refac: decouple persistence and image storage behind driver registries

internal/infrastructure/persistence/database/driver.go

@@ -0,0 +1,52 @@
+package database
+
+import (
+	domainUpdate "RenewCMS/internal/domain/update"
+	"fmt"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Config struct {
+	Driver string
+	Source string
+}
+
+type Driver interface {
+	Open(source string) (*gorm.DB, error)
+	NewBackup(db *gorm.DB, directory string, now func() time.Time) domainUpdate.DatabaseBackup
+}
+
+var drivers = map[string]Driver{
+	DriverSQLite: sqliteDriver{},
+}
+
+type Connection struct {
+	DB     *gorm.DB
+	driver Driver
+}
+
+func Connect(config Config) (*Connection, error) {
+	driver, ok := drivers[config.Driver]
+	if !ok {
+		return nil, fmt.Errorf("unsupported database driver %q", config.Driver)
+	}
+	db, err := driver.Open(config.Source)
+	if err != nil {
+		return nil, err
+	}
+	return &Connection{DB: db, driver: driver}, nil
+}
+
+func (c *Connection) NewBackup(directory string, now func() time.Time) domainUpdate.DatabaseBackup {
+	return c.driver.NewBackup(c.DB, directory, now)
+}
+
+func (c *Connection) Close() error {
+	sqlDb, err := c.DB.DB()
+	if err != nil {
+		return err
+	}
+	return sqlDb.Close()
+}