feat: complete login

backend/app/models/users.go

@@ -227,3 +227,23 @@ func (m *usersModel) PostList(ctx context.Context, userId int64, pagination *req
 		Pagination: *pagination,
 	}, nil
 }
+
+// GetUserIDByOpenID
+func (m *usersModel) GetUserByOpenID(ctx context.Context, openID string) (*model.Users, error) {
+	tbl := table.Users
+
+	stmt := tbl.
+		SELECT(tbl.AllColumns).
+		WHERE(
+			tbl.OpenID.EQ(String(openID)),
+		)
+	m.log.Infof("sql: %s", stmt.DebugSql())
+
+	var user model.Users
+	if err := stmt.QueryContext(ctx, db, &user); err != nil {
+		m.log.Errorf("error querying user by OpenID: %v", err)
+		return nil, err
+	}
+
+	return &user, nil
+}