Module: Serialist::ClassMethods

Defined in:
lib/serialist/serialist_module.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#serialist_field ⇒ Object

Returns the value of attribute serialist_field.



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# File 'lib/serialist/serialist_module.rb', line 9

def serialist_field
  @serialist_field
end

#serialist_options ⇒ Object

Returns the value of attribute serialist_options.



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# File 'lib/serialist/serialist_module.rb', line 8

def serialist_options
  @serialist_options
end

Instance Method Details

#inherited(subclass) ⇒ Object 



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# File 'lib/serialist/serialist_module.rb', line 43

def inherited(subclass)
  super
  subclass.instance_variable_set("@serialist_field", @serialist_field)
  subclass.instance_variable_set("@serialist_options", @serialist_options)
end

#serialist(serialist_field, serialist_options = []) ⇒ Object 



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# File 'lib/serialist/serialist_module.rb', line 11

def serialist(serialist_field, serialist_options = [])
  @serialist_field ||= serialist_field
  @serialist_options ||= []
  @serialist_options = (@serialist_options + serialist_options).uniq
  serialize(@serialist_field, Hash)
  
  if serialist_options.empty?
    include Serialist::InstanceMethods
  else
    @serialist_options.each do |field|
      cols = self.columns.map{|c|c.name.to_s}
      raise Exception.new("Column #{field} already exist for #{self.name}") if cols.include?(field.to_s)
      define_method field.to_s do 
        return nil unless (slug = self.send(serialist_field))
        slug[field.to_sym]
      end
      define_method field.to_s + "?" do |*param|
        return false unless (slug = self.send(serialist_field))
        if param.empty?
          ![nil, false, "false", :false].include?(slug[field.to_sym])
        else
          slug[field.to_sym] == param.first
        end
      end
      define_method field.to_s + "=" do |param|
        self.send(serialist_field.to_s + "=", Hash.new) unless self.send(serialist_field)
        self.send(serialist_field)[field.to_sym] = param
      end
    end
  end
end