Revert "Revert "Registry 569""

This reverts commit 4786dbb

lib/validators/e164_validator.rb

@@ -0,0 +1,12 @@
+class E164Validator < ActiveModel::EachValidator
+  def validate_each(record, attribute, _value)
+    length_validator = ActiveModel::Validations::
+            LengthValidator.new(maximum: 17, attributes: attribute)
+    length_validator.validate(record)
+
+    format_validator = ActiveModel::Validations::
+            FormatValidator.new(with: /\+[0-9]{1,3}\.[0-9]{1,14}?/,
+                                attributes: attribute)
+    format_validator.validate(record)
+  end
+end

lib/validators/iso31661_alpha2_validator.rb

@@ -0,0 +1,11 @@
+class Iso31661Alpha2Validator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    record.errors.add(attribute, :invalid_iso31661_alpha2) unless valid_country_code?(value)
+  end
+
+  private
+
+  def valid_country_code?(country_code)
+    Country.new(country_code)
+  end
+end

lib/validators/iso8601_validator.rb

@@ -0,0 +1,13 @@
+class Iso8601Validator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    if options[:date_only]
+      record.errors.add(attribute, :invalid_iso8601_date) unless value =~ date_format
+    end
+  end
+
+  private
+
+  def date_format
+    /\d{4}-\d{2}-\d{2}/
+  end
+end

lib/validators/phone_validator.rb

@@ -2,11 +2,11 @@ class PhoneValidator < ActiveModel::EachValidator
   def validate_each(record, attribute, value)
     return if record.errors[:phone].any?
 
-    splitted_phone = value.split('.')
-    country_code = splitted_phone.first
-    phone_number = splitted_phone.second
+    phone_parts = value.split('.')
+    country_code = phone_parts.first
+    subscriber_no = phone_parts.second
 
-    if zeros_only?(country_code) || zeros_only?(phone_number)
+    if zeros_only?(country_code) || zeros_only?(subscriber_no)
       record.errors.add(attribute, :invalid)
     end
   end