lc-fangdaosha/initialize/gorm.go

package initialize

import (
	"fmt"
	"github.com/flipped-aurora/gin-vue-admin/server/model/system"
	"go.uber.org/zap"
	"gorm.io/driver/mysql"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"
	"gorm.io/gorm/schema"
	"lc-fangdaosha/global"
	"lc-fangdaosha/model/app"
	"log"
	"os"
	"time"
)

func Gorm() *gorm.DB {
	m := global.Config.Mysql
	fmt.Println("mysql配置:", m)
	if m.Dbname == "" {
		return nil
	}
	mysqlConfig := mysql.Config{
		DSN:                       m.Dsn(), // DSN data source name
		DefaultStringSize:         191,     // string 类型字段的默认长度
		SkipInitializeWithVersion: false,   // 根据版本自动配置
	}
	if db, err := gorm.Open(mysql.New(mysqlConfig), config(m.Prefix, m.Singular)); err != nil {
		log.Fatalln("29:", err)
		return nil
	} else {
		db.InstanceSet("gorm:table_options", "ENGINE="+m.Engine)
		sqlDB, _ := db.DB()
		sqlDB.SetMaxIdleConns(m.MaxIdleConns)
		sqlDB.SetMaxOpenConns(m.MaxOpenConns)
		return db
	}
}
func RegisterTables() {
	db := global.Db
	err := db.AutoMigrate(
		system.SysApi{},
		system.SysUser{},
		system.SysBaseMenu{},
		system.JwtBlacklist{},
		system.SysAuthority{},
		//system.SysDictionary{},
		system.SysOperationRecord{},
		//system.SysAutoCodeHistory{},
		system.SysDictionaryDetail{},
		//system.SysBaseMenuParameter{},
		system.SysBaseMenuBtn{},
		system.SysAuthorityBtn{},
		//system.SysAutoCode{},
		//system.SysChatGptOption{},
		//example.ExaFile{},
		//example.ExaCustomer{},
		//example.ExaFileChunk{},
		//example.ExaFileUploadAndDownload{},
		app.Camera{}, app.Picture{}, app.PictureData{}, app.Gateway{}, app.Event{},
	)
	if err != nil {
		global.GVA_LOG.Error("register table failed", zap.Error(err))
		os.Exit(0)
	}
	global.GVA_LOG.Info("register table success")
}

type DBBASE interface {
	GetLogMode() string
}

func config(prefix string, singular bool) *gorm.Config {
	config := &gorm.Config{
		NamingStrategy: schema.NamingStrategy{
			TablePrefix:   prefix,
			SingularTable: singular,
		},
		DisableForeignKeyConstraintWhenMigrating: true,
	}
	_default := logger.New(log.New(os.Stdout, "\r\n", log.LstdFlags), logger.Config{
		SlowThreshold: 200 * time.Millisecond,
		LogLevel:      logger.Warn,
		Colorful:      true,
	})
	var logMode DBBASE
	logMode = &global.Config.Mysql

	switch logMode.GetLogMode() {
	case "silent", "Silent":
		config.Logger = _default.LogMode(logger.Silent)
	case "error", "Error":
		config.Logger = _default.LogMode(logger.Error)
	case "warn", "Warn":
		config.Logger = _default.LogMode(logger.Warn)
	case "info", "Info":
		config.Logger = _default.LogMode(logger.Info)
	default:
		config.Logger = _default.LogMode(logger.Info)
	}
	return config
}