Merge pull request #2859 from albarnaz/instagram_pattern

Instagram pattern

app/models/enterprise.rb

@@ -80,6 +80,8 @@ class Enterprise < ActiveRecord::Base
   before_validation :set_unused_address_fields
   after_validation :geocode_address
 
+  validates :instagram, format: /\A@[a-zA-Z0-9._]{1,30}\z/, allow_blank: true
+
   after_touch :touch_distributors
   after_create :set_default_contact
   after_create :relate_to_owners_enterprises
@@ -330,6 +332,10 @@ class Enterprise < ActiveRecord::Base
     abn.present?
   end
 
+  def instagram=(value)
+    write_attribute(:instagram, value.try(:gsub, instagram_regex, '@\1'))
+  end
+
   protected
 
   def devise_mailer
@@ -338,6 +344,10 @@ class Enterprise < ActiveRecord::Base
 
   private
 
+  def instagram_regex
+    %r{\A(?:https?://)?(?:www\.)?instagram\.com/([a-zA-Z0-9._]{1,30})/?\z}
+  end
+
   def name_is_unique
     dups = Enterprise.where(name: name)
     dups = dups.where('id != ?', id) unless new_record?

spec/models/enterprise_spec.rb

@@ -147,6 +147,70 @@ describe Enterprise do
       it "sets the enterprise contact to the owner by default" do
         enterprise.contact.should eq enterprise.owner
       end
+
+      context "prevent an wrong instagram link pattern" do
+        it "expects to be invalid the instagram attribute @my-user" do
+          e = build(:enterprise, instagram: '@my-user')
+          expect(e).to_not be_valid
+        end
+
+        it "expects to be invalid the instagram attribute https://facebook.com/user" do
+          e = build(:enterprise, instagram: 'https://facebook.com/user')
+          expect(e).to_not be_valid
+        end
+
+        it "expects to be invalid the instagram attribute tagram.com/user" do
+          e = build(:enterprise, instagram: 'tagram.com/user')
+          expect(e).to_not be_valid
+        end
+
+        it "expects to be invalid the instagram attribute https://instagram.com/user/preferences" do
+          e = build(:enterprise, instagram: 'https://instagram.com/user/preferences')
+          expect(e).to_not be_valid
+        end
+      end
+
+      context "accepted pattern" do
+        it "expects to be valid empty instagram attribute" do
+          e = build(:enterprise)
+          expect(e).to be_valid
+        end
+
+        it "expects be valid the instagram attribute @user" do
+          e = build(:enterprise, instagram: '@user')
+          expect(e).to be_valid
+        end
+
+        it "expects be valid the instagram attribute @my_www5.example" do
+          e = build(:enterprise, instagram: '@my_www5.example')
+          expect(e).to be_valid
+        end
+
+        it "expects be valid the instagram attribute http://instagram.com/user" do
+          e = build(:enterprise, instagram: 'http://instagram.com/user')
+          expect(e).to be_valid
+        end
+
+        it "expects be valid the instagram attribute https://instagram.com/user/" do
+          e = build(:enterprise, instagram: 'https://instagram.com/user/')
+          expect(e).to be_valid
+        end
+
+        it "expects be valid the instagram attribute https://www.instagram.com/user" do
+          e = build(:enterprise, instagram: 'https://www.instagram.com/user')
+          expect(e).to be_valid
+        end
+
+        it "expects be valid the instagram attribute instagram.com/user" do
+          e = build(:enterprise, instagram: 'instagram.com/user')
+          expect(e).to be_valid
+        end
+
+        it "renders the expected pattern" do
+          e = build(:enterprise, instagram: 'instagram.com/user')
+          expect(e.instagram).to eq('@user')
+        end
+      end
     end
 
     describe "preferred_shopfront_taxon_order" do