Module: AutoGraphQL

Extended by:
AutoGraphQL
Included in:
AutoGraphQL
Defined in:
lib/autographql.rb,
lib/autographql/autographql.rb,
lib/autographql/object_type.rb,
lib/autographql/type_builder.rb,
lib/autographql/query_builder.rb

Defined Under Namespace

Modules: ObjectType, QueryBuilder, TypeBuilder

Constant Summary collapse

VERSION = 
'0.0.3'
@@models = 
{}

Instance Method Summary collapse

Instance Method Details

#const_missing(const) ⇒ Object

dynamically generate ::QueryType



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# File 'lib/autographql/autographql.rb', line 51

def const_missing const
  case const
  when :QueryType
    AutoGraphQL::QueryBuilder.build @@models
  else
    super
  end
end

#register(model, options = {}) ⇒ Object 



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# File 'lib/autographql/autographql.rb', line 10

def register model, options = {}
  # sanitize options

  name = options.fetch(:name, model.name)
  name.gsub! /:/, '_'

  exclude = options.fetch(:exclude, []).map(&:to_sym)

  # add `id' column by default
  fields = [ :id ]

  # either use user specified fields or default to all
  fields += options.fetch(:fields) do
    res = model.columns_hash.keys

    # add relationships
    res += [ :has_one, :has_many, :belongs_to ].map do |type|
      model.reflect_on_all_associations(type).map &:name
    end.flatten
  end.map(&:to_sym) - exclude

  model_methods = options.fetch(:methods, {})
  # ensure methods actually exist
  model_methods.each do |name, type|
    unless model.method_defined? name
      raise NoMethodError.new(
        "undefined method `#{name}' for #{model}"
      )
    end
  end

  @@models[model] = {
    name: name,
    description: options.fetch(:description, ''),
    fields: fields,
    methods: model_methods,
  }
end