diff options
Diffstat (limited to 'activerecord/lib/active_record/validations.rb')
-rwxr-xr-x | activerecord/lib/active_record/validations.rb | 66 |
1 files changed, 35 insertions, 31 deletions
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb index c4e370d017..2647fbba92 100755 --- a/activerecord/lib/active_record/validations.rb +++ b/activerecord/lib/active_record/validations.rb @@ -1,5 +1,5 @@ module ActiveRecord - # Raised by save! and create! when the record is invalid. Use the + # Raised by <tt>save!</tt> and <tt>create!</tt> when the record is invalid. Use the # +record+ method to retrieve the record which did not validate. # begin # complex_operation_that_calls_save!_internally @@ -52,7 +52,7 @@ module ActiveRecord # Adds an error to the base object instead of any particular attribute. This is used # to report errors that don't tie to any specific attribute, but rather to the object # as a whole. These error messages don't get prepended with any field name when iterating - # with each_full, so they should be complete sentences. + # with +each_full+, so they should be complete sentences. def add_to_base(msg) add(:base, msg) end @@ -97,7 +97,7 @@ module ActiveRecord !@errors[attribute.to_s].nil? end - # Returns nil, if no errors are associated with the specified +attribute+. + # Returns +nil+, if no errors are associated with the specified +attribute+. # Returns the error message, if one error is associated with the specified +attribute+. # Returns an array of error messages, if more than one error is associated with the specified +attribute+. # @@ -118,7 +118,7 @@ module ActiveRecord alias :[] :on - # Returns errors assigned to the base object through add_to_base according to the normal rules of on(attribute). + # Returns errors assigned to the base object through +add_to_base+ according to the normal rules of <tt>on(attribute)</tt>. def on_base on(:base) end @@ -131,15 +131,15 @@ module ActiveRecord # end # # company = Company.create(:address => '123 First St.') - # company.errors.each{|attr,msg| puts "#{attr} - #{msg}" } # => - # name - is too short (minimum is 5 characters) - # name - can't be blank - # address - can't be blank + # company.errors.each{|attr,msg| puts "#{attr} - #{msg}" } + # # => name - is too short (minimum is 5 characters) + # # name - can't be blank + # # address - can't be blank def each @errors.each_key { |attr| @errors[attr].each { |msg| yield attr, msg } } end - # Yields each full error message added. So Person.errors.add("first_name", "can't be empty") will be returned + # Yields each full error message added. So <tt>Person.errors.add("first_name", "can't be empty")</tt> will be returned # through iteration as "First name can't be empty". # # class Company < ActiveRecord::Base @@ -148,10 +148,10 @@ module ActiveRecord # end # # company = Company.create(:address => '123 First St.') - # company.errors.each_full{|msg| puts msg } # => - # Name is too short (minimum is 5 characters) - # Name can't be blank - # Address can't be blank + # company.errors.each_full{|msg| puts msg } + # # => Name is too short (minimum is 5 characters) + # # Name can't be blank + # # Address can't be blank def each_full full_messages.each { |msg| yield msg } end @@ -164,8 +164,8 @@ module ActiveRecord # end # # company = Company.create(:address => '123 First St.') - # company.errors.full_messages # => - # ["Name is too short (minimum is 5 characters)", "Name can't be blank", "Address can't be blank"] + # company.errors.full_messages + # # => ["Name is too short (minimum is 5 characters)", "Name can't be blank", "Address can't be blank"] def full_messages full_messages = [] @@ -209,13 +209,13 @@ module ActiveRecord # end # # company = Company.create(:address => '123 First St.') - # company.errors.to_xml # => - # <?xml version="1.0" encoding="UTF-8"?> - # <errors> - # <error>Name is too short (minimum is 5 characters)</error> - # <error>Name can't be blank</error> - # <error>Address can't be blank</error> - # </errors> + # company.errors.to_xml + # # => <?xml version="1.0" encoding="UTF-8"?