diff options
Diffstat (limited to 'activemodel/lib/active_model/errors.rb')
| -rw-r--r-- | activemodel/lib/active_model/errors.rb | 123 |
1 files changed, 74 insertions, 49 deletions
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb index cf7551e4f4..a809c72ccd 100644 --- a/activemodel/lib/active_model/errors.rb +++ b/activemodel/lib/active_model/errors.rb @@ -2,12 +2,13 @@ require 'active_support/core_ext/array/conversions' require 'active_support/core_ext/string/inflections' +require 'active_support/core_ext/object/deep_dup' 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: # @@ -23,7 +24,7 @@ module ActiveModel # attr_reader :errors # # def validate! - # errors.add(:name, "can not be nil") if name == nil + # errors.add(:name, :blank, message: "cannot be nil") if name.nil? # end # # # The following methods are needed to be minimally implemented @@ -51,15 +52,16 @@ module ActiveModel # The above allows you to do: # # person = Person.new - # person.validate! # => ["can not be nil"] - # person.errors.full_messages # => ["name can not be nil"] + # person.validate! # => ["cannot be nil"] + # person.errors.full_messages # => ["name cannot be nil"] # # etc.. class Errors include Enumerable CALLBACKS_OPTIONS = [:if, :unless, :on, :allow_nil, :allow_blank, :strict] + MESSAGE_OPTIONS = [:message] - attr_reader :messages + attr_reader :messages, :details # Pass in the instance of the object that is using the errors object. # @@ -71,38 +73,43 @@ module ActiveModel def initialize(base) @base = base @messages = {} + @details = Hash.new { |details, attribute| details[attribute] = [] } end def initialize_dup(other) # :nodoc: @messages = other.messages.dup + @details = other.details.deep_dup super end # 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 messages.clear + details.clear end # 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] @@ -110,7 +117,7 @@ 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) @@ -119,18 +126,19 @@ 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) + details.delete(key) end # 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 @@ -147,12 +155,12 @@ module ActiveModel # Yields the attribute and the error for that attribute. If the attribute # has more than one error message, yields once for each error message. # - # person.errors.add(:name, "can't be blank") + # person.errors.add(:name, :blank, message: "can't be blank") # person.errors.each do |attribute, error| # # Will yield :name and "can't be blank" # end # - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.each do |attribute, error| # # Will yield :name and "can't be blank" # # then yield :name and "must be specified" @@ -165,9 +173,9 @@ module ActiveModel # Returns the number of error messages. # - # person.errors.add(:name, "can't be blank") + # person.errors.add(:name, :blank, message: "can't be blank") # person.errors.size # => 1 - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.size # => 2 def size values.flatten.size @@ -175,15 +183,15 @@ 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 @@ -191,8 +199,8 @@ module ActiveModel # Returns an array of error messages, with the attribute name included. # - # person.errors.add(:name, "can't be blank") - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :blank, message: "can't be blank") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.to_a # => ["name can't be blank", "name must be specified"] def to_a full_messages @@ -200,9 +208,9 @@ module ActiveModel # Returns the number of error messages. # - # person.errors.add(:name, "can't be blank") + # person.errors.add(:name, :blank, message: "can't be blank") # person.errors.count # => 1 - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.count # => 2 def count to_a.size @@ -211,7 +219,7 @@ 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) } @@ -221,8 +229,8 @@ module ActiveModel # Returns an xml formatted representation of the Errors hash. # - # person.errors.add(:name, "can't be blank") - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :blank, message: "can't be blank") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.to_xml # # => # # <?xml version=\"1.0\" encoding=\"UTF-8\"?> @@ -238,8 +246,8 @@ module ActiveModel # 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.errors.as_json # => {:name=>["can not be nil"]} - # person.errors.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 @@ -247,31 +255,32 @@ 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.errors.to_hash # => {:name=>["can not be nil"]} - # person.errors.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 end - # Adds +message+ to the error messages on +attribute+. More than one error - # can be added to the same +attribute+. If no +message+ is supplied, - # <tt>:invalid</tt> is assumed. + # Adds +message+ to the error messages and used validator type to +details+ on +attribute+. + # More than one error can be added to the same +attribute+. + # If no +message+ is supplied, <tt>:invalid</tt> is assumed. # # person.errors.add(:name) # # => ["is invalid"] - # person.errors.add(:name, 'must be implemented') + # person.errors.add(:name, :not_implemented, message: "must be implemented") # # => ["is invalid", "must be implemented"] # # person.errors.messages - # # => {:name=>["must be implemented", "is invalid"]} + # # => {:name=>["is invalid", "must be implemented"]} + # + # person.errors.details + # # => {:name=>[{error: :not_implemented}, {error: :invalid}]} # # If +message+ is a symbol, it will be translated using the appropriate # scope (see +generate_message+). @@ -279,23 +288,36 @@ 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 # => {} + # + # +attribute+ should be set to <tt>:base</tt> if the error is not + # directly associated with a single attribute. + # + # person.errors.add(:base, :name_or_email_blank, + # message: "either name or email must be present") + # person.errors.messages + # # => {:base=>["either name or email must be present"]} + # person.errors.details + # # => {:base=>[{error: :name_or_email_blank}]} def add(attribute, message = :invalid, options = {}) + message = message.call if message.respond_to?(:call) + detail = normalize_detail(attribute, message, options) message = normalize_message(attribute, message, options) if exception = options[:strict] exception = ActiveModel::StrictValidationFailed if exception == true raise exception, full_message(attribute, message) end + details[attribute.to_sym] << detail self[attribute] << message end @@ -332,6 +354,7 @@ module ActiveModel # person.errors.add :name, :blank # person.errors.added? :name, :blank # => true def added?(attribute, message = :invalid, options = {}) + message = message.call if message.respond_to?(:call) message = normalize_message(attribute, message, options) self[attribute].include? message end @@ -381,8 +404,8 @@ module ActiveModel # Translates an error message in its default scope # (<tt>activemodel.errors.messages</tt>). # - # Error messages are first looked up in <tt>models.MODEL.attributes.ATTRIBUTE.MESSAGE</tt>, - # if it's not there, it's looked up in <tt>models.MODEL.MESSAGE</tt> and if + # Error messages are first looked up in <tt>activemodel.errors.models.MODEL.attributes.ATTRIBUTE.MESSAGE</tt>, + # if it's not there, it's looked up in <tt>activemodel.errors.models.MODEL.MESSAGE</tt> and if # that is not there also, it returns the translation of the default message # (e.g. <tt>activemodel.errors.messages.MESSAGE</tt>). The translated model # name, translated attribute name and the value are available for @@ -427,7 +450,7 @@ module ActiveModel options = { default: defaults, - model: @base.class.model_name.human, + model: @base.model_name.human, attribute: @base.class.human_attribute_name(attribute), value: value }.merge!(options) @@ -440,12 +463,14 @@ module ActiveModel case message when Symbol generate_message(attribute, message, options.except(*CALLBACKS_OPTIONS)) - when Proc - message.call else message end end + + def normalize_detail(attribute, message, options) + { error: message }.merge(options.except(*CALLBACKS_OPTIONS + MESSAGE_OPTIONS)) + end end # Raised when a validation cannot be corrected by end users and are considered |