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80 lines
2.6 KiB
80 lines
2.6 KiB
package mysql
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import (
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"Open_IM/pkg/common/config"
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"fmt"
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"time"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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func ConnectToDB() *gorm.DB {
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dsn := fmt.Sprintf("%s:%s@tcp(%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
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config.Config.Mysql.DBUserName, config.Config.Mysql.DBPassword, config.Config.Mysql.DBAddress[0], "mysql")
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var db *gorm.DB
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db, err := gorm.Open(mysql.Open(dsn), nil)
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if err != nil {
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time.Sleep(time.Duration(30) * time.Second)
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db, err = gorm.Open(mysql.Open(dsn), nil)
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if err != nil {
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panic(err.Error() + " open failed " + dsn)
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}
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}
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sql := fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s default charset utf8 COLLATE utf8_general_ci;", config.Config.Mysql.DBDatabaseName)
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err = db.Exec(sql).Error
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if err != nil {
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panic(err.Error() + " Exec failed:" + sql)
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}
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dsn = fmt.Sprintf("%s:%s@tcp(%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
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config.Config.Mysql.DBUserName, config.Config.Mysql.DBPassword, config.Config.Mysql.DBAddress[0], config.Config.Mysql.DBDatabaseName)
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newLogger := logger.New(
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Writer{},
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logger.Config{
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SlowThreshold: time.Duration(config.Config.Mysql.SlowThreshold) * time.Millisecond, // Slow SQL threshold
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LogLevel: logger.LogLevel(config.Config.Mysql.LogLevel), // Log level
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IgnoreRecordNotFoundError: true, // Ignore ErrRecordNotFound error for logger
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Colorful: true, // Disable color
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},
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)
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db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
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Logger: newLogger,
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})
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if err != nil {
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panic(err.Error() + " Open failed " + dsn)
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}
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sqlDB, err := db.DB()
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if err != nil {
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panic(err.Error() + " DB.DB() failed ")
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}
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sqlDB.SetConnMaxLifetime(time.Second * time.Duration(config.Config.Mysql.DBMaxLifeTime))
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sqlDB.SetMaxOpenConns(config.Config.Mysql.DBMaxOpenConns)
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sqlDB.SetMaxIdleConns(config.Config.Mysql.DBMaxIdleConns)
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return db
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}
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//models := []interface{}{&Friend{}, &FriendRequest{}, &Group{}, &GroupMember{}, &GroupRequest{},
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// &User{}, &Black{}, &ChatLog{}, &Conversation{}, &AppVersion{}}
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func initModel(db *gorm.DB, model interface{}) *gorm.DB {
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db.AutoMigrate(model)
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db.Set("gorm:table_options", "CHARSET=utf8")
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db.Set("gorm:table_options", "collation=utf8_unicode_ci")
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_ = db.Migrator().CreateTable(model)
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return db.Model(model)
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}
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type Writer struct{}
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func (w Writer) Printf(format string, args ...interface{}) {
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fmt.Printf(format, args...)
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}
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func getDBConn(db *gorm.DB, tx ...*gorm.DB) *gorm.DB {
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if len(tx) > 0 {
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return tx[0]
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}
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return db
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}
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