feat: update backend configuration and database models for Supabase integration

Author: HackStyx

backend/package-lock.json

@@ -5,15 +5,16 @@
   "main": "src/server.js",
   "scripts": {
     "start": "node src/server.js",
-    "dev": "nodemon src/server.js"
+    "dev": "nodemon src/server.js",
+    "init-db": "node init-db.js",
+    "clean-db": "node clean-database.js"
   },
   "dependencies": {
+    "@supabase/supabase-js": "^2.39.7",
     "axios": "^1.6.2",
     "cors": "^2.8.5",
     "dotenv": "^16.3.1",
-    "express": "^4.18.2",
-    "mysql2": "^3.11.5",
-    "sequelize": "^6.37.5"
+    "express": "^4.18.2"
   },
   "devDependencies": {
     "nodemon": "^3.0.2"

backend/package.json

@@ -1,42 +1,29 @@
-const { Sequelize } = require('sequelize');
+const { createClient } = require('@supabase/supabase-js');
 require('dotenv').config();
 
-let sequelize;
+const SUPABASE_URL = process.env.SUPABASE_URL;
+const SUPABASE_KEY = process.env.SUPABASE_KEY;
 
-if (process.env.DATABASE_URL) {
-  // Production configuration for Railway
-  sequelize = new Sequelize(process.env.DATABASE_URL, {
-    dialect: 'mysql',
-    dialectOptions: {
-      ssl: {
-        require: true,
-        rejectUnauthorized: false
-      }
-    },
-    logging: false
-  });
-} else {
-  // Local configuration
-  sequelize = new Sequelize(process.env.DB_NAME, process.env.DB_USER, process.env.DB_PASSWORD, {
-    host: process.env.DB_HOST,
-    dialect: 'mysql',
-    logging: console.log,
-    pool: {
-      max: 5,
-      min: 0,
-      acquire: 30000,
-      idle: 10000
-    }
-  });
+if (!SUPABASE_URL || !SUPABASE_KEY) {
+  console.warn('SUPABASE_URL or SUPABASE_KEY environment variables are not set. Some features will be limited.');
 }
 
+const supabase = createClient(
+  SUPABASE_URL || 'https://example.supabase.co',
+  SUPABASE_KEY || 'demo-key'
+);
+
 // Test the connection
-sequelize.authenticate()
-  .then(() => {
-    console.log('Database connection has been established successfully.');
+supabase.from('stocks').select('count', { count: 'exact', head: true })
+  .then(({ count, error }) => {
+    if (error) {
+      console.error('Unable to connect to Supabase:', error);
+    } else {
+      console.log('Supabase connection has been established successfully.');
+    }
   })
   .catch(err => {
-    console.error('Unable to connect to the database:', err);
+    console.error('Unable to connect to Supabase:', err);
   });
 
-module.exports = sequelize; 
+module.exports = supabase; 

backend/src/config/database.js

@@ -3,11 +3,11 @@ require('dotenv').config();
 const FINNHUB_API_KEY = process.env.FINNHUB_API_KEY;
 
 if (!FINNHUB_API_KEY) {
-  console.error('FINNHUB_API_KEY environment variable is not set');
-  process.exit(1);
+  console.warn('FINNHUB_API_KEY environment variable is not set. Some features will be limited.');
+  // We'll continue running but with limited functionality
 }
 
 module.exports = {
-  API_KEY: FINNHUB_API_KEY,
+  API_KEY: FINNHUB_API_KEY || 'demo', // Use 'demo' as a fallback
   BASE_URL: 'https://finnhub.io/api/v1'
 }; 

backend/src/config/finnhub.js

@@ -1,3 +1,8 @@
+// This migration file is for Sequelize and is not used with Supabase
+// For Supabase, tables are created through the Supabase dashboard or SQL migrations
+// See supabase-schema.sql for the actual table creation
+
+/*
 const { DataTypes } = require('sequelize');
 
 module.exports = {
@@ -44,4 +49,15 @@ module.exports = {
   down: async (queryInterface, Sequelize) => {
     await queryInterface.dropTable('watchlists');
   }
+};
+*/
+
+// Supabase migration placeholder
+module.exports = {
+  up: async () => {
+    console.log('Migration not needed for Supabase - tables are managed separately');
+  },
+  down: async () => {
+    console.log('Migration not needed for Supabase - tables are managed separately');
+  }
 }; 

backend/src/migrations/20240115_create_watchlist.js

@@ -1,34 +1,13 @@
-const Stock = require('../models/Stock');
-const sequelize = require('../config/database');
+const supabase = require('../config/supabase');
 
 async function initializeDatabase() {
   try {
-    // Sync all models with the database
-    await sequelize.sync({ force: true });
-    console.log('Database tables created successfully');
-
-    // Create some initial stocks for testing
-    await Stock.bulkCreate([
-      {
-        name: 'Apple Inc.',
-        ticker: 'AAPL',
-        shares: 10,
-        buy_price: 150.00,
-        current_price: 155.00,
-        target_price: 180.00,
-        is_in_watchlist: false
-      },
-      {
-        name: 'Microsoft Corporation',
-        ticker: 'MSFT',
-        shares: 5,
-        buy_price: 280.00,
-        current_price: 290.00,
-        target_price: 320.00,
-        is_in_watchlist: false
-      }
-    ]);
-    console.log('Initial stocks created successfully');
+    console.log('Database initialization not needed for Supabase - tables are managed separately');
+    
+    // Note: For Supabase, tables are created through the Supabase dashboard or SQL migrations
+    // This function is kept for compatibility but doesn't need to do anything
+    
+    console.log('Database initialization completed');
 
   } catch (error) {
     console.error('Error initializing database:', error);