index for suggestions, only load when needed

app/index.rb

@@ -4,8 +4,6 @@ get '/?' do
 
     redirect '/dashboard' if current_site.is_education
 
-    @suggestions = current_site.suggestions
-
     @page = params[:page].to_i
     @page = 1 if @page == 0
 

migrations/113_site_suggestions_index.rb

@@ -0,0 +1,9 @@
+Sequel.migration do
+  up {
+    DB.add_index :sites, [:follow_count, :updated_at, :views]
+  }
+
+  down {
+    DB.drop_index :sites, [:follow_count, :updated_at, :views]
+  }
+end

models/site.rb

@@ -1466,7 +1466,7 @@ class Site < Sequel::Model
   end
 
   def suggestions(limit=SUGGESTIONS_LIMIT, offset=0)
-    suggestions_dataset = Site.exclude(id: id).exclude(is_banned: true).exclude(is_nsfw: true).order(:views.desc, :updated_at.desc)
+    suggestions_dataset = Site.exclude(id: id).exclude(is_deleted: true).exclude(is_nsfw: true).order(:views.desc, :updated_at.desc)
     suggestions = suggestions_dataset.where(tags: tags).limit(limit, offset).all
 
     return suggestions if suggestions.length == limit

views/home.erb

@@ -48,7 +48,7 @@
         <% if site.followings_dataset.count == 0 %>
           <% if !@events.empty? %><h2>Sites to Follow</h2><% end %>
           <ul class="row website-Gallery content int-Gall suggestions">
-          <% @suggestions.each do |suggested_site| %>
+          <% current_site.suggestions.each do |suggested_site| %>
             <li>
               <a href="<%= suggested_site.uri %>" class="neo-Screen-Shot" title="<%= suggested_site.title %>">
                 <span class="img-Holder" style="background:url(<%= suggested_site.screenshot_url('index.html', '540x405') %>) no-repeat;">