Class: CounterObject

Inherits:
Object
  • Object
show all
Defined in:
lib/helpers/counter-helpers.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(show_top = 20) ⇒ CounterObject

Returns a new instance of CounterObject.



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# File 'lib/helpers/counter-helpers.rb', line 5

def initialize( show_top = 20 )
  @show_top = show_top
  @counts = {}
  @total, @start_time = 0, Time.now
end

Instance Attribute Details

#start_time ⇒ Object (readonly)

Returns the value of attribute start_time.



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# File 'lib/helpers/counter-helpers.rb', line 3

def start_time
  @start_time
end

#total ⇒ Object (readonly)

Returns the value of attribute total.



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# File 'lib/helpers/counter-helpers.rb', line 3

def total
  @total
end

Instance Method Details

#[](thing) ⇒ Object 



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# File 'lib/helpers/counter-helpers.rb', line 30

def [](thing)
  @counts[thing]
end

#count(thing_to_count) ⇒ Object 



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# File 'lib/helpers/counter-helpers.rb', line 11

def count( thing_to_count )
  @counts[thing_to_count] = ( @counts[thing_to_count] || 0 ) + 1
  @total += 1
end

#each {|"*Total*", "*#{@total}*"| ... } ⇒ Object

Yields:

  • ("*Total*", "*#{@total}*") 


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# File 'lib/helpers/counter-helpers.rb', line 16

def each
  running_total, displayed = 0, 0
  @counts.sort_by { |thing,count| count }.reverse_each do |thing,count|
    break if @show_top && ( displayed >= @show_top )
    displayed += 1
    running_total += count
    yield thing, count
  end
  if @show_top && (@show_top < @counts.size)
    yield "#{@counts.size - @show_top} others", @total-running_total
  end
  yield "*Total*", "*#{@total}*"
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/helpers/counter-helpers.rb', line 34

def empty?
  @counts.empty?
end