99 lines
2.8 KiB
JavaScript
99 lines
2.8 KiB
JavaScript
module.exports = class DatabaseInfo {
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/**
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* @param {import('knex')} knex
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*/
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constructor(knex) {
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this._knex = knex;
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this._client = this._knex.client;
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this._driver = this._client.config.client;
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this._databaseDetails = {
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// The underlying driver that `knex` uses
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// ie. `sqlite3`, `mysql` or `mysql2`
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driver: this._driver,
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// A capitalized version of the specific database used
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database: 'unknown',
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// A slugified version of the `database`
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engine: 'unknown',
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// The version of the database used
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version: 'unknown'
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};
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}
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async init() {
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switch (this._driver) {
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case 'sqlite3':
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this._databaseDetails.database = 'SQLite';
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this._databaseDetails.engine = 'sqlite3';
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this._databaseDetails.version = this._client.driver.VERSION;
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break;
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case 'mysql':
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case 'mysql2':
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try {
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const version = await this._knex.raw('SELECT version() as version;');
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const mysqlVersion = version[0][0].version;
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if (mysqlVersion.includes('MariaDB')) {
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this._databaseDetails.database = 'MariaDB';
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this._databaseDetails.engine = 'mariadb';
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this._databaseDetails.version = mysqlVersion.split('-')[0];
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} else {
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this._databaseDetails.database = 'MySQL';
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if (mysqlVersion.startsWith('5')) {
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this._databaseDetails.engine = 'mysql5';
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} else if (mysqlVersion.startsWith('8')) {
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this._databaseDetails.engine = 'mysql8';
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} else {
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this._databaseDetails.engine = 'mysql';
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}
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this._databaseDetails.version = mysqlVersion;
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}
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} catch (err) {
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return this._databaseDetails;
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}
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break;
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default:
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// This driver isn't supported so we should just leave the return
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// object alone with the "unknown" strings
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break;
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}
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return this._databaseDetails;
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}
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getDriver() {
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return this._databaseDetails.driver;
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}
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getDatabase() {
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return this._databaseDetails.database;
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}
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getEngine() {
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return this._databaseDetails.engine;
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}
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getVersion() {
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return this._databaseDetails.version;
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}
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/**
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* Returns if the driver used is for SQLite
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*/
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isSQLite() {
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return ['sqlite3'].includes(this._driver);
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}
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/**
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* Returns if the driver used is for MySQL
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*/
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isMySQL() {
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return ['mysql', 'mysql2'].includes(this._driver);
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}
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};
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