add followed collections to collections#index

app/controllers/page_collections_controller.rb

@@ -13,6 +13,8 @@ class PageCollectionsController < ApplicationController
     @network_collections = PageCollection.where(user_id: followed_user_ids, privacy: 'public')
 
     @random_collections = PageCollection.where(privacy: 'public').sample(9)
+
+    @followed_collections = current_user.followed_page_collections
   end
 
   # GET /page_collections/1

app/models/users/user.rb

@@ -75,6 +75,7 @@ class User < ApplicationRecord
     @published_in_page_collections ||= PageCollection.where(id: ids)
   end
   has_many :page_collection_followings,    dependent: :destroy
+  has_many :followed_page_collections,     through: :page_collection_followings, source: :page_collection
   has_many :page_collection_reports,       dependent: :destroy
 
   has_many :votes,                         dependent: :destroy

app/views/page_collections/index.html.erb

@@ -46,6 +46,36 @@
   </div>
 <% end %>
 
+<% if @followed_collections.any? %>
+  <div class="row">
+    <h1 class="center" style="font-size: 2em">
+      <i class="material-icons <%= PageCollection.color %>-text"><%= PageCollection.icon %></i>
+      Collections you follow
+    </h1>
+    <% @followed_collections.each do |collection| %>
+      <div class="col s12 m6 l4">
+        <%= link_to collection do %>
+          <div class="hoverable card <%= PageCollection.color %>" style="height: 250px">
+            <div class="card-image">
+              <%= image_tag collection.random_public_image, style: 'max-height: 250px;' %>
+              <span class="card-title bordered-text">
+                <%= collection.title %>
+                <br />
+                <small>
+                  <% collection.page_types.each do |icon| %>
+                    <% klass = icon.constantize %>
+                    <i class="material-icons left tooltipped tiny <%= klass.color %>-text" data-tooltip="<%= icon.pluralize %>"><%= klass.icon %></i>
+                  <% end %>
+                </small>
+              </span>
+            </div>
+          </div>
+        <% end %>
+      </div>
+    <% end %>
+  </div>
+<% end %>
+
 <% if @network_collections.any? %>
   <div class="row">
     <h1 class="center" style="font-size: 2em">