feat(modpack): added curseforge import by url

internal/api/modpack_handler.go

@@ -25,40 +25,14 @@ func (h *ModpackHandler) ImportModpack(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// Получаем тип импортера и метод из формы
 	importerType := r.FormValue("importerType")
 	importMethod := r.FormValue("importMethod")
-	//	sourceURL := r.FormValue("sourceUrl")
+	sourceURL := r.FormValue("sourceUrl")
 
-	// --- Получаем zip-файл ---
-	tempFile, err := os.CreateTemp("", "modpack-*.zip")
-	if err != nil {
-		http.Error(w, "Could not create temp file", http.StatusInternalServerError)
-		return
-	}
-	defer os.Remove(tempFile.Name())
-	defer tempFile.Close()
+	var tempZipPath string
+	var err error
 
-	if importMethod == "file" {
-		file, _, err := r.FormFile("file")
-		if err != nil {
-			http.Error(w, "Invalid file upload", http.StatusBadRequest)
-			return
-		}
-		defer file.Close()
-		if _, err := io.Copy(tempFile, file); err != nil {
-			http.Error(w, "Could not save temp file", http.StatusInternalServerError)
-			return
-		}
-	} else if importMethod == "url" {
-		http.Error(w, "Import by URL is not implemented yet", http.StatusNotImplemented)
-		return
-	} else {
-		http.Error(w, "Invalid import method", http.StatusBadRequest)
-		return
-	}
-
-	// --- Выбираем и запускаем импортер ---
+	// --- Выбираем импортер ---
 	var imp importer.ModpackImporter
 	storagePath := os.Getenv("MODPACKS_STORAGE_PATH")
 
@@ -77,7 +51,49 @@ func (h *ModpackHandler) ImportModpack(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	files, err := imp.Import(tempFile.Name())
+	// --- Получаем zip-файл ---
+	if importMethod == "file" {
+		file, _, err := r.FormFile("file")
+		if err != nil {
+			http.Error(w, "Invalid file upload", http.StatusBadRequest)
+			return
+		}
+		defer file.Close()
+
+		tempFile, err := os.CreateTemp("", "modpack-*.zip")
+		if err != nil {
+			http.Error(w, "Could not create temp file", http.StatusInternalServerError)
+			return
+		}
+		defer tempFile.Close()
+		defer os.Remove(tempFile.Name())
+
+		if _, err := io.Copy(tempFile, file); err != nil {
+			http.Error(w, "Could not save temp file", http.StatusInternalServerError)
+			return
+		}
+		tempZipPath = tempFile.Name()
+
+	} else if importMethod == "url" {
+		cfImporter, ok := imp.(*importer.CurseForgeImporter)
+		if !ok {
+			http.Error(w, "Importer type does not support URL import", http.StatusBadRequest)
+			return
+		}
+		tempZipPath, err = cfImporter.DownloadModpackFromURL(sourceURL)
+		if err != nil {
+			http.Error(w, fmt.Sprintf("Failed to download from URL: %v", err), http.StatusInternalServerError)
+			return
+		}
+		defer os.Remove(tempZipPath)
+
+	} else {
+		http.Error(w, "Invalid import method", http.StatusBadRequest)
+		return
+	}
+
+	// --- Запускаем импорт ---
+	files, err := imp.Import(tempZipPath)
 	if err != nil {
 		http.Error(w, fmt.Sprintf("Import failed: %v", err), http.StatusInternalServerError)
 		return