Module: SimpleDecorator::CommonDecorated::ClassMethods

Defined in:
lib/simple_decorator/common_decorated.rb

Instance Method Summary collapse

Instance Method Details

#associations ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 27

def associations
  columns(name: /_id$/).map { |name| name.sub(/_id$/, '') }
end

#columns(type = nil, name: nil) ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 31

def columns(type = nil, name: nil)
  columns = Array(decorated.try(:columns))
  columns = columns.select { |column| column.type == type } if type
  columns = columns.select { |column| column.name =~ name } if name

  columns.map(&:name)
end

#decorate(*attributes, &block) ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 63

def decorate(*attributes, &block)
  options = attributes.extract_options!
  prefix = options.delete(:prefix)
  sufix = options.delete(:sufix)

  attributes.each do |attr|
    define_method "#{prefix}#{attr}#{sufix}" do
      value = component.send attr

      block_given? ? instance_exec(value, options, attr, &block) : value.to_s
    end
  end
end

#enumerations ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 23

def enumerations
  Hash(decorated.try(:enumerations)).keys
end

#humanize(*attributes) ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 57

def humanize(*attributes)
  decorate *attributes do |_value, _options, attr|
    component.send "#{attr}_humanize"
  end
end

#inherited(child) ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 10

def inherited(child)
  self.decorated = child.name.sub(/Decorator$/, '').safe_constantize

  child.with_precision *columns(:decimal)
  child.translate *columns(:boolean)
  child.localize *columns(:date)
  child.localize *columns(:date), format: :long, sufix: '_in_words'
  child.localize *columns(:datetime), format: :medium
  child.localize *columns(:datetime), sufix: '_in_words'
  child.humanize *enumerations
  child.decorate *associations
end

#localize(*attributes) ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 51

def localize(*attributes)
  decorate *attributes do |value, options|
    localize value, options if value.present?
  end
end

#translate(*attributes) ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 45

def translate(*attributes)
  decorate *attributes do |value, options|
    translate value.to_s, options if value.to_s.present?
  end
end

#with_precision(*attributes) ⇒ Object 



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# File 'lib/simple_decorator/common_decorated.rb', line 39

def with_precision(*attributes)
  decorate *attributes do |value, options|
    number_with_precision (value || 0), options
  end
end