81 lines
2.1 KiB
CoffeeScript
81 lines
2.1 KiB
CoffeeScript
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context = window
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@SessionHelper = class SessionHelper
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constructor: (app, session) ->
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@app = app
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@session = session
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inSession: () ->
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@session?
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participants: () ->
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if @session
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return @session.participants
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else
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[]
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# if any participant has the metronome open, then we say this session has the metronome open
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isMetronomeOpen: () ->
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metronomeOpen = false;
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for participant in @participants()
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if participant.metronome_open
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metronomeOpen = true
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break
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metronomeOpen
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isPlayingRecording: () ->
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# this is the server's state; there is no guarantee that the local tracks
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# requested from the backend will have corresponding track information
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return !!(@session && @session.claimed_recording);
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recordedTracks: () ->
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if @session && @session.claimed_recording
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@session.claimed_recording.recording.recorded_tracks
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else
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null
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recordedBackingTracks: () ->
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if @session && @session.claimed_recording
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@session.claimed_recording.recording.recorded_backing_tracks
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else
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null
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backingTracks: () ->
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backingTracks = []
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# this may be wrong if we loosen the idea that only one person can have a backing track open.
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# but for now, the 1st person we find with a backing track open is all there is to find...
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for participant in @participants()
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if participant.backing_tracks.length > 0
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backingTracks = participant.backing_tracks
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break
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backingTracks
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jamTracks: () ->
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if @session && @session.jam_track
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@session.jam_track.tracks.filter((track)->
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track.track_type == 'Track'
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)
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else
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null
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recordedJamTracks:() ->
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if @session && @session.claimed_recording
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@session.claimed_recording.recording.recorded_jam_track_tracks
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else
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null
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getParticipant: (clientId) ->
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found = null
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for participant in @participants()
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if participant.client_id == clientId
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found = participant
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break
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logger.warn('unable to find participant with clientId: ' + clientId) unless found
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found
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