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