Added methods to get last 30 messages + add fixtures

backend/src/fixtures.ts

+import dotenv from 'dotenv'
+import mongoose from 'mongoose'
+import { User } from './models/User'
+import { Message } from './models/Message'
+
+dotenv.config()
+
+mongoose.connect(process.env.MONGO_CLIENT_URL || 'mongodb://localhost/TsoyDanilChatDB')
+
+const db = mongoose.connection
+
+export default db.once('open', async () => {
+    try{
+        await db.dropCollection('messages')
+        await db.dropCollection('users')
+    } catch(err: unknown){
+        console.log(`Skipped db drop because of: ${err}`);
+    }
+
+    const [userOne, userTwo, userThree, userFour, userFive] = await User.create(
+        {
+            username: 'user1',
+            password: 'pass'
+        },
+        {
+            username: 'user2',
+            password: 'pass'
+        },
+        {
+            username: 'user3',
+            password: 'pass'
+        },
+        {
+            username: 'user4',
+            password: 'pass'
+        },
+        {
+            username: 'user5',
+            password: 'pass'
+        }
+    )
+
+    await Message.create(
+    {
+        user: userOne._id,
+        message: 'mess1'
+    },
+    {
+        user: userOne._id,
+        message: 'mess2'
+    },
+    {
+        user: userOne._id,
+        message: 'mess3'
+    },
+    {
+        user: userOne._id,
+        message: 'mess4'
+    },
+    {
+        user: userOne._id,
+        message: 'mess5'
+    },
+    {
+        user: userOne._id,
+        message: 'mess6'
+    },
+    {
+        user: userOne._id,
+        message: 'mess7'
+    },
+    {
+        user: userOne._id,
+        message: 'mess8'
+    },
+    {
+        user: userOne._id,
+        message: 'mess9'
+    },
+    {
+        user: userOne._id,
+        message: 'mess10'
+    },
+    {
+        user: userOne._id,
+        message: 'mess11'
+    },
+    {
+        user: userOne._id,
+        message: 'mess12'
+    },
+    {
+        user: userOne._id,
+        message: 'mess13'
+    },
+    {
+        user: userOne._id,
+        message: 'mess14'
+    },
+    {
+        user: userOne._id,
+        message: 'mess15'
+    },
+    {
+        user: userOne._id,
+        message: 'mess16'
+    },
+    {
+        user: userOne._id,
+        message: 'mess17'
+    },
+    {
+        user: userOne._id,
+        message: 'mess19'
+    },
+    {
+        user: userOne._id,
+        message: 'mess20'
+    },
+    {
+        user: userOne._id,
+        message: 'mess21'
+    },
+    {
+        user: userOne._id,
+        message: 'mess22'
+    },
+    {
+        user: userOne._id,
+        message: 'mess23'
+    },
+    {
+        user: userOne._id,
+        message: 'mess24'
+    },
+    {
+        user: userOne._id,
+        message: 'mess25'
+    },
+    {
+        user: userOne._id,
+        message: 'mess26'
+    },
+    {
+        user: userOne._id,
+        message: 'mess27'
+    },
+    {
+        user: userOne._id,
+        message: 'mess28'
+    },
+    {
+        user: userOne._id,
+        message: 'mess29'
+    },
+    {
+        user: userOne._id,
+        message: 'mess30'
+    },
+    {
+        user: userOne._id,
+        message: 'mess31'
+    },
+    {
+        user: userOne._id,
+        message: 'mess32'
+    },
+    {
+        user: userOne._id,
+        message: 'mess33'
+    },
+    {
+        user: userOne._id,
+        message: 'mess34'
+    },
+    {
+        user: userOne._id,
+        message: 'mess35'
+    }
+    )
+
+    db.close()
+})
\ No newline at end of file

backend/src/models/Message.ts

@@ -6,6 +6,7 @@ const MessageSchema: Schema = new Schema<IMessage>({
         type: Schema.Types.ObjectId,
         ref: 'User',
         minlength: 1,
+        trim: true,
         required: [true, 'User id has to be provided']
     },
     message: {
@@ -14,6 +15,6 @@ const MessageSchema: Schema = new Schema<IMessage>({
         minlength: 1,
         required: [true, 'Username should exist']
     }
-})
+}, {versionKey: false})
 
 export const Message = mongoose.model<IMessage>('Message', MessageSchema)
\ No newline at end of file

backend/src/repository/mongooseDB.ts

@@ -87,11 +87,11 @@ export class MongooseDB {
 
     public getMessages = async(): Promise<IResponse<IMessage[] | null>> => {
         try{
-            const data = await Message.find().populate('user').limit(30)
+            const data = (await Message.find().populate('user').sort({$natural:-1}).limit(30)).reverse()
             const response: IResponse<IMessage[] | null> = {
                 status: EStatuses.SUCCESS,
                 result: data,
-                message: 'Tracks found'
+                message: 'Messages found'
             }
             return response
         } catch(err: unknown){