fix:#41 added error if html request isn't 200

services/data-manager/service/fetch/htmlDownloader.go

@@ -17,8 +17,10 @@
 package fetch
 
 import (
+	"errors"
 	"fmt"
 	"io"
+	"log/slog"
 	"net/http"
 	"time"
 )
@@ -26,18 +28,27 @@ import (
 // getPlanHTML Get the HTML document from the specified URL
 
 func GetHTML(url string) (string, error) {
-
 	// Create HTTP client with timeout of 5 seconds
 	client := http.Client{
 		Timeout: 30 * time.Second,
 	}
+	return GetHTMLWithClient(url, &client)
+}
+
+func GetHTMLWithClient(url string, client *http.Client) (string, error) {
 
 	// Send GET request
 	response, err := client.Get(url)
 	if err != nil {
-		fmt.Printf("Error occurred while making the request: %s\n", err.Error())
+		slog.Error("Error occurred while fetching the HTML document:", "error", err)
 		return "", err
 	}
+
+	if response.StatusCode != 200 {
+		slog.Warn("While fetching the HTML document, the server responded with status code: ", "status", response.StatusCode)
+		return "", errors.New(fmt.Sprintf("Server responded with status code: %d", response.StatusCode))
+	}
+
 	defer func(Body io.ReadCloser) {
 		err := Body.Close()
 		if err != nil {