diff options
Diffstat (limited to 'activemodel/lib/active_model/errors.rb')
| -rw-r--r-- | activemodel/lib/active_model/errors.rb | 105 |
1 files changed, 61 insertions, 44 deletions
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb index 963e52bff3..55687cb3c7 100644 --- a/activemodel/lib/active_model/errors.rb +++ b/activemodel/lib/active_model/errors.rb @@ -7,12 +7,11 @@ module ActiveModel # == Active \Model \Errors # # Provides a modified +Hash+ that you can include in your object - # for handling error messages and interacting with Action Pack helpers. + # for handling error messages and interacting with Action View helpers. # # A minimal implementation could be: # # class Person - # # # Required dependency for ActiveModel::Errors # extend ActiveModel::Naming # @@ -24,7 +23,7 @@ module ActiveModel # attr_reader :errors # # def validate! - # errors.add(:name, "can not be nil") if name == nil + # errors.add(:name, "cannot be nil") if name.nil? # end # # # The following methods are needed to be minimally implemented @@ -40,7 +39,6 @@ module ActiveModel # def Person.lookup_ancestors # [self] # end - # # end # # The last three methods are required in your object for Errors to be @@ -52,9 +50,9 @@ module ActiveModel # # The above allows you to do: # - # p = Person.new - # person.validate! # => ["can not be nil"] - # person.errors.full_messages # => ["name can not be nil"] + # person = Person.new + # person.validate! # => ["cannot be nil"] + # person.errors.full_messages # => ["name cannot be nil"] # # etc.. class Errors include Enumerable @@ -82,7 +80,7 @@ module ActiveModel # Clear the error messages. # - # person.errors.full_messages # => ["name can not be nil"] + # person.errors.full_messages # => ["name cannot be nil"] # person.errors.clear # person.errors.full_messages # => [] def clear @@ -92,19 +90,21 @@ module ActiveModel # Returns +true+ if the error messages include an error for the given key # +attribute+, +false+ otherwise. # - # person.errors.messages # => {:name=>["can not be nil"]} + # person.errors.messages # => {:name=>["cannot be nil"]} # person.errors.include?(:name) # => true # person.errors.include?(:age) # => false def include?(attribute) - (v = messages[attribute]) && v.any? + messages[attribute].present? end # aliases include? alias :has_key? :include? + # aliases include? + alias :key? :include? # Get messages for +key+. # - # person.errors.messages # => {:name=>["can not be nil"]} - # person.errors.get(:name) # => ["can not be nil"] + # person.errors.messages # => {:name=>["cannot be nil"]} + # person.errors.get(:name) # => ["cannot be nil"] # person.errors.get(:age) # => nil def get(key) messages[key] @@ -112,7 +112,7 @@ module ActiveModel # Set messages for +key+ to +value+. # - # person.errors.get(:name) # => ["can not be nil"] + # person.errors.get(:name) # => ["cannot be nil"] # person.errors.set(:name, ["can't be nil"]) # person.errors.get(:name) # => ["can't be nil"] def set(key, value) @@ -121,8 +121,8 @@ module ActiveModel # Delete messages for +key+. Returns the deleted messages. # - # person.errors.get(:name) # => ["can not be nil"] - # person.errors.delete(:name) # => ["can not be nil"] + # person.errors.get(:name) # => ["cannot be nil"] + # person.errors.delete(:name) # => ["cannot be nil"] # person.errors.get(:name) # => nil def delete(key) messages.delete(key) @@ -131,8 +131,8 @@ module ActiveModel # When passed a symbol or a name of a method, returns an array of errors # for the method. # - # person.errors[:name] # => ["can not be nil"] - # person.errors['name'] # => ["can not be nil"] + # person.errors[:name] # => ["cannot be nil"] + # person.errors['name'] # => ["cannot be nil"] def [](attribute) get(attribute.to_sym) || set(attribute.to_sym, []) end @@ -177,15 +177,15 @@ module ActiveModel # Returns all message values. # - # person.errors.messages # => {:name=>["can not be nil", "must be specified"]} - # person.errors.values # => [["can not be nil", "must be specified"]] + # person.errors.messages # => {:name=>["cannot be nil", "must be specified"]} + # person.errors.values # => [["cannot be nil", "must be specified"]] def values messages.values end # Returns all message keys. # - # person.errors.messages # => {:name=>["can not be nil", "must be specified"]} + # person.errors.messages # => {:name=>["cannot be nil", "must be specified"]} # person.errors.keys # => [:name] def keys messages.keys @@ -213,7 +213,7 @@ module ActiveModel # Returns +true+ if no errors are found, +false+ otherwise. # If the error message is a string it can be empty. # - # person.errors.full_messages # => ["name can not be nil"] + # person.errors.full_messages # => ["name cannot be nil"] # person.errors.empty? # => false def empty? all? { |k, v| v && v.empty? && !v.is_a?(String) } @@ -233,15 +233,15 @@ module ActiveModel # # <error>name must be specified</error> # # </errors> def to_xml(options={}) - to_a.to_xml({ :root => "errors", :skip_types => true }.merge!