Add circle posts history support (#18)

* Wip: make web backend

* Wip: keep statuses if edit circle

* Wip: Add circle history page and record circle posts

* Add circle post to history in web ui when post

* Add test

db/migrate/20230923103430_create_circle_statuses.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require Rails.root.join('lib', 'mastodon', 'migration_helpers')
+
+class CreateCircleStatuses < ActiveRecord::Migration[7.0]
+  include Mastodon::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  def change
+    safety_assured do
+      create_table :circle_statuses do |t|
+        t.belongs_to :circle, null: true, foreign_key: { on_delete: :cascade }
+        t.belongs_to :status, null: false, foreign_key: { on_delete: :cascade }
+        t.datetime :created_at, null: false
+        t.datetime :updated_at, null: false
+      end
+
+      add_index :circle_statuses, [:circle_id, :status_id], unique: true
+    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[7.0].define(version: 2023_09_19_232836) do
+ActiveRecord::Schema[7.0].define(version: 2023_09_23_103430) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -447,6 +447,16 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_19_232836) do
     t.index ["follow_id"], name: "index_circle_accounts_on_follow_id"
   end
 
+  create_table "circle_statuses", force: :cascade do |t|
+    t.bigint "circle_id"
+    t.bigint "status_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["circle_id", "status_id"], name: "index_circle_statuses_on_circle_id_and_status_id", unique: true
+    t.index ["circle_id"], name: "index_circle_statuses_on_circle_id"
+    t.index ["status_id"], name: "index_circle_statuses_on_status_id"
+  end
+
   create_table "circles", force: :cascade do |t|
     t.bigint "account_id", null: false
     t.string "title", default: "", null: false
@@ -1414,6 +1424,8 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_19_232836) do
   add_foreign_key "circle_accounts", "accounts", on_delete: :cascade
   add_foreign_key "circle_accounts", "circles", on_delete: :cascade
   add_foreign_key "circle_accounts", "follows", on_delete: :cascade
+  add_foreign_key "circle_statuses", "circles", on_delete: :cascade
+  add_foreign_key "circle_statuses", "statuses", on_delete: :cascade
   add_foreign_key "circles", "accounts", on_delete: :cascade
   add_foreign_key "conversation_mutes", "accounts", name: "fk_225b4212bb", on_delete: :cascade
   add_foreign_key "conversation_mutes", "conversations", on_delete: :cascade