Module: Mongoid::Mirrored::MirrorMethods

Included in:
ClassMethods
Defined in:
lib/mongoid-mirrored/mirror/mirror_methods.rb

Instance Method Summary collapse

Instance Method Details

#define_after_create_callback ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 30

def define_after_create_callback
  unless mirror_klass.instance_methods.include?(:_create_root)
    mirror_klass.class_eval "      after_create  :_create_root\n    EOF\n  end\n\n  # Comment.collection.insert(attributes.merge(:post_id => post.id))\n  mirror_klass.class_eval <<-EOF\n    def _create_root\n      mirror_attributes[:root][:klass].collection.insert(attributes.merge(mirror_attributes[:embedding][:id] => eval(mirror_attributes[:embedding][:instance]).id))\n    end\n  EOF\nend\n"

#define_after_create_siblings ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 75

def define_after_create_siblings
  unless mirror_klass.instance_methods.include?(:_create_siblings)
    mirror_klass.class_eval "      after_create  :_create_siblings\n    EOF\n  end\n  \n  mirror_klass.class_eval <<-EOF\n    def _create_siblings\n      mirror_attributes[:embedding][:models].each do |sibling|\n        _sibling = sibling.to_s\n        next if sibling == mirror_attributes[:embedding][:sym]\n        sibling_klass = sibling.to_s.classify.constantize\n        if self[_sibling+\"_id\"]\n          sibling_klass.collection.update(\n            { :_id => self[_sibling+\"_id\"] }, \n            '$push' => { \n              mirror_attributes[:root][:association] => attributes.merge(mirror_attributes[:embedding][:id] => eval(mirror_attributes[:embedding][:instance]).id)\n             }\n          )\n        end\n      end\n    end\n  EOF\nend\n"

#define_after_destroy_callback ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 60

def define_after_destroy_callback
  unless mirror_klass.instance_methods.include?(:_destroy_root)
    mirror_klass.class_eval "      after_destroy  :_destroy_root\n    EOF\n  end\n\n  # Comment.collection.remove({ :id => id}, '$set' => attributes)\n  mirror_klass.class_eval <<-EOF\n     def _destroy_root\n       \#{@root_klass}.collection.remove({ :_id => id })\n     end\n   EOF\nend\n"

#define_after_destroy_siblings ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 125

def define_after_destroy_siblings
  unless mirror_klass.instance_methods.include?(:_destroy_siblings)
    mirror_klass.class_eval "      after_destroy  :_destroy_siblings\n    EOF\n  end\n  mirror_klass.class_eval <<-EOF\n    def _destroy_siblings\n      mirror_attributes[:embedding][:models].each do |sibling|\n        _sibling = sibling.to_s\n        next if sibling == mirror_attributes[:embedding][:sym]\n        sibling_klass = sibling.to_s.classify.constantize\n        if self[_sibling+\"_id\"]\n          sibling_klass.collection.update({ :_id => self[_sibling+\"_id\"] }, '$pull' => { mirror_attributes[:root][:association] => { :_id => id}})\n        end\n      end\n    end\n  EOF\nend\n"

#define_after_update_callback ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 45

def define_after_update_callback
  unless mirror_klass.instance_methods.include?(:_update_root)
    mirror_klass.class_eval "      after_update  :_update_root\n    EOF\n  end\n  \n  # Comment.collection.update({ :_id => id}, '$set' => attributes.except('_id'))\n  mirror_klass.class_eval <<-EOF\n     def _update_root\n       \#{@root_klass}.collection.update({ :_id => id }, '$set' => attributes.except('_id'))\n     end\n   EOF\nend\n"

#define_after_update_siblings ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 101

def define_after_update_siblings
  unless mirror_klass.instance_methods.include?(:_update_siblings)
    mirror_klass.class_eval "      after_update  :_update_siblings\n    EOF\n  end\n  mirror_klass.class_eval <<-EOF\n    def _update_siblings\n      \#{embedding_models[:all]}.each do |sibling|\n        _sibling = sibling.to_s\n        next if sibling == mirror_attributes[:embedding][:sym]\n        sibling_klass = sibling.to_s.classify.constantize\n        if self[_sibling+\"_id\"]\n          nested_attr = {}\n          attributes.except(mirror_attributes[:embedding][:id]).each_pair do |k,v|\n            nested_attr[mirror_attributes[:root][:association].to_s + \".$.\" + k] = v\n          end\n          sibling_klass.collection.update({mirror_attributes[:root][:association].to_s+\"._id\" => id}, '$set' => nested_attr )\n        end\n      end\n    end\n  EOF\nend\n"

#define_mirror_attributes ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 5

def define_mirror_attributes
  mirror_klass.class_eval "    cattr_accessor :mirror_attributes\n    self.mirror_attributes = {\n                              :root => {:association => :\#{root_association}, :klass => \#{self}},\n                              :embedding => {\n                                             :sym => :\#{embedding_models[:current]}, \n                                             :id => :\#{embedding_models[:current]}_id,\n                                             :instance => \"\#{embedding_models[:current]}\",\n                                             :klass => \#{symbol_to_class(embedding_models[:current])},\n                                             :models => \#{embedding_models[:all]}\n                                             }\n                              }\n    EOF\nend\n"

#define_mirror_callbacks ⇒ Object

Define callbacks for mirror class that don’t trigger callbacks on the root class



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 146

def define_mirror_callbacks
  if [:both, :from_mirror].include?(embedding_options[:sync_direction])
    if embedding_options[:sync_events].include?(:create) || embedding_options[:sync_events] == [:all]
      define_after_create_callback
      if embedding_options[:replicate_to_siblings] && embedding_models[:all].size > 1
        define_after_create_siblings
      end
    end
    
    if embedding_options[:sync_events].include?(:update) || embedding_options[:sync_events] == [:all]
      define_after_update_callback
      if embedding_options[:replicate_to_siblings] && embedding_models[:all].size > 1
        define_after_update_siblings
      end
    end
    
    if embedding_options[:sync_events].include?(:destroy) || embedding_options[:sync_events] == [:all]
      define_after_destroy_callback
      if embedding_options[:replicate_to_siblings] && embedding_models[:all].size > 1
        define_after_destroy_siblings
      end
    end
  end
end

#embeds_mirror ⇒ Object 



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# File 'lib/mongoid-mirrored/mirror/mirror_methods.rb', line 21

def embeds_mirror
  # mongoid macro embedded_in
  # eg: embedded_in :post, :inverse_of => :comments
  
  mirror_klass.class_eval "    embedded_in mirror_attributes[:embedding][:sym], :inverse_of => mirror_attributes[:root][:association]\n  EOT\nend\n"