From 544e9c8fa671c34c541aeb711d6f5e60b3be66f2 Mon Sep 17 00:00:00 2001
From: Karina Kwiatek <kjk@kjk.dog>
Date: Thu, 27 Jan 2022 22:42:01 +0100
Subject: [PATCH] Create Appendable model

---
 app/models/appendable.rb                      |  6 +++++
 .../20220127212925_create_appendables.rb      | 23 +++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 app/models/appendable.rb
 create mode 100644 db/migrate/20220127212925_create_appendables.rb

diff --git a/app/models/appendable.rb b/app/models/appendable.rb
new file mode 100644
index 00000000..f736acfa
--- /dev/null
+++ b/app/models/appendable.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class Appendable < ApplicationRecord
+  belongs_to :parent, polymorphic: true
+  belongs_to :user
+end
diff --git a/db/migrate/20220127212925_create_appendables.rb b/db/migrate/20220127212925_create_appendables.rb
new file mode 100644
index 00000000..8cf9830b
--- /dev/null
+++ b/db/migrate/20220127212925_create_appendables.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class CreateAppendables < ActiveRecord::Migration[6.1]
+  def up
+    create_table :appendables do |t|
+      t.string :type, null: false
+      t.bigint :user_id, null: false
+      t.bigint :parent_id, null: false
+      t.string :parent_type, null: false
+      t.text :content
+
+      t.timestamps
+    end
+
+    change_column :appendables, :id, :bigint
+    add_index :appendables, %i[parent_id parent_type]
+    add_index :appendables, %i[user_id created_at]
+  end
+
+  def down
+    drop_table :appendables
+  end
+end