Class: Groupy::OuterGroup

Inherits:
Group
  • Object
show all
Defined in:
lib/groupy.rb

Instance Attribute Summary

Attributes inherited from Group

#name, #sub_groups

Instance Method Summary collapse

Methods inherited from Group

#subgroups, #value_groups, #values

Constructor Details

#initialize(&block) ⇒ OuterGroup

Returns a new instance of OuterGroup.



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# File 'lib/groupy.rb', line 73

def initialize(&block)
  super(:all, &block)
end

Instance Method Details

#attach!(klass, column_name, options) ⇒ Object 



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# File 'lib/groupy.rb', line 77

def attach!(klass, column_name, options)
  self.subgroups.each do |group_name, group_values|

    method_name = if options[:suffix]
      "#{group_name}_#{column_name}"
    else
      group_name
    end

    klass.class_eval <<-RUBY
      def #{method_name}?
        #{group_values.inspect}.include?(self.#{column_name})
      end
    RUBY
    
    scope_name = method_name.to_s.pluralize
    
    if defined?(ActiveRecord) && klass < ActiveRecord::Base
      klass.scope(scope_name, klass.where(column_name => group_values))
    end
  end
  
  if options[:constants]
    self.value_groups.each do |value_group|
      
      constant_name = if options[:suffix]
        "#{value_group.name}_#{column_name}"
      else
        value_group.name
      end
      klass.const_set("#{constant_name.upcase}", value_group.value)
    end
  end
  
  klass.class_eval <<-RUBY
    def self.all_#{column_name.to_s.pluralize}
      self.groupies[#{column_name.inspect}].values
    end
  RUBY
end