Add StudyGroup to RemoteEvaluationMapping

app/controllers/remote_evaluation_controller.rb

@@ -74,6 +74,7 @@ class RemoteEvaluationController < ApplicationController
     submission_params = remote_evaluation_params.except(:validation_token)
     submission_params[:exercise_id] = remote_evaluation_mapping.exercise_id
     submission_params[:user_id] = remote_evaluation_mapping.user_id
+    submission_params[:study_group_id] = remote_evaluation_mapping.study_group_id
     submission_params[:cause] = cause
     submission_params[:user_type] = remote_evaluation_mapping.user_type
     submission_params[:files_attributes] = reject_illegal_file_attributes(remote_evaluation_mapping.exercise, files_attributes)

app/controllers/submissions_controller.rb

@@ -450,7 +450,11 @@ class SubmissionsController < ApplicationController
     user = @submission.user
     exercise_id = @submission.exercise_id
 
-    remote_evaluation_mapping = RemoteEvaluationMapping.create(user: user, exercise_id: exercise_id)
+    remote_evaluation_mapping = RemoteEvaluationMapping.create(
+      user: user,
+      exercise_id: exercise_id,
+      study_group_id: session[:study_group_id]
+    )
 
     # create .co file
     path = "tmp/" + user.id.to_s + ".co"

app/models/remote_evaluation_mapping.rb

@@ -3,6 +3,7 @@ class RemoteEvaluationMapping < ApplicationRecord
   before_create :generate_token, unless: :validation_token?
   belongs_to :exercise
   belongs_to :user, polymorphic: true
+  belongs_to :study_group, optional: true
 
   def generate_token
     self.validation_token = SecureRandom.urlsafe_base64

app/models/study_group.rb

@@ -5,6 +5,7 @@ class StudyGroup < ApplicationRecord
   has_many :external_users, through: :study_group_memberships, source_type: 'ExternalUser', source: :user
   has_many :internal_users, through: :study_group_memberships, source_type: 'InternalUser', source: :user
   has_many :submissions, dependent: :nullify
+  has_many :remote_evaluation_mappings, dependent: :nullify
   belongs_to :consumer
 
   def users

app/models/user.rb

@@ -13,6 +13,7 @@ class User < ApplicationRecord
   has_many :user_proxy_exercise_exercises, as: :user
   has_many :user_exercise_interventions, as: :user
   has_many :interventions, through: :user_exercise_interventions
+  has_many :remote_evaluation_mappings, as: :user
   has_one :codeharbor_link, dependent: :destroy
   accepts_nested_attributes_for :user_proxy_exercise_exercises
 

db/migrate/20210426113125_add_study_group_to_remote_evaluation_mapping.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddStudyGroupToRemoteEvaluationMapping < ActiveRecord::Migration[5.2]
+  def change
+    add_reference :remote_evaluation_mappings, :study_group, index: true, null: true, foreign_key: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_12_10_113500) do
+ActiveRecord::Schema.define(version: 2021_04_26_113125) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"
@@ -317,6 +317,8 @@ ActiveRecord::Schema.define(version: 2020_12_10_113500) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.string "user_type"
+    t.bigint "study_group_id"
+    t.index ["study_group_id"], name: "index_remote_evaluation_mappings_on_study_group_id"
   end
 
   create_table "request_for_comments", id: :serial, force: :cascade do |t|
@@ -480,6 +482,7 @@ ActiveRecord::Schema.define(version: 2020_12_10_113500) do
   add_foreign_key "exercise_tips", "exercises"
   add_foreign_key "exercise_tips", "tips"
   add_foreign_key "request_for_comments", "submissions", name: "request_for_comments_submissions_id_fk"
+  add_foreign_key "remote_evaluation_mappings", "study_groups"
   add_foreign_key "submissions", "study_groups"
   add_foreign_key "tips", "file_types"
   add_foreign_key "user_exercise_feedbacks", "submissions"