Add DiceRoll model

app/models/dice_roll.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class DiceRoll < ApplicationRecord
+  belongs_to :rollable, polymorphic: true
+  belongs_to :table
+
+  validates :result, presence: true,
+                     numericality: { only_integer: true }
+end

app/models/stat.rb

@@ -4,6 +4,7 @@ class Stat < ApplicationRecord
   include Sluggable
 
   belongs_to :character_sheet_section
+  has_many :dice_rolls, as: :rollable, dependent: :destroy
 
   validates :name, presence: true,
                    length: { maximum: 100 },

app/models/table.rb

@@ -4,6 +4,7 @@ class Table < ApplicationRecord
   belongs_to :owner, class_name: "User"
   belongs_to :game_system
   has_many :characters, dependent: :nullify
+  has_many :dice_rolls, dependent: :destroy
   has_many :players, dependent: :destroy
   has_many :table_invites, dependent: :destroy
   has_many :users, through: :players

db/migrate/20240613072942_create_dice_rolls.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class CreateDiceRolls < ActiveRecord::Migration[7.1]
+  def change
+    create_table :dice_rolls do |t|
+      t.references :rollable, polymorphic: true
+      t.belongs_to :table, null: true, foreign_key: true
+      t.integer :result, 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: 2024_06_12_145451) do
+ActiveRecord::Schema[7.1].define(version: 2024_06_13_072942) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -90,6 +90,17 @@ ActiveRecord::Schema[7.1].define(version: 2024_06_12_145451) do
     t.check_constraint "length(slug::text) <= 100", name: "chk_counter_slug_max_length"
   end
 
+  create_table "dice_rolls", force: :cascade do |t|
+    t.string "rollable_type"
+    t.bigint "rollable_id"
+    t.bigint "table_id"
+    t.integer "result", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["rollable_type", "rollable_id"], name: "index_dice_rolls_on_rollable"
+    t.index ["table_id"], name: "index_dice_rolls_on_table_id"
+  end
+
   create_table "game_systems", force: :cascade do |t|
     t.string "name", null: false
     t.datetime "created_at", null: false
@@ -291,6 +302,7 @@ ActiveRecord::Schema[7.1].define(version: 2024_06_12_145451) do
   add_foreign_key "characters", "tables"
   add_foreign_key "characters", "users"
   add_foreign_key "counters", "character_sheet_sections"
+  add_foreign_key "dice_rolls", "tables"
   add_foreign_key "players", "tables"
   add_foreign_key "players", "users"
   add_foreign_key "solid_queue_blocked_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade

test/fixtures/dice_rolls.yml

@@ -0,0 +1,4 @@
+one:
+  rollable: strength (Stat)
+  table: dnd_table
+  result: 14

test/models/dice_roll_test.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class DiceRollTest < ActiveSupport::TestCase
+  test "result must exist" do
+    assert_must_exist dice_rolls(:one), :result
+  end
+end