diff options
Diffstat (limited to 'activemodel/lib/active_model/validations')
| -rw-r--r-- | activemodel/lib/active_model/validations/format.rb | 2 | ||||
| -rw-r--r-- | activemodel/lib/active_model/validations/length.rb | 50 |
2 files changed, 40 insertions, 12 deletions
diff --git a/activemodel/lib/active_model/validations/format.rb b/activemodel/lib/active_model/validations/format.rb index 02478dd5b6..46a2e54fba 100644 --- a/activemodel/lib/active_model/validations/format.rb +++ b/activemodel/lib/active_model/validations/format.rb @@ -77,7 +77,7 @@ module ActiveModel # with: ->(person) { person.admin? ? /\A[a-z0-9][a-z0-9_\-]*\z/i : /\A[a-z][a-z0-9_\-]*\z/i } # end # - # Note: use <tt>\A</tt> and <tt>\Z</tt> to match the start and end of the + # Note: use <tt>\A</tt> and <tt>\z</tt> to match the start and end of the # string, <tt>^</tt> and <tt>$</tt> match the start/end of a line. # # Due to frequent misuse of <tt>^</tt> and <tt>$</tt>, you need to pass diff --git a/activemodel/lib/active_model/validations/length.rb b/activemodel/lib/active_model/validations/length.rb index a96b30cadd..060919fac3 100644 --- a/activemodel/lib/active_model/validations/length.rb +++ b/activemodel/lib/active_model/validations/length.rb @@ -1,3 +1,5 @@ +require "active_support/core_ext/string/strip" + module ActiveModel # == Active \Model Length Validator @@ -18,6 +20,27 @@ module ActiveModel options[:minimum] = 1 end + if options[:tokenizer] + ActiveSupport::Deprecation.warn(<<-EOS.strip_heredoc) + The `:tokenizer` option is deprecated, and will be removed in Rails 5.1. + You can achieve the same functionality be defining an instance method + with the value that you want to validate the length of. For example, + + validates_length_of :essay, minimum: 100, + tokenizer: ->(str) { str.scan(/\w+/) } + + should be written as + + validates_length_of :words_in_essay, minimum: 100 + + private + + def words_in_essay + essay.scan(/\w+/) + end + EOS + end + super end @@ -38,7 +61,7 @@ module ActiveModel end def validate_each(record, attribute, value) - value = tokenize(value) + value = tokenize(record, value) value_length = value.respond_to?(:length) ? value.length : value.to_s.length errors_options = options.except(*RESERVED_OPTIONS) @@ -59,10 +82,14 @@ module ActiveModel end private - - def tokenize(value) - if options[:tokenizer] && value.kind_of?(String) - options[:tokenizer].call(value) + def tokenize(record, value) + tokenizer = options[:tokenizer] + if tokenizer && value.kind_of?(String) + if tokenizer.kind_of?(Proc) + tokenizer.call(value) + elsif record.respond_to?(tokenizer) + record.send(tokenizer, value) + end end || value end @@ -84,8 +111,13 @@ module ActiveModel # validates_length_of :user_name, within: 6..20, too_long: 'pick a shorter name', too_short: 'pick a longer name' # validates_length_of :zip_code, minimum: 5, too_short: 'please enter at least 5 characters' # validates_length_of :smurf_leader, is: 4, message: "papa is spelled with 4 characters... don't play me." - # validates_length_of :essay, minimum: 100, too_short: 'Your essay must be at least 100 words.', - # tokenizer: ->(str) { str.scan(/\w+/) } + # validates_length_of :words_in_essay, minimum: 100, too_short: 'Your essay must be at least 100 words.' + # + # private + # + # def words_in_essay + # essay.scan(/\w+/) + # end # end # # Configuration options: @@ -108,10 +140,6 @@ module ActiveModel # * <tt>:message</tt> - The error message to use for a <tt>:minimum</tt>, # <tt>:maximum</tt>, or <tt>:is</tt> violation. An alias of the appropriate # <tt>too_long</tt>/<tt>too_short</tt>/<tt>wrong_length</tt> message. - # * <tt>:tokenizer</tt> - Specifies how to split up the attribute string. - # (e.g. <tt>tokenizer: ->(str) { str.scan(/\w+/) }</tt> to count words - # as in above example). Defaults to <tt>->(value) { value.split(//) }</tt> - # which counts individual characters. # # There is also a list of default options supported by every validator: # +:if+, +:unless+, +:on+ and +:strict+. |