translations and whitespaces

app/assets/javascripts/exercises.js.erb

@@ -236,7 +236,6 @@ $(document).on('turbolinks:load', function() {
         $('#exercise_unpublished').prop('checked', true);
       }
     })
-
   };
 
   var observeExportButtons = function(){

app/controllers/exercises_controller.rb

@@ -141,7 +141,6 @@ class ExercisesController < ApplicationController
           exported: false
         }
       )
-
     }, status: 200
   end
 

app/models/code_ocean/file.rb

@@ -7,7 +7,6 @@ module CodeOcean
     def validate(record)
       existing_files = File.where(name: record.name, path: record.path, file_type_id: record.file_type_id,
                                   context_id: record.context_id, context_type: record.context_type).to_a
-
       unless existing_files.empty?
         if (not record.context.is_a?(Exercise)) || (record.context.new_record?)
           record.errors[:base] << 'Duplicate'

app/services/proforma_service/import.rb

@@ -55,8 +55,8 @@ module ProformaService
       end
 
       filenames.select { |f| f[/\.xml$/] }.any?
-    # rescue Zip::Error
-    # raise Proforma::InvalidZip
+    rescue Zip::Error
+      raise Proforma::InvalidZip
     end
   end
 end

app/views/exercises/_export_actions.html.slim

@@ -1,18 +1,18 @@
 - if error
     = button_tag type: 'button', class:'btn btn-primary pull-right export-button export-retry-button', data: {exercise_id: exercise.id} do
       i.fa.fa-refresh.confirm-icon
-      = ' Retry'
+      = t('exercises.export_codeharbor.buttons.retry')
 - else
   - unless exported
     - if update_right
       = button_tag type: 'button', class:'btn btn-primary pull-right export-action export-button', data: {exercise_id: exercise.id, export_type: 'export'} do
         i.fa.fa-check.confirm-icon
-        = ' Export'
+        = t('exercises.export_codeharbor.buttons.export')
     - else
       = button_tag type: 'button', class:'btn btn-primary pull-right export-action export-button', data: {exercise_id: exercise.id, export_type: 'create_new'} do
         i.fa.fa-check.confirm-icon
-        = ' Create new'
+        = t('exercises.export_codeharbor.buttons.create_new')
 
 = button_tag type: 'submit', class:'btn btn-secondary pull-right export-button', data: {dismiss: 'modal'} do
   i.fa.fa-remove.abort-icon
-  = exported ? ' Close' : ' Abort'
+  = exported ? t('exercises.export_codeharbor.buttons.close') : t('exercises.export_codeharbor.buttons.abort')

app/views/exercises/_export_dialogcontent.html.slim

@@ -1,5 +1,3 @@
 #export-exercise
   .export-message
-    = 'This should not be seen'
   .export-exercise-actions
-    = 'This neither'

app/views/exercises/_form.html.slim

@@ -11,7 +11,7 @@
     = f.pagedown :description, input_html: { preview: true, rows: 10 }
   .form-group
     = f.label(:execution_environment_id)
-    = f.collection_select(:execution_environment_id, @execution_environments, :id, :name, {include_blank: 'None'}, class: 'form-control')
+    = f.collection_select(:execution_environment_id, @execution_environments, :id, :name, {include_blank: t('exercises.form.none')}, class: 'form-control')
   /.form-group
     = f.label(:instructions)
     = f.hidden_field(:instructions)