initial

config/db.config.js

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+/***********************************************************************************************************************************************************************
+ * File Name: db.config.js
+ * Type of Program: Configuration
+ * Description: Sequelize PostgreSQL connection instance.
+ *              Reads credentials from environment variables and exposes a single
+ *              authenticated Sequelize instance used across all models.
+ * Author: rgrgogu
+ * Date Created: Oct. 6, 2025
+ ***********************************************************************************************************************************************************************
+ * HOW TO USE:
+ *   const sequelize = require('./config/db.config');
+ *   // Then use sequelize.define() or import your models directly.
+ ***********************************************************************************************************************************************************************/
+require('dotenv').config();
+const { Sequelize } = require('sequelize');
+
+const sequelize = new Sequelize(
+  process.env.DB_NAME,
+  process.env.DB_USER,
+  process.env.DB_PASSWORD,
+  {
+    host: process.env.DB_HOST,
+    port: process.env.DB_PORT || 5432,
+    dialect: 'postgres',
+    dialectOptions: {
+      ssl: {
+        require: true,
+        rejectUnauthorized: false, // or provide CA cert if strict
+      },
+    },
+    logging: process.env.NODE_ENV === 'development' ? console.log : false,
+    pool: {
+      max: 10,
+      min: 0,
+      acquire: 30000,
+      idle: 10000,
+    },
+  }
+);
+
+module.exports = sequelize;

config/passport.config.js

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+/***********************************************************************************************************************************************************************
+ * File Name: passport.config.js
+ * Type of Program: Configuration
+ * Description: Passport.js strategy configuration.
+ *              Registers the Google OAuth 2.0 strategy. On first login via Google
+ *              a new user record is auto-created with reg_type="google".
+ *              Returns a signed JWT payload after successful authentication.
+ * Author: rgrgogu
+ * Date Created: Oct. 6, 2025
+ ***********************************************************************************************************************************************************************
+ * HOW TO USE:
+ *   In server.js:
+ *     require('./config/passport.config');
+ *     app.use(passport.initialize());
+ *   In routes:
+ *     router.get('/google', passport.authenticate('google', { scope: ['profile', 'email'] }));
+ *     router.get('/google/callback', passport.authenticate('google', { session: false }), handler);
+ ***********************************************************************************************************************************************************************/
+const passport = require('passport');
+const { Strategy: GoogleStrategy } = require('passport-google-oauth20');
+const mdl_Users = require('../models/users/users.mdl');
+
+passport.use(
+  new GoogleStrategy(
+    {
+      clientID: process.env.GOOGLE_CLIENT_ID,
+      clientSecret: process.env.GOOGLE_CLIENT_SECRET,
+      callbackURL: process.env.GOOGLE_CALLBACK_URL,
+    },
+    async (accessToken, refreshToken, profile, done) => {
+      try {
+        const email = profile.emails?.[0]?.value;
+        if (!email) return done(new Error('No email returned from Google'), null);
+
+        let user = await mdl_Users.findOne({ where: { email } });
+
+        if (!user) {
+          // Auto-register Google users as 'user' acc_type
+          user = await mdl_Users.create({
+            email,
+            reg_type: 'google',
+            acc_type: 'user',
+            is_active: true,
+            is_verified: true,            // Google accounts are pre-verified
+            personal_info: {
+              name: {
+                given_name: profile.name?.givenName || '',
+                last_name: profile.name?.familyName || '',
+                full_name: profile.displayName || '',
+              },
+              avatar: {
+                url: profile.photos?.[0]?.value || null,
+              },
+            },
+          });
+        }
+
+        if (!user.is_active) {
+          return done(null, false, { message: 'Account is deactivated.' });
+        }
+
+        return done(null, user);
+      } catch (err) {
+        return done(err, null);
+      }
+    }
+  )
+);
+
+module.exports = passport;