Module: NoBrainer::Document::Types::ClassMethods

Defined in:
lib/no_brainer/document/types.rb

Instance Method Summary collapse

Instance Method Details

#cast_db_to_model_for(attr, value) ⇒ Object 



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# File 'lib/no_brainer/document/types.rb', line 49

def cast_db_to_model_for(attr, value)
  type = fields[attr.to_sym].try(:[], :type)
  return value if type.nil? || value.nil? || !type.respond_to?(:nobrainer_cast_db_to_model)
  type.nobrainer_cast_db_to_model(value)
end

#cast_model_to_db_for(attr, value) ⇒ Object 



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# File 'lib/no_brainer/document/types.rb', line 43

def cast_model_to_db_for(attr, value)
  type = fields[attr.to_sym].try(:[], :type)
  return value if type.nil? || value.nil? || !type.respond_to?(:nobrainer_cast_model_to_db)
  type.nobrainer_cast_model_to_db(value)
end

#cast_user_to_db_for(attr, value) ⇒ Object 



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# File 'lib/no_brainer/document/types.rb', line 55

def cast_user_to_db_for(attr, value)
  value = cast_user_to_model_for(attr, value)
  cast_model_to_db_for(attr, value)
end

#cast_user_to_model_for(attr, value) ⇒ Object 



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# File 'lib/no_brainer/document/types.rb', line 26

def cast_user_to_model_for(attr, value)
  type = fields[attr.to_sym].try(:[], :type)
  return value if type.nil? || value.nil? ||
    value.is_a?(NoBrainer::Document::AtomicOps::PendingAtomic) ||
    value.is_a?(RethinkDB::RQL)

  if type.respond_to?(:nobrainer_cast_user_to_model)
    type.nobrainer_cast_user_to_model(value)
  else
    raise NoBrainer::Error::InvalidType unless value.is_a?(type)
    value
  end
rescue NoBrainer::Error::InvalidType => error
  error.update(:model => self, :value => value, :attr_name => attr, :type => type)
  raise error
end

#field(attr, options = {}) ⇒ Object 



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# File 'lib/no_brainer/document/types.rb', line 64

def field(attr, options={})
  if (type = options[:type]).is_a?(::Array)
    raise ArgumentError, "Expected Array type to have single element, got #{types.inspect}" unless type.length == 1
    options[:type] = NoBrainer::TypedArray.of(type.first)
  end

  super

  type = options[:type]
  return unless type

  raise "Please use a class for the type option" unless type.is_a?(Class)
  case type.to_s
  when "NoBrainer::Geo::Circle" then raise "Cannot store circles :("
  when "NoBrainer::Geo::Polygon", "NoBrainer::Geo::LineString"
    raise "Make a request on github if you'd like to store polygons/linestrings"
  end

  NoBrainer::Document::Types.load_type_extensions(type) if type

  inject_in_layer :types do
    define_method("#{attr}=") do |value|
      begin
        value = self.class.cast_user_to_model_for(attr, value)
        @pending_type_errors.try(:delete, attr)
      rescue NoBrainer::Error::InvalidType => error
        @pending_type_errors ||= {}
        @pending_type_errors[attr] = error
      end
      super(value)
    end
  end

  if type.respond_to?(:nobrainer_field_defined)
    type.nobrainer_field_defined(self, attr, options)
  end
end

#persistable_value(k, v, options = {}) ⇒ Object 



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# File 'lib/no_brainer/document/types.rb', line 60

def persistable_value(k, v, options={})
  cast_model_to_db_for(k, super)
end

#remove_field(attr, options = {}) ⇒ Object 



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# File 'lib/no_brainer/document/types.rb', line 102

def remove_field(attr, options={})
  if type = fields[attr][:type]
    inject_in_layer :types do
      remove_method("#{attr}=")
    end

    if type.respond_to?(:nobrainer_field_undefined)
      type.nobrainer_field_undefined(self, attr, options)
    end
  end
  super
end