Module: Graphiti::Resource::Sideloading::ClassMethods

Defined in:
lib/graphiti/resource/sideloading.rb

Instance Method Summary collapse

Instance Method Details

#all_sideloads(memo = {}) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 96

def all_sideloads(memo = {})
  sideloads.each_pair do |name, sideload|
    unless memo[name]
      memo[name] = sideload
      memo.merge!(sideload.resource.class.all_sideloads(memo))
    end
  end
  memo
end

#allow_sideload(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 9

def allow_sideload(name, opts = {}, &blk)
  klass = Class.new(opts.delete(:class) || Sideload)
  klass.class_eval(&blk) if blk
  opts[:parent_resource] = self
  relationship_option(opts, :readable)
  relationship_option(opts, :writable)
  sideload = klass.new(name, opts)
  if (parent = opts[:parent])
    parent.children[name] = sideload
  else
    config[:sideloads][name] = sideload
    apply_sideload_to_serializer(name) if eagerly_apply_sideload?(sideload)
  end
  sideload
end

#apply_sideload_to_serializer(name) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 25

def apply_sideload_to_serializer(name)
  Util::SerializerRelationships.new(self, config[:sideloads].slice(name)).apply
end

#apply_sideloads_to_serializer ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 29

def apply_sideloads_to_serializer
  Util::SerializerRelationships.new(self, config[:sideloads]).apply
end

#association_names(memo = []) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 106

def association_names(memo = [])
  all_sideloads.each_pair do |name, sl|
    unless memo.include?(sl.name)
      memo << sl.name
      memo |= sl.resource.class.association_names(memo)
    end
  end

  memo
end

#association_types(memo = []) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 117

def association_types(memo = [])
  all_sideloads.each_pair do |name, sl|
    unless memo.include?(sl.resource.type)
      memo << sl.resource.type
      memo |= sl.resource.class.association_types(memo)
    end
  end

  memo
end

#belongs_to(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 38

def belongs_to(name, opts = {}, &blk)
  opts[:class] ||= adapter.sideloading_classes[:belongs_to]
  allow_sideload(name, opts, &blk)
end

#eagerly_apply_sideload?(sideload) ⇒ Boolean

If eager loading, ensure routes are loaded first, then apply This happens in Railtie

Returns:

  • (Boolean) 


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# File 'lib/graphiti/resource/sideloading.rb', line 130

def eagerly_apply_sideload?(sideload)
  # TODO: Maybe handle this in graphiti-rails
  if defined?(::Rails) && (app = ::Rails.application)
    app.config.eager_load ? false : true
  else
    sideload.resource_class_loaded?
  end
end

#has_many(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 33

def has_many(name, opts = {}, &blk)
  opts[:class] ||= adapter.sideloading_classes[:has_many]
  allow_sideload(name, opts, &blk)
end

#has_one(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 43

def has_one(name, opts = {}, &blk)
  opts[:class] ||= adapter.sideloading_classes[:has_one]
  allow_sideload(name, opts, &blk)
end

#many_to_many(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 48

def many_to_many(name, opts = {}, &blk)
  opts[:class] ||= adapter.sideloading_classes[:many_to_many]
  allow_sideload(name, opts, &blk)
end

#polymorphic_belongs_to(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 53

def polymorphic_belongs_to(name, opts = {}, &blk)
  opts[:resource] ||= Class.new(::Graphiti::Resource) {
    self.polymorphic = []
    self.abstract_class = true
  }
  # adapters *probably* don't need to override this, but it's allowed
  opts[:class] ||= adapter.sideloading_classes[:polymorphic_belongs_to]
  opts[:class] ||= ::Graphiti::Sideload::PolymorphicBelongsTo
  allow_sideload(name, opts, &blk)
end

#polymorphic_has_many(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 64

def polymorphic_has_many(name, opts = {}, &blk)
  as = opts.delete(:as)
  opts[:foreign_key] ||= :"#{as}_id"
  opts[:polymorphic_as] ||= as
  model_ref = model
  has_many name, opts do
    params do |hash|
      hash[:filter][:"#{as}_type"] = {eql: model_ref.name}
    end

    instance_eval(&blk) if blk
  end
end

#polymorphic_has_one(name, opts = {}, &blk) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 78

def polymorphic_has_one(name, opts = {}, &blk)
  as = opts.delete(:as)
  opts[:foreign_key] ||= :"#{as}_id"
  opts[:polymorphic_as] ||= as
  model_ref = model
  has_one name, opts do
    params do |hash|
      hash[:filter][:"#{as}_type"] = {eql: model_ref.name}
    end

    instance_eval(&blk) if blk
  end
end

#sideload(name) ⇒ Object 



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# File 'lib/graphiti/resource/sideloading.rb', line 92

def sideload(name)
  sideloads[name]
end