package services import ( "encoding/json" "github.com/adrg/sysfont" "net/http" "sort" "strings" "sync" storage2 "tinyrdm/backend/storage" "tinyrdm/backend/types" "tinyrdm/backend/utils/coll" ) type preferencesService struct { pref *storage2.PreferencesStorage clientVersion string } var preferences *preferencesService var oncePreferences sync.Once func Preferences() *preferencesService { if preferences == nil { oncePreferences.Do(func() { preferences = &preferencesService{ pref: storage2.NewPreferences(), clientVersion: "", } }) } return preferences } func (p *preferencesService) GetPreferences() (resp types.JSResp) { resp.Data = p.pref.GetPreferences() resp.Success = true return } func (p *preferencesService) SetPreferences(values map[string]any) (resp types.JSResp) { err := p.pref.SetPreferencesN(values) if err != nil { resp.Msg = err.Error() return } resp.Success = true return } func (p *preferencesService) RestorePreferences() (resp types.JSResp) { defaultPref := p.pref.RestoreDefault() resp.Data = map[string]any{ "pref": defaultPref, } resp.Success = true return } type FontItem struct { Name string `json:"name"` Path string `json:"path"` } func (p *preferencesService) GetFontList() (resp types.JSResp) { finder := sysfont.NewFinder(nil) fontSet := coll.NewSet[string]() var fontList []FontItem for _, font := range finder.List() { if len(font.Family) > 0 && !strings.HasPrefix(font.Family, ".") && fontSet.Add(font.Family) { fontList = append(fontList, FontItem{ Name: font.Family, Path: font.Filename, }) } } sort.Slice(fontList, func(i, j int) bool { return fontList[i].Name < fontList[j].Name }) resp.Data = map[string]any{ "fonts": fontList, } resp.Success = true return } func (p *preferencesService) SetAppVersion(ver string) { if !strings.HasPrefix(ver, "v") { p.clientVersion = "v" + ver } else { p.clientVersion = ver } } func (p *preferencesService) GetAppVersion() (resp types.JSResp) { resp.Success = true resp.Data = map[string]any{ "version": p.clientVersion, } return } type latestRelease struct { Name string `json:"name"` TagName string `json:"tag_name"` Url string `json:"url"` HtmlUrl string `json:"html_url"` } func (p *preferencesService) CheckForUpdate() (resp types.JSResp) { // request latest version res, err := http.Get("https://api.github.com/repos/tiny-craft/tiny-rdm/releases/latest") if err != nil || res.StatusCode != http.StatusOK { resp.Msg = "network error" return } var respObj latestRelease err = json.NewDecoder(res.Body).Decode(&respObj) if err != nil { resp.Msg = "invalid content" return } // compare with current version resp.Success = true resp.Data = map[string]any{ "version": p.clientVersion, "latest": respObj.TagName, "page_url": respObj.HtmlUrl, } return }