tiny-rdm/backend/services/preferences_service.go

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package services
import (
"encoding/json"
"github.com/adrg/sysfont"
"net/http"
"sort"
"strings"
"sync"
"tinyrdm/backend/consts"
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(pf types.Preferences) (resp types.JSResp) {
err := p.pref.SetPreferences(&pf)
if err != nil {
resp.Msg = err.Error()
return
}
resp.Success = true
return
}
func (p *preferencesService) UpdatePreferences(value map[string]any) (resp types.JSResp) {
err := p.pref.UpdatePreferences(value)
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
}
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func (p *preferencesService) SetAppVersion(ver string) {
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if !strings.HasPrefix(ver, "v") {
p.clientVersion = "v" + ver
} else {
p.clientVersion = ver
}
}
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func (p *preferencesService) GetAppVersion() (resp types.JSResp) {
resp.Success = true
resp.Data = map[string]any{
"version": p.clientVersion,
}
return
}
func (p *preferencesService) SaveWindowSize(width, height int) {
if width >= consts.DEFAULT_WINDOW_WIDTH && height >= consts.DEFAULT_WINDOW_HEIGHT {
p.UpdatePreferences(map[string]any{
"behavior.windowWidth": width,
"behavior.windowHeight": height,
})
}
}
func (p *preferencesService) GetWindowSize() (width, height int) {
data := p.pref.GetPreferences()
width, height = data.Behavior.WindowWidth, data.Behavior.WindowHeight
if width <= 0 {
width = consts.DEFAULT_WINDOW_WIDTH
}
if height <= 0 {
height = consts.DEFAULT_WINDOW_HEIGHT
}
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
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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
}