From a879297a0f7da5dcab992a8363d86fa835e9d10d Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Mon, 17 Jul 2023 12:53:29 +0200
Subject: [PATCH] WIP: Allow contributors for submissions

---
 app/models/concerns/contributor.rb            |  9 +++++++++
 app/models/concerns/contributor_creation.rb   | 13 +++++++++++++
 app/models/programming_group.rb               |  5 +++++
 app/models/submission.rb                      |  2 +-
 db/migrate/20230717103719_add_contributors.rb | 13 +++++++++++++
 db/schema.rb                                  | 14 ++++++++++----
 6 files changed, 51 insertions(+), 5 deletions(-)
 create mode 100644 app/models/concerns/contributor.rb
 create mode 100644 app/models/concerns/contributor_creation.rb
 create mode 100644 app/models/programming_group.rb
 create mode 100644 db/migrate/20230717103719_add_contributors.rb

diff --git a/app/models/concerns/contributor.rb b/app/models/concerns/contributor.rb
new file mode 100644
index 000000000..624818eaf
--- /dev/null
+++ b/app/models/concerns/contributor.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Contributor
+  extend ActiveSupport::Concern
+
+  included do
+    has_many :submissions, as: :contributor
+  end
+end
diff --git a/app/models/concerns/contributor_creation.rb b/app/models/concerns/contributor_creation.rb
new file mode 100644
index 000000000..52d47b01d
--- /dev/null
+++ b/app/models/concerns/contributor_creation.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module ContributorCreation
+  extend ActiveSupport::Concern
+  include Contributor
+
+  included do
+    belongs_to :contributor, polymorphic: true
+    alias_method :user, :contributor
+    alias_method :author, :user
+    alias_method :creator, :user
+  end
+end
diff --git a/app/models/programming_group.rb b/app/models/programming_group.rb
new file mode 100644
index 000000000..1ce926562
--- /dev/null
+++ b/app/models/programming_group.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class ProgrammingGroup < ApplicationRecord
+  include Contributor
+end
diff --git a/app/models/submission.rb b/app/models/submission.rb
index 7af947cc2..20eaedc95 100644
--- a/app/models/submission.rb
+++ b/app/models/submission.rb
@@ -2,7 +2,7 @@
 
 class Submission < ApplicationRecord
   include Context
-  include Creation
+  include ContributorCreation
   include ActionCableHelper
 
   CAUSES = %w[assess download file render run save submit test autosave requestComments remoteAssess
diff --git a/db/migrate/20230717103719_add_contributors.rb b/db/migrate/20230717103719_add_contributors.rb
new file mode 100644
index 000000000..3923ff4b6
--- /dev/null
+++ b/db/migrate/20230717103719_add_contributors.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class AddContributors < ActiveRecord::Migration[7.0]
+  def change
+    create_table :programming_groups, id: :uuid do |t|
+      t.string :name
+      t.timestamps
+    end
+
+    rename_column :submissions, :user_id, :contributor_id
+    rename_column :submissions, :user_type, :contributor_type
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a7acc27f0..9b6731bf3 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_03_20_220012) do
+ActiveRecord::Schema[7.0].define(version: 2023_07_17_103719) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"
   enable_extension "pgcrypto"
@@ -350,6 +350,12 @@
     t.index ["external_users_id"], name: "index_lti_parameters_on_external_users_id"
   end
 
+  create_table "programming_groups", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "proxy_exercises", id: :serial, force: :cascade do |t|
     t.string "title"
     t.string "description"
@@ -453,15 +459,15 @@
   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|