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paopao-ce/internal/conf/db.go

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package conf
import (
"sync"
"time"
"github.com/go-redis/redis/v8"
"github.com/sirupsen/logrus"
"gorm.io/driver/mysql"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"gorm.io/gorm/schema"
"gorm.io/plugin/dbresolver"
)
var (
db *gorm.DB
Redis *redis.Client
once sync.Once
)
func MustGormDB() *gorm.DB {
once.Do(func() {
var err error
if db, err = newDBEngine(); err != nil {
logrus.Fatalf("new gorm db failed: %s", err)
}
})
return db
}
func newDBEngine() (*gorm.DB, error) {
newLogger := logger.New(
logrus.StandardLogger(), // io writer日志输出的目标前缀和日志包含的内容
logger.Config{
SlowThreshold: time.Second, // 慢 SQL 阈值
LogLevel: DatabaseSetting.logLevel(), // 日志级别
IgnoreRecordNotFoundError: true, // 忽略ErrRecordNotFound记录未找到错误
Colorful: false, // 禁用彩色打印
},
)
config := &gorm.Config{
Logger: newLogger,
NamingStrategy: schema.NamingStrategy{
TablePrefix: DatabaseSetting.TablePrefix,
SingularTable: true,
},
}
plugin := dbresolver.Register(dbresolver.Config{}).
SetConnMaxIdleTime(time.Hour).
SetConnMaxLifetime(24 * time.Hour).
SetMaxIdleConns(MysqlSetting.MaxIdleConns).
SetMaxOpenConns(MysqlSetting.MaxOpenConns)
var (
db *gorm.DB
err error
)
if CfgIf("MySQL") {
logrus.Debugln("use MySQL as db")
if db, err = gorm.Open(mysql.Open(MysqlSetting.Dsn()), config); err == nil {
db.Use(plugin)
}
} else if CfgIf("Postgres") {
logrus.Debugln("use PostgreSQL as db")
db, err = gorm.Open(postgres.Open(PostgresSetting.Dsn()), config)
} else if CfgIf("Sqlite3") {
logrus.Debugf("use Sqlite3 as db path:%s sqlite3InCgoEnabled:%t", Sqlite3Setting.Path, sqlite3InCgoEnabled)
db, err = gormOpenSqlite3(config)
} else {
logrus.Debugln("use default of MySQL as db")
if db, err = gorm.Open(mysql.Open(MysqlSetting.Dsn()), config); err == nil {
db.Use(plugin)
}
}
return db, err
}
func setupDBEngine() {
Redis = redis.NewClient(&redis.Options{
Addr: redisSetting.Host,
Password: redisSetting.Password,
DB: redisSetting.DB,
})
}