new features
This commit is contained in:
Matthias Hochmeister
323
backend/src/services/shop.service.ts
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323
backend/src/services/shop.service.ts
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import pool from '../config/database';
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import logger from '../utils/logger';
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// ---------------------------------------------------------------------------
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// Catalog Items (shop_artikel)
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// ---------------------------------------------------------------------------
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async function getItems(filters?: { kategorie?: string; aktiv?: boolean }) {
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const conditions: string[] = [];
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const params: unknown[] = [];
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if (filters?.kategorie) {
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params.push(filters.kategorie);
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conditions.push(`kategorie = $${params.length}`);
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}
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if (filters?.aktiv !== undefined) {
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params.push(filters.aktiv);
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conditions.push(`aktiv = $${params.length}`);
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}
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const where = conditions.length > 0 ? `WHERE ${conditions.join(' AND ')}` : '';
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const result = await pool.query(
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`SELECT * FROM shop_artikel ${where} ORDER BY kategorie, bezeichnung`,
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params,
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);
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return result.rows;
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}
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async function getItemById(id: number) {
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const result = await pool.query('SELECT * FROM shop_artikel WHERE id = $1', [id]);
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return result.rows[0] || null;
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}
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async function createItem(
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data: {
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bezeichnung: string;
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beschreibung?: string;
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kategorie?: string;
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geschaetzte_kosten?: number;
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url?: string;
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aktiv?: boolean;
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},
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userId: string,
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) {
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const result = await pool.query(
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`INSERT INTO shop_artikel (bezeichnung, beschreibung, kategorie, geschaetzte_kosten, url, aktiv, erstellt_von)
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VALUES ($1, $2, $3, $4, $5, COALESCE($6, true), $7)
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RETURNING *`,
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[data.bezeichnung, data.beschreibung || null, data.kategorie || null, data.geschaetzte_kosten || null, data.url || null, data.aktiv ?? true, userId],
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);
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return result.rows[0];
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}
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async function updateItem(
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id: number,
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data: {
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bezeichnung?: string;
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beschreibung?: string;
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kategorie?: string;
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geschaetzte_kosten?: number;
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url?: string;
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aktiv?: boolean;
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},
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userId: string,
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) {
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const fields: string[] = [];
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const params: unknown[] = [];
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if (data.bezeichnung !== undefined) {
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params.push(data.bezeichnung);
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fields.push(`bezeichnung = $${params.length}`);
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}
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if (data.beschreibung !== undefined) {
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params.push(data.beschreibung);
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fields.push(`beschreibung = $${params.length}`);
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}
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if (data.kategorie !== undefined) {
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params.push(data.kategorie);
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fields.push(`kategorie = $${params.length}`);
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}
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if (data.geschaetzte_kosten !== undefined) {
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params.push(data.geschaetzte_kosten);
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fields.push(`geschaetzte_kosten = $${params.length}`);
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}
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if (data.url !== undefined) {
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params.push(data.url);
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fields.push(`url = $${params.length}`);
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}
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if (data.aktiv !== undefined) {
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params.push(data.aktiv);
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fields.push(`aktiv = $${params.length}`);
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}
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if (fields.length === 0) {
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return getItemById(id);
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}
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params.push(userId);
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fields.push(`aktualisiert_von = $${params.length}`);
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params.push(new Date());
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fields.push(`aktualisiert_am = $${params.length}`);
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params.push(id);
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const result = await pool.query(
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`UPDATE shop_artikel SET ${fields.join(', ')} WHERE id = $${params.length} RETURNING *`,
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params,
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);
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return result.rows[0] || null;
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}
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async function deleteItem(id: number) {
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await pool.query('DELETE FROM shop_artikel WHERE id = $1', [id]);
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}
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async function getCategories() {
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const result = await pool.query(
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'SELECT DISTINCT kategorie FROM shop_artikel WHERE kategorie IS NOT NULL ORDER BY kategorie',
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);
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return result.rows.map((r: { kategorie: string }) => r.kategorie);
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}
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// ---------------------------------------------------------------------------
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// Requests (shop_anfragen)
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// ---------------------------------------------------------------------------
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async function getRequests(filters?: { status?: string; anfrager_id?: string }) {
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const conditions: string[] = [];
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const params: unknown[] = [];
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if (filters?.status) {
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params.push(filters.status);
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conditions.push(`a.status = $${params.length}`);
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}
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if (filters?.anfrager_id) {
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params.push(filters.anfrager_id);
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conditions.push(`a.anfrager_id = $${params.length}`);
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}
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const where = conditions.length > 0 ? `WHERE ${conditions.join(' AND ')}` : '';
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const result = await pool.query(
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`SELECT a.*,
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u.vorname || ' ' || u.nachname AS anfrager_name,
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u2.vorname || ' ' || u2.nachname AS bearbeitet_von_name,
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(SELECT COUNT(*)::int FROM shop_anfrage_positionen p WHERE p.anfrage_id = a.id) AS positionen_count
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FROM shop_anfragen a
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LEFT JOIN users u ON u.id = a.anfrager_id
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LEFT JOIN users u2 ON u2.id = a.bearbeitet_von
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${where}
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ORDER BY a.erstellt_am DESC`,
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params,
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);
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return result.rows;
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}
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async function getMyRequests(userId: string) {
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const result = await pool.query(
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`SELECT a.*,
