Make collection thumbnails show in the views

This commit will make the collection thumbnails show up in the views
such as in the dashboard list of collections and also in the catalog
search results.  The gitignore was updated to ignore the path where the
thumbnails are stored.

.gitignore

@@ -57,3 +57,4 @@ docker-compose.override.yml
 *~undo-tree~
 .DS_Store
 /bundler.d/
+/uploads

app/assets/stylesheets/hyku.scss

@@ -649,3 +649,26 @@ span.constraint-value p, .facet-values p {
 tr[data-feature="use-iiif-print"] {
   display: none;
 }
+
+// collection branding thumbnail
+div.branding-thumbnail-row {
+  border-top: solid 1px #dddddd;
+  padding-top: 10px;
+}
+
+input.branding-thumbnail-input {
+  width: 250px;
+}
+
+div.branding-thumbnail-input {
+  text-align: right;
+}
+
+button.branding-thumbnail-remove,
+button.branding-thumbnail-remove:hover {
+  background-color: #ffffff;
+  border-color: #ffffff;
+  color: $brand-danger;
+  font-weight: normal;
+  text-decoration: underline;
+}

app/helpers/application_helper.rb

@@ -12,7 +12,8 @@ def group_navigation_presenter
     @group_navigation_presenter ||= Hyku::Admin::Group::NavigationPresenter.new(params:)
   end
 
-  def collection_thumbnail(_document, _image_options = {}, _url_options = {})
+  def collection_thumbnail(document, _image_options = {}, _url_options = {})
+    return image_tag(document['thumbnail_path_ss']) if document['thumbnail_path_ss'].present?
     return super if Site.instance.default_collection_image.blank?
 
     image_tag(Site.instance.default_collection_image&.url)

app/services/hyrax/thumbnail_path_service_decorator.rb

@@ -4,6 +4,15 @@
 
 module Hyrax
   module ThumbnailPathServiceDecorator
+    def call(object)
+      return super unless object.collection?
+
+      collection_thumbnail = CollectionBrandingInfo.where(collection_id: object.id.to_s, role: "thumbnail").first
+      return collection_thumbnail.local_path.gsub(Rails.public_path.to_s, '') if collection_thumbnail
+
+      default_image
+    end
+
     def default_image
       Site.instance.default_work_image&.url || super
     end

app/views/hyrax/dashboard/collections/_form_branding.html.erb

@@ -164,6 +164,9 @@
     </div> <!-- end row branding-logo-list -->
   </div> <!-- end fileuploadlogo -->
 
+  <label><strong><%= t('.thumbnail.label') %></strong></label>
+  <p><%= t('.thumbnail.description') %></p>
+
   <div id="fileuploadthumbnail">
     <!-- Redirect browsers with JavaScript disabled to the origin page -->
     <noscript><input type="hidden" name="redirect" value="<%= main_app.root_path %>" /></noscript>
@@ -203,7 +206,7 @@
                   <i><%= image_tag(f.object.thumbnail_info[:relative_path],
                        height: "36",
                        alt: f.object.thumbnail_info[:alttext].presence || f.object.thumbnail_info[:file]) %></i>
-                  <span><%= f.object.thumbnail_info[:file] %></span>                  
+                  <span><%= f.object.thumbnail_info[:file] %></span>
                   <input type="hidden" name="thumbnail_unchanged" value="true" />
                 </span>
               </div>
@@ -236,5 +239,5 @@
       </div> <!-- end row branding-thumbnail-list -->
     </div> <!-- end row branding-thumbnail-list -->
   </div> <!-- fileuploadthumbnail -->
-  
+
 </div> <!-- end set-access-controls -->