91 lines
2.7 KiB
TypeScript
91 lines
2.7 KiB
TypeScript
import util from "util";
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import fs from "graceful-fs";
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import glob from "glob";
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import path from "path";
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import sqlite from "sqlite";
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import sqlite3 from "sqlite3";
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import {config} from "../config";
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import Logger from "../logger";
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const pglob = util.promisify(glob);
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const pReadFile = util.promisify(fs.readFile);
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async function applyPatch(db: sqlite.Database, file: string): Promise<void> {
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Logger.tag('database', 'migration').info('Checking if patch need to be applied: %s', file);
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const contents = await pReadFile(file);
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const version = path.basename(file, '.sql');
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const row = await db.get('SELECT * FROM schema_version WHERE version = ?', version);
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if (row) {
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// patch is already applied. skip!
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Logger.tag('database', 'migration').info('Patch already applied, skipping: %s', file);
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return
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}
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const sql = 'BEGIN TRANSACTION;\n' +
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contents.toString() + '\n' +
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'INSERT INTO schema_version (version) VALUES (\'' + version + '\');\n' +
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'END TRANSACTION;';
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await db.exec(sql);
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Logger.tag('database', 'migration').info('Patch successfully applied: %s', file);
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}
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async function applyMigrations(db: sqlite.Database): Promise<void> {
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Logger.tag('database', 'migration').info('Migrating database...');
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const sql = 'BEGIN TRANSACTION; CREATE TABLE IF NOT EXISTS schema_version (\n' +
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' version VARCHAR(255) PRIMARY KEY ASC,\n' +
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' applied_at DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL\n' +
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'); END TRANSACTION;';
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await db.exec(sql);
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const files = await pglob(__dirname + '/patches/*.sql');
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for (const file of files) {
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await applyPatch(db, file)
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}
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}
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export async function init(): Promise<void> {
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const file = config.server.databaseFile;
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Logger.tag('database').info('Setting up database: %s', file);
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let db: sqlite.Database;
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try {
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db = await sqlite.open(file);
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}
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catch (error) {
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Logger.tag('database').error('Error initialzing database:', error);
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throw error;
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}
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db.on('profile', (sql, time) => Logger.tag('database').profile('[%sms]\t%s', time, sql));
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try {
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await applyMigrations(db);
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}
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catch (error) {
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Logger.tag('database').error('Error migrating database:', error);
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throw error;
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}
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await db.close()
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}
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Logger.tag('database').info('Setting up legacy database: %s', config.server.databaseFile);
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let legacyDB: sqlite3.Database;
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try {
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legacyDB = new sqlite3.Database(config.server.databaseFile);
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}
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catch (error) {
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Logger.tag('database').error('Error initialzing legacy database lib:', error);
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throw error;
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}
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export const db = legacyDB;
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