fix(importer): correctly parse curseforge download url JSON response

internal/core/importer/curseforge.go

@@ -57,8 +57,8 @@ func (i *CurseForgeImporter) downloadAndProcessFile(url string) (hash string, si
 
 // getFileDownloadURL получает прямую ссылку на скачивание файла с API CurseForge.
 func (i *CurseForgeImporter) getFileDownloadURL(projectID, fileID int) (string, error) {
-	url := fmt.Sprintf("https://api.curseforge.com/v1/mods/%d/files/%d/download-url", projectID, fileID)
-	req, err := http.NewRequestWithContext(context.Background(), "GET", url, nil)
+	apiURL := fmt.Sprintf("https://api.curseforge.com/v1/mods/%d/files/%d/download-url", projectID, fileID)
+	req, err := http.NewRequestWithContext(context.Background(), "GET", apiURL, nil)
 	if err != nil {
 		return "", err
 	}
@@ -71,27 +71,21 @@ func (i *CurseForgeImporter) getFileDownloadURL(projectID, fileID int) (string,
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
-		if resp.StatusCode == http.StatusFound || resp.StatusCode == http.StatusMovedPermanently {
-			location, err := resp.Location()
-			if err != nil {
-				return "", fmt.Errorf("failed to get redirect location: %w", err)
-			}
-			return location.String(), nil
-		}
 		return "", fmt.Errorf("bad status getting download URL: %s", resp.Status)
 	}
 
-	bodyBytes, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return "", fmt.Errorf("failed to read download URL response body: %w", err)
+	var result struct {
+		Data string `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return "", fmt.Errorf("failed to decode download URL response: %w", err)
 	}
 
-	downloadURL := string(bodyBytes)
-	if downloadURL == "" {
-		return "", fmt.Errorf("received empty download URL")
+	if result.Data == "" {
+		return "", fmt.Errorf("received empty download URL from API")
 	}
 
-	return downloadURL, nil
+	return result.Data, nil
 }
 
 // findModpackBySlug ищет ID проекта по его "слагу" (части URL).

internal/core/importer/curseforge_types.go

@@ -40,9 +40,3 @@ type CurseForgeFilesResponse struct {
 		TotalCount int `json:"totalCount"`
 	} `json:"pagination"`
 }
-
-type CurseForgeFileResponse struct {
-	Data struct {
-		DownloadURL string `json:"downloadUrl"`
-	} `json:"data"`
-}