class GraphqlRails::Decorator::RelationDecorator
wrapps active record relation and returns decorated object instead
Attributes
decorator[R]
decorator_args[R]
relation[R]
Public Class Methods
decorates?(object)
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# File lib/graphql_rails/decorator/relation_decorator.rb, line 10 def self.decorates?(object) (defined?(ActiveRecord) && object.is_a?(ActiveRecord::Relation)) || defined?(Mongoid) && object.is_a?(Mongoid::Criteria) end
new(decorator:, relation:, decorator_args: [])
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# File lib/graphql_rails/decorator/relation_decorator.rb, line 15 def initialize(decorator:, relation:, decorator_args: []) @relation = relation @decorator = decorator @decorator_args = decorator_args end
Public Instance Methods
to_a()
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# File lib/graphql_rails/decorator/relation_decorator.rb, line 39 def to_a @to_a ||= relation.to_a.map { |it| decorator.new(it, *decorator_args) } end
Private Instance Methods
chainable_method(method_name, *args, &block)
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# File lib/graphql_rails/decorator/relation_decorator.rb, line 69 def chainable_method(method_name, *args, &block) new_relation = relation.public_send(method_name, *args, &block) self.class.new(decorator: decorator, relation: new_relation, decorator_args: decorator_args) end
decoratable_block_method(method_name, *args) { |decorated_object, *other_args| ... }
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# File lib/graphql_rails/decorator/relation_decorator.rb, line 62 def decoratable_block_method(method_name, *args) relation.public_send(method_name, *args) do |object, *other_args| decorated_object = decorate(object) yield(decorated_object, *other_args) end end
decoratable_object_method(method_name, *args, &block)
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# File lib/graphql_rails/decorator/relation_decorator.rb, line 47 def decoratable_object_method(method_name, *args, &block) object = relation.public_send(method_name, *args, &block) decorate(object) end
decorate(object_or_list)
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# File lib/graphql_rails/decorator/relation_decorator.rb, line 52 def decorate(object_or_list) return object_or_list if object_or_list.blank? if object_or_list.is_a?(Array) object_or_list.map { |it| decorator.new(it, *decorator_args) } else decorator.new(object_or_list, *decorator_args) end end