export

src/api/routes/article.js

@@ -1,5 +1,8 @@
 import express from 'express';
+import JSZip from 'jszip';
 import * as db from '../../db/article.js';
+import * as picDb from '../../db/pic.js';
+import { buildArtikelCsv, toWindows1252 } from '../../util/artikelCsv.js';
 
 const AVIF_BODY_LIMIT = '20mb';
 const FULL_HASH_RE = /^[a-fA-F0-9]{64}$/;
@@ -138,6 +141,110 @@ export function register(app, basePath = '') {
         }
     });
 
+    /**
+     * @openapi
+     * /article/export.zip:
+     *   get:
+     *     tags: [Article]
+     *     summary: Export articles as ZIP
+     *     description: |
+     *       Builds an `artikel.zip` for the authenticated user's selected company.
+     *       `categoryId` (optional) restricts the export to that category and below;
+     *       it must be reachable via the company's root category. Defaults to the
+     *       whole company root tree.
+     *       The ZIP contains `artikel.csv` (semicolon-separated, Windows-1252)
+     *       plus one AVIF entry per article image, named `<fullHash>.avif`
+     *       (content-addressed, so shared hashes are deduplicated).
+     *     security:
+     *       - cookieