Module: HQ::GraphQL::Resource::AutoMutation

Included in:
ClassMethods
Defined in:
lib/hq/graphql/resource/auto_mutation.rb

Instance Method Summary collapse

Instance Method Details

#build_copy ⇒ Object 



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# File 'lib/hq/graphql/resource/auto_mutation.rb', line 67

def build_copy
  scoped_self = self

  build_mutation(action: :copy, require_primary_key: true, nil_klass: true) do
    define_method(:resolve) do |**args|
      resource = scoped_self.find_record(args, context)

      if resource
        copy = resource.copy
        if copy.save
          {
            resource: copy,
            errors: {},
          }
        else
          {
            resource: copy,
            errors: errors_from_resource(copy)
          }
        end
      else
        {
          resource: nil,
          errors: { resource: "Unable to find #{self.class.graphql_name}" }
        }
      end
    end
  end
end

#build_create ⇒ Object 



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# File 'lib/hq/graphql/resource/auto_mutation.rb', line 7

def build_create
  scoped_self = self

  build_mutation(action: :create) do
    define_method(:resolve) do |**args|
      resource = scoped_self.new_record(context)
      resource.assign_attributes(args[:attributes].format_nested_attributes)
      if resource.save
        {
          resource: resource,
          errors: {},
        }
      else
        {
          resource: nil,
          errors: errors_from_resource(resource)
        }
      end
    end

    lazy_load do
      argument :attributes, ::HQ::GraphQL::Inputs[scoped_self.model_name], required: true
    end
  end
end

#build_destroy ⇒ Object 



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# File 'lib/hq/graphql/resource/auto_mutation.rb', line 97

def build_destroy
  scoped_self = self

  build_mutation(action: :destroy, require_primary_key: true) do
    define_method(:resolve) do |**attrs|
      resource = scoped_self.find_record(attrs, context)

      if resource
        if resource.destroy
          {
            resource: resource,
            errors: {},
          }
        else
          {
            resource: nil,
            errors: errors_from_resource(resource)
          }
        end
      else
        {
          resource: nil,
          errors: { resource: "Unable to find #{self.class.graphql_name}" }
        }
      end
    end
  end
end

#build_mutation(action:, require_primary_key: false, nil_klass: false, &block) ⇒ Object 



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# File 'lib/hq/graphql/resource/auto_mutation.rb', line 126

def build_mutation(action:, require_primary_key: false, nil_klass: false, &block)
  gql_name = "#{graphql_name}#{action.to_s.titleize}"
  scoped_model_name = model_name
  Class.new(::HQ::GraphQL::Mutation) do
    graphql_name gql_name

    define_method(:ready?) do |*args|
      super(*args) && ::HQ::GraphQL.authorized?(action, scoped_model_name, context)
    end

    lazy_load do
      field :errors, ::HQ::GraphQL::Types::Object, null: false
      field :resource, ::HQ::GraphQL::Types[scoped_model_name, nil_klass], null: true
    end

    instance_eval(&block)

    if require_primary_key
      lazy_load do
        klass = scoped_model_name.constantize
        primary_key = klass.primary_key
        argument primary_key, ::GraphQL::Types::ID, required: true
      end
    end

    def errors_from_resource(resource)
      resource.errors.to_h.deep_transform_keys { |k| k.to_s.camelize(:lower) }
    end
  end
end

#build_update ⇒ Object 



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# File 'lib/hq/graphql/resource/auto_mutation.rb', line 33

def build_update
  scoped_self = self

  build_mutation(action: :update, require_primary_key: true) do
    define_method(:resolve) do |**args|
      resource = scoped_self.find_record(args, context)

      if resource
        resource.assign_attributes(args[:attributes].format_nested_attributes)
        if resource.save
          {
            resource: resource,
            errors: {},
          }
        else
          {
            resource: nil,
            errors: errors_from_resource(resource)
          }
        end
      else
        {
          resource: nil,
          errors: { resource: "Unable to find #{self.class.graphql_name}" }
        }
      end
    end

    lazy_load do
      argument :attributes, ::HQ::GraphQL::Inputs[scoped_self.model_name], required: true
    end
  end
end