package services
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import (
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"os"
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"path/filepath"
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"strings"
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"time"
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"voicesnap/internal/userdict"
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"github.com/wailsapp/wails/v3/pkg/application"
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)
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// UserDictService exposes user dictionary management to the frontend.
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type UserDictService struct {
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store *userdict.Store
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app *application.App
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win application.Window
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}
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func NewUserDictService(store *userdict.Store) *UserDictService {
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return &UserDictService{store: store}
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}
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// SetApp sets the Wails app and parent window used for native dialogs.
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func (s *UserDictService) SetApp(app *application.App, win application.Window) {
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s.app = app
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s.win = win
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}
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// GetAll returns all replacement entries.
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func (s *UserDictService) GetAll() []userdict.Entry {
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return s.store.GetAll()
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}
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// GetPage returns one page of replacement entries.
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func (s *UserDictService) GetPage(page int, pageSize int) userdict.PageResult {
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return s.store.GetPage(page, pageSize)
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}
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// Add creates a replacement entry.
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func (s *UserDictService) Add(from, to string) (userdict.Entry, error) {
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return s.store.Add(from, to)
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}
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// Update modifies an existing replacement entry.
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func (s *UserDictService) Update(id int64, from, to string, enabled bool) (userdict.Entry, error) {
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return s.store.Update(id, from, to, enabled)
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}
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// Delete removes an entry by id.
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func (s *UserDictService) Delete(id int64) {
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s.store.Delete(id)
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}
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// ClearAll removes all entries.
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func (s *UserDictService) ClearAll() {
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s.store.ClearAll()
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}
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// ExportJSON returns the full userdict.json payload.
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func (s *UserDictService) ExportJSON() string {
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return s.store.ExportJSON()
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}
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// ExportToFile asks the user where to save userdict.json, writes it, and returns the path.
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func (s *UserDictService) ExportToFile() (string, error) {
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if s.app == nil {
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return "", os.ErrInvalid
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}
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home, _ := os.UserHomeDir()
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dialog := s.app.Dialog.SaveFile().
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SetMessage("导出用户词库").
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SetButtonText("导出").
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SetDirectory(filepath.Join(home, "Downloads")).
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SetFilename("userdict-"+time.Now().Format("20060102-1504")+".json").
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AddFilter("JSON Files", "*.json").
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CanCreateDirectories(true)
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if s.win != nil {
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dialog.AttachToWindow(s.win)
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}
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path, err := dialog.PromptForSingleSelection()
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if err != nil {
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return "", err
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}
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if path == "" {
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return "", nil
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}
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if strings.TrimSpace(filepath.Ext(path)) == "" {
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path += ".json"
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}
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if err := os.WriteFile(path, []byte(s.store.ExportJSON()), 0644); err != nil {
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return "", err
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}
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return path, nil
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}
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// ImportJSON replaces the dictionary from a JSON payload.
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func (s *UserDictService) ImportJSON(content string) error {
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return s.store.ImportJSON(content)
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}
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// GetPath returns the local userdict.json path.
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func (s *UserDictService) GetPath() string {
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return s.store.Path()
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}
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