Module: Citier4::ActsAsCitier4::ClassMethods

Defined in:
lib/citier4/acts_as_citier4.rb

Constant Summary collapse

@@first_call = 
true

Instance Method Summary collapse

Instance Method Details

#acts_as_citier4(options = {}) ⇒ Object 



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# File 'lib/citier4/acts_as_citier4.rb', line 22

def acts_as_citier4(options = {})
  # your code will go here
  # First call, in the root class, then in a child, then in a child of child, etc ...
      
  set_acts_as_citier(true)

  # SomesOptions are authorize only in root class, not in child
  # but is_root? is not yet implemented
  # but due to the inheritance cascade, the first call of "acts_as_citier" is perform in the root class
  
   #:table_name = option for setting the name of the current class table_name, default value = 'tableized(current class name)'
   # option table_name is authorised in root and child
   
  table_name = (options[:table_name] || self.name.tableize.gsub(/\//,'_')).to_s
  
  # if @@first_call 
  # Unfortunatly, first_call is not a good solution when we are in developpement : acts_as_citier4 could be reload for the root class ...
  if ! superclass.acts_as_citier?
      # Root class
      # Option for setting the inheritance columns, default value = 'type'
      # authorized only in root
      db_type_field = (options[:db_type_field] || :type).to_s
      puts "DODO : In Citier, we have to verify the presence of inheritance_column : #{db_type_field}"
      self.inheritance_column = "#{db_type_field}"
      
       # Option for setting the super_class. Only in root
       # maby it is not usefull any more ? TODO remove super_class
      super_class =  (options[:super_class] || ActiveRecord::Base) # add

      citier_debug("Root Class, in home directory")
      self.table_name = "#{table_name}"
      citier_debug("table_name -> #{self.table_name}")

      # Add the functions required for root classes only
      # include is for adding methods to an instance of a class
      # extend is for adding class methods.
      send :extend, Citier4::RootClassMethods
      send :include, Citier4::RootInstanceMethods
  else
     citier_debug("In Child Class, not Root Class")
      
     # setting the inheritance columns in the child.
     # do we have to do_it ?
     # - in the writeable part ?
     # - in the readable part ?
     
     # debugger
     self.inheritance_column = superclass.inheritance_column

    citier_debug("table_name, writable -> #{table_name}")
    # Set up the table which contains ALL attributes we want for this class
    self.table_name = "view_#{table_name}"      
    citier_debug("tablename (view), readable -> #{self.table_name}")

    # The the Writeable. References the write-able table for the class because
    # save operations etc can't take place on the views
    self.const_set("Writeable", create_class_writable(self))
    # pour access : self.const_get :Writeable

    after_initialize do
      self.id = nil if self.new_record? && self.id == 0
    end

    # Add the functions required for children only
    send :include, Citier4::ChildInstanceMethods
  end
  @@first_call = false
end