Error code standardization

pkg/common/db/model/user.go

@@ -0,0 +1,23 @@
+package model
+
+import (
+	"Open_IM/pkg/common/db/mysql"
+	"context"
+)
+
+type UserModel struct {
+	db *mysql.User
+}
+
+func NewGroupUser(ctx context.Context) {
+	var userModel UserModel
+	userModel.db = mysql.NewUserDB()
+}
+
+func (u *UserModel) Find(ctx context.Context, userIDs []string) (users []*mysql.User, err error) {
+	return u.db.Find(ctx, userIDs)
+}
+
+func (u *UserModel) Create(ctx context.Context, users []*mysql.User) error {
+	return u.db.Create(ctx, users)
+}