feat: implement scenario-driven sales SOP platform

codes/internal/migration/migration.go

@@ -0,0 +1,35 @@
+package migration
+
+import (
+	"errors"
+	"fmt"
+	"io/fs"
+
+	"github.com/golang-migrate/migrate/v4"
+	migratemysql "github.com/golang-migrate/migrate/v4/database/mysql"
+	"github.com/golang-migrate/migrate/v4/source/iofs"
+	"gorm.io/gorm"
+)
+
+func Run(db *gorm.DB, files fs.FS) error {
+	sqlDB, err := db.DB()
+	if err != nil {
+		return fmt.Errorf("get sql database: %w", err)
+	}
+	driver, err := migratemysql.WithInstance(sqlDB, &migratemysql.Config{})
+	if err != nil {
+		return fmt.Errorf("create migration database driver: %w", err)
+	}
+	source, err := iofs.New(files, "migrations")
+	if err != nil {
+		return fmt.Errorf("create migration source: %w", err)
+	}
+	m, err := migrate.NewWithInstance("iofs", source, "mysql", driver)
+	if err != nil {
+		return fmt.Errorf("create migrator: %w", err)
+	}
+	if err := m.Up(); err != nil && !errors.Is(err, migrate.ErrNoChange) {
+		return fmt.Errorf("run migrations: %w", err)
+	}
+	return nil
+}