Module: GdatastoreMapper::Scoping

Defined in:
lib/gdatastore_mapper/scoping.rb

Instance Method Summary collapse

Instance Method Details

#all(&block) ⇒ Object Also known as: each 



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# File 'lib/gdatastore_mapper/scoping.rb', line 37

def all &block
  order(created_at: :asc, &block)
end

#count ⇒ Object 



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# File 'lib/gdatastore_mapper/scoping.rb', line 50

def count
  all.count
end

#find(id) ⇒ Object 



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# File 'lib/gdatastore_mapper/scoping.rb', line 11

def find id
  return nil if id.nil?
  query = Google::Cloud::Datastore::Key.new self.to_s, 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/scoping.rb', line 18

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/scoping.rb', line 23

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

#first ⇒ Object 



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# File 'lib/gdatastore_mapper/scoping.rb', line 42

def first
  all.first
end

#last ⇒ Object 



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# File 'lib/gdatastore_mapper/scoping.rb', line 46

def last
  all.last
end

#limit(condition) ⇒ Object 



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# File 'lib/gdatastore_mapper/scoping.rb', line 54

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

#order(condition, &block) ⇒ Object 



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# File 'lib/gdatastore_mapper/scoping.rb', line 32

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/scoping.rb', line 6

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