lib/dynamoid/document.rb in dynamoid-1.3.4 vs lib/dynamoid/document.rb in dynamoid-2.0.0

@@ -70,22 +70,30 @@
       #
       # @return [Dynamoid::Document] the saved document
       #
       # @since 0.2.0
       def create(attrs = {})
-        build(attrs).tap(&:save)
+        if attrs.is_a?(Array)
+          attrs.map { |attr| create(attr) }
+        else
+          build(attrs).tap(&:save)
+        end
       end
 
       # Initialize a new object and immediately save it to the database. Raise an exception if persistence failed.
       #
       # @param [Hash] attrs Attributes with which to create the object.
       #
       # @return [Dynamoid::Document] the saved document
       #
       # @since 0.2.0
       def create!(attrs = {})
-        build(attrs).tap(&:save!)
+        if attrs.is_a?(Array)
+          attrs.map { |attr| create!(attr) }
+        else
+          build(attrs).tap(&:save!)
+        end
       end
 
       # Initialize a new object.
       #
       # @param [Hash] attrs Attributes with which to create the object.
@@ -104,14 +112,18 @@
       # @return [Boolean] true/false
       #
       # @since 0.2.0
       def exists?(id_or_conditions = {})
         case id_or_conditions
-          when Hash then ! where(id_or_conditions).all.empty?
-          else !! find(id_or_conditions)
+          when Hash then where(id_or_conditions).first.present?
+          else !! find_by_id(id_or_conditions)
         end
       end
+
+      def deep_subclasses
+        subclasses + subclasses.map(&:deep_subclasses).flatten
+      end
     end
 
     # Initialize a new object.
     #
     # @param [Hash] attrs Attributes with which to create the object.
@@ -165,10 +177,10 @@
     # @return [Dynamoid::Document] the document this method was called on
     #
     # @since 0.2.0
     def reload
       range_key_value = range_value ? dumped_range_value : nil
-      self.attributes = self.class.find(hash_key, :range_key => range_key_value, :consistent_read => true).attributes
+      self.attributes = self.class.find(hash_key, range_key: range_key_value, consistent_read: true).attributes
       @associations.values.each(&:reset)
       self
     end
 
     # Return an object's hash key, regardless of what it might be called to the object.