestion);
+    app.post('/question', updateQuestion);
 }
 
 /**
@@ -592,6 +593,104 @@ async function deleteWallRoute(req, res) {
         });
 }
 
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function updateQuestion(req, res) {
+    if (
+        !checkStringProp(req.body, '_id') &&
+        !checkStringProp(req.body, 'owner') &&
+        !checkStringProp(req.body, 'type') &&
+        !checkNumberProp(req.body, 'points') &&
+        !checkObjectProp(req.body, 'data')
+    ) {
+        res.sendStatus(400);
+        return;
+    }
+
+    if (req.body.owner !== req.user._id.toString()) {
+        res.sendStatus(403);
+        return;
+    }
+    /**
+     * @type {string}
+     */
+    let _id = req.body._id;
+
+    let replacement;
+
+    if (
+        req.body.type === QuestionType.SIMPLE ||
+        req.body.type === QuestionType.MULTIPLE_CHOICE
+    ) {
+        replacement = toNormalQuestion(req.body);
+    } else if (
+        req.body.type === QuestionType.IMAGE ||
+        req.body.type === QuestionType.IMAGE_MULTIPLE_CHOICE
+    ) {
+        replacement = toImageQuestion(req.body);
+    } else if (
+        req.body.type === QuestionType.AUDIO ||
+        req.body.type === QuestionType.AUDIO_MULTIPLE_CHOICE
+    ) {
+        replacement = toAudioQuestion(req.body);
+    }
+
+    cQuestions
+        .replaceOne(
+            {
+                _id: new ObjectId(_id),
+                owner: req.user._id,
+            },
+            replacement,
+        )
+        .then((result) => {
+            if (result.modifiedCount === 1) {
+                res.sendStatus(200);
+            } else res.sendStatus(500);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+function toNormalQuestion(body) {
+    return {
+        ...body,
+        _id: new ObjectId(body._id),
+        owner: new ObjectId(body.owner),
+    };
+}
+
+function toImageQuestion(body) {
+    return {
+        ...body,
+        _id: new ObjectId(body._id),
+        owner: new ObjectId(body.owner),
+        data: {
+            ...body.data,
+            image:
+                body.data.image === null ? null : new ObjectId(body.data.image),
+        },
+    };
+}
+
+function toAudioQuestion(body) {
+    return {
+        ...body,
+        _id: new ObjectId(body._id),
+        owner: new ObjectId(body.owner),
+        data: {
+            ...body.data,
+            audio:
+                body.data.audio === null ? null : new ObjectId(body.data.audio),
+        },
+    };
+}
+
 /**
  *
  * @param {ObjectId} _id