feat 微信登录

internal/dao/repository/users.go

@@ -82,3 +82,18 @@ func (d *UserDao) FindByPhone(phone string) (*model.User, error) {
 	}
 	return first, nil
 }
+
+// FindByWxUnionIDOrOpenID 通过微信unionID或openID查找用户
+func (d *UserDao) FindByWxUnionIDOrOpenID(unionID, openID string) (*model.User, error) {
+	q := d.query.User.WithContext(d.ctx)
+	if unionID != "" {
+		q = q.Where(d.query.User.WxUnionID.Eq(unionID))
+	} else {
+		q = q.Where(d.query.User.WxMiniOpenID.Eq(openID))
+	}
+	first, err := q.First()
+	if err != nil {
+		return nil, err
+	}
+	return first, nil
+}