legalgo-BE-go/database/new_db.go

package database

import (
	"fmt"

	"legalgo-BE-go/config"

	"gorm.io/driver/postgres"
	"gorm.io/gorm"
)

type DB struct {
	*gorm.DB
}

func NewDB(cfg *config.Config) (*DB, error) {
	dsn := fmt.Sprintf(
		"host=%s user=%s password=%s dbname=%s port=%v sslmode=disable",
		cfg.Database.Host,
		cfg.Database.Username,
		cfg.Database.Password,
		cfg.Database.DB,
		cfg.Database.Port,
	)

	if dsn == "" {
		return nil, fmt.Errorf("DATABASE_URL environment is not set")
	}

	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})

	if err != nil {
		return nil, fmt.Errorf("failed to connect to database: %w", err)
	}

	return &DB{db}, nil
}

func (db *DB) DropTables() error {
	// Auto Migrate the User model
	return db.Migrator().DropTable(
		&Tag{},
		&Category{},
		&News{},
	)
}
func (db *DB) Migrate() error {
	// Auto Migrate the User model
	return db.AutoMigrate(
		&Staff{},
		&SubscribePlan{},
		&Subscribe{},
		&User{},
		&News{},
		&Tag{},
		&Category{},
		&Ads{},
		&LogAds{},
		&LogNews{},
	)
}