event based table join system

app/models/list.rb

@@ -148,6 +148,51 @@ class List
     end
   end
 
+  def approve_join_request_for_user!(user)
+    if join_requests.include?(user.id)
+      join_requests.delete(user.id)
+      user.active_list_id = self.id 
+      add_user(user)
+      user.save
+      self.is_dirty
+      binding.pry
+      if save
+        broadcast_user user.id, 'join_request_approved'
+      end
+    end
+  end
+
+  def unlink_user(user)
+    changed = join_requests.delete(user.id)
+    changed ||= user_ids.delete(user.id)
+    if user.active_list_id == id
+      user.active_list_id = nil
+      user.save
+    end
+    save if changed
+  end
+
+  def send_table_join_request_for_user!(requester)
+    unless join_requests.include?(requester.id)
+      self.join_requests << requester.id
+      self.is_dirty
+      if save
+        for user in users
+          broadcast_user user.id, 'user_join_request', list_id: id, user_email: requester.email, user_id: requester.id
+        end
+      end
+    end
+  end
+
+  def reject_join_request_for_user!(user_id)
+    if join_requests.include?(user_id)
+      join_requests.delete(user_id)
+      self.is_dirty
+      if save
+        broadcast_user user_id, 'join_request_rejected'
+      end
+    end
+  end
 
   def set_price
     list_total = 0.0