yonlu
265a9ea8ce
- Wire saveEdit() to WriteTrackTagsByPath with diff-only TagChanges map - Add cover art selection via ImageFilePicker with instant blob preview - Add cover art removal (× button) with clearCoverArt state - Show saving indicator and disable buttons during save - Display errors inline in action bar; edit mode stays active on error - Add ReadFile Go method on FrontendUtil to read cover art bytes - Add Wails binding for ReadFile - Clean up all edit state (editValues, pendingCoverArt, errorMessage) on close/cancel
106 lines
2.4 KiB
Go
106 lines
2.4 KiB
Go
// Package frontendutil provides Go functions bound to the frontend.
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package frontendutil
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import (
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"context"
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"fmt"
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"os"
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"github.com/wailsapp/wails/v2/pkg/runtime"
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)
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// FrontendUtil provides frontend-bound Go functions.
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type FrontendUtil struct {
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ctx context.Context
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}
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// NewFrontendUtil creates a new FrontendUtil instance.
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func NewFrontendUtil() (*FrontendUtil, error) {
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return &FrontendUtil{}, nil
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}
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// SetContext sets the Wails runtime context.
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func (fe *FrontendUtil) SetContext(ctx context.Context) {
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fe.ctx = ctx
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}
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// DirectoryPicker opens a directory selection dialog.
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func (fe *FrontendUtil) DirectoryPicker() (string, error) {
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runtime.LogInfo(fe.ctx, "selecting a directory")
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dir, err := runtime.OpenDirectoryDialog(
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fe.ctx,
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runtime.OpenDialogOptions{})
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if err != nil {
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return "", fmt.Errorf(
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"could not open directory dialog\n%w", err,
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)
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}
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return dir, nil
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}
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// PlaylistFilePicker opens a file selection dialog filtered
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// to M3U/M3U8 playlist files. Multiple files may be selected.
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func (fe *FrontendUtil) PlaylistFilePicker() (
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[]string,
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error,
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) {
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runtime.LogInfo(fe.ctx, "selecting playlist files")
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files, err := runtime.OpenMultipleFilesDialog(
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fe.ctx,
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runtime.OpenDialogOptions{
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Title: "Import Playlist",
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Filters: []runtime.FileFilter{
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{
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DisplayName: "Playlist Files (*.m3u, *.m3u8)",
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Pattern: "*.m3u;*.m3u8",
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},
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},
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},
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)
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if err != nil {
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return nil, fmt.Errorf(
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"could not open file dialog: %w", err,
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)
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}
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return files, nil
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}
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// ImageFilePicker opens a file selection dialog filtered to image
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// files (JPEG, PNG). Returns the selected file path, or empty
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// string if the user cancelled.
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func (fe *FrontendUtil) ImageFilePicker() (string, error) {
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file, err := runtime.OpenFileDialog(
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fe.ctx,
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runtime.OpenDialogOptions{
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Title: "Select Cover Art",
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Filters: []runtime.FileFilter{
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{
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DisplayName: "Image Files (*.jpg, *.jpeg, *.png)",
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Pattern: "*.jpg;*.jpeg;*.png",
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},
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},
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},
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)
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if err != nil {
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return "", fmt.Errorf("could not open file dialog: %w", err)
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}
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return file, nil
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}
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// ReadFile reads a file from disk and returns its contents.
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// Used by the frontend to read cover art image files selected
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// via ImageFilePicker.
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func (fe *FrontendUtil) ReadFile(path string) ([]byte, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("read file %q: %w", path, err)
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}
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return data, nil
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}
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