save progress

app/controllers/exercises_controller.rb

@@ -164,6 +164,7 @@ class ExercisesController < ApplicationController
   private :handle_file_uploads
 
   def implement
+    redirect_to_user_feedback
     redirect_to(@exercise, alert: t('exercises.implement.no_files')) unless @exercise.files.visible.exists?
     user_solved_exercise = @exercise.has_user_solved(current_user)
     user_got_enough_interventions = UserExerciseIntervention.where(user: current_user).where("created_at >= ?", Time.zone.now.beginning_of_day).count >= max_intervention_count
@@ -409,4 +410,12 @@ class ExercisesController < ApplicationController
     redirect_to_lti_return_path
   end
 
+  def redirect_to_user_feedback
+    if UserExerciseFeedback.find_by(exercise: @exercise, user: current_user)
+      redirect_to(edit_user_exercise_feedback_path(user_exercise_feedback: {exercise_id: @exercise.id}))
+    else
+      redirect_to(new_user_exercise_feedback_path(user_exercise_feedback: {exercise_id: @exercise.id}))
+    end
+  end
+
 end

app/controllers/user_exercise_feedbacks_controller.rb

@@ -1,15 +1,33 @@
-class UserExerciseFeedbackController < ApplicationController
+class UserExerciseFeedbacksController < ApplicationController
   include CommonBehavior
 
+  before_action :set_user_exercise_feedback, only: [:edit, :update]
+
+  def comment_presets
+    [t('user_exercise_feedback.choose'),
+     t('user_exercise_feedback.easy'),
+     t('user_exercise_feedback.some_what_easy'),
+     t('user_exercise_feedback.some_what_difficult'),
+     t('user_exercise_feedback.difficult')]
+  end
+
   def authorize!
     authorize(@uef)
   end
   private :authorize!
 
   def create
-    @tag = Tag.new(tag_params)
-    authorize!
-    create_and_respond(object: @tag)
+    if validate_feedback_text(uef_params[:difficulty])
+      exercise = Exercise.find(uef_params[:exercise_id])
+      if exercise
+        @uef = UserExerciseFeedback.new(uef_params)
+        authorize!
+        create_and_respond(object: @uef, path: proc{implement_exercise_path(exercise)})
+      end
+    else
+      flash[:danger] = t('shared.message_failure')
+      redirect_to(:back, id: uef_params[:exercise_id])
+    end
   end
 
   def destroy
@@ -17,26 +35,43 @@ class UserExerciseFeedbackController < ApplicationController
   end
 
   def edit
+    @texts = comment_presets
+    authorize!
   end
 
   def uef_params
-    params[:tag].permit(:feedback_text, :difficulty)
+    params[:user_exercise_feedback].permit(:feedback_text, :difficulty, :exercise_id).merge(user_id: current_user.id, user_type: current_user.class.name)
   end
   private :uef_params
 
   def new
+    @texts = comment_presets
     @uef = UserExerciseFeedback.new
+    @exercise = Exercise.find(params[:user_exercise_feedback][:exercise_id])
     authorize!
   end
 
-  def show
-  end
-
   def update
-    update_and_respond(object: @UserExerciseFeedback, params: uef_params)
+    authorize!
+    if validate_feedback_text(uef_params[:difficulty]) && @exercise
+      update_and_respond(object: @uef, params: uef_params, path: implement_exercise_path(@exercise))
+    else
+      flash[:danger] = t('shared.message_failure')
+      redirect_to(:back, id: uef_params[:exercise_id])
+    end
   end
 
   def to_s
     name
   end
+
+  def set_user_exercise_feedback
+    puts "params: #{params}"
+    @exercise = Exercise.find(params[:user_exercise_feedback][:exercise_id])
+    @uef = UserExerciseFeedback.find_by(exercise_id: params[:user_exercise_feedback][:exercise_id], user: current_user)
+  end
+
+  def validate_feedback_text(difficulty_text)
+    return comment_presets.include? difficulty_text
+  end
 end

app/policies/user_exercise_feedback_policy.rb

@@ -1,4 +1,4 @@
-class TagPolicy < AdminOrAuthorPolicy
+class UserExerciseFeedbackPolicy < AdminOrAuthorPolicy
   def author?
     @user == @record.author
   end
@@ -8,6 +8,10 @@ class TagPolicy < AdminOrAuthorPolicy
     admin?
   end
 
+  def create?
+    everyone
+  end
+
   def show?
     @user.internal_user?
   end

app/views/user_exercise_feedbacks/_form.html.slim

@@ -1,8 +1,11 @@
 = form_for(@uef) do |f|
   = render('shared/form_errors', object: @uef)
+  h4
+    p = t('user_exercise_feedback.description')
   .form-group
-    = f.label(:feedback_text)
-    = f.text_field(:feedback_text, class: 'form-control', required: true)
-    = f.label(:difficulty)
-    = f.text_field(:difficulty, class: 'form-control', required: true)
+    = f.text_area(:feedback_text, class: 'form-control', required: true, :rows => "10")
+    h4 = t('user_exercise_feedback.difficulty')
+    = f.collection_radio_buttons :difficulty, @texts, :to_s, :to_s, html_options={class: "radio-inline"}  do |b|
+      = b.label(:class => 'radio') { b.radio_button + b.text }
+    = f.hidden_field(:exercise_id, :value => @exercise.id)
   .actions = render('shared/submit_button', f: f, object: @uef)

config/locales/en.yml

@@ -547,8 +547,12 @@ en:
   file_template:
     no_template_label: "Empty File"
   user_exercise_feedback:
+    choose: "choose one"
     easy: "it was easy"
     some_what_easy: "it was somewhat easy"
     some_what_difficult: "it was somewhat difficult"
     difficult: "difficult"
+    done: "done"
+    difficulty: "Difficulty of the exercise"
+    description: "Here you have the chance to comment on the exercise. Feel free to give us feedback on the exercise, the description or difficulty. Did you liked the question or was it too difficult or easy?"