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state.go
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state.go
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package state
func (s *State) SetAudioSource(audioSource string) (Changed, error) {
if err := ValidAudioSource(s, audioSource); err != nil {
return 0, err
}
if s.AudioSource == audioSource {
return 0, nil
}
s.AudioSource = audioSource
return ChangedAudioSource, nil
}
func (s *State) SetIsMuted(isMuted bool) Changed {
if s.IsMuted == isMuted {
return 0
}
s.IsMuted = isMuted
return ChangedIsMuted
}
func (s *State) SetMetadata(metadata string) Changed {
if s.Metadata == metadata {
return 0
}
s.Metadata = metadata
return ChangedMetadata
}
func (s *State) SetTitleNew(titleNew string) Changed {
if s.TitleNew == titleNew {
return 0
}
s.TitleNew = titleNew
return ChangedTitleNew
}
func (s *State) SetURLNew(urlNew string) Changed {
if s.URLNew == urlNew {
return 0
}
s.URLNew = urlNew
return ChangedURLNew
}
func (s *State) SetPower(power bool) Changed {
if s.Power == power {
return 0
}
s.Power = power
return ChangedPower
}
func (s *State) SetPresets(presets []Preset) Changed {
s.Presets = presets
return ChangedPresets.Merge(s.calculatePresetNumber())
}
func (s *State) SetStatus(status Status) Changed {
if s.Status == status {
return 0
}
s.Status = status
return ChangedStatus
}
func (s *State) SetTitle(title string) Changed {
if s.Title == title {
return 0
}
s.Title = title
return ChangedTitle.Merge(s.calculatePresetNumber())
}
func (s *State) calculatePresetNumber() Changed {
s.PresetNumber = 0
for _, preset := range s.Presets {
if preset.Title == s.Title {
s.PresetNumber = preset.Number
return ChangedPresetNumber
}
}
return 0
}
func (s *State) SetURL(url string) Changed {
if s.URL == url {
return 0
}
s.URL = url
return ChangedURL
}
func (s *State) SetVolume(volume int) Changed {
volume = NormalizeVolume(volume)
if s.Volume == volume {
return 0
}
s.Volume = volume
return ChangedVolume
}