Add events for pair programming study

app/controllers/events_controller.rb

@@ -1,10 +1,7 @@
 # frozen_string_literal: true
 
 class EventsController < ApplicationController
-  def authorize!
-    authorize(@event || @events)
-  end
-  private :authorize!
+  before_action :require_user!
 
   def create
     @event = Event.new(event_params)
@@ -20,12 +17,21 @@ class EventsController < ApplicationController
     end
   end
 
+  private
+
+  def authorize!
+    authorize(@event || @events)
+  end
+
   def event_params
     # The file ID processed here is the context of the exercise (template),
     # not in the context of the submission!
     params[:event]
       &.permit(:category, :data, :exercise_id, :file_id)
-      &.merge(user: current_user)
+      &.merge(user: current_user, programming_group:, study_group_id: current_user.current_study_group_id)
+  end
+
+  def programming_group
+    current_contributor if current_contributor.programming_group?
   end
-  private :event_params
 end

app/controllers/exercises_controller.rb

@@ -315,6 +315,8 @@ class ExercisesController < ApplicationController
       # we are just acting on behalf of a single user who has already worked on this exercise as part of a programming group **in the context of the current study group**
       session[:pg_id] = pg.id
       @current_contributor = pg
+    elsif PairProgramming23Study.participate?(current_user, @exercise) && current_user.submissions.where(study_group_id: current_user.current_study_group_id, exercise: @exercise).any?
+      Event.create(category: 'pp_work_alone', user: current_user, exercise: @exercise, data: nil, file_id: nil)
     end
 
     user_solved_exercise = @exercise.solved_by?(current_contributor)

app/controllers/programming_groups_controller.rb

@@ -7,6 +7,7 @@ class ProgrammingGroupsController < ApplicationController
   before_action :set_exercise_and_authorize
 
   def new
+    Event.create(category: 'page_visit', user: current_user, exercise: @exercise, data: 'programming_groups_new', file_id: nil)
     if current_user.submissions.where(exercise: @exercise, study_group_id: current_user.current_study_group_id).any?
       # A learner has worked on this exercise **alone** in the context of the **current study group**, so we redirect them to their progress.
       redirect_to_exercise
@@ -36,6 +37,10 @@ class ProgrammingGroupsController < ApplicationController
       @programming_group.add(current_user)
     end
 
+    unless @programming_group.valid?
+      Event.create(category: 'pp_invalid_partners', user: current_user, exercise: @exercise, data: programming_group_params[:programming_partner_ids], file_id: nil)
+    end
+
     create_and_respond(object: @programming_group, path: proc { implement_exercise_path(@exercise) }) do
       session[:pg_id] = @programming_group.id
       nil