feat(messages): use trix editor in messages

db/migrate/20230215085312_migrate_message_body_to_action_text.rb

@@ -0,0 +1,32 @@
+class MigrateMessageBodyToActionText < ActiveRecord::Migration[7.0]
+  include ActionView::Helpers::TextHelper
+
+  class Message < ApplicationRecord
+    has_rich_text :body
+  end
+
+  def change
+    reversible do |dir|
+      dir.up do
+        rename_column :messages, :body, :body_old
+        Message.all.each do |message|
+          message.update(body: simple_format(message.body_old))
+          message.body.update(record_type: :Message) # action_text_rich_texts uses STI record_type field and has to be set to the real model
+        end
+        remove_column :messages, :body_old, :text
+      end
+      dir.down do
+        execute "ALTER TABLE `messages` ADD `body_old` text"
+        execute "UPDATE `messages` m
+                  INNER JOIN `action_text_rich_texts` a
+                    ON m.id = a.record_id
+                set m.body_old = a.body"
+        Message.all.each do |message|
+          message.update(body_old: strip_tags(message.body_old))
+        end
+        execute "DELETE FROM `action_text_rich_texts` WHERE `action_text_rich_texts`.`record_type` = 'Message'"
+        execute "ALTER TABLE `messages` CHANGE `body_old` `body` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL;"
+      end
+    end
+  end
+end

db/schema.rb

@@ -292,7 +292,6 @@ ActiveRecord::Schema[7.0].define(version: 2023_02_15_085312) do
   create_table "messages", id: :integer, charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
     t.integer "sender_id"
     t.string "subject", null: false
-    t.text "body"
     t.boolean "private", default: false
     t.datetime "created_at", precision: nil
     t.integer "reply_to"