feat: add /api/seed endpoint and refactor seed.js

app.js

@@ -77,6 +77,22 @@ app.get('/api/health', (req, res) => {
   });
 });
 
+const seedDatabase = require('./seed');
+const { successResponse, errorResponse } = require('./utils/apiResponse');
+
+const handleSeedRequest = async (req, res) => {
+  try {
+    const result = await seedDatabase({ disconnectOnComplete: false });
+    return successResponse(res, 200, 'Database seeded successfully', result);
+  } catch (error) {
+    return errorResponse(res, 500, 'SEED_FAILED', error.message);
+  }
+};
+
+app.post('/api/seed', handleSeedRequest);
+app.get('/api/seed', handleSeedRequest);
+
+
 app.use('/api/auth', authRoutes);
 app.use('/api/users', userRoutes);
 app.use('/api/professors', professorRoutes);

seed.js

@@ -91,11 +91,16 @@ const defaultRoles = [
   }
 ];
 
-const seedDatabase = async () => {
+const seedDatabase = async ({ disconnectOnComplete = false } = {}) => {
   try {
-    console.log('Connecting to MongoDB...');
-    await mongoose.connect(config.MONGO_URI);
-    console.log('Connected to MongoDB successfully.');
+    if (mongoose.connection.readyState !== 1) {
+      console.log('Connecting to MongoDB...');
+      await mongoose.connect(config.MONGO_URI);
+      console.log('Connected to MongoDB successfully.');
+    }
+
+    let rolesCreatedCount = 0;
+    let rolesUpdatedCount = 0;
 
     for (const roleDef of defaultRoles) {
       const existing = await Role.findOne({ name: roleDef.name });
@@ -104,13 +109,16 @@ const seedDatabase = async () => {
         existing.permissions = roleDef.permissions;
         existing.isSystem = roleDef.isSystem;
         await existing.save();
+        rolesUpdatedCount++;
         console.log(`Updated existing role: ${roleDef.name}`);
       } else {
         await Role.create(roleDef);
+        rolesCreatedCount++;
         console.log(`Created new role: ${roleDef.name}`);
       }
     }
 
+    let superAdminStatus = 'unchanged';
     // Ensure SuperAdmin user exists
     const superAdminRole = await Role.findOne({ name: 'SuperAdmin' });
     if (superAdminRole) {
@@ -128,17 +136,34 @@ const seedDatabase = async () => {
           role: superAdminRole._id,
           isActive: true
         });
+        superAdminStatus = 'created';
         console.log(`SuperAdmin user created (${config.SUPERADMIN_USERNAME}).`);
+      } else {
+        superAdminStatus = 'already_exists';
       }
     }
 
     console.log('Database seeding completed successfully.');
+    return {
+      success: true,
+      rolesCreatedCount,
+      rolesUpdatedCount,
+      superAdminStatus,
+      superAdminUsername: config.SUPERADMIN_USERNAME
+    };
   } catch (error) {
     console.error('Database seeding failed:', error);
+    throw error;
   } finally {
-    await mongoose.disconnect();
-    console.log('Disconnected from MongoDB.');
+    if (disconnectOnComplete) {
+      await mongoose.disconnect();
+      console.log('Disconnected from MongoDB.');
+    }
   }
 };
 
-seedDatabase();
+if (require.main === module) {
+  seedDatabase({ disconnectOnComplete: true });
+}
+
+module.exports = seedDatabase;