Init: lab4 done

handlers/getUrl.go

@@ -0,0 +1,46 @@
+package handlers
+
+import (
+	"golang-lab4/middlewares"
+	"golang-lab4/models"
+	"net/http"
+
+	"github.com/uptrace/bunrouter"
+	"go.uber.org/zap"
+)
+
+// GetUrl
+//
+//	@param		url	query		string	true	"url"
+//	@success	200	{object}	models.UrlState
+//	@router		/url [get]
+func (self *Handlers) GetUrl(
+	w http.ResponseWriter,
+	req bunrouter.Request,
+) error {
+	ctx := req.Context()
+
+	url := req.URL.Query().Get("url")
+	if url == "" {
+		zap.L().Warn("url not exist")
+		return middlewares.HTTPError{
+			StatusCode: http.StatusBadRequest,
+			Message:    "url not provided",
+		}
+	}
+
+	var ret models.UrlState
+	err := self.db.NewSelect().
+		Model(&ret).
+		Where("url = ?", url).
+		Scan(ctx)
+	if err != nil {
+		return middlewares.HTTPError{
+			StatusCode:  http.StatusInternalServerError,
+			Message:     "failed to query db",
+			OriginError: err,
+		}
+	}
+
+	return bunrouter.JSON(w, ret)
+}