> + # # <errors> + # # <error>Name is too short (minimum is 5 characters)</error> + # # <error>Name can't be blank</error> + # # <error>Address can't be blank</error> + # # </errors> def to_xml(options={}) options[:root] ||= "errors" options[:indent] ||= 2 @@ -261,7 +261,7 @@ module ActiveRecord # person.errors.on "phone_number" # => "has invalid format" # person.errors.each_full { |msg| puts msg } # # => "Last name can't be empty\n" + - # "Phone number has invalid format" + # # "Phone number has invalid format" # # person.attributes = { "last_name" => "Heinemeier", "phone_number" => "555-555" } # person.save # => true (and person is now saved in the database) @@ -300,7 +300,7 @@ module ActiveRecord :odd => 'odd?', :even => 'even?' }.freeze # Adds a validation method or block to the class. This is useful when - # overriding the +validate+ instance method becomes too unwieldly and + # overriding the +validate+ instance method becomes too unwieldy and # you're looking for more descriptive declaration of your validations. # # This can be done with a symbol pointing to a method: @@ -479,8 +479,9 @@ module ActiveRecord # validates_length_of :fax, :in => 7..32, :allow_nil => true # validates_length_of :phone, :in => 7..32, :allow_blank => true # validates_length_of :user_name, :within => 6..20, :too_long => "pick a shorter name", :too_short => "pick a longer name" - # validates_length_of :fav_bra_size, :minimum=>1, :too_short=>"please enter at least %d character" - # validates_length_of :smurf_leader, :is=>4, :message=>"papa is spelled with %d characters... don't play me." + # validates_length_of :fav_bra_size, :minimum => 1, :too_short => "please enter at least %d character" + # validates_length_of :smurf_leader, :is => 4, :message => "papa is spelled with %d characters... don't play me." + # validates_length_of :essay, :minimum => 100, :too_short => "Your essay must be at least %d words."), :tokenizer => lambda {|str| str.scan(/\w+/) } # end # # Configuration options: @@ -491,7 +492,6 @@ module ActiveRecord # * <tt>:in</tt> - A synonym(or alias) for <tt>:within</tt>. # * <tt>:allow_nil</tt> - Attribute may be +nil+; skip validation. # * <tt>:allow_blank</tt> - Attribute may be blank; skip validation. - # # * <tt>:too_long</tt> - The error message if the attribute goes over the maximum (default is: "is too long (maximum is %d characters)"). # * <tt>:too_short</tt> - The error message if the attribute goes under the minimum (default is: "is too short (min is %d characters)"). # * <tt>:wrong_length</tt> - The error message if using the <tt>:is</tt> method and the attribute is the wrong size (default is: "is the wrong length (should be %d characters)"). @@ -503,12 +503,16 @@ module ActiveRecord # * <tt>:unless</tt> - Specifies a method, proc or string to call to determine if the validation should # not occur (e.g. <tt>:unless => :skip_validation</tt>, or <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>). The # method, proc or string should return or evaluate to a true or false value. + # * <tt>:tokenizer</tt> - Specifies how to split up the attribute string. (e.g. <tt>:tokenizer => lambda {|str| str.scan(/\w+/)}</tt> to + # count words as in above example.) + # Defaults to <tt>lambda{ |value| value.split(//) }</tt> which counts individual characters. def validates_length_of(*attrs) # Merge given options with defaults. options = { :too_long => ActiveRecord::Errors.default_error_messages[:too_long], :too_short => ActiveRecord::Errors.default_error_messages[:too_short], - :wrong_length => ActiveRecord::Errors.default_error_messages[:wrong_length] + :wrong_length => ActiveRecord::Errors.default_error_messages[:wrong_length], + :tokenizer => lambda {|value| value.split(//)} }.merge(DEFAULT_VALIDATION_OPTIONS) options.update(attrs.extract_options!.symbolize_keys) @@ -535,7 +539,7 @@ module ActiveRecord too_long = options[:too_long] % option_value.end validates_each(attrs, options) do |record, attr, value| - value = value.split(//) if value.kind_of?(String) + value = options[:tokenizer].call(value) if value.kind_of?(String) if value.nil? or value.size < option_value.begin record.errors.add(attr, too_short) elsif value.size > option_value.end @@ -552,7 +556,7 @@ module ActiveRecord message = (options[:message] || options[message_options[option]]) % option_value validates_each(attrs, options) do |record, attr, value| - value = value.split(//) if value.kind_of?(String) + value = options[:tokenizer].call(value) if value.kind_of?(String) record.errors.add(attr, message) unless !value.nil? and value.size.method(validity_checks[option])[option_value] end end @@ -850,7 +854,7 @@ module ActiveRecord raw_value = raw_value.to_i else begin - raw_value = Kernel.Float(raw_value.to_s) + raw_value = Kernel.Float(raw_value) rescue ArgumentError, TypeError record.errors.add(attr_name, configuration[:message] || ActiveRecord::Errors.default_error_messages[:not_a_number]) next |