Add template model

app/models/template.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class Template < ApplicationRecord
+  belongs_to :game_system
+
+  validates :name, presence: true,
+                   uniqueness: { scope: :game_system_id },
+                   length: { maximum: 200 }
+  validates :content, presence: true
+  validates :klass, presence: true,
+                    length: { maximum: 200 }
+end

db/migrate/20240629080930_create_templates.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class CreateTemplates < ActiveRecord::Migration[7.1]
+  def change
+    create_table :templates do |t|
+      t.belongs_to :game_system, null: false, foreign_key: true
+      t.string :name, null: false
+      t.jsonb :content, null: false, default: {}
+      t.string :klass, null: false
+
+      t.timestamps
+    end
+
+    add_check_constraint :templates, "length(name) <= 200", name: "chk_template_name_max_length"
+    add_check_constraint :templates, "length(klass) <= 200", name: "chk_template_klass_max_length"
+    add_index :templates, [ :name, :game_system_id ], unique: 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[7.1].define(version: 2024_06_21_141219) do
+ActiveRecord::Schema[7.1].define(version: 2024_06_29_080930) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -283,6 +283,19 @@ ActiveRecord::Schema[7.1].define(version: 2024_06_21_141219) do
     t.check_constraint "length(slug::text) <= 100", name: "chk_table_slug_max_length"
   end
 
+  create_table "templates", force: :cascade do |t|
+    t.bigint "game_system_id", null: false
+    t.string "name", null: false
+    t.jsonb "content", default: {}, null: false
+    t.string "klass", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["game_system_id"], name: "index_templates_on_game_system_id"
+    t.index ["name", "game_system_id"], name: "index_templates_on_name_and_game_system_id", unique: true
+    t.check_constraint "length(klass::text) <= 200", name: "chk_template_klass_max_length"
+    t.check_constraint "length(name::text) <= 200", name: "chk_template_name_max_length"
+  end
+
   create_table "text_fields", force: :cascade do |t|
     t.string "name", null: false
     t.datetime "created_at", null: false
@@ -328,4 +341,5 @@ ActiveRecord::Schema[7.1].define(version: 2024_06_21_141219) do
   add_foreign_key "table_invites", "tables"
   add_foreign_key "tables", "game_systems"
   add_foreign_key "tables", "users", column: "owner_id"
+  add_foreign_key "templates", "game_systems"
 end