Add WorkItem model for Problem sheets and equivalent

app/models/work_item.rb

@@ -0,0 +1,3 @@
+class WorkItem < ApplicationRecord
+  belongs_to :course
+end

db/migrate/20231007144031_create_work_items.rb

@@ -0,0 +1,11 @@
+class CreateWorkItems < ActiveRecord::Migration[7.1]
+  def change
+    create_table :work_items do |t|
+      t.string :title, null: false
+      t.references :course, null: false, foreign_key: true
+      t.datetime :due_date, null: false
+
+      t.timestamps
+    end
+  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[7.1].define(version: 2023_10_06_210710) do
+ActiveRecord::Schema[7.1].define(version: 2023_10_07_144031) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -60,6 +60,16 @@ ActiveRecord::Schema[7.1].define(version: 2023_10_06_210710) do
     t.index ["lecture_id"], name: "index_tracked_time_entries_on_lecture_id"
   end
 
+  create_table "work_items", force: :cascade do |t|
+    t.string "title", null: false
+    t.bigint "course_id", null: false
+    t.datetime "due_date", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["course_id"], name: "index_work_items_on_course_id"
+  end
+
   add_foreign_key "recordings", "courses"
   add_foreign_key "tracked_time_entries", "lectures"
+  add_foreign_key "work_items", "courses"
 end

test/fixtures/work_items.yml

@@ -0,0 +1,11 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  title: MyString
+  course: one
+  due_date07/10/2023: MyString
+
+two:
+  title: MyString
+  course: two
+  due_date07/10/2023: MyString

test/models/work_item_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class WorkItemTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end