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refactor: extract audiofile.go from playlist.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| // Copyright (C) 2020 Raziman | ||
|
|
||
| package player | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "sort" | ||
| "time" | ||
|
|
||
| "github.com/rivo/tview" | ||
| "github.com/tramhao/id3v2" | ||
| "github.com/ztrue/tracerr" | ||
| ) | ||
|
|
||
| var _ Audio = (*AudioFile)(nil) | ||
|
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| // AudioFile represents directories and mp3 files | ||
| // isAudioFile equals to false if it is a directory | ||
| type AudioFile struct { | ||
| name string | ||
| path string | ||
| isAudioFile bool | ||
| length time.Duration | ||
| node *tview.TreeNode | ||
| parent *tview.TreeNode | ||
| } | ||
|
|
||
| // NewAudioFile return a new instance of Audiofile | ||
| func NewAudioFile() *AudioFile { | ||
| return &AudioFile{} | ||
| } | ||
|
|
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| // Name return the name of AudioFile | ||
| func (a *AudioFile) Name() string { | ||
| return a.name | ||
| } | ||
|
|
||
| // SetName set the name of AudioFile | ||
| func (a *AudioFile) SetName(name string) { | ||
| if name == "" { | ||
| return | ||
| } | ||
| a.name = name | ||
| } | ||
|
|
||
| // Path return the path of AudioFile | ||
| func (a *AudioFile) Path() string { | ||
| return a.path | ||
| } | ||
|
|
||
| // SetPath return the path of AudioFile | ||
| func (a *AudioFile) SetPath(path string) { | ||
| a.path = path | ||
| } | ||
|
|
||
| // IsAudioFile check if the file is song or directory | ||
| func (a *AudioFile) IsAudioFile() bool { | ||
| return a.isAudioFile | ||
| } | ||
|
|
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| // SetIsAudioFile check if the file is song or directory | ||
| func (a *AudioFile) SetIsAudioFile(isAudioFile bool) { | ||
| a.isAudioFile = isAudioFile | ||
| } | ||
|
|
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| // Len return the length of AudioFile | ||
| func (a *AudioFile) Len() time.Duration { | ||
| return a.length | ||
| } | ||
|
|
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| // SetLen set the length of AudioFile | ||
| func (a *AudioFile) SetLen(length time.Duration) { | ||
| a.length = length | ||
| } | ||
|
|
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| // Parent return the parent directory of AudioFile | ||
| func (a *AudioFile) Parent() *AudioFile { | ||
| if a.parent == nil { | ||
| return nil | ||
| } | ||
| return a.parent.GetReference().(*AudioFile) | ||
| } | ||
|
|
||
| // SetParentNode return the parent directory of AudioFile | ||
| func (a *AudioFile) SetParentNode(parentNode *tview.TreeNode) { | ||
| if parentNode == nil { | ||
| return | ||
| } | ||
| a.parent = parentNode | ||
| } | ||
|
|
||
| // ParentNode return the parent node of AudioFile | ||
| func (a *AudioFile) ParentNode() *tview.TreeNode { | ||
| if a.parent == nil { | ||
| return nil | ||
| } | ||
| return a.parent | ||
| } | ||
|
|
||
| // Node return the current node of AudioFile | ||
| func (a *AudioFile) Node() *tview.TreeNode { | ||
| if a.node == nil { | ||
| return nil | ||
| } | ||
| return a.node | ||
| } | ||
|
|
||
| // SetNode return the current node of AudioFile | ||
| func (a *AudioFile) SetNode(node *tview.TreeNode) { | ||
| a.node = node | ||
| } | ||
|
|
||
| // String return the string of AudioFile | ||
| func (a *AudioFile) String() string { | ||
| if a == nil { | ||
| return "nil" | ||
| } | ||
| return fmt.Sprintf("%#v", a) | ||
| } | ||
|
|
||
| // LoadTagMap will load from tag and return a map of langExt to lyrics | ||
| func (a *AudioFile) LoadTagMap() (tag *id3v2.Tag, popupLyricMap map[string]string, options []string, err error) { | ||
|
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| popupLyricMap = make(map[string]string) | ||
|
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| if a.isAudioFile { | ||
| tag, err = id3v2.Open(a.path, id3v2.Options{Parse: true}) | ||
| if err != nil { | ||
| return nil, nil, nil, tracerr.Wrap(err) | ||
| } | ||
| defer tag.Close() | ||
| } else { | ||
| return nil, nil, nil, fmt.Errorf("not an audio file") | ||
| } | ||
| usltFrames := tag.GetFrames(tag.CommonID("Unsynchronised lyrics/text transcription")) | ||
|
|
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| for _, f := range usltFrames { | ||
| uslf, ok := f.(id3v2.UnsynchronisedLyricsFrame) | ||
| if !ok { | ||
| return nil, nil, nil, errors.New("USLT error") | ||
| } | ||
| res := uslf.Lyrics | ||
| popupLyricMap[uslf.ContentDescriptor] = res | ||
| } | ||
| for option := range popupLyricMap { | ||
| options = append(options, option) | ||
| } | ||
| sort.Strings(options) | ||
|
|
||
| return tag, popupLyricMap, options, err | ||
| } |
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