Module: GdatastoreMapper::QueryMethods

Extended by:
ActiveSupport::Concern
Included in:
Relation
Defined in:
lib/gdatastore_mapper/relation/query_methods.rb

Instance Method Summary collapse

Instance Method Details

#find(id) ⇒ Object 



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# File 'lib/gdatastore_mapper/relation/query_methods.rb', line 15

def find id
  return nil if id.nil?
  query = Google::Cloud::Datastore::Key.new in_class, id.to_i
  entities = GdatastoreMapper::Session.dataset.lookup query
  from_entity entities.first if entities.any?
end

#find_by(condition) ⇒ Object 



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# File 'lib/gdatastore_mapper/relation/query_methods.rb', line 22

def find_by condition
  return nil unless condition.is_a?(Hash)
  where(condition)&.first
end

#find_or_create(condition) ⇒ Object 



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# File 'lib/gdatastore_mapper/relation/query_methods.rb', line 27

def find_or_create condition
  return nil unless condition.is_a?(Hash)
  if record = where(condition)&.first
    record
  else
    create condition
  end
end

#limit(condition) ⇒ Object 



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# File 'lib/gdatastore_mapper/relation/query_methods.rb', line 36

def limit condition
  return nil unless condition.is_a?(Fixnum)
  self[0..condition-1]
end

#order(condition, &block) ⇒ Object 



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# File 'lib/gdatastore_mapper/relation/query_methods.rb', line 5

def order condition, &block
  return nil unless condition.is_a?(Hash)
  dataset_run(order_query(condition), &block)
end

#where(condition, &block) ⇒ Object 



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# File 'lib/gdatastore_mapper/relation/query_methods.rb', line 10

def where condition, &block
  return nil unless condition.is_a?(Hash)
  dataset_run(where_query(condition), &block)
end