Rename user to contributor in submission

db/migrate/20230710130036_rename_user_columns_to_contributor_in_submissions.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class RenameUserColumnsToContributorInSubmissions < ActiveRecord::Migration[7.0]
+  def change
+    change_table :submissions do |t|
+      t.rename :user_id, :contributor_id
+      t.rename :user_type, :contributor_type
+    end
+  end
+end

db/schema.rb

@@ -454,15 +454,15 @@ ActiveRecord::Schema[7.0].define(version: 2023_07_27_080619) do
   create_table "submissions", id: :serial, force: :cascade do |t|
     t.integer "exercise_id"
     t.float "score"
-    t.integer "user_id"
+    t.integer "contributor_id"
     t.datetime "created_at"
     t.datetime "updated_at"
     t.string "cause"
-    t.string "user_type"
+    t.string "contributor_type"
     t.bigint "study_group_id"
+    t.index ["contributor_id"], name: "index_submissions_on_contributor_id"
     t.index ["exercise_id"], name: "index_submissions_on_exercise_id"
     t.index ["study_group_id"], name: "index_submissions_on_study_group_id"
-    t.index ["user_id"], name: "index_submissions_on_user_id"
   end
 
   create_table "subscriptions", id: :serial, force: :cascade do |t|

db/seeds/development.rb

@@ -28,7 +28,7 @@ ExecutionEnvironment.create_factories user: admin
 @exercises = find_factories_by_class(Exercise).map(&:name).index_with {|factory_name| FactoryBot.create(factory_name, user: teacher) }
 
 # submissions
-FactoryBot.create(:submission, exercise: @exercises[:fibonacci], user: external_user)
+FactoryBot.create(:submission, exercise: @exercises[:fibonacci], contributor: external_user)
 
 # The old images included in the seed data do not feature a dedicated `user` and therefore require a privileged execution.
 ExecutionEnvironment.update_all privileged_execution: true # rubocop:disable Rails/SkipsModelValidations