add folders migration

db/migrate/20230920195319_create_template_folders.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class CreateTemplateFolders < ActiveRecord::Migration[7.0]
+  def change
+    create_table :template_folders do |t|
+      t.string :name, null: false
+
+      t.references :author, null: false, foreign_key: { to_table: :users }, index: true
+      t.references :account, null: false, foreign_key: true, index: true
+
+      t.datetime :deleted_at
+      t.timestamps
+    end
+  end
+end

db/migrate/20230920202947_add_folder_id_to_templates.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+class AddFolderIdToTemplates < ActiveRecord::Migration[7.0]
+  class MigrationTemplateFolder < ApplicationRecord
+    self.table_name = 'template_folders'
+  end
+
+  class MigrationAccount < ApplicationRecord
+    self.table_name = 'accounts'
+  end
+
+  class MigrationTemplate < ApplicationRecord
+    self.table_name = 'templates'
+  end
+
+  class MigrationUser < ApplicationRecord
+    self.table_name = 'users'
+  end
+
+  def up
+    add_reference :templates, :folder, foreign_key: { to_table: :template_folders }, index: true, null: true
+
+    MigrationAccount.all.pluck(:id).each do |account_id|
+      author_id = MigrationUser.where(account_id:).minimum(:id)
+
+      next if author_id.blank?
+
+      folder = MigrationTemplateFolder.create_with(author_id:)
+                                      .find_or_create_by(name: 'Default', account_id:)
+
+      MigrationTemplate.where(account_id:).update_all(folder_id: folder.id)
+    end
+
+    change_column_null :templates, :folder_id, false
+  end
+
+  def down
+    remove_column :templates, :folder_id
+  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[7.0].define(version: 2023_09_15_200635) do
+ActiveRecord::Schema[7.0].define(version: 2023_09_20_202947) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -138,6 +138,17 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_15_200635) do
     t.index ["submission_id"], name: "index_submitters_on_submission_id"
   end
 
+  create_table "template_folders", force: :cascade do |t|
+    t.string "name", null: false
+    t.bigint "author_id", null: false
+    t.bigint "account_id", null: false
+    t.datetime "deleted_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["account_id"], name: "index_template_folders_on_account_id"
+    t.index ["author_id"], name: "index_template_folders_on_author_id"
+  end
+
   create_table "templates", force: :cascade do |t|
     t.string "slug", null: false
     t.string "name", null: false
@@ -150,8 +161,10 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_15_200635) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.text "source", null: false
+    t.bigint "folder_id", null: false
     t.index ["account_id"], name: "index_templates_on_account_id"
     t.index ["author_id"], name: "index_templates_on_author_id"
+    t.index ["folder_id"], name: "index_templates_on_folder_id"
     t.index ["slug"], name: "index_templates_on_slug", unique: true
   end
 
@@ -198,7 +211,10 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_15_200635) do
   add_foreign_key "submissions", "templates"
   add_foreign_key "submissions", "users", column: "created_by_user_id"
   add_foreign_key "submitters", "submissions"
+  add_foreign_key "template_folders", "accounts"
+  add_foreign_key "template_folders", "users", column: "author_id"
   add_foreign_key "templates", "accounts"
+  add_foreign_key "templates", "template_folders", column: "folder_id"
   add_foreign_key "templates", "users", column: "author_id"
   add_foreign_key "users", "accounts"
 end