92 lines
2.4 KiB
JavaScript
92 lines
2.4 KiB
JavaScript
const { db } = require('../database');
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const sql = require('mssql');
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let cachedConfig = null;
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let lastConfigLoad = 0;
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let pool = null;
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async function loadConfig() {
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return new Promise((resolve, reject) => {
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db.get('SELECT server, database, username, password FROM mssql_config WHERE id = 1', (err, row) => {
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if (err) {
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return reject(new Error('Fehler beim Lesen der MSSQL-Konfiguration: ' + err.message));
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}
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resolve(row || null);
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});
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});
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}
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async function getMssqlPool() {
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const now = Date.now();
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if (!cachedConfig || now - lastConfigLoad > 60 * 1000) {
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cachedConfig = await loadConfig();
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lastConfigLoad = now;
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}
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if (!cachedConfig || !cachedConfig.server || !cachedConfig.database || !cachedConfig.username || !cachedConfig.password) {
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throw new Error('MSSQL-Konfiguration ist unvollständig. Bitte im Adminbereich konfigurieren.');
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}
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if (pool && pool.connected) {
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return pool;
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}
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const config = {
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server: cachedConfig.server,
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database: cachedConfig.database,
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user: cachedConfig.username,
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password: cachedConfig.password,
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options: {
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encrypt: false,
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trustServerCertificate: true
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}
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};
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pool = await sql.connect(config);
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return pool;
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}
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async function searchProjectsByDescription(searchTerm) {
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const pool = await getMssqlPool();
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const request = pool.request();
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request.input('search', sql.NVarChar, `%${searchTerm}%`);
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// Datenbankname aus Konfiguration verwenden
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const dbName = cachedConfig && cachedConfig.database ? cachedConfig.database : null;
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if (!dbName) {
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throw new Error('MSSQL-Datenbankname ist nicht konfiguriert.');
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}
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const query = `
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SELECT TOP 25
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kk.Auftrag AS auftrag,
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kk.Proj AS proj,
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kk.Such AS such,
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kk.Knd AS knd,
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k.Bez AS bez
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FROM [${dbName}].dbo.KKOPF kk
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LEFT JOIN [${dbName}].dbo.KUNDE k ON kk.Knd = k.Knd
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WHERE kk.Proj LIKE @search
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OR kk.Auftrag LIKE @search
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OR kk.Such LIKE @search
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OR k.Bez LIKE @search
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ORDER BY kk.ErfTerm DESC
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`;
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const result = await request.query(query);
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return result.recordset || [];
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}
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async function testMssqlConnection() {
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const pool = await getMssqlPool();
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await pool.request().query('SELECT TOP 1 1 AS ok');
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return true;
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}
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module.exports = {
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getMssqlPool,
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searchProjectsByDescription,
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testMssqlConnection
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};
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