Module: Habits::Whip

Extended by:
Whip
Included in:
Whip
Defined in:
lib/habits/whip.rb

Constant Summary collapse

@@transitions = 
{}
@@ticks = 
[]

Instance Method Summary collapse

Instance Method Details

#on(status, &blk) ⇒ Object

Add block to be executed when status changes to given status. A habit which changes to this status is passed to the block.



12
13
14
15
 
# File 'lib/habits/whip.rb', line 12

def on(status, &blk)
  raise "No block given" if blk.nil?
  @@transitions[status] = blk
end

#on_tick(&blk) ⇒ Object

Add a block to be called each time before whip is used.



18
19
20
21
 
# File 'lib/habits/whip.rb', line 18

def on_tick(&blk)
  raise "No block given" if blk.nil?
  @@ticks << blk
end

#use ⇒ Object

Use whip, i.e. update status of each habit and call blocks associated with state changes.



25
26
27
28
29
30
31
32
33
34
 
# File 'lib/habits/whip.rb', line 25

def use
  @@ticks.each {|tick| tick.call}
  
  Habit.all.each do |habit|
    habit.update_status do
      st = habit.status.value
      @@transitions[st].call(habit) if @@transitions[st]
    end
  end
end