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db.go
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db.go
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package model
import (
"fmt"
"github.com/adlternative/tinygithub/pkg/config"
"github.com/onrik/gorm-logrus"
log "github.com/sirupsen/logrus"
"github.com/spf13/viper"
"gorm.io/driver/mysql"
"gorm.io/gorm"
)
type DBEngine struct {
*gorm.DB
userName string
passWord string
ip string
port string
name string
}
func NewDBEngine() *DBEngine {
return &DBEngine{}
}
func (db *DBEngine) init() error {
migrator := db.Migrator()
if viper.GetBool(config.DBSync) || !migrator.HasTable(&User{}) || !migrator.HasTable(&Password{}) || !migrator.HasTable(&Repository{}) {
return db.AutoMigrate(&User{}, &Password{}, &Repository{})
}
return nil
}
func (db *DBEngine) WithUserName(userName string) *DBEngine {
db.userName = userName
return db
}
func (db *DBEngine) WithPassword(password string) *DBEngine {
db.passWord = password
return db
}
func (db *DBEngine) WithIp(ip string) *DBEngine {
db.ip = ip
return db
}
func (db *DBEngine) WithPort(port string) *DBEngine {
db.port = port
return db
}
func (db *DBEngine) WithDBName(name string) *DBEngine {
db.name = name
return db
}
func (db *DBEngine) Run() error {
if db.userName == "" {
return fmt.Errorf("empty db userName")
}
if db.passWord == "" {
return fmt.Errorf("empty db password")
}
if db.name == "" {
return fmt.Errorf("empty db name")
}
if db.port == "" {
return fmt.Errorf("empty db port")
}
if db.ip == "" {
return fmt.Errorf("empty db ip")
}
dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local", db.userName, db.passWord, db.ip, db.port, db.name)
database, err := gorm.Open(mysql.Open(dsn), &gorm.Config{Logger: gorm_logrus.New()})
if err != nil {
return err
}
db.DB = database
err = db.init()
if err != nil {
return err
}
log.Infof("database(%s) (%s:%s) connect successes!", db.name, db.ip, db.port)
return nil
}