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(SELECT COUNT(*)::int FROM shop_anfrage_positionen p WHERE p.anfrage_id = a.id) AS positionen_count
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FROM shop_anfragen a
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WHERE a.anfrager_id = $1
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ORDER BY a.erstellt_am DESC`,
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[userId],
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);
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return result.rows;
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}
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async function getRequestById(id: number) {
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const reqResult = await pool.query(
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`SELECT a.*,
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u.vorname || ' ' || u.nachname AS anfrager_name,
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u2.vorname || ' ' || u2.nachname AS bearbeitet_von_name
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FROM shop_anfragen a
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LEFT JOIN users u ON u.id = a.anfrager_id
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LEFT JOIN users u2 ON u2.id = a.bearbeitet_von
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WHERE a.id = $1`,
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[id],
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);
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if (reqResult.rows.length === 0) return null;
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const positionen = await pool.query(
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`SELECT p.*, sa.bezeichnung AS artikel_bezeichnung, sa.kategorie AS artikel_kategorie
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FROM shop_anfrage_positionen p
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LEFT JOIN shop_artikel sa ON sa.id = p.artikel_id
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WHERE p.anfrage_id = $1
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ORDER BY p.id`,
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[id],
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);
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const bestellungen = await pool.query(
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`SELECT b.*
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FROM shop_anfrage_bestellung ab
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JOIN bestellungen b ON b.id = ab.bestellung_id
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WHERE ab.anfrage_id = $1`,
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[id],
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);
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return {
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...reqResult.rows[0],
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positionen: positionen.rows,
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bestellungen: bestellungen.rows,
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};
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}
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async function createRequest(
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userId: string,
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items: { artikel_id?: number; bezeichnung: string; menge: number; notizen?: string }[],
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notizen?: string,
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) {
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const client = await pool.connect();
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try {
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await client.query('BEGIN');
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const anfrageResult = await client.query(
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`INSERT INTO shop_anfragen (anfrager_id, notizen)
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VALUES ($1, $2)
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RETURNING *`,
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[userId, notizen || null],
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);
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const anfrage = anfrageResult.rows[0];
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for (const item of items) {
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let bezeichnung = item.bezeichnung;
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// If artikel_id is provided, copy bezeichnung from catalog
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if (item.artikel_id) {
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const artikelResult = await client.query(
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'SELECT bezeichnung FROM shop_artikel WHERE id = $1',
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[item.artikel_id],
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);
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if (artikelResult.rows.length > 0) {
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bezeichnung = artikelResult.rows[0].bezeichnung;
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}
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}
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await client.query(
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`INSERT INTO shop_anfrage_positionen (anfrage_id, artikel_id, bezeichnung, menge, notizen)
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VALUES ($1, $2, $3, $4, $5)`,
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[anfrage.id, item.artikel_id || null, bezeichnung, item.menge, item.notizen || null],
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);
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}
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await client.query('COMMIT');
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return getRequestById(anfrage.id);
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} catch (error) {
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await client.query('ROLLBACK');
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logger.error('shopService.createRequest failed', { error });
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throw error;
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} finally {
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client.release();
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}
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}
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async function updateRequestStatus(
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id: number,
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status: string,
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adminNotizen?: string,
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bearbeitetVon?: string,
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) {
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const result = await pool.query(
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`UPDATE shop_anfragen
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SET status = $1,
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admin_notizen = COALESCE($2, admin_notizen),
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bearbeitet_von = COALESCE($3, bearbeitet_von),
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bearbeitet_am = NOW()
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WHERE id = $4
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RETURNING *`,
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[status, adminNotizen || null, bearbeitetVon || null, id],
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);
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return result.rows[0] || null;
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}
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async function deleteRequest(id: number) {
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await pool.query('DELETE FROM shop_anfragen WHERE id = $1', [id]);
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}
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// ---------------------------------------------------------------------------
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// Linking (shop_anfrage_bestellung)
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// ---------------------------------------------------------------------------
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async function linkToOrder(anfrageId: number, bestellungId: number) {
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await pool.query(
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`INSERT INTO shop_anfrage_bestellung (anfrage_id, bestellung_id)
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VALUES ($1, $2)
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ON CONFLICT DO NOTHING`,
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[anfrageId, bestellungId],
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);
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}
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async function unlinkFromOrder(anfrageId: number, bestellungId: number) {
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await pool.query(
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'DELETE FROM shop_anfrage_bestellung WHERE anfrage_id = $1 AND bestellung_id = $2',
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[anfrageId, bestellungId],
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);
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}
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async function getLinkedOrders(anfrageId: number) {
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const result = await pool.query(
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`SELECT b.*
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FROM shop_anfrage_bestellung ab
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JOIN bestellungen b ON b.id = ab.bestellung_id
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WHERE ab.anfrage_id = $1`,
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[anfrageId],
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);
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return result.rows;
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}
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export default {
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getItems,
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getItemById,
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createItem,
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updateItem,
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deleteItem,
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getCategories,
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getRequests,
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getMyRequests,
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getRequestById,
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createRequest,
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updateRequestStatus,
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deleteRequest,
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linkToOrder,
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unlinkFromOrder,
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getLinkedOrders,
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};
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