Fix reset of tasks

app/controllers/exercises_controller.rb

@@ -6,7 +6,7 @@ class ExercisesController < ApplicationController
 
   before_action :handle_file_uploads, only: [:create, :update]
   before_action :set_execution_environments, only: [:create, :edit, :new, :update]
-  before_action :set_exercise, only: MEMBER_ACTIONS + [:clone, :implement, :run, :statistics, :submit]
+  before_action :set_exercise, only: MEMBER_ACTIONS + [:clone, :implement, :run, :statistics, :submit, :reload]
   before_action :set_file_types, only: [:create, :edit, :new, :update]
   before_action :set_teams, only: [:create, :edit, :new, :update]
 
@@ -138,6 +138,10 @@ class ExercisesController < ApplicationController
   def show
   end
 
+  #we might want to think about auth here
+  def reload
+  end
+
   def statistics
   end
 

app/policies/exercise_policy.rb

@@ -12,12 +12,12 @@ class ExercisePolicy < AdminOrAuthorPolicy
     define_method(action) { admin? || author? || team_member? }
   end
 
-  [:implement?, :submit?].each do |action|
+  [:implement?, :submit?, :reload?].each do |action|
     define_method(action) { everyone }
   end
 
   def team_member?
-    @record.team.try(:members, []).include?(@user)
+    @record.team.try(:members, []).include?(@user) if @record.team
   end
   private :team_member?
 

app/views/exercises/_editor.html.slim

@@ -4,7 +4,7 @@
     - @files.each do |file|
       = render('editor_frame', exercise: exercise, file: file)
     #editor-buttons.btn-group
-      = render('editor_button', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over'), :'data-url' => exercise_path(exercise)}, icon: 'fa fa-history', id: 'start-over', label: t('exercises.editor.start_over'))
+      = render('editor_button', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over'), :'data-url' => reload_exercise_path(exercise)}, icon: 'fa fa-history', id: 'start-over', label: t('exercises.editor.start_over'))
       = render('editor_button', data: {:'data-message-success' => t('submissions.create.success'), :'data-placement' => 'top', :'data-tooltip' => true}, icon: 'fa fa-save', id: 'save', label: t('exercises.editor.save'), title: t('.tooltips.save'))
       .btn-group
         = render('editor_button', disabled: true, icon: 'fa fa-ban', id: 'dummy', label: t('exercises.editor.dummy'))