Class: Cartos::Cashbase::Collection

Inherits:
Object
  • Object
show all
Defined in:
lib/cartos/cashbase.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#elements ⇒ Object

Returns the value of attribute elements.



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# File 'lib/cartos/cashbase.rb', line 31

def elements
  @elements
end

Instance Method Details

#categories ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 33

def categories
  result = self.elements.inject([]) do |memo, element|
     memo << element.category
  end

  result.uniq
end

#each(&block) ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 85

def each(&block)
  self.elements.each &block if block_given?
end

#each_category(&block) ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 65

def each_category(&block)
  categories_hash = self.elements.inject({}) do |memo, element|
    (memo[element.category] ||= []) << element
    memo
  end

  categories_hash.each_pair do |category, elements|
    collection = self.class.new
    collection.elements = elements
    yield category, elements
  end
end

#each_month(&block) ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 52

def each_month(&block)
  months_hash = self.elements.inject({}) do |memo, element|
    (memo[element.date.month] ||= []) << element
    memo
  end

  months_hash.each_pair do |month, elements|
    collection = self.class.new
    collection.elements = elements
    yield month, collection
  end
end

#filter_by_month(month) ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 78

def filter_by_month(month)
  self.elements.select! do |element|
    element.date.month == month
  end
  self
end

#filter_by_year(year) ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 45

def filter_by_year(year)
  self.elements.select! do |element|
    element.date.year == year
  end
  self
end

#size ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 41

def size
  self.elements.size
end

#to_a ⇒ Object 



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# File 'lib/cartos/cashbase.rb', line 89

def to_a
  self.elements
end