Module: RestfulObjects::ObjectActions

Defined in:
lib/restful_objects/object_actions.rb

Instance Method Summary collapse

Instance Method Details

#action_return_type(action) ⇒ Object 



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# File 'lib/restful_objects/object_actions.rb', line 100

def action_return_type(action)
  RestfulObjects::DomainModel.current.types[self.class.name].actions[action].result_type
end

#actions_members ⇒ Object 



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# File 'lib/restful_objects/object_actions.rb', line 3

def actions_members
  members = {}
  rs_type.actions.each do |name, action|
    members[name] = {
      'memberType' => 'action',
      'links' => [
        !is_service ?
          link_to(:details, "/objects/#{self.class.name}/#{object_id}/actions/#{name}", :object_action, action: name)
          :
          link_to(:details, "/services/#{self.class.name}/actions/#{name}", :object_action, action: name)
      ],
      'extensions' => action.metadata
    }
  end
  members
end

#generate_parameters(action) ⇒ Object 



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# File 'lib/restful_objects/object_actions.rb', line 28

def generate_parameters(action)
  parameters = Hash.new
  rs_type.actions[action].parameters.each do |name, parameter|
    parameters[name] = {
      'links' => [],
      'extensions' => parameter.metadata
    }
  end
  parameters
end

#get_action(action) ⇒ Object 



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# File 'lib/restful_objects/object_actions.rb', line 20

def get_action(action)
  { 'id' => action,
    'parameters' => generate_parameters(action),
    'links' => [ rs_action_link(action), rs_action_up_link, rs_invoke_link(action) ],
    'extensions' => rs_type.actions[action].metadata
  }.to_json
end

#get_action_invoke(action, json) ⇒ Object 



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# File 'lib/restful_objects/object_actions.rb', line 39

def get_action_invoke(action, json)
  raise 'action does not exists' if not rs_type.actions.include?(action)
  action_description = rs_type.actions[action]
  json == '' ? {} : arguments = JSON.parse(json)
  parameters = []
  action_description.parameters.each do |name, parameter|
    case parameter.type
      when :int
        parameters << arguments[name.to_s]['value'].to_i
      else
        parameters << arguments[name.to_s]['value']
    end
  end

  result = send(action.to_sym, *parameters)

  action_link = link_to(:self, "/objects/#{self.class.name}/#{object_id}/actions/#{action}/invoke", :action_result)
  action_link['arguments'] = arguments

  response = {
    'links' => [ action_link ],
    'resultType' => 'scalar',
    'result' => {
      'links' => [],
      'extensions' => { }
    },
    'extensions' => { }
  }

  response['resultType'] = action_description.kind_result_type.to_s
  if result.nil?
    response['result'] = nil
  else
    case action_description.kind_result_type
      when :scalar
        response['resultType'] = 'scalar'
        response['result']['value'] = encode_value(result, action_description.result_type)
        response['result']['links'] = [ link_to(:return_type, '/domain-types/int', :domain_type) ]
      when :object
        response['resultType'] = 'object'
        response['result'] = result.representation
      when :proto_object
        response['resultType'] = 'object'
        response['result'] = result
      when :list
        response['resultType'] = 'list'
        response['result']['links'] =
          [ link_to(:element_type, "/domain-types/#{action_description.result_type.to_s}", :domain_type) ]
        list = []
        result.each do |member|
          member_link = link_to(:element, "/objects/#{action_description.result_type.to_s}/#{member.rs_instance_id}", :object)
          member_link['title'] = member.title
          list << member_link
        end
        response['result']['value'] = list
    end
  end

  response.to_json
end