module GdatastoreMapper::Scoping
Public Instance Methods
all(&block)
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# File lib/gdatastore_mapper/scoping.rb, line 37 def all &block order(created_at: :asc, &block) end
Also aliased as: each
count()
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# File lib/gdatastore_mapper/scoping.rb, line 50 def count all.count end
find(id)
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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)
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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)
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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()
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# File lib/gdatastore_mapper/scoping.rb, line 42 def first all.first end
last()
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# File lib/gdatastore_mapper/scoping.rb, line 46 def last all.last end
limit(condition)
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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)
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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)
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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
Private Instance Methods
dataset_run(query, &block)
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# File lib/gdatastore_mapper/scoping.rb, line 77 def dataset_run query, &block entities = GdatastoreMapper::Session.dataset.run query result = GdatastoreMapper::Relation.new(self, nil) entities.each do |entity| record = from_entity(entity) block.call(record) if block_given? record = find(record.id) result << record if record end result end
order_query(condition)
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# File lib/gdatastore_mapper/scoping.rb, line 69 def order_query condition query = Google::Cloud::Datastore::Query.new.kind(self.to_s) condition.each do |property, value| query.order(property.to_s, value) end query end
where_query(condition)
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# File lib/gdatastore_mapper/scoping.rb, line 61 def where_query condition query = Google::Cloud::Datastore::Query.new.kind(self.to_s) condition.each do |property, value| query.where(property.to_s, '=', value) end query end