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Rails Custom Error Messages


If the :strict option is set to true, it will raise ActiveModel::StrictValidationFailed instead of adding the error. :strict option can also be set to any other exception. share|improve this answer answered May 20 '11 at 14:38 Sergio Kozlov 185129 for this application, i am using rails 2.3.4 –umar May 26 '11 at 10:42 add a comment| If you just want the actual error message minus the field name, use the built-in each iterator instead: <% if object.errors.any? %>


    <% object.errors.each do |field, msg| %>
  • <%= person.errors.full_messages # => ["name cannot be nil"] person.errors.clear person.errors.full_messages # => [] Source: show | on GitHub # File activemodel/lib/active_model/errors.rb, line 85 def clear messages.clear end count() Link Returns the number this contact form

    More than one error can be added to the same attribute. class Person def initialize @errors = ActiveModel::Errors.new(self) end end Source: show | on GitHub # File activemodel/lib/active_model/errors.rb, line 72 def initialize(base) @base = base @messages = apply_default_array({}) @details = apply_default_array({}) end If you have a User model then you would access the validation errors in a given instance like so: @user = User.create[params[:user]] # create will automatically call validators if @user.errors.any? # person.errors.messages # => {:name=>["cannot be nil", "must be specified"]} person.errors.values # => [["cannot be nil", "must be specified"]] Source: show | on GitHub # File activemodel/lib/active_model/errors.rb, line 179 def values messages.values

    Rails Custom Error Messages

    person.errors.full_message(:name, 'is invalid') # => "Name is invalid" Source: show | on GitHub # File activemodel/lib/active_model/errors.rb, line 438 def full_message(attribute, message) return message if attribute == :base attr_name = attribute.to_s.tr('.', '_').humanize empty v. Measuring Information Content of unannotated terms in a corpus, avoiding -log(0) What is the practical duration of Prestidigitation? Can anyone advise me or point me in the right direction?

    person.errors.messages # => {:name=>["cannot be nil"]} person.errors.include?(:name) # => true person.errors.include?(:age) # => false Also aliased as: has_key? key = defaults.shift defaults = options.delete(:message) if options[:message] value = (attribute != :base ? @base.send(:read_attribute_for_validation, attribute) : nil) options = { default: defaults, model: @base.model_name.human, attribute: @base.class.human_attribute_name(attribute), value: value, object: @base person.errors.add(:name, "can't be blank") person.errors.size # => 1 person.errors.add(:name, "must be specified") person.errors.size # => 2 Source: show | on GitHub # File activemodel/lib/active_model/errors.rb, line 171 def size values.flatten.size end to_a() Activerecord Errors Full Messages Join them; it only takes a minute: Sign up Fully custom validation error message with Rails up vote 191 down vote favorite 108 Using Rails I'm trying to get an error

    include?(attribute) Link Returns true if the error messages include an error for the given key attribute, false otherwise. end # The following methods are needed to be minimally implemented def read_attribute_for_validation(attr) send(attr) end def self.human_attribute_name(attr, options = {}) attr end def self.lookup_ancestors [self] end end The last three methods share|improve this answer answered Oct 22 '15 at 23:35 Cruz Nunez 35928 add a comment| up vote 2 down vote If you want to list them all in a nice list initialize_dup key?

    If the attribute has more than one error message, yields once for each error message. Rails Error Message Without Field Name Validation messages can be set for a specific model+attribute, model, attribute, or globally. Source: show | on GitHub # File activemodel/lib/active_model/errors.rb, line 215 def empty? Not the answer you're looking for?

    Errors.add Rails

    asked 5 years ago viewed 50381 times active 2 months ago Blog Stack Overflow Podcast #92 - The Guerilla Guide to Interviewing Visit Chat Linked 2 Rails: best way to validate message is treated the same as for add. Rails Custom Error Messages model_name = self.object.class.name.downcase id_of_element = "error_#{model_name}_#{field_name}" target_elem_id = "#{model_name}_#{field_name}" class_name = 'signup-error alert alert-danger' error_declaration_class = 'has-signup-error' "

    "\ "#{self.object.errors[field_name].join(', ')}"\ "
    "\ "