export

src/util/artikelCsv.js

@@ -0,0 +1,70 @@
+function csvField(value) {
+    const text = value == null ? '' : String(value);
+    return /[";\n\r]/.test(text) ? `"${text.replace(/"/g, '""')}"` : text;
+}
+
+const COLUMNS = [
+    'FullHash',
+    'Id',
+    'SKU',
+    'Name',
+    'Slug',
+    'Einheit',
+    'EinheitSymbol',
+    'Menge',
+    'Marke',
+    'Netto',
+    'MwSt',
+    'EANs',
+    'Kategorien',
+    'KategorienPfad',
+];
+
+function formatNumber(value) {
+    if (value == null || Number.isNaN(Number(value))) return '';
+    return String(value);
+}
+
+/**
+ * Build artikel.csv from the article export rows returned by `listExport`.
+ * Rows are sorted by Id (server-side ORDER BY a.id). Semicolon separated with a
+ * `sep=;` hint; Windows-1252 encoding is applied in the route via toWindows1252.
+ */
+export function buildArtikelCsv(rows) {
+    if (!Array.isArray(rows) || rows.length === 0) return '';
+
+    const lines = [
+        'sep=;',
+        COLUMNS.map(csvField).join(';'),
+        ...rows.map((row) =>
+            [
+                csvField((row.fullHashes ?? []).join(', ')),
+                csvField(row.id),
+                csvField(row.sku),
+                csvField(row.name ?? ''),
+                csvField(row.slug ?? ''),
+                csvField(row.unitSi ?? ''),
+                csvField(row.unitSymbol ?? ''),
+                csvField(row.unitamount),
+                csvField(row.brandName ?? ''),
+                formatNumber(row.net),
+                formatNumber(row.taxRate),
+                csvField((row.eans ?? []).join(', ')),
+                csvField((row.categoryIds ?? []).join(', ')),
+                csvField((row.categoryBreadcrumbs ?? []).join(', ')),
+            ].join(';'),
+        ),
+    ];
+
+    return lines.join('\r\n');
+}
+
+/** Encode a string as Windows-1252 bytes (single-byte; out-of-range → '?'). */
+export function toWindows1252(str) {
+    const bytes = Buffer.alloc(str.length);
+    for (let i = 0; i < str.length; i++) {
+        const code = str.charCodeAt(i);
+        bytes[i] = code <= 0xff ? code : 0x3f; // '?'
+    }
+    return bytes;
+}