added interventions back to code. added post method to be able to save interventions

app/assets/javascripts/editor/editor.js.erb

@@ -545,12 +545,14 @@ configureEditors: function () {
     $('#output_sidebar_collapsed').addClass('hidden');
     $('#output_sidebar_uncollapsed').removeClass('hidden');
     $('#output_sidebar').removeClass('output-col-collapsed').addClass('output-col');
+    this.resizeAceEditors();
   },
 
   hideOutputBar: function() {
     $('#output_sidebar_collapsed').removeClass('hidden');
     $('#output_sidebar_uncollapsed').addClass('hidden');
     $('#output_sidebar').removeClass('output-col').addClass('output-col-collapsed');
+    this.resizeAceEditors();
   },
 
   initializeSideBarTooltips: function() {
@@ -587,15 +589,15 @@ configureEditors: function () {
                 var percentile75 = data['working_time_75_percentile'];
                 var accumulatedWorkTimeUser = data['working_time_accumulated'];
 
-                var timeUntilBreak = 15 * 60;
+                var timeUntilBreak = 15 * 60 * 1000;
 
                 if ((accumulatedWorkTimeUser - percentile75) > 0) {
                     // working time is already over 75 percentile
-                    var timeUntilAskQuestion = 7 * 60;
+                    var timeUntilAskQuestion = 10 * 60 * 1000;
                 } else {
                     // working time is less than 75 percentile
                     // ensure we give user at least 10 minutes before we bother the user
-                    var timeUntilAskQuestion = (percentile75 - accumulatedWorkTimeUser) > 10 * 60 ? (percentile75 - accumulatedWorkTimeUser) : 10 * 60;
+                    var timeUntilAskQuestion = (percentile75 - accumulatedWorkTimeUser) > 10 * 60 * 1000 ? (percentile75 - accumulatedWorkTimeUser) : 10 * 60 * 1000;
                 }
 
                 // if notifications are too close to each other, ensure some time differences between them
@@ -605,7 +607,15 @@ configureEditors: function () {
 
                 setTimeout(function() {
                     $('#intervention-text').text(`Willst du eine Pause machen?  75th percentile: ${percentile75} and accumulated time: ${accumulatedWorkTimeUser}`);
-                    $('#intervention-modal').modal('show')
+                    $('#intervention-modal').modal('show');
+                    $.ajax({
+                        data: {
+                            exercise_id: $('#editor').data('exercise-id'),
+                            user_id: $('#editor').data('user-id')
+                        },
+                        dataType: 'json',
+                        type: 'POST',
+                        url: "localhost:3000/exercise/intervention"});
                 }, timeUntilBreak);
 
                 setTimeout(function() {

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, :working_times, :run, :statistics, :submit, :reload]
+  before_action :set_exercise, only: MEMBER_ACTIONS + [:clone, :implement, :working_times, :intervention, :run, :statistics, :submit, :reload]
   before_action :set_external_user, only: [:statistics]
   before_action :set_file_types, only: [:create, :edit, :new, :update]
 
@@ -167,11 +167,20 @@ class ExercisesController < ApplicationController
   end
 
   def working_times
-    working_time_accumulated = @exercise.accumulated_working_time_for_only(current_user.id)
+    working_time_accumulated = @exercise.accumulated_working_time_for_only(current_user)
     working_time_75_percentile = @exercise.get_quantiles([0.75]).first
     render(json: {working_time_75_percentile: working_time_75_percentile, working_time_accumulated: working_time_accumulated})
   end
 
+  def intervention
+    uei = UserExerciseIntervention.new(
+        user: current_user, exercise: @exercise, intervention: Intervention.first,
+        accumulated_worktime: @exercise.accumulated_working_time_for_only(current_user))
+
+    puts "user: #{current_user}, intervention: #{Intervention.first} #{uei.save}"
+    render(json: {success: 'true'})
+  end
+
   def index
     @search = policy_scope(Exercise).search(params[:q])
     @exercises = @search.result.includes(:execution_environment, :user).order(:title).paginate(page: params[:page])

app/models/exercise.rb

@@ -126,7 +126,8 @@ class Exercise < ActiveRecord::Base
     @working_time_statistics[user_id]["working_time"]
   end
 
-  def accumulated_working_time_for_only(user_id)
+  def accumulated_working_time_for_only(user)
+    user_type = user.external_user? ? "ExternalUser" : "InternalUser"
     Time.parse(self.class.connection.execute("""
       SELECT sum(working_time_new) AS working_time
       FROM
@@ -136,7 +137,7 @@ class Exercise < ActiveRecord::Base
                     (created_at - lag(created_at) over (PARTITION BY user_id, exercise_id
                                                         ORDER BY created_at)) AS working_time
             FROM submissions
-            WHERE exercise_id=#{id} and user_id=#{user_id} and user_type='ExternalUser') AS foo) AS bar
+            WHERE exercise_id=#{id} and user_id=#{user.id} and user_type='#{user_type}') AS foo) AS bar
     """).first["working_time"] || "00:00:00").seconds_since_midnight
   end
 

app/models/proxy_exercise.rb

@@ -144,7 +144,7 @@ class ProxyExercise < ActiveRecord::Base
         return 0.0
       end
       points_ratio_index = ((scoring_matrix.size - 1)  * points_ratio).to_i
-      working_time_user = ex.accumulated_working_time_for_only(user.id)
+      working_time_user = ex.accumulated_working_time_for_only(user)
       quantiles_working_time = ex.get_quantiles(scoring_matrix_quantiles)
       quantile_index = quantiles_working_time.size
       quantiles_working_time.each_with_index do |quantile_time, i|

app/policies/exercise_policy.rb

@@ -16,7 +16,7 @@ class ExercisePolicy < AdminOrAuthorPolicy
     define_method(action) { admin? || author?}
   end
 
-  [:implement?, :working_times?, :submit?, :reload?].each do |action|
+  [:implement?, :working_times?, :intervention?, :submit?, :reload?].each do |action|
     define_method(action) { everyone }
   end