Fix error, submission, hints and help views

app/views/application/_breadcrumbs.html.slim

@@ -1,6 +1,6 @@
 - if current_user.try(:internal_user?)
   ul.breadcrumb
-    - if model = Kernel.const_get(controller_name.classify) rescue nil
+    - if model = Kernel.const_get(controller_path.classify) rescue nil
       - object = model.find_by(id: params[:id])
       - if model.try(:nested_resource?)
         li = model.model_name.human(count: 2)

app/views/application/_navigation.html.slim

@@ -10,7 +10,7 @@
           li = link_to(t('breadcrumbs.statistics.show'), statistics_path)
           li.divider
         = render('navigation_submenu', title: t('activerecord.models.exercise.other'),
-                models: [Exercise, ExerciseCollection, ProxyExercise, Tag], link: exercises_path, cached: true)
+                models: [Exercise, ExerciseCollection, ProxyExercise, Tag, Submission], link: exercises_path, cached: true)
         = render('navigation_submenu', title: t('navigation.sections.users'), models: [InternalUser, ExternalUser],
                 cached: true)
         = render('navigation_collection_link', model: ExecutionEnvironment, cached: true)

app/views/code_ocean/errors/index.html.slim

@@ -1,10 +1,10 @@
-h1 = ::Error.model_name.human(count: 2)
+h1 = CodeOcean::Error.model_name.human(count: 2)
 
 .table-responsive
   table.table
     thead
       tr
-        th = t('.count')
+        th = t('errors.index.count')
         th = t('activerecord.attributes.error.message')
         th = t('shared.created_at')
         th = t('shared.actions')

app/views/code_ocean/errors/show.html.slim

@@ -1,4 +1,4 @@
-h1 = ::Error.model_name.human
+h1 = CodeOcean::Error.model_name.human
 
 = row(label: 'error.message', value: @error.message)
 = row(label: 'shared.created_at', value: l(@error.created_at, format: :short))

app/views/shared/_edit_button.html.slim

@@ -1 +1,3 @@
-= link_to(t('shared.edit'), local_assigns.fetch(:path, send(:"edit_#{object.class.name.underscore}_path", object)), class: 'btn btn-default pull-right')
+// default value for fetch will always be evaluated even if it is not returned
+- link_target = local_assigns.fetch(:path, false) || send(:"edit_#{object.class.name.underscore}_path", object)
+= link_to(t('shared.edit'), link_target, class: 'btn btn-default pull-right')

app/views/shared/_new_button.html.slim

@@ -1,4 +1,6 @@
 - if policy(model).new?
-  a.btn.btn-success href=local_assigns.fetch(:path, send(:"new_#{model.model_name.singular}_path"))
+  // default value for fetch will always be evaluated even if it is not returned
+  - href_target = local_assigns.fetch(:path, false) || send(:"new_#{model.model_name.singular}_path")
+  a.btn.btn-success href=href_target
     i.fa.fa-plus
     = t('shared.new_model', model: model.model_name.human)