u

src/api/routes/article/media.js

@@ -14,6 +14,7 @@ import {
     parseFullHash,
     articleErrorStatus,
     interpolateString,
+    withMandatedOptionsPrice,
     interpolateObjects,
 } from './shared.js';
 
@@ -408,7 +409,7 @@ export function register(app, basePath = '') {
             let article;
             try {
                 const result = await db.getBySku(req.user.id, sku);
-                article = result?.article;
+                article = result?.article ? await withMandatedOptionsPrice(req.user.id, result.article) : undefined;
             } catch (err) {
                 const status = articleErrorStatus(err);
                 if (status === 500) console.error('Get article by sku failed for print:', err);

src/api/routes/article/shared.js

@@ -1,4 +1,5 @@
 import { emit } from '../../sse.js';
+import * as articleDb from '../../../db/article.js';
 
 // #region Helpers
 
@@ -127,6 +128,48 @@ export function formatPrice(amount) {
     return CURRENCY_FORMATTER.format(Number(amount));
 }
 
+const BASEPRICE_FORMATTER = new Intl.NumberFormat('de-DE', {
+    minimumFractionDigits: 2,
+    maximumFractionDigits: 2,
+});
+
+/** Formats the price per base unit, e.g. "€ 4,05 / L". Empty when unit data or price is missing. */
+export function formatBasePrice(grossRaw, article) {
+    const unit = article?.unit;
+    const unitamount = Number(article?.unitamount);
+    const factor = Number(unit?.basesifactor);
+    if (grossRaw == null || !unit?.basesi || !(unitamount > 0) || !(factor > 0)) return '';
+    const baseAmount = unitamount * factor;
+    // Price per base unit equals the price itself: nothing to add.
+    if (Math.abs(baseAmount - 1) < 1e-9) return '';
+    const perBase = grossRaw / baseAmount;
+    const label = factor === 1 && unit.symbol ? unit.symbol : unit.basesi;
+    return `€ ${BASEPRICE_FORMATTER.format(perBase)} / ${label}`;
+}
+
+function grossOf(price) {
+    const net = Number(price?.net);
+    if (price?.net == null || !Number.isFinite(net)) return null;
+    const tax = Number(price.taxRate);
+    return net * (1 + (Number.isFinite(tax) ? tax : 0) / 100);
+}
+
+/**
+ * Returns the article with `mandatedOptionsGross` set to the summed gross price
+ * (price × count) of its mandated options, for label placeholders.
+ */
+export async function withMandatedOptionsPrice(userId, article) {
+    const mandated = Array.isArray(article?.options) ? article.options.filter((o) => o.mandated) : [];
+    if (mandated.length === 0) return article;
+    let extra = 0;
+    for (const opt of mandated) {
+        const result = await articleDb.getBySku(userId, opt.sku);
+        const gross = grossOf(result?.article?.prices?.[0]);
+        if (gross != null) extra += gross * (Number(opt.count) || 1);
+    }
+    return { ...article, mandatedOptionsGross: extra };
+}
+
 export function interpolateString(str, article) {
     if (typeof str !== 'string') return str;
     const basePrice = Array.isArray(article?.prices) && article.prices.length > 0
@@ -138,12 +181,15 @@ export function interpolateString(str, article) {
     const taxRate = basePrice?.taxRate != null && Number.isFinite(Number(basePrice.taxRate))
         ? Number(basePrice.taxRate)
         : 0;
-    const gross = net != null
+    const extra = Number(article?.mandatedOptionsGross) || 0;
-        ? Math.round((net * (1 + taxRate / 100) + Number.EPSILON) * 100) / 100
+    const grossRaw = net != null ? net * (1 + taxRate / 100) + extra : null;
+    const gross = grossRaw != null
+        ? Math.round((grossRaw + Number.EPSILON) * 100) / 100
         : null;
 
     return str
         .replace(/\{\{name\}\}/gi, article?.name || '')
+        .replace(/\{\{baseprice\}\}/gi, formatBasePrice(grossRaw, article))
         .replace(/\{\{price\}\}/gi, formatPrice(gross));
 }
 

src/api/routes/labeltemplate.js

@@ -8,7 +8,7 @@ import { pngToZpl } from '../../services/zplService.js';
 import { notifyAgentJob } from '../agent/index.js';
 import { emit } from '../sse.js';
 import { applyZplCopies } from './zpljob.js';
-import { interpolateString, interpolateObjects } from './article/shared.js';
+import { interpolateString, interpolateObjects, withMandatedOptionsPrice } from './article/shared.js';
 
 // #region Helpers
 
@@ -102,7 +102,7 @@ export function register(app, basePath = '') {
                 const skuStr = String(req.query.sku).trim();
                 const result = await articleDb.getBySku(req.user.id, skuStr);
                 if (result?.article) {
-                    article = result.article;
+                    article = await withMandatedOptionsPrice(req.user.id, result.article);
                 }
             }
 
@@ -220,7 +220,7 @@ export function register(app, basePath = '') {
                             : null;
                     if (objects && objects.length > 0) {
                         try {
-                            const interpolated = interpolateObjects(objects, result.article);
+                            const interpolated = interpolateObjects(objects, await withMandatedOptionsPrice(req.user.id, result.article));
                             const thumbBuffer = await renderThumb({
                                 width: template.width,
                                 height: template.height,
@@ -655,7 +655,7 @@ export function register(app, basePath = '') {
                 if (!result?.article) {
                     return res.status(404).json({ error: 'Article not found' });
                 }
-                article = result.article;
+                article = await withMandatedOptionsPrice(req.user.id, result.article);
             } else {
                 article = {
                     name: template?.name || 'Musterartikel',