Class: Hai::GraphQL::CreateMutations

Inherits:
Object
  • Object
show all
Defined in:
lib/hai/graphql/create_mutations.rb

Class Method Summary collapse

Class Method Details

.add(mutation_type, model) ⇒ Object 



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# File 'lib/hai/graphql/create_mutations.rb', line 7

def add(mutation_type, model)
  define_resolver(model)
  add_field(mutation_type, model)
end

.add_field(mutation_type, model) ⇒ Object 



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# File 'lib/hai/graphql/create_mutations.rb', line 38

def add_field(mutation_type, model)
  mutation_type.field(
    "create_#{model.name.downcase}",
    mutation: Hai::GraphQL::Types.const_get("Create#{model}")
  )
end

.define_resolver(model) ⇒ Object 



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# File 'lib/hai/graphql/create_mutations.rb', line 12

def define_resolver(model)
  klass = Class.new(Hai::GraphQL::Types::BaseCreate)
  klass.send(:graphql_name, "Create#{model}")
  klass.description("Attributes for creating or updating a #{model}.")
  model.attribute_types.each do |attr, type|
    next if %w[id created_at updated_at].include?(attr)
    next if attr.blank? # if the model has no other attributes

    presence_validators = get_presence_validators(model)

    klass.argument(
      attr,
      Hai::GraphQL::TYPE_CAST[type.class] ||
        Hai::GraphQL::TYPE_CAST[type.class.superclass],
      required: presence_validators.include?(attr),
    )
  end

  klass.field(:result, ::Types.const_get("#{model}Type"))

  klass.define_method(:resolve) do |args = {}|
    Hai::Create.new(model, context).execute(**args)
  end
  Hai::GraphQL::Types.const_set("Create#{model}", klass)
end