Module: ChangesetCallbacks

Included in:
OpenStreetMap::Api
Defined in:
lib/changeset_callbacks.rb

Overview

According to the OSM API any changes made to the date need an open changeset which belongs to the user executing the changes. To keep the code simple the before_save method is included which makes sure and open

Class Method Summary collapse

Class Method Details

.before_write(klass, meth) ⇒ Object 



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# File 'lib/changeset_callbacks.rb', line 22

def ChangesetCallbacks.before_write(klass, meth)
  klass.class_eval do
    alias_method "old_#{meth}", "#{meth}"
    define_method(meth) do |*args|
      find_or_create_open_changeset
      self.send("old_#{meth}", *args)
    end
  end
end

.included(into) ⇒ Object 



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# File 'lib/changeset_callbacks.rb', line 6

def self.included(into)
  into.instance_methods(false).select{|method_name| [:save, :create, :update, :destroy].include?(method_name.to_sym)}.each do |m|
    ChangesetCallbacks.before_write(into, m)
  end

  def into.method_added(m)
    unless @adding
      @adding = true
      if [:save, :create, :update, :destroy].include?(m.to_sym)
        ChangesetCallbacks.before_write(self, m)
      end
      @adding = false
    end
  end
end