Module: RestfulObjects::ObjectProperties

Defined in:
lib/restful_objects/domain_model/mixins/object_properties.rb

Instance Method Summary collapse

Instance Method Details

#clear_property(property) ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 83

def clear_property(property)
  raise "property not exists" if not rs_model.types[self.class.name].properties.include?(property)
  raise "read-only property" if rs_model.types[self.class.name].properties[property].read_only

  send("#{property}=".to_sym, nil)
  on_after_update if respond_to?(:on_after_update)
  get_property_as_json(property)
end

#get_property_as_json(property) ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 33

def get_property_as_json(property)
  property = property.to_s if property.is_a?(Symbol)
  raise "Property not exists" if not rs_model.types[self.class.name].properties.include?(property)

  representation = {
    property =>
      { 'value' => get_property_value(property),
        'links' => [
          link_to(:self, "/objects/#{self.class.name}/#{object_id}/properties/#{property}", :object_property),
          link_to(:up, "/objects/#{self.class.name}/#{object_id}", :object) ],
        'extensions' => rs_model.types[self.class.name].properties[property].metadata
      }
  }

  if not rs_model.types[self.class.name].properties[property].read_only then
    representation[property]['links'].concat [
      link_to(:modify, "/objects/#{self.class.name}/#{object_id}/properties/#{property}", :object_property,
        { property: property, method: 'PUT', arguments: { 'value' => nil } }),
      link_to(:clear, "/objects/#{self.class.name}/#{object_id}/properties/#{property}", :object_property,
        { property: property, method: 'DELETE'} ) ]

    if self.respond_to?("#{property}_choices")
      choices = self.send("#{property}_choices")
      raise "value returned by #{property}_choices method should be an Array" unless choices.is_a?(Array)
      if property_description(property).is_reference
        choices_json = choices.map { |object| object.get_property_rel_representation(property) }
      else
        choices_json = choices.map { |value| decode_value(value, property_type(property)) }
      end
      representation[property]['choices'] = choices_json
    end
  else
    representation[property]['disabledReason'] =
      rs_model.types[self.class.name].properties[property].disabled_reason
  end

  representation.to_json
end

#get_property_value(property) ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 100

def get_property_value(property)
  encode_value(send(property.to_sym), property_type(property), property)
end

#properties_members ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 3

def properties_members
  members = {}
  rs_type.properties.each do |name, property|
    members[name] = {
      'memberType' => 'property',
      'value' => get_property_value(name),
      'links' => [
        link_to(:details, "/objects/#{self.class.name}/#{object_id}/properties/#{name}", :object_property, property: name)
      ],
      'extensions' => property.metadata
    }

    if property.read_only
      members[name]['disabledReason'] = property.disabled_reason
    else
      if self.respond_to?("#{name}_choices")
        choices = self.send("#{name}_choices")
        raise "value returned by #{name}_choices method should be an Array" unless choices.is_a?(Array)
        if property_description(name).is_reference
          choices_json = choices.map { |object| object.get_property_rel_representation(name) }
        else
          choices_json = choices.map { |value| decode_value(value, property_type(name)) }
        end
        members[name]['choices'] = choices_json
      end
    end
  end
  members
end

#property_description(property) ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 92

def property_description(property)
  rs_model.types[self.class.name].properties[property]
end

#property_type(property) ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 96

def property_type(property)
  rs_model.types[self.class.name].properties[property].return_type
end

#put_property_as_json(property, json) ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 72

def put_property_as_json(property, json)
  property = property.to_s if property.is_a?(Symbol)
  raise 'property not exists' unless rs_model.types[self.class.name].properties.include?(property)
  raise 'read-only property' if rs_model.types[self.class.name].properties[property].read_only

  value = JSON.parse(json)['value']
  set_property_value(property, value)
  on_after_update if respond_to?(:on_after_update)
  get_property_as_json(property)
end

#set_property_value(property, value) ⇒ Object 



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# File 'lib/restful_objects/domain_model/mixins/object_properties.rb', line 104

def set_property_value(property, value)
  if property_description(property).is_reference
    unless value.nil?
      href_value = value['href']
      match = Regexp.new(".*/objects/(?<domain-type>\\w*)/(?<object-id>\\d*)").match(href_value)
      raise "invalid property reference format: '#{href_value}'" if not match
      domain_type = match['domain-type']
      id = match['object-id'].to_i
      raise "value does not exists" if not rs_model.objects.include?(id)
      raise "domain-type does not exists" if not rs_model.types.include?(domain_type)
      send "#{property}=".to_sym, rs_model.objects[id]
    else
      send "#{property}=".to_sym, nil
    end
  else
    send "#{property}=".to_sym, decode_value(value, property_type(property))
  end
end