Class: RailsStuff::Statusable::MappedHelper

Inherits:
Helper
  • Object
show all
Defined in:
lib/rails_stuff/statusable/mapped_helper.rb

Overview

Helper to hold

Instance Attribute Summary collapse

Attributes inherited from Helper

#field, #list, #model

Instance Method Summary collapse

Methods inherited from Helper

#attach, #define_class_method, #define_method, #define_scope, #translate

Constructor Details

#initialize ⇒ MappedHelper

Returns a new instance of MappedHelper.



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 7

def initialize(*)
  super
  @mapping = @list
  @indifferent_mapping = mapping.with_indifferent_access
  @list = mapping.keys.freeze
  @inverse_mapping = mapping.invert.freeze
end

Instance Attribute Details

#indifferent_mapping ⇒ Object (readonly)

Returns the value of attribute indifferent_mapping.



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 5

def indifferent_mapping
  @indifferent_mapping
end

#inverse_mapping ⇒ Object (readonly)

Returns the value of attribute inverse_mapping.



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 5

def inverse_mapping
  @inverse_mapping
end

#mapping ⇒ Object (readonly)

Returns the value of attribute mapping.



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 5

def mapping
  @mapping
end

Instance Method Details

#map(val) ⇒ Object 



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 26

def map(val)
  map_with(indifferent_mapping, val)
end

#mapping_values ⇒ Object 



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 22

def mapping_values
  @mapping_values ||= mapping.values
end

#select_options(original: false, only: nil, except: nil) ⇒ Object 



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 15

def select_options(original: false, only: nil, except: nil)
  return super(only: only, except: except) unless original
  only ||= mapping_values
  only -= except if except
  only.map { |x| [translate(inverse_mapping.fetch(x)), x] }
end

#unmap(val) ⇒ Object 



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# File 'lib/rails_stuff/statusable/mapped_helper.rb', line 30

def unmap(val)
  map_with(inverse_mapping, val)
end