Add completions

db/migrate/20250320082658_create_completions.rb

@@ -0,0 +1,11 @@
+class CreateCompletions < ActiveRecord::Migration[8.0]
+  def change
+    create_table :completions do |t|
+      t.integer :time_seconds
+      t.belongs_to :contestant, null: false, foreign_key: true
+      t.belongs_to :puzzle, null: false, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20250320093759_add_contest_ref_to_completion.rb

@@ -0,0 +1,5 @@
+class AddContestRefToCompletion < ActiveRecord::Migration[8.0]
+  def change
+    add_reference :completions, :contest, null: false, 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[8.0].define(version: 2025_03_20_080142) do
+ActiveRecord::Schema[8.0].define(version: 2025_03_20_093759) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -39,6 +39,18 @@ ActiveRecord::Schema[8.0].define(version: 2025_03_20_080142) do
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
+  create_table "completions", force: :cascade do |t|
+    t.integer "time_seconds"
+    t.integer "contestant_id", null: false
+    t.integer "puzzle_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.integer "contest_id", null: false
+    t.index ["contest_id"], name: "index_completions_on_contest_id"
+    t.index ["contestant_id"], name: "index_completions_on_contestant_id"
+    t.index ["puzzle_id"], name: "index_completions_on_puzzle_id"
+  end
+
   create_table "contestants", force: :cascade do |t|
     t.string "name"
     t.string "email"
@@ -87,6 +99,9 @@ ActiveRecord::Schema[8.0].define(version: 2025_03_20_080142) do
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "completions", "contestants"
+  add_foreign_key "completions", "contests"
+  add_foreign_key "completions", "puzzles"
   add_foreign_key "contestants", "contests"
   add_foreign_key "contests", "users"
   add_foreign_key "puzzles", "contests"