Class: GraphqlRails::Decorator::RelationDecorator

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql_rails/decorator/relation_decorator.rb

Overview

wraps active record relation and returns decorated object instead

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(decorator:, relation:, decorator_args: [], decorator_kwargs: {}) ⇒ RelationDecorator

Returns a new instance of RelationDecorator.



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# File 'lib/graphql_rails/decorator/relation_decorator.rb', line 15

def initialize(decorator:, relation:, decorator_args: [], decorator_kwargs: {})
  @relation = relation
  @decorator = decorator
  @decorator_args = decorator_args
  @decorator_kwargs = decorator_kwargs
end

Class Method Details

.decorates?(object) ⇒ Boolean

Returns:

  • (Boolean) 


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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

Instance Method Details

#to_a ⇒ Object 



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# File 'lib/graphql_rails/decorator/relation_decorator.rb', line 40

def to_a
  @to_a ||= relation.to_a.map { |it| decorator.new(it, *decorator_args, **decorator_kwargs) }
end