rewrite using IoC and DI

controller/core/provider.go

@@ -0,0 +1,114 @@
+package core
+
+import (
+	"AynaLivePlayer/config"
+	"AynaLivePlayer/controller"
+	"AynaLivePlayer/model"
+	"AynaLivePlayer/provider"
+)
+
+type ProviderController struct {
+	config.BaseConfig
+	Priority []string
+	LocalDir string
+}
+
+func (pc *ProviderController) Name() string {
+	return "Provider"
+}
+
+func NewProviderController() controller.IProviderController {
+	p := &ProviderController{
+		Priority: []string{"netease", "kuwo", "bilibili", "local", "bilibili-video"},
+		LocalDir: "./music",
+	}
+	config.LoadConfig(p)
+	provider.NewLocal(p.LocalDir)
+	return p
+}
+
+func (pc *ProviderController) GetPriority() []string {
+	return pc.Priority
+}
+
+func (pc *ProviderController) PrepareMedia(media *model.Media) error {
+	var err error
+	if media.Title == "" || !media.Cover.Exists() {
+		lg.Trace("fetching media info")
+		if err = provider.UpdateMedia(media); err != nil {
+			lg.Warn("fail to prepare media when fetch info", err)
+			return err
+		}
+	}
+	if media.Url == "" {
+		lg.Trace("fetching media url")
+		if err = provider.UpdateMediaUrl(media); err != nil {
+			lg.Warn("fail to prepare media when url", err)
+			return err
+		}
+	}
+	if media.Lyric == "" {
+		lg.Trace("fetching media lyric")
+		if err = provider.UpdateMediaLyric(media); err != nil {
+			lg.Warn("fail to prepare media when lyric", err)
+		}
+	}
+	return nil
+}
+
+func (pc *ProviderController) MediaMatch(keyword string) *model.Media {
+	lg.Infof("Match media for %s", keyword)
+	for _, p := range pc.Priority {
+		if pr, ok := provider.Providers[p]; ok {
+			m := pr.MatchMedia(keyword)
+			if m == nil {
+				continue
+			}
+			if err := provider.UpdateMedia(m); err == nil {
+				return m
+			}
+		} else {
+			lg.Warnf("Provider %s not exist", p)
+		}
+	}
+	return nil
+}
+
+func (pc *ProviderController) Search(keyword string) ([]*model.Media, error) {
+	lg.Infof("Search for %s", keyword)
+	for _, p := range pc.Priority {
+		if pr, ok := provider.Providers[p]; ok {
+			r, err := pr.Search(keyword)
+			if err != nil {
+				lg.Warn("Provider %s return err", err)
+				continue
+			}
+			return r, err
+		} else {
+			lg.Warnf("Provider %s not exist", p)
+		}
+	}
+	return nil, provider.ErrorNoSuchProvider
+}
+
+func (pc *ProviderController) SearchWithProvider(keyword string, p string) ([]*model.Media, error) {
+	lg.Infof("Search for %s using %s", keyword, p)
+	if pr, ok := provider.Providers[p]; ok {
+		r, err := pr.Search(keyword)
+		return r, err
+	}
+	lg.Warnf("Provider %s not exist", p)
+	return nil, provider.ErrorNoSuchProvider
+}
+
+func (pc *ProviderController) PreparePlaylist(playlist controller.IPlaylist) error {
+	lg.Debug("Prepare playlist ", playlist.Name())
+	medias, err := provider.GetPlaylist(&playlist.Model().Meta)
+	if err != nil {
+		lg.Warn("prepare playlist failed ", err)
+		return err
+	}
+	controller.ApplyUser(medias, controller.SystemUser)
+	playlist.Replace(medias)
+	return nil
+}