Module: GraphQL::Models::ObjectType

Defined in:
lib/graphql/models/object_type.rb

Constant Summary collapse

DEFAULT_OBJECT_TO_MODEL = 
-> (object) { object }

Class Method Summary collapse

Class Method Details

.attr(graph_type, name, **options, &block) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 69

def attr(graph_type, name, **options, &block)
  ensure_has_model_type(graph_type, __method__)
  object_to_model = graph_type.instance_variable_get(:@unscoped_object_to_model) || DEFAULT_OBJECT_TO_MODEL
  DefinitionHelpers.define_attribute(graph_type, resolve_model_type(graph_type), resolve_model_type(graph_type), [], name, object_to_model, options, &block)
end

.backed_by_model(graph_type, model_type, &block) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 93

def backed_by_model(graph_type, model_type, &block)
  model_type = model_type.to_s.classify.constantize unless model_type.is_a?(Class)

  backer = GraphQL::Models::BackedByModel.new(graph_type, model_type)
  backer.instance_exec(&block)
end

.has_many_array(graph_type, association, **options) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 87

def has_many_array(graph_type, association, **options)
  ensure_has_model_type(graph_type, __method__)
  object_to_model = graph_type.instance_variable_get(:@unscoped_object_to_model) || DEFAULT_OBJECT_TO_MODEL
  DefinitionHelpers.define_has_many_array(graph_type, resolve_model_type(graph_type), resolve_model_type(graph_type), [], association, object_to_model, options)
end

.has_many_connection(graph_type, association, **options) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 81

def has_many_connection(graph_type, association, **options)
  ensure_has_model_type(graph_type, __method__)
  object_to_model = graph_type.instance_variable_get(:@unscoped_object_to_model) || DEFAULT_OBJECT_TO_MODEL
  DefinitionHelpers.define_has_many_connection(graph_type, resolve_model_type(graph_type), resolve_model_type(graph_type), [], association, object_to_model, options)
end

.has_one(graph_type, association, **options) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 75

def has_one(graph_type, association, **options)
  ensure_has_model_type(graph_type, __method__)
  object_to_model = graph_type.instance_variable_get(:@unscoped_object_to_model) || DEFAULT_OBJECT_TO_MODEL
  DefinitionHelpers.define_has_one(graph_type, resolve_model_type(graph_type), resolve_model_type(graph_type), [], association, object_to_model, options)
end

.model_type(graph_type, model_type) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 11

def model_type(graph_type, model_type)
  model_type = model_type.to_s.classify.constantize unless model_type.is_a?(Class)

  object_to_model = -> (object) do
    model_proc = graph_type.instance_variable_get(:@unscoped_object_to_model)
    if model_proc
      model_proc.call(object)
    else
      DEFAULT_OBJECT_TO_MODEL.call(object)
    end
  end

  graph_type.instance_variable_set(:@unscoped_model_type, model_type)

  graph_type.fields['id'] = GraphQL::Field.define do
    name 'id'
    type !types.ID
    resolve -> (object, args, context) { object.gid }
  end

  if GraphQL::Models.node_interface_proc
    node_interface = GraphQL::Models.node_interface_proc.call
    graph_type.interfaces = [*graph_type.interfaces, node_interface].uniq
  end

  graph_type.fields['rid'] = GraphQL::Field.define do
    name 'rid'
    type !types.String
    resolve -> (object, args, context) do
      model = object_to_model.call(object)
      model.id
    end
  end

  graph_type.fields['rtype'] = GraphQL::Field.define do
    name 'rtype'
    type !types.String
    resolve -> (object, args, context) do
      model = object_to_model.call(object)
      model.class.name
    end
  end

  if model_type.columns.detect { |c| c.name == 'created_at'}
    DefinitionHelpers.define_attribute(graph_type, model_type, model_type, [], :created_at, object_to_model, {})
  end

  if model_type.columns.detect { |c| c.name == 'updated_at'}
    DefinitionHelpers.define_attribute(graph_type, model_type, model_type, [], :updated_at, object_to_model, {})
  end
end

.object_to_model(graph_type, model_proc) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 7

def object_to_model(graph_type, model_proc)
  graph_type.instance_variable_set(:@unscoped_object_to_model, model_proc)
end

.proxy_to(graph_type, association, &block) ⇒ Object 



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# File 'lib/graphql/models/object_type.rb', line 63

def proxy_to(graph_type, association, &block)
  ensure_has_model_type(graph_type, __method__)
  object_to_model = graph_type.instance_variable_get(:@unscoped_object_to_model) || DEFAULT_OBJECT_TO_MODEL
  DefinitionHelpers.define_proxy(graph_type, resolve_model_type(graph_type), resolve_model_type(graph_type), [], association, object_to_model, &block)
end