Class: AlarMPD

Inherits:
Object
  • Object
show all
Defined in:
lib/alarmpd.rb

Defined Under Namespace

Classes: Alarm

Constant Summary collapse

H_SECS = 
60 * 60
D_SECS = 
H_SECS * 24
TIME_REGEXP = 
'([0-9]|0[0-9]|1[0-9]|2[0-3]):([0-5][0-9])'
DAY_REGEXP = 
"(#{Date::DAYNAMES.join('|')})"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host, port) ⇒ AlarMPD

Returns a new instance of AlarMPD.



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# File 'lib/alarmpd.rb', line 18

def initialize(host, port)
  @mpd = MPD.new host, port
  @scheduler = Rufus::Scheduler.new
  if defined?(RSpec)
    @scheduler.pause 
  else
    @mpd.connect
  end
  @fade_interval = 10
  @interval = 20
  @latest_alarm = nil
  @fade_in = false
  @alarm_job = nil
end

Instance Attribute Details

#fade_in ⇒ Object

Returns the value of attribute fade_in.



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# File 'lib/alarmpd.rb', line 16

def fade_in
  @fade_in
end

#interval ⇒ Object

Returns the value of attribute interval.



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# File 'lib/alarmpd.rb', line 16

def interval
  @interval
end

#latest_alarm ⇒ Object (readonly)

Returns the value of attribute latest_alarm.



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# File 'lib/alarmpd.rb', line 15

def latest_alarm
  @latest_alarm
end

#mpd ⇒ Object (readonly)

Returns the value of attribute mpd.



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# File 'lib/alarmpd.rb', line 15

def mpd
  @mpd
end

Class Method Details

.parse_entry(playlist_entry) ⇒ Object 



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# File 'lib/alarmpd.rb', line 90

def self.parse_entry(playlist_entry)
  match = playlist_entry.match "^#{DAY_REGEXP} #{TIME_REGEXP}$"
  if match
    time = AlarMPD.prepare_time(match[1], match[2].to_i, match[3].to_i)
  end
end

.prepare_time(day, hour, minute) ⇒ Object 



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# File 'lib/alarmpd.rb', line 97

def self.prepare_time(day, hour, minute)

  wday = Date::DAYNAMES.index(day)
  current_wday = Time.now.wday

  offset = if wday < current_wday
             7 - (current_wday - wday)
           else
             wday - current_wday
           end

  offset_secs = offset * D_SECS + H_SECS * hour + minute * 60
  d = Date.today.to_time + offset_secs
  d = d + D_SECS * 7 if d < Time.now
  d
end

Instance Method Details

#alarm_job ⇒ Object 



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# File 'lib/alarmpd.rb', line 50

def alarm_job
  p = @mpd.playlists.find {|p| p.name == @latest_alarm.name}
  offset = @mpd.queue.count
  p.load

  if fade_in?
    @mpd.volume = 0
    @scheduler.every(@fade_interval, method(:fade_in_job))
  end

  @mpd.play offset
end

#connect ⇒ Object 



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# File 'lib/alarmpd.rb', line 33

def connect
  @mpd.connect
end

#fade_in? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/alarmpd.rb', line 46

def fade_in?
  @fade_in
end

#fade_in_job(job) ⇒ Object 



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# File 'lib/alarmpd.rb', line 63

def fade_in_job(job)
  if @mpd.volume == 100
    job.unschedule if @mpd.volume == 100
  else
    @mpd.volume = @mpd.volume + 1
  end
end

#fade_interval=(interval) ⇒ Object 



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# File 'lib/alarmpd.rb', line 41

def fade_interval=(interval)
  @fade_interval = interval
  @fade_in = interval != 0
end

#next_alarm ⇒ Object 



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# File 'lib/alarmpd.rb', line 80

def next_alarm
  alarms = []
  @mpd.playlists.each do |playlist|
    time = AlarMPD.parse_entry(playlist.name)
    alarms << Alarm.new(playlist.name, time) if time
  end
  alarms = alarms.sort_by &:time if alarms.any?
  alarms.first
end

#refresh ⇒ Object 



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# File 'lib/alarmpd.rb', line 71

def refresh
  new_alarm = next_alarm
  if new_alarm && (@latest_alarm.nil? || new_alarm.time != @latest_alarm.time)
    @latest_alarm = new_alarm
    @alarm_job.unschedule if @alarm_job
    @alarm_job = @scheduler.schedule_at(new_alarm.time, method(:alarm_job))
  end
end

#run ⇒ Object 



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# File 'lib/alarmpd.rb', line 114

def run
  @running = true
  while @running do
    refresh
    sleep @interval
  end
  @alarm_job.unschedule if @alarm_job
end

#stop ⇒ Object 



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# File 'lib/alarmpd.rb', line 37

def stop
  @running = false
end