Validate contact phone for zeros

#386

lib/validators/phone_validator.rb

@@ -0,0 +1,19 @@
+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
+
+    if zeros_only?(country_code) || zeros_only?(phone_number)
+      record.errors.add(attribute, :invalid)
+    end
+  end
+
+  private
+
+  def zeros_only?(value)
+    value.delete('0+').empty?
+  end
+end