database models

server/compose.yml

@@ -10,8 +10,8 @@ services:
     image: adminer
     restart: always
     environment:
-      ADMINER_DEFAULT_SERVER: postgres  # Automatically connect to the "postgres" service
+      ADMINER_DEFAULT_SERVER: postgres
     ports:
       - "8080:8080"
     depends_on:
-      - postgres  # Ensure PostgreSQL starts first
+      - postgres

server/src/index.ts

@@ -1,7 +1,8 @@
 import express, { Express, Request, Response } from "express";
 import cors from "cors";
 import transactionsRouter from './routes/transactions';
-import { db, testConnection, logger } from "./util";
+import { db, testConnection } from "./util/db";
+import { logger } from "./util/logging";
 
 const app: Express = express();
 app.use(cors());

server/src/model/transaction.ts

@@ -0,0 +1,25 @@
+import { Table, Column, Model, CreatedAt, ForeignKey, BelongsTo} from 'sequelize-typescript';
+import User from './user';
+
+@Table
+export default class Transaction extends Model{
+    @Column
+    amount: number;
+
+    @Column
+    @ForeignKey(()=> User)
+    senderID: string;
+
+    @BelongsTo(() => User, 'senderID')
+    sender: User;
+
+    @Column
+    @ForeignKey(()=> User)
+    receiverID: string;
+
+    @BelongsTo(() => User, 'receiverID')
+    receiver: User;
+
+    @CreatedAt
+    creationDate: Date;
+}

server/src/model/user.ts

@@ -1,17 +1,20 @@
 import { Table, Column, Model, CreatedAt, DataType} from 'sequelize-typescript';
 
 @Table
-export class User extends Model{
+export default class User extends Model{
 
     @Column({primaryKey: true, unique: true, allowNull: false})
     userID: string;
-    
+
     @Column
     displayName: string;
-    
+
-    @Column(dataType: DataType.DECIMAL(20,2))
+    @Column(DataType.DECIMAL(20,2))
     balance: number;
 
+    @Column
+    password: string;
+
     @CreatedAt
     creationDate: Date;
 

server/src/util/db.ts

@@ -1,21 +1,7 @@
-import { Sequelize } from 'sequelize';
+import { Sequelize } from 'sequelize-typescript';
-import winston, { format } from "winston";
+import { logger } from './logging';
-import dotenv from 'dotenv';
+import User from '../model/user';
-
+import Transaction from '../model/transaction';
-dotenv.config();
-const logger = winston.createLogger({
-  level:'info',
-})
-if (process.env.NODE_ENV !== 'production') {
-  logger.add(new winston.transports.Console({
-    format: format.combine(
-      format.colorize({all: true}),
-      format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
-      format.printf((info) => `${info.timestamp} [${info.level}]: ${info.message}`),
-    )
-
-}));
-}
 
 // Initialize Sequelize
 const db = new Sequelize({
@@ -28,6 +14,8 @@ const db = new Sequelize({
   logging: logger.debug.bind(logger),
 });
 
+db.addModels([User, Transaction ])
+
 // Test the connection
 async function testConnection() {
   try {

server/src/util/logging.ts

@@ -0,0 +1,20 @@
+import winston, { format } from "winston";
+import dotenv from 'dotenv';
+
+dotenv.config();
+const logger = winston.createLogger({
+  level:'info',
+})
+if (process.env.NODE_ENV !== 'production') {
+  logger.add(new winston.transports.Console({
+    format: format.combine(
+      format.colorize({all: true}),
+      format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
+      format.printf((info) => `${info.timestamp} [${info.level}]: ${info.message}`),
+    )
+
+}));
+}
+
+// Export Sequelize instance and models
+export { logger };