✨ automatically run db migrations

util/src/entities/Migration.ts

@@ -0,0 +1,18 @@
+import { Column, Entity, ObjectIdColumn, PrimaryGeneratedColumn } from "typeorm";
+import { BaseClassWithoutId } from ".";
+
+export const PrimaryIdAutoGenerated = process.env.DATABASE?.startsWith("mongodb")
+	? ObjectIdColumn
+	: PrimaryGeneratedColumn;
+
+@Entity("migrations")
+export class Migration extends BaseClassWithoutId {
+	@PrimaryIdAutoGenerated()
+	id: number;
+
+	@Column()
+	timestamp: number;
+
+	@Column()
+	name: string;
+}

util/src/entities/index.ts

@@ -11,6 +11,7 @@ export * from "./Guild";
 export * from "./Invite";
 export * from "./Member";
 export * from "./Message";
+export * from "./Migration";
 export * from "./RateLimit";
 export * from "./ReadState";
 export * from "./Recipient";

util/src/migrations/1633881705509-VanityInvite.ts

@@ -1,6 +1,8 @@
 import { MigrationInterface, QueryRunner } from "typeorm";
 
 export class VanityInvite1633881705509 implements MigrationInterface {
+	name = "VanityInvite1633881705509";
+
 	public async up(queryRunner: QueryRunner): Promise<void> {
 		try {
 			await queryRunner.query(`ALTER TABLE "emojis" DROP COLUMN vanity_url_code`);

util/src/migrations/1634308884591-Stickers.ts

@@ -0,0 +1,66 @@
+import { MigrationInterface, QueryRunner, Table, TableColumn, TableForeignKey } from "typeorm";
+
+export class Stickers1634308884591 implements MigrationInterface {
+	name = "Stickers1634308884591";
+
+	public async up(queryRunner: QueryRunner): Promise<void> {
+		await queryRunner.dropForeignKey("read_states", "FK_6f255d873cfbfd7a93849b7ff74");
+		await queryRunner.changeColumn(
+			"stickers",
+			"tags",
+			new TableColumn({ name: "tags", type: "varchar", isNullable: true })
+		);
+		await queryRunner.changeColumn(
+			"stickers",
+			"pack_id",
+			new TableColumn({ name: "pack_id", type: "varchar", isNullable: true })
+		);
+		await queryRunner.changeColumn("stickers", "type", new TableColumn({ name: "type", type: "integer" }));
+		await queryRunner.changeColumn(
+			"stickers",
+			"format_type",
+			new TableColumn({ name: "format_type", type: "integer" })
+		);
+		await queryRunner.changeColumn(
+			"stickers",
+			"available",
+			new TableColumn({ name: "available", type: "boolean", isNullable: true })
+		);
+		await queryRunner.changeColumn(
+			"stickers",
+			"user_id",
+			new TableColumn({ name: "user_id", type: "boolean", isNullable: true })
+		);
+		await queryRunner.createForeignKey(
+			"stickers",
+			new TableForeignKey({
+				name: "FK_8f4ee73f2bb2325ff980502e158",
+				columnNames: ["user_id"],
+				referencedColumnNames: ["id"],
+				referencedTableName: "users",
+				onDelete: "CASCADE",
+			})
+		);
+		await queryRunner.createTable(
+			new Table({
+				name: "sticker_packs",
+				columns: [
+					new TableColumn({ name: "id", type: "varchar", isPrimary: true }),
+					new TableColumn({ name: "name", type: "varchar" }),
+					new TableColumn({ name: "description", type: "varchar", isNullable: true }),
+					new TableColumn({ name: "banner_asset_id", type: "varchar", isNullable: true }),
+					new TableColumn({ name: "cover_sticker_id", type: "varchar", isNullable: true }),
+				],
+				foreignKeys: [
+					new TableForeignKey({
+						columnNames: ["cover_sticker_id"],
+						referencedColumnNames: ["id"],
+						referencedTableName: "stickers",
+					}),
+				],
+			})
+		);
+	}
+
+	public async down(queryRunner: QueryRunner): Promise<void> {}
+}

util/src/util/Database.ts

@@ -2,6 +2,7 @@ import path from "path";
 import "reflect-metadata";
 import { Connection, createConnection } from "typeorm";
 import * as Models from "../entities";
+import { Migration } from "../entities/Migration";
 import { yellow, green } from "nanocolors";
 
 // UUID extension option is only supported with postgres
@@ -33,10 +34,27 @@ export function initDatabase(): Promise<Connection> {
 		bigNumberStrings: false,
 		supportBigNumbers: true,
 		name: "default",
+		migrations: [path.join(__dirname, "..", "migrations", "*.js")],
 	});
 
-	promise.then((connection) => {
+	promise.then(async (connection: Connection) => {
 		dbConnection = connection;
+
+		// run migrations, and if it is a new fresh database, set it to the last migration
+		if (connection.migrations.length) {
+			if (!(await Migration.findOne({}))) {
+				let i = 0;
+
+				await Migration.insert(
+					connection.migrations.map((x) => ({
+						id: i++,
+						name: x.name,
+						timestamp: Date.now(),
+					}))
+				);
+			}
+		}
+		await connection.runMigrations();
 		console.log(`[Database] ${green("connected")}`);
 	});