@directus/api/dist/database/migrations/20240909A-separate-comments.js

Directus is a real-time API and App dashboard for managing SQL database content

import { getHelpers } from "../helpers/index.js";
import { Action } from "@directus/constants";

//#region src/database/migrations/20240909A-separate-comments.ts
async function up(knex) {
	const helpers = getHelpers(knex);
	await knex.schema.createTable("directus_comments", (table) => {
		table.uuid("id").primary().notNullable();
		table.string("collection", helpers.schema.getTableNameMaxLength()).notNullable();
		table.string("item").notNullable();
		table.text("comment").notNullable();
		table.timestamp("date_created").defaultTo(knex.fn.now());
		table.timestamp("date_updated").defaultTo(knex.fn.now());
		table.uuid("user_created").references("id").inTable("directus_users").onDelete("SET NULL");
		table.uuid("user_updated").references("id").inTable("directus_users");
	});
}
async function down(knex) {
	const rowsLimit = 50;
	let hasMore = true;
	while (hasMore) {
		const comments = await knex.select("id", "collection", "item", "comment", "date_created", "user_created").from("directus_comments").limit(rowsLimit);
		if (comments.length === 0) {
			hasMore = false;
			break;
		}
		await knex.transaction(async (trx) => {
			for (const comment of comments) {
				const migratedRecords = await trx("directus_activity").select("id").where("collection", "=", "directus_comments").andWhere("item", "=", comment.id).andWhere("action", "=", Action.CREATE).limit(1);
				if (migratedRecords[0]) await trx("directus_activity").update({
					action: Action.COMMENT,
					collection: comment.collection,
					item: comment.item,
					comment: comment.comment
				}).where("id", "=", migratedRecords[0].id);
				else await trx("directus_activity").insert({
					action: Action.COMMENT,
					collection: comment.collection,
					item: comment.item,
					comment: comment.comment,
					user: comment.user_created,
					timestamp: comment.date_created
				});
				await trx("directus_comments").where("id", "=", comment.id).delete();
			}
		});
	}
	await knex.schema.dropTable("directus_comments");
}

//#endregion
export { down, up };