fix: Changed group assignment.

src/schemas/User.ts

@@ -1,25 +1,27 @@
-import mongoose, { Schema } from "mongoose"
+import mongoose, { ObjectId, Schema } from "mongoose"
 
 // TODO: Unify `fname` and `surename` into single field
 
 interface IUser {
     uname: string;
     pass: string;
-    room?: number;
+    room?: string;
     admin?: number;
     locked?: boolean;
     fname?: string;
     surname?: string;
+    groups: ObjectId[];
 }
 
 const userSchema = new Schema<IUser>({
     uname: {type: String, required: true},
     pass: {type: String, required: true, default: "$2y$10$wxDhf.XiXkmdKrFqYUEa0.F4Bf.pDykZaMmgjvyLyeRP3E/Xy0hbC"},
-    room: Number,
+    room: String,
     admin: Number,
     locked: {type: Boolean, default: false},
     fname: String,
-    surname: String
+    surname: String,
+    groups: [{type: mongoose.Types.ObjectId, ref: "Group"}]
 })
 
 export default mongoose.model("logins", userSchema)