module EagerGroup::ClassMethods
Public Instance Methods
add_eager_group_definition(ar, definition_name, definition)
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mattr_accessor :eager_group_definitions, default: {}
# File lib/eager_group.rb, line 22 def add_eager_group_definition(ar, definition_name, definition) ar.eager_group_definitions = self.eager_group_definitions.except(definition_name).merge!(definition_name => definition) end
define_definition_accessor(definition_name)
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# File lib/eager_group.rb, line 35 def define_definition_accessor(definition_name) define_method definition_name, lambda { |*args| query_result_cache = instance_variable_get("@#{definition_name}") return query_result_cache if args.blank? && query_result_cache.present? preload_eager_group(definition_name, *args) instance_variable_get("@#{definition_name}") } define_method "#{definition_name}=" do |val| instance_variable_set("@#{definition_name}", val) end end
define_eager_group(attr, association, aggregate_function, column_name, scope = nil)
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class Post
define_eager_group :comments_avergage_rating, :comments, :average, :rating define_eager_group :approved_comments_count, :comments, :count, :*, -> { approved }
end
# File lib/eager_group.rb, line 30 def define_eager_group(attr, association, aggregate_function, column_name, scope = nil) add_eager_group_definition(self, attr, Definition.new(association, aggregate_function, column_name, scope)) define_definition_accessor(attr) end