Module: HasManyBooleans::InstanceMethods

Defined in:

lib/has_many_booleans.rb

Overview

:nodoc: callbacks

Instance Method Summary

• #initialize_booleans ⇒ Object

  Load boolean integer from database and define the methods.

• #save_booleans ⇒ Object

  Transform booleans to integer and save in the database.

Instance Method Details

#initialize_booleans ⇒ Object

Load boolean integer from database and define the methods.

# File 'lib/has_many_booleans.rb', line 188

def initialize_booleans
  booleans_field  = self.class.booleans_options[:field]
  booleans_activated = self[booleans_field] ? self[booleans_field].to_bra : []

  @booleans_data = { nil => [0, false] } # self@nil

  self.class.booleans_default.each{ |name, (index, value)|
    name = name.to_s

    each_suffix{ |suffix|
      # get values
      init_value = if self.new_record?
        self.class.booleans_options[:true].member?(name.to_sym)
      else
        booleans_activated.member?(index)
      end
      @booleans_data[name] = [index, init_value]

      # define the methods
      method_name = name + self.class.booleans_options[:append] + suffix
      define_boolean_method method_name, suffix, name

      # define the self method
      if self.class.booleans_options[:self]
        # get value
        if self.new_record?
          cond = self.class.booleans_options[:self_value]
        else
          cond = booleans_activated.member? 0
        end
        @booleans_data[nil][1] = cond ? true : false

        # get self method name
        self_method = if self.class.booleans_options[:self] === true
          if !self.class.booleans_options[:append] || self.class.booleans_options[:append].empty?
            raise "has_many_booleans: self method activated with true, but :append is nil! Please use :self => 'method_name'"
          else
            self.class.booleans_options[:append][1..-1]
          end
        else
          self.class.booleans_options[:self]
        end

        each_suffix{ |suffix|
          define_boolean_method self_method + suffix, suffix
        }
      end
    }
  }
end

#save_booleans ⇒ Object

Transform booleans to integer and save in the database.

# File 'lib/has_many_booleans.rb', line 240

def save_booleans
  act = []
  @booleans_data.each{ |_, (index, value)|
    act << index if value
  }
  self[ self.class.booleans_options[:field] ] = act.to_bri
end