Class: Aggregator

Inherits:
Object show all
Defined in:
lib/guerrilla_patch/aggregate_by_type/aggregator.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.aggregate(&block) ⇒ Object



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 5

def self.aggregate(&block)
  agregator = Aggregator.new
  block.call(agregator)
  return Amount.new(agregator.total,agregator.total_by_type)
end

.aggregate_full_precistion(&block) ⇒ Object



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 11

def self.aggregate_full_precistion(&block)
  agregator = Aggregator.new
  block.call(agregator)
  return Amount.new(agregator.total,agregator.total_by_type)
end

Instance Method Details

#add(amount) ⇒ Object



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 17

def add(amount)
  total_list << Aggregator.prepare(amount)
end

#add_full_precision(amount) ⇒ Object



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 21

def add_full_precision(amount)
  raise "Full precision can be done only on amount class. Class sended was: #{amount.class} with value: #{amount.inspect}" if amount.class != Amount
  total_list << amount.by_type
end

#subtract(amount) ⇒ Object



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 26

def subtract(amount)
  add(amount.negative)
end

#subtract_full_precision(amount) ⇒ Object



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 30

def subtract_full_precision(amount)
  add_full_precision(amount.negative)
end

#totalObject



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 34

def total
  (by_type? ? total_by_type : total_list).sum_me
end

#total_by_typeObject



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# File 'lib/guerrilla_patch/aggregate_by_type/aggregator.rb', line 38

def total_by_type
  Aggregator.agregate_by_type(total_list)
end