fix news feed display, notifications, fix tag create

app.rb

@@ -248,6 +248,8 @@ get '/?' do
     @page_count = events_dataset.page_count || 1
     @events = events_dataset.all
 
+    current_site.events_dataset.update notification_seen: true
+
     halt erb :'home', locals: {site: current_site}
   end
 
@@ -362,7 +364,7 @@ post '/tags/add' do
   current_site.new_tags_string = params[:tags]
 
   if current_site.valid?
-    current_site.save_changes
+    current_site.save_tags
   else
     flash[:errors] = current_site.errors.first
   end

models/site.rb

@@ -244,6 +244,14 @@ class Site < Sequel::Model
     super val.downcase
   end
 
+  def unseen_notifications_dataset
+    events_dataset.where notification_seen: false
+  end
+
+  def unseen_notifications_count
+    @unseen_notifications_count ||= unseen_notifications_dataset.count
+  end
+
   def valid_password?(plaintext)
     valid = BCrypt::Password.new(owner.values[:password]) == plaintext
 
@@ -590,6 +598,11 @@ class Site < Sequel::Model
   end
 
   def after_save
+    save_tags
+    super
+  end
+
+  def save_tags
     if @new_filtered_tags
       @new_filtered_tags.each do |new_tag_string|
         add_tag_name new_tag_string
@@ -597,7 +610,6 @@ class Site < Sequel::Model
       @new_filtered_tags = []
       @new_tags_string = nil
     end
-    super
   end
 
   def add_tag_name(name)

views/_header.erb

@@ -34,10 +34,24 @@
         </li>
       <% else %>
         <li class="dropdown">
-          <a href="#" data-toggle="dropdown" class="dropdown-toggle"><%= current_site.username %> <span class="info"><span class="notification-value">3</span><i class="fa fa-caret-down"></i></span></a>
+          <a href="#" data-toggle="dropdown" class="dropdown-toggle">
+            <%= current_site.username %> 
+            <span class="info">
+              <% if current_site.unseen_notifications_count > 0 %>
+                <span class="notification-value"><%= current_site.unseen_notifications_count %></span>
+              <% end %>
+              <i class="fa fa-caret-down"></i>
+            </span>
+          </a>
           <ul class="dropdown-menu">
             <li><a href="/site/<%= current_site.username %>">Profile</a></li>
-            <li><a href="/?activity=mine">Activity <span class="notification-value">3</span></a></li>
+            <li>
+              <a href="/?activity=mine">Activity 
+                <% if current_site.unseen_notifications_count > 0 %>
+                  <span class="notification-value"><%= current_site.unseen_notifications_count %></span>
+                <% end %>
+              </a>
+            </li>
             <li class="divider"></li>
             <li><a href="/dashboard">Edit Site</a></li>
             <li><a href="//<%= current_site.host %>" target="_blank">View Site</a></li>

views/home.erb

@@ -3,7 +3,7 @@
     <div class="col col-66">
       <h3>Your Feed</h3>
       <div class="feed-filter">
-        <% if current_site.followings_dataset.count > 0 %>
+        <% if !@events.empty? %>
         <a href="/" <% if params[:activity] != 'mine' %>class="selected"<% end %>>All Activity</a>
         &nbsp;&nbsp;
         <a href="/?activity=mine" <% if params[:activity] == 'mine' %>class="selected"<% end %>>
@@ -23,7 +23,7 @@
   <div class="content misc-page columns right-col">
     <div class="col-left">
       <div class="col col-66">
-        <% if current_site.followings_dataset.count > 0 %>
+        <% if !@events.empty? %>
           <%== erb :'_news', layout: false, locals: {site: current_site, events: @events} %>
         <% else %>
           <div class="welcome">