Overhaul [1/n]

Signed-off-by: Sean Du <do4suki@gmail.com>

pkg/db/db.go

@@ -2,30 +2,22 @@ package db
 
 import (
 	"fmt"
-	"honoka-chan/pkg/utils"
-	"os"
 
 	_ "modernc.org/sqlite"
 	"xorm.io/xorm"
 )
 
 var (
-	DB *Instance
+	Ldb *LdbInstance
 
-	ExampleDb = "assets/data.example.db"
-	MainDb    = "assets/main.db"
-	UserDb    = "assets/data.db"
-	MainEng   *xorm.Engine
-	UserEng   *xorm.Engine
+	MainDb  = "assets/main.db"
+	UserDb  = "assets/data.db"
+	MainEng *xorm.Engine
+	UserEng *xorm.Engine
 )
 
 func init() {
-	DB = GetInstance()
-
-	_, err := os.Stat(UserDb)
-	if err != nil {
-		utils.WriteAllText(UserDb, utils.ReadAllText(ExampleDb))
-	}
+	Ldb = GetLdbInstance()
 
 	eng, err := xorm.NewEngine("sqlite", MainDb)
 	if err != nil {
@@ -53,7 +45,7 @@ func init() {
 }
 
 func MatchTokenUid(token, uid string) bool {
-	res, err := DB.Get([]byte(uid))
+	res, err := Ldb.Get([]byte(uid))
 	if err != nil {
 		fmt.Println(err)
 		return false