feat: Refactor database configuration loading and seeding logic for improved clarity and maintainability

backend/internal/models/db.go

@@ -114,64 +114,6 @@ func MigrateDB() error {
 	return nil
 }
 
-// SeedDB seeds the database with initial data if needed
-func SeedDB(ctx context.Context) error {
-	if defaultDB == nil {
-		return errors.New("database not initialized")
-	}
-
-	log.Println("Checking if database seeding is needed...")
-
-	// Check if we need to seed (e.g., no companies exist)
-	var count int64
-	if err := defaultDB.Model(&Company{}).Count(&count).Error; err != nil {
-		return fmt.Errorf("error checking if seeding is needed: %w", err)
-	}
-
-	// If data already exists, skip seeding
-	if count > 0 {
-		log.Println("Database already contains data, skipping seeding")
-		return nil
-	}
-
-	log.Println("Seeding database with initial data...")
-
-	// Start a transaction for all seed operations
-	return defaultDB.Transaction(func(tx *gorm.DB) error {
-		// Create a default company
-		defaultCompany := Company{
-			Name: "Default Company",
-		}
-		if err := tx.Create(&defaultCompany).Error; err != nil {
-			return fmt.Errorf("error creating default company: %w", err)
-		}
-
-		// Create an admin user
-		adminUser := User{
-			Email:      "admin@example.com",
-			Role:       RoleAdmin,
-			CompanyID:  defaultCompany.ID,
-			HourlyRate: 100.0,
-		}
-
-		// Hash a default password
-		pwData, err := HashPassword("Admin@123456")
-		if err != nil {
-			return fmt.Errorf("error hashing password: %w", err)
-		}
-
-		adminUser.Salt = pwData.Salt
-		adminUser.Hash = pwData.Hash
-
-		if err := tx.Create(&adminUser).Error; err != nil {
-			return fmt.Errorf("error creating admin user: %w", err)
-		}
-
-		log.Println("Database seeding completed successfully")
-		return nil
-	})
-}
-
 // GetEngine returns the DB instance, possibly with context
 func GetEngine(ctx context.Context) *gorm.DB {
 	if defaultDB == nil {