Module: CustomFields::Types::File::Target::ClassMethods

Defined in:
lib/custom_fields/types/file.rb

Instance Method Summary collapse

Instance Method Details

#apply_file_custom_field(klass, rule) ⇒ Object

Adds a file field (using carrierwave)

Parameters:

  • klass (Class) —

    The class to modify

  • rule (Hash) —

    It contains the name of the field and if it is required or not



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# File 'lib/custom_fields/types/file.rb', line 17

def apply_file_custom_field(klass, rule)
  name = rule['name']

  klass.mount_uploader name, FileUploader
  klass.field :"#{name}_size", type: ::Hash, default: {}

  klass.replace_field name, ::String, true if rule['localized'] == true

  return unless rule['required']

  # FIXME: previously, we called "klass.validates_presence_of name"
  # but it didn't work well with localized fields.
  klass.validate do |object|
    UploaderPresenceValidator.new(object, name).validate
  end
end

#file_attribute_get(instance, name) ⇒ Hash

Build a hash storing the url for a file custom field of an instance.

Parameters:

  • instance (Object) —

    An instance of the class enhanced by the custom_fields

  • name (String) —

    The name of the file custom field

Returns:

  • (Hash) —

    field name => url or empty hash if no file



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# File 'lib/custom_fields/types/file.rb', line 41

def file_attribute_get(instance, name)
  if instance.send(:"#{name}?") # "
    value = instance.send(name.to_sym).url
    { name => value, "#{name}_url" => value }
  else
    {}
  end
end

#file_attribute_set(instance, name, attributes) ⇒ Object

Set the value for the instance and the file field specified by the 2 params.

Parameters:

  • instance (Object) —

    An instance of the class enhanced by the custom_fields

  • name (String) —

    The name of the file custom field

  • attributes (Hash) —

    The attributes used to fetch the values



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# File 'lib/custom_fields/types/file.rb', line 57

def file_attribute_set(instance, name, attributes)
  [name, "remote_#{name}_url", "remove_#{name}"].each do |_name|
    default_attribute_set(instance, _name, attributes)
  end.compact
end