Module: Paperclip::Validate::ClassMethods

Defined in:
lib/dm-paperclip/validations.rb

Instance Method Summary collapse

Instance Method Details

#validates_attachment_content_type(*fields) ⇒ Object

Places ActiveRecord-style validations on the content type of the file assigned. The possible options are:

  • content_type: Allowed content types. Can be a single content type or an array. Allows all by default.

  • message: The message to display when the uploaded file has an invalid content type.



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# File 'lib/dm-paperclip/validations.rb', line 30

def validates_attachment_content_type(*fields)
  validators.add(Paperclip::Validate::ContentTypeValidator, *fields)
end

#validates_attachment_geometry(*fields) ⇒ Object

Places ActiveRecord-style validations on the geometry of the file assigned. The required options are:

  • height: a Range of pixels (i.e. 100..300+),

  • width: a Range of pixels (i.e. 100..300+)



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# File 'lib/dm-paperclip/validations.rb', line 38

def validates_attachment_geometry(*fields)
  validators.add(Paperclip::Validate::GeometryValidator, *fields)
end

#validates_attachment_presence(*fields) ⇒ Object

Places ActiveRecord-style validations on the presence of a file.



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# File 'lib/dm-paperclip/validations.rb', line 22

def validates_attachment_presence(*fields)
  validators.add(Paperclip::Validate::RequiredFieldValidator, *fields)
end

#validates_attachment_size(*fields) ⇒ Object

Places ActiveRecord-style validations on the size of the file assigned. The possible options are:

  • in: a Range of bytes (i.e. 1..1.megabyte),

  • less_than: equivalent to :in => 0..options

  • greater_than: equivalent to :in => options..Infinity

  • message: error message to display, use :min and :max as replacements



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# File 'lib/dm-paperclip/validations.rb', line 12

def validates_attachment_size(*fields)
  validators.add(Paperclip::Validate::SizeValidator, *fields)
end

#validates_attachment_thumbnails(name, options = {}) ⇒ Object

Adds errors if thumbnail creation fails. The same as specifying :whiny_thumbnails => true.



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# File 'lib/dm-paperclip/validations.rb', line 17

def validates_attachment_thumbnails name, options = {}
  self.attachment_definitions[name][:whiny_thumbnails] = true
end