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