Module: Mongoload::RelationLoader

Defined in:
lib/mongoload/relation_loader.rb

Class Method Summary collapse

Class Method Details

.auto_include?(doc, metadata) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mongoload/relation_loader.rb', line 18

def auto_include?(doc, metadata)
  metadata.auto_include? && relation?(doc, metadata) && !loaded?(doc, metadata)
end

.eager_load(metadata, docs) ⇒ Object 



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# File 'lib/mongoload/relation_loader.rb', line 14

def eager_load(metadata, docs)
  metadata.relation.eager_load_klass.new([metadata], docs).run
end

.load(doc, metadata) ⇒ Object 



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# File 'lib/mongoload/relation_loader.rb', line 6

def load(doc, metadata)
  docs = doc.auto_include_context.docs.select do |d|
    auto_include?(d, metadata)
  end
  eager_load(metadata, docs)
  docs.include?(doc)
end

.loaded?(doc, metadata) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mongoload/relation_loader.rb', line 26

def loaded?(doc, metadata)
  if [Mongoid::Relations::Referenced::In, Mongoid::Relations::Referenced::One].include?(metadata.relation)
    doc.ivar(metadata.name) != false
  else
    doc.public_send(metadata.name)._loaded?
  end
end

.relation?(doc, metadata) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mongoload/relation_loader.rb', line 22

def relation?(doc, metadata)
  doc.relations.values.include?(metadata)
end