Module: Paperclip::Validators::ClassMethods
- Defined in:
- lib/paperclip/validators.rb
Instance Method Summary collapse
- #create_validating_before_filter(attribute, validator_class, options) ⇒ Object
- #validate_before_processing(validator_class, options) ⇒ Object
-
#validates_attachment(*attributes) ⇒ Object
This method is a shortcut to validator classes that is in “Attachment…Validator” format.
Instance Method Details
#create_validating_before_filter(attribute, validator_class, options) ⇒ Object
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# File 'lib/paperclip/validators.rb', line 57 def create_validating_before_filter(attribute, validator_class, ) if_clause = .delete(:if) unless_clause = .delete(:unless) send(:"before_#{attribute}_post_process", :if => if_clause, :unless => unless_clause) do |*args| validator_class.new(.dup).validate(self) end end |
#validate_before_processing(validator_class, options) ⇒ Object
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# File 'lib/paperclip/validators.rb', line 48 def validate_before_processing(validator_class, ) = .dup attributes = .delete(:attributes) attributes.each do |attribute| [:attributes] = [attribute] create_validating_before_filter(attribute, validator_class, ) end end |
#validates_attachment(*attributes) ⇒ Object
This method is a shortcut to validator classes that is in “Attachment…Validator” format. It is almost the same thing as the validates
method that shipped with Rails, but this is customized to be using with attachment validators. This is helpful when you’re using multiple attachment validators on a single attachment.
Example of using the validator:
:avatar, :presence => true,
:content_type => { :content_type => "image/jpg" },
:size => { :in => 0..10.kilobytes }
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# File 'lib/paperclip/validators.rb', line 29 def (*attributes) = attributes..dup Paperclip::Validators.constants.each do |constant| if constant.to_s =~ /\AAttachment(.+)Validator\Z/ validator_kind = $1.underscore.to_sym if .has_key?(validator_kind) = .delete(validator_kind) = {} if == true = attributes + [] = .slice(:if, :unless) .last.merge!() send(:"validates_attachment_#{validator_kind}", *) end end end end |