v5.5

app.go

@@ -0,0 +1,160 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"spotiflac/backend"
+	"time"
+)
+
+// App struct
+type App struct {
+	ctx context.Context
+}
+
+// NewApp creates a new App application struct
+func NewApp() *App {
+	return &App{}
+}
+
+// startup is called when the app starts. The context is saved
+// so we can call the runtime methods
+func (a *App) startup(ctx context.Context) {
+	a.ctx = ctx
+}
+
+// SpotifyMetadataRequest represents the request structure for fetching Spotify metadata
+type SpotifyMetadataRequest struct {
+	URL     string  `json:"url"`
+	Batch   bool    `json:"batch"`
+	Delay   float64 `json:"delay"`
+	Timeout float64 `json:"timeout"`
+}
+
+// DownloadRequest represents the request structure for downloading tracks
+type DownloadRequest struct {
+	ISRC        string `json:"isrc"`
+	Service     string `json:"service"`
+	Query       string `json:"query,omitempty"`
+	ApiURL      string `json:"api_url,omitempty"`
+	OutputDir   string `json:"output_dir,omitempty"`
+	AudioFormat string `json:"audio_format,omitempty"`
+}
+
+// DownloadResponse represents the response structure for download operations
+type DownloadResponse struct {
+	Success bool   `json:"success"`
+	Message string `json:"message"`
+	File    string `json:"file,omitempty"`
+	Error   string `json:"error,omitempty"`
+}
+
+// GetSpotifyMetadata fetches metadata from Spotify
+func (a *App) GetSpotifyMetadata(req SpotifyMetadataRequest) (string, error) {
+	if req.URL == "" {
+		return "", fmt.Errorf("URL parameter is required")
+	}
+
+	if req.Delay == 0 {
+		req.Delay = 1.0
+	}
+	if req.Timeout == 0 {
+		req.Timeout = 300.0
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(req.Timeout*float64(time.Second)))
+	defer cancel()
+
+	data, err := backend.GetFilteredSpotifyData(ctx, req.URL, req.Batch, time.Duration(req.Delay*float64(time.Second)))
+	if err != nil {
+		return "", fmt.Errorf("failed to fetch metadata: %v", err)
+	}
+
+	jsonData, err := json.MarshalIndent(data, "", "  ")
+	if err != nil {
+		return "", fmt.Errorf("failed to encode response: %v", err)
+	}
+
+	return string(jsonData), nil
+}
+
+// DownloadTrack downloads a track by ISRC
+func (a *App) DownloadTrack(req DownloadRequest) (DownloadResponse, error) {
+	if req.ISRC == "" {
+		return DownloadResponse{
+			Success: false,
+			Error:   "ISRC is required",
+		}, fmt.Errorf("ISRC is required")
+	}
+
+	if req.Service == "" {
+		req.Service = "deezer"
+	}
+
+	if req.OutputDir == "" {
+		req.OutputDir = "."
+	}
+
+	if req.AudioFormat == "" {
+		req.AudioFormat = "LOSSLESS"
+	}
+
+	var err error
+	var filename string
+
+	if req.Service == "tidal" {
+		searchQuery := req.Query
+		if searchQuery == "" {
+			searchQuery = req.ISRC
+		}
+
+		if req.ApiURL == "" || req.ApiURL == "auto" {
+			downloader := backend.NewTidalDownloader("")
+			filename, err = downloader.DownloadWithFallback(searchQuery, req.ISRC, req.OutputDir, req.AudioFormat)
+		} else {
+			downloader := backend.NewTidalDownloader(req.ApiURL)
+			filename, err = downloader.Download(searchQuery, req.ISRC, req.OutputDir, req.AudioFormat)
+		}
+	} else {
+		downloader := backend.NewDeezerDownloader()
+		err = downloader.DownloadByISRC(req.ISRC, req.OutputDir)
+		if err == nil {
+			filename = "Downloaded via Deezer"
+		}
+	}
+
+	if err != nil {
+		return DownloadResponse{
+			Success: false,
+			Error:   fmt.Sprintf("Download failed: %v", err),
+		}, err
+	}
+
+	return DownloadResponse{
+		Success: true,
+		Message: "Download completed successfully",
+		File:    filename,
+	}, nil
+}
+
+// OpenFolder opens a folder in the file explorer
+func (a *App) OpenFolder(path string) error {
+	if path == "" {
+		return fmt.Errorf("path is required")
+	}
+
+	err := backend.OpenFolderInExplorer(path)
+	if err != nil {
+		return fmt.Errorf("failed to open folder: %v", err)
+	}
+
+	return nil
+}
+
+// GetDefaults returns the default configuration
+func (a *App) GetDefaults() map[string]string {
+	return map[string]string{
+		"downloadPath": backend.GetDefaultMusicPath(),
+	}
+}