Class: Bandshell::PlayerInfo

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PlayerInfo

Returns a new instance of PlayerInfo.



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# File 'lib/bandshell/player_info.rb', line 18

def initialize
  @last_update  = Time.new(0)
  @shelf_life   = 60
  @on_off_rules = [{"action"=>"on"}] # default to always-on
end

Instance Attribute Details

#last_update ⇒ Object

Returns the value of attribute last_update.



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# File 'lib/bandshell/player_info.rb', line 12

def last_update
  @last_update
end

#on_off_rules ⇒ Object

Returns the value of attribute on_off_rules.



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# File 'lib/bandshell/player_info.rb', line 13

def on_off_rules
  @on_off_rules
end

#screen_name ⇒ Object

Returns the value of attribute screen_name.



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# File 'lib/bandshell/player_info.rb', line 15

def screen_name
  @screen_name
end

#shelf_life ⇒ Object

Returns the value of attribute shelf_life.



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# File 'lib/bandshell/player_info.rb', line 14

def shelf_life
  @shelf_life
end

#timezone ⇒ Object

String representation of TZ Location



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# File 'lib/bandshell/player_info.rb', line 16

def timezone
  @timezone
end

Instance Method Details

#screen_scheduled_on? ⇒ Boolean

Returns true if the screen should be turned on right now, according to the latest data recieved from concerto-hardware. Assumes on_off_rules is either nil or a valid ruleset.

Returns:

  • (Boolean) 


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# File 'lib/bandshell/player_info.rb', line 73

def screen_scheduled_on?
  return true if on_off_rules.nil?
  results = []

  begin
    tz = TZInfo::Timezone.get(timezone) unless timezone.nil?
  rescue TZInfo::InvalidTimezoneIdentifier => e
    puts('screen_scheduled_on?: Invalid Time Zone. Defaulting to NY.')
  end
  tz = TZInfo::Timezone.get('America/New_York') if tz.nil?

  t = tz.now
  on_off_rules.each do |rule|
    rule_active = true
    rule.each do |key, value|
      case key
      when "wkday"
        rule_active = false unless value.include? t.wday.to_s
      when "time_after"
        rule_secs = seconds_since_midnight(Time.parse(value))
        curr_secs = seconds_since_midnight(t)
        rule_active = false unless curr_secs > rule_secs
      when "time_before"
        rule_secs = seconds_since_midnight(Time.parse(value))
        curr_secs = seconds_since_midnight(t)
        rule_active = false unless curr_secs < rule_secs 
      when "date"
        day = Time.parse(value)
        rule_active = false unless t.year==day.year and t.yday==day.yday
      when "action"
        # Do nothing.
      else
        # Do nothing.
        # Err on the side of being on too long.
      end # case key
    end
    if rule_active and rule.has_key? "action"
      results << rule["action"]
    end
  end # each rule

  if results.include? "force_on"
    return true
  elsif results.include? "off"
    return false
  elsif results.include? "on"
    return true
  else # All rules failed
    return false
  end
end

#seconds_since_midnight(time) ⇒ Object

For a given time object, gives a numeric representation of the time of day on the day it represents.



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# File 'lib/bandshell/player_info.rb', line 127

def seconds_since_midnight(time)
  time.sec + (time.min * 60) + (time.hour * 3600)
end

#update ⇒ Object

Fetches the latest player settings from Concerto TODO: Store settings in BandshellConfig (and update whenever they have changed) so that configs are immediately available at boot. Returns true on success, false on failure.



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# File 'lib/bandshell/player_info.rb', line 37

def update
  data = Bandshell::HardwareApi::get_player_info
  if data.nil?
    puts "update_player_info: Recieved null data from get_player_info!"
  elsif data == :stat_serverr
    puts "update_player_info: Server error while retrieving player info."
  elsif data == :stat_badauth
    puts "update_player_info: Auth error while retrieving player info."
  else
    unless data['screen'].nil? or data['screen']['name'].nil?
      @screen_name = data['screen']['name']
    end
    tz_string = data['time_zone']
    unless tz_string.nil? or tz_string.empty?
      begin
        new_tz = TZInfo::Timezone.get(tz_string)
        @timezone = tz_string
      rescue TZInfo::InvalidTimezoneIdentifier => e
        puts "update_player_info: Invalid timezone received."
      end
    end # TZ identifier present
    new_rules = data['screen_on_off']
    if new_rules.nil? or !new_rules.is_a? Array
      puts "update_player_info: Invalid screen on/off rules received."
    else
      @on_off_rules = new_rules
      @last_update = Time.now
      return true
    end
  end
  return false
end

#update_if_stale ⇒ Object

Returns false on failure.



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# File 'lib/bandshell/player_info.rb', line 25

def update_if_stale
  if (@last_update < Time.now - @shelf_life)
    update
  else
    true
  end
end