Class: MongoMapper::Plugins::Associations::ManyDocumentsProxy

Inherits:
Collection show all
Includes:
DynamicQuerying::ClassMethods
Defined in:
lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb

Direct Known Subclasses

ManyDocumentsAsProxy, ManyPolymorphicProxy

Instance Attribute Summary

Attributes inherited from Proxy

#association, #proxy_owner, #target

Instance Method Summary collapse

Methods included from DynamicQuerying::ClassMethods

#dynamic_find

Methods inherited from Collection

#[], #each, #empty?, #length, #read, #reset, #size, #to_a, #write

Methods inherited from Proxy

define_proxy_method, #initialize, #inspect, #loaded, #loaded?, #proxy_method, #proxy_respond_to?, #read, #reload, #reset, #respond_to?, #write

Constructor Details

This class inherits a constructor from MongoMapper::Plugins::Associations::Proxy

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object (private) 



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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 115

def method_missing(method, *args, &block)
  return super unless klass.respond_to?(method)

  result = nil

  query.with_scope(query.criteria_hash) do
    result = klass.send(method, *args, &block)
  end

  case result
  when Plucky::Query
    query.merge result

  # If we got a single record of this class as a result, return it
  when klass
    result

  # If we got an array of this class as a result, return it
  when Array
    if result[0].is_a? klass
      result
    else
      super
    end
  else
    super
  end
end

Instance Method Details

#<<(*docs) ⇒ Object Also known as: push, concat 



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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 25

def <<(*docs)
  ensure_owner_saved
  flatten_deeper(docs).each { |doc| prepare(doc).save }
  reset
end

#build(attrs = {}) {|doc| ... } ⇒ Object

Yields:

  • (doc) 


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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 33

def build(attrs={})
  doc = klass.new(attrs)
  apply_scope(doc)
  yield doc if block_given?
  @target ||= [] unless loaded?
  @target << doc
  doc
end

#create(attrs = {}) {|doc| ... } ⇒ Object

Yields:

  • (doc) 


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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 42

def create(attrs={})
  doc = klass.new(attrs)
  apply_scope(doc)
  yield doc if block_given?
  doc.save
  reset
  doc
end

#create!(attrs = {}) {|doc| ... } ⇒ Object

Yields:

  • (doc) 


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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 51

def create!(attrs={})
  doc = klass.new(attrs)
  apply_scope(doc)
  yield doc if block_given?
  doc.save!
  reset
  doc
end

#delete_all(options = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 65

def delete_all(options={})
  query(options).remove
  reset
end

#destroy_all(options = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 60

def destroy_all(options={})
  all(options).each { |doc| doc.destroy }
  reset
end

#nullify ⇒ Object 



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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 70

def nullify
  all.each { |doc| doc.update_attributes(self.foreign_key => nil) }
  reset
end

#replace(docs) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 10

def replace(docs)
  load_target

  (target - docs).each do |t|
    case options[:dependent]
      when :destroy    then t.destroy
      when :delete_all then t.delete
      else t.update_attributes(self.foreign_key => nil)
    end
  end

  docs.each { |doc| prepare(doc).save }
  reset
end

#save_to_collection(options = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/associations/proxy/many_documents_proxy.rb', line 75

def save_to_collection(options={})
  @target.each { |doc| doc.save(options) } if @target
end