Add Mobile Phone validation to SpeakerProfile

Gemfile

@@ -21,6 +21,9 @@ gem 'devise-i18n'
 
 gem 'simple_form'
 
+# Phone validation
+gem 'phony_rails'
+
 group :development do
   gem 'spring'
   gem 'spring-commands-rspec'

Gemfile.lock

@@ -47,6 +47,9 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.7.1)
+    countries (0.9.3)
+      currencies (~> 0.4.2)
+    currencies (0.4.2)
     devise (3.2.4)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -99,6 +102,11 @@ GEM
       mini_portile (= 0.6.0)
     orm_adapter (0.5.0)
     pg (0.17.1)
+    phony (2.2.14)
+    phony_rails (0.6.1)
+      activesupport (>= 3.0)
+      countries (>= 0.8.2)
+      phony (~> 2.1)
     polyglot (0.3.5)
     pry (0.10.0)
       coderay (~> 1.1.0)
@@ -221,6 +229,7 @@ DEPENDENCIES
   guard-rspec
   jquery-rails
   pg
+  phony_rails
   rails (= 4.1.4)
   rails-erd
   rails-i18n

app/models/speaker_profile.rb

@@ -4,6 +4,8 @@ class SpeakerProfile < ActiveRecord::Base
   validates :first_name, presence: true
   validates :last_name, presence: true
   validates :photo_url, presence: true
-  validates :mobile_phone, presence: true
+  validates :mobile_phone, phony_plausible: true, presence: true
   validates :biography, presence: true
+
+  phony_normalize :mobile_phone, default_country_code: 'BG'
 end

config/locales/bg.yml

@@ -21,3 +21,6 @@
 
 bg:
   hello: "Здравей, свят"
+  errors:
+    messages:
+      improbable_phone: 'не е валиден телефонен номер'

spec/models/speaker_profile_spec.rb

@@ -13,8 +13,23 @@ RSpec.describe SpeakerProfile, :type => :model do
     expect(build(:speaker_profile, photo_url: nil)).to have_error_on :photo_url
   end
 
-  it 'is invalid without a mobile phone' do
-    expect(build(:speaker_profile, mobile_phone: nil)).to have_error_on :mobile_phone
+  describe 'mobile_phone' do
+    it 'must be present' do
+      expect(build(:speaker_profile, mobile_phone: nil)).to have_error_on :mobile_phone
+    end
+
+    it 'must be a valid phone number' do
+      expect(build(:speaker_profile, mobile_phone: 'abc')).to have_error_on :mobile_phone
+    end
+
+    it 'is stored in a normalized form' do
+      speaker_profile = create :speaker_profile, mobile_phone: '0883444555'
+      expect(speaker_profile.mobile_phone).to eq '359883444555'
+
+      speaker_profile.mobile_phone = '+1883444555'
+      speaker_profile.save
+      expect(speaker_profile.mobile_phone).to eq '1883444555'
+    end
   end
 
   it 'is invalid without a bio' do