feat: import services and standardize Go 1.26.5

apps/ec/order/internal/models/impl.go

@@ -0,0 +1,87 @@
+package models
+
+import (
+	"log"
+	"strings"
+
+	"git.apinb.com/bsm-sdk/core/database/sql"
+	"git.apinb.com/bsm-sdk/core/types"
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+var DBService *gorm.DB
+
+var migrateTables = []any{
+	&OrderCart{},
+	&OrderCoupon{},
+	&OrderDetails{},
+	&OrderSummary{},
+}
+
+func New(driver string, dsn []string, options *types.SqlOptions) (err error) {
+	driver = strings.ToLower(driver)
+
+	switch driver {
+	case "mysql":
+		DBService, err = NewMysql(dsn, options)
+	case "postgres":
+		DBService, err = NewPostgres(dsn, options)
+	default:
+		log.Fatalln("Unsupported database driver:", driver)
+		return
+	}
+
+	if err != nil {
+		log.Fatalln(err)
+		return err
+	}
+
+	// auto migrate table.
+	err = DBService.AutoMigrate(migrateTables...)
+	if err != nil {
+		log.Fatalln(err)
+		return err
+	}
+
+	return
+}
+
+func NewMysql(dsn []string, options *types.SqlOptions) (gormDb *gorm.DB, err error) {
+	//set connection default val.
+	options = sql.SetOptions(options)
+
+	gormDb, err = gorm.Open(mysql.Open(dsn[0]), &gorm.Config{
+		SkipDefaultTransaction: true,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if options.Debug {
+		gormDb = gormDb.Debug()
+	}
+
+	// 获取通用数据库对象 sql.DB ，然后使用其提供的功能
+	sqlDB, _ := gormDb.DB()
+	// SetMaxIdleConns 用于设置连接池中空闲连接的最大数量。
+	sqlDB.SetMaxIdleConns(options.MaxIdleConns)
+	// SetMaxOpenConns 设置打开数据库连接的最大数量。
+	sqlDB.SetMaxOpenConns(options.MaxOpenConns)
+	// SetConnMaxLifetime 设置了连接可复用的最大时间。
+	sqlDB.SetConnMaxLifetime(options.ConnMaxLifetime)
+
+	return gormDb, nil
+}
+
+func NewPostgres(dsn []string, options *types.SqlOptions) (gormDb *gorm.DB, err error) {
+	//set connection default val.
+	options = sql.SetOptions(options)
+
+	db, err := sql.NewPostgreSql(dsn[0], options)
+	if err != nil {
+		return nil, err
+	}
+	db = db.Debug()
+	return db, nil
+}