halfway through a spin

steveklabnik · steveklabnik · commit 0797b6dd8ef0 · 2010-12-12T10:56:39.000-05:00
diff --git a/models/discussion.rb b/models/discussion.rb
@@ -22,6 +22,8 @@ class Discussion
   #this is the slug for the url
   key :slug, String
 
+  key :subscribed_users, Array
+
   timestamps!
 
   before_save :make_slug
@@ -55,6 +57,10 @@ def forum_description
     end
   end
 
+  def create_subscription! email
+    subscribed_users << email
+  end
+
   private
   def make_slug
     self.slug = self.title.to_slug
diff --git a/models/reply.rb b/models/reply.rb
@@ -13,8 +13,14 @@ class Reply
   #we need to make sure we have an author
   validate_on_create :author_check
 
+  after_save :send_subscription_notice
+
   private
 
+  def send_subscription_notice
+    _root_document.create_subscription! :author_email
+  end
+
   def author_check
     if author.nil?
       errors.add(:author, "Someone must have written this reply!")
diff --git a/spec/discussion_spec.rb b/spec/discussion_spec.rb
@@ -0,0 +1,14 @@
+describe Discussion do
+  
+  describe "#create_subscription!" do
+
+    it "adds a new email to the subscription list" do
+      discussion = Factory(:discussion)
+      discussion.subscribed_users.count.should == 0
+      discussion.create_subscription! "somebody@example.com"
+      discussion.subscribed_users.count.should == 1
+    end
+
+  end
+
+end
diff --git a/spec/reply_spec.rb b/spec/reply_spec.rb
@@ -0,0 +1,15 @@
+describe Reply do
+
+  describe "subscriptions" do
+    it "adds one to its Discussion upon creation" do
+      email = "someone@example.com"
+      @discussion = Factory(:discussion)
+      @discussion.should_receive(:create_subscription!)
+      @discussion.replies << Factory(:reply, :author_email => email)
+      @discussion.save
+    end
+
+    it "triggers an email to others upon creation"
+  end
+
+end
