admin
e6956aa001
- React frontend with route-level code splitting - Backend rebranded from Baihu to TaskPool - DB brand migration script and local compatibility
131 lines
3.1 KiB
Go
131 lines
3.1 KiB
Go
package database
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/engigu/taskpool/internal/logger"
|
|
"github.com/engigu/taskpool/internal/systime"
|
|
|
|
"github.com/glebarez/sqlite"
|
|
"gorm.io/driver/mysql"
|
|
"gorm.io/driver/postgres"
|
|
"gorm.io/gorm"
|
|
gormlogger "gorm.io/gorm/logger"
|
|
)
|
|
|
|
var DB *gorm.DB
|
|
var DBConfig *Config
|
|
|
|
type Config struct {
|
|
Type string // sqlite, mysql, postgres
|
|
Host string
|
|
Port int
|
|
User string
|
|
Password string
|
|
DBName string
|
|
Path string // for sqlite
|
|
DSN string // for mysql/mariadb unix socket or custom dsn
|
|
SSLMode string // postgres: disable/require/verify-ca/verify-full; mysql: true/skip-verify
|
|
}
|
|
|
|
func Init(cfg *Config) error {
|
|
var err error
|
|
DBConfig = cfg
|
|
// 设置东八区时区
|
|
loc := systime.CST
|
|
time.Local = loc
|
|
|
|
dsn, err := buildDSN(cfg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var dialector gorm.Dialector
|
|
|
|
switch cfg.Type {
|
|
case "sqlite":
|
|
dialector = sqlite.Open(dsn)
|
|
case "mysql":
|
|
dialector = mysql.Open(dsn)
|
|
case "postgres":
|
|
dialector = postgres.Open(dsn)
|
|
default:
|
|
return fmt.Errorf("unsupported database type: %s", cfg.Type)
|
|
}
|
|
|
|
newLogger := gormlogger.New(
|
|
log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
|
|
gormlogger.Config{
|
|
SlowThreshold: time.Millisecond * 500, // 慢 SQL 阈值，默认是 200ms，这里改为 500ms
|
|
LogLevel: gormlogger.Warn, // 日志级别
|
|
IgnoreRecordNotFoundError: true, // 忽略 ErrRecordNotFound（找不到记录）错误
|
|
Colorful: true, // 禁用彩色打印
|
|
},
|
|
)
|
|
|
|
DB, err = gorm.Open(dialector, &gorm.Config{
|
|
Logger: newLogger,
|
|
NowFunc: func() time.Time {
|
|
return time.Now().In(loc)
|
|
},
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to connect database: %w", err)
|
|
}
|
|
|
|
logger.Infof("[Database] 已连接 %s 数据库 (时区: Asia/Shanghai)", cfg.Type)
|
|
|
|
// SQLite 特殊优化：开启 WAL 模式，提升并发性能
|
|
if cfg.Type == "sqlite" {
|
|
sqlDB, _ := DB.DB()
|
|
if sqlDB != nil {
|
|
sqlDB.SetMaxOpenConns(1) // SQLite 只允许单写连接
|
|
sqlDB.Exec("PRAGMA journal_mode=WAL")
|
|
sqlDB.Exec("PRAGMA synchronous=NORMAL")
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func AutoMigrate(models ...interface{}) error {
|
|
return DB.AutoMigrate(models...)
|
|
}
|
|
|
|
func GetDB() *gorm.DB {
|
|
return DB
|
|
}
|
|
|
|
func buildDSN(cfg *Config) (string, error) {
|
|
switch cfg.Type {
|
|
case "sqlite":
|
|
return cfg.Path + "?_busy_timeout=5000", nil
|
|
case "mysql":
|
|
if cfg.DSN != "" {
|
|
return cfg.DSN, nil
|
|
}
|
|
dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Asia%%2FShanghai",
|
|
cfg.User, cfg.Password, cfg.Host, cfg.Port, cfg.DBName)
|
|
if cfg.SSLMode != "" {
|
|
dsn += "&tls=" + cfg.SSLMode
|
|
}
|
|
return dsn, nil
|
|
case "postgres":
|
|
if cfg.DSN != "" {
|
|
return cfg.DSN, nil
|
|
}
|
|
sslMode := cfg.SSLMode
|
|
if sslMode == "" {
|
|
sslMode = "disable"
|
|
}
|
|
dsn := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s TimeZone=Asia/Shanghai",
|
|
cfg.Host, cfg.Port, cfg.User, cfg.Password, cfg.DBName, sslMode)
|
|
return dsn, nil
|
|
default:
|
|
return "", fmt.Errorf("unsupported database type: %s", cfg.Type)
|
|
}
|
|
}
|