Class: Fit4Ruby::Activity

Inherits:
FitDataRecord show all
Defined in:
lib/fit4ruby/Activity.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from FitDataRecord

#rename, #write

Constructor Details

#initialize ⇒ Activity

Returns a new instance of Activity.



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# File 'lib/fit4ruby/Activity.rb', line 25

def initialize
  super('activity')
  rename('timestamp', 'start_time')
  rename('local_timestamp', 'local_start_time')
  rename('total_timer_time', 'duration')
  @start_time = nil
  @local_start_time = nil
  @duration = nil
  @num_sessions = 0
  @sessions = []
  @laps = []
  @records = []
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, &block) ⇒ Object 



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# File 'lib/fit4ruby/Activity.rb', line 67

def method_missing(method_name, *args, &block)
  acc_fields = [ :distance ]
  avg_fields = [ :avg_speed ]

  if acc_fields.include?(method_name)
    total = 0
    @sessions.each do |s|
      total += s.send(method_name, *args, &block)
    end
    return total
  elsif avg_fields.include?(method_name)
    total = 0
    count = 0
    return 0 if @sessions.empty?

    @sessions.each do |s|
      total += s.send(method_name, *args, &block)
      count += 1
    end
    return total / count
  else
    Log.fatal "Unknown data field: #{method_name}"
  end
end

Instance Attribute Details

#duration ⇒ Object

Returns the value of attribute duration.



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# File 'lib/fit4ruby/Activity.rb', line 22

def duration
  @duration
end

#laps ⇒ Object

Returns the value of attribute laps.



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# File 'lib/fit4ruby/Activity.rb', line 22

def laps
  @laps
end

#local_start_time ⇒ Object

Returns the value of attribute local_start_time.



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# File 'lib/fit4ruby/Activity.rb', line 22

def local_start_time
  @local_start_time
end

#records ⇒ Object

Returns the value of attribute records.



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# File 'lib/fit4ruby/Activity.rb', line 22

def records
  @records
end

#sessions ⇒ Object

Returns the value of attribute sessions.



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# File 'lib/fit4ruby/Activity.rb', line 22

def sessions
  @sessions
end

#start_time ⇒ Object

Returns the value of attribute start_time.



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# File 'lib/fit4ruby/Activity.rb', line 22

def start_time
  @start_time
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/fit4ruby/Activity.rb', line 39

def check
  unless @start_time && @start_time >= Time.parse('1990-01-01')
    Log.error "Activity has no valid start time"
  end
  unless @duration
    Log.error "Activity has no valid duration"
  end
  unless @num_sessions == @sessions.count
    Log.error "Activity record requires #{@num_sessions}, but "
              "#{@sessions.length} session records were found in the "
              "FIT file."
  end
  @sessions.each { |s| s.check(self) }
end

#new_lap ⇒ Object 



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# File 'lib/fit4ruby/Activity.rb', line 97

def new_lap
  @laps << (lap = Lap.new)
  lap
end

#new_record ⇒ Object 



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# File 'lib/fit4ruby/Activity.rb', line 102

def new_record
  @records << (record = Record.new)
  record
end

#new_session ⇒ Object 



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# File 'lib/fit4ruby/Activity.rb', line 92

def new_session
  @sessions << (session = Session.new)
  session
end

#set(field, value) ⇒ Object 



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# File 'lib/fit4ruby/Activity.rb', line 54

def set(field, value)
  case field
  when 'timestamp'
    @start_time = value
  when 'local_timestamp'
    @local_start_time = value
  when 'total_timer_time'
    @duration = value
  when 'num_sessions'
    @num_sessions = value
  end
end

#to_s ⇒ Object 



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# File 'lib/fit4ruby/Activity.rb', line 107

def to_s
  str = ''
  @sessions.each do |s|
    str << "\n\n" unless str.empty?
    str << s.to_s
  end
  str
end