(options)) + to_a.to_xml({ root: "errors", skip_types: true }.merge!(options)) end # Returns a Hash that can be used as the JSON representation for this # object. You can pass the <tt>:full_messages</tt> option. This determines # if the json object should contain full messages or not (false by default). # - # person.as_json # => {:name=>["can not be nil"]} - # person.as_json(full_messages: true) # => {:name=>["name can not be nil"]} + # person.errors.as_json # => {:name=>["cannot be nil"]} + # person.errors.as_json(full_messages: true) # => {:name=>["name cannot be nil"]} def as_json(options=nil) to_hash(options && options[:full_messages]) end @@ -249,15 +249,13 @@ module ActiveModel # Returns a Hash of attributes with their error messages. If +full_messages+ # is +true+, it will contain full messages (see +full_message+). # - # person.to_hash # => {:name=>["can not be nil"]} - # person.to_hash(true) # => {:name=>["name can not be nil"]} + # person.errors.to_hash # => {:name=>["cannot be nil"]} + # person.errors.to_hash(true) # => {:name=>["name cannot be nil"]} def to_hash(full_messages = false) if full_messages - messages = {} - self.messages.each do |attribute, array| + self.messages.each_with_object({}) do |(attribute, array), messages| messages[attribute] = array.map { |message| full_message(attribute, message) } end - messages else self.messages.dup end @@ -281,17 +279,24 @@ module ActiveModel # If +message+ is a proc, it will be called, allowing for things like # <tt>Time.now</tt> to be used within an error. # - # If the <tt>:strict</tt> option is set to true will raise + # If the <tt>:strict</tt> option is set to +true+, it will raise # ActiveModel::StrictValidationFailed instead of adding the error. # <tt>:strict</tt> option can also be set to any other exception. # - # person.errors.add(:name, nil, strict: true) + # person.errors.add(:name, :invalid, strict: true) # # => ActiveModel::StrictValidationFailed: name is invalid - # person.errors.add(:name, nil, strict: NameIsInvalid) + # person.errors.add(:name, :invalid, strict: NameIsInvalid) # # => NameIsInvalid: name is invalid # # person.errors.messages # => {} - def add(attribute, message = nil, options = {}) + # + # +attribute+ should be set to <tt>:base</tt> if the error is not + # directly associated with a single attribute. + # + # person.errors.add(:base, "either name or email must be present") + # person.errors.messages + # # => {:base=>["either name or email must be present"]} + def add(attribute, message = :invalid, options = {}) message = normalize_message(attribute, message, options) if exception = options[:strict] exception = ActiveModel::StrictValidationFailed if exception == true @@ -333,7 +338,7 @@ module ActiveModel # # person.errors.add :name, :blank # person.errors.added? :name, :blank # => true - def added?(attribute, message = nil, options = {}) + def added?(attribute, message = :invalid, options = {}) message = normalize_message(attribute, message, options) self[attribute].include? message end @@ -352,17 +357,31 @@ module ActiveModel map { |attribute, message| full_message(attribute, message) } end + # Returns all the full error messages for a given attribute in an array. + # + # class Person + # validates_presence_of :name, :email + # validates_length_of :name, in: 5..30 + # end + # + # person = Person.create() + # person.errors.full_messages_for(:name) + # # => ["Name is too short (minimum is 5 characters)", "Name can't be blank"] + def full_messages_for(attribute) + (get(attribute) || []).map { |message| full_message(attribute, message) } + end + # Returns a full message for a given attribute. # # person.errors.full_message(:name, 'is invalid') # => "Name is invalid" def full_message(attribute, message) return message if attribute == :base attr_name = attribute.to_s.tr('.', '_').humanize - attr_name = @base.class.human_attribute_name(attribute, :default => attr_name) + attr_name = @base.class.human_attribute_name(attribute, default: attr_name) I18n.t(:"errors.format", { - :default => "%{attribute} %{message}", - :attribute => attr_name, - :message => message + default: "%{attribute} %{message}", + attribute: attr_name, + message: message }) end @@ -414,10 +433,10 @@ module ActiveModel value = (attribute != :base ? @base.send(:read_attribute_for_validation, attribute) : nil) options = { - :default => defaults, - :model => @base.class.model_name.human, - :attribute => @base.class.human_attribute_name(attribute), - :value => value + default: defaults, + model: @base.model_name.human, + attribute: @base.class.human_attribute_name(attribute), + value: value }.merge!(options) I18n.translate(key, options) @@ -425,8 +444,6 @@ module ActiveModel private def normalize_message(attribute, message, options) - message ||= :invalid - case message when Symbol generate_message(attribute, message, options.except(*CALLBACKS_OPTIONS)) |