Move to Xorm [1/N]

Signed-off-by: Yuan Si <do4suki@gmail.com>

config/config.go

@@ -3,11 +3,42 @@
 // SPDX-License-Identifier: Apache-2.0
 package config
 
+import (
+	_ "github.com/mattn/go-sqlite3"
+	"xorm.io/xorm"
+)
+
 var (
 	ConfName = "config.yml"
 	Conf     = &AppConfigs{}
+	MainEng  *xorm.Engine
+	UserEng  *xorm.Engine
 )
 
 func init() {
 	Conf = Load(ConfName)
+
+	eng, err := xorm.NewEngine("sqlite3", "assets/main.db")
+	if err != nil {
+		panic(err)
+	}
+	err = eng.Ping()
+	if err != nil {
+		panic(err)
+	}
+	MainEng = eng
+	MainEng.SetMaxOpenConns(50)
+	MainEng.SetMaxIdleConns(10)
+
+	eng, err = xorm.NewEngine("sqlite3", "assets/account.db")
+	if err != nil {
+		panic(err)
+	}
+	err = eng.Ping()
+	if err != nil {
+		panic(err)
+	}
+	UserEng = eng
+	UserEng.SetMaxOpenConns(50)
+	MainEng.SetMaxIdleConns(10)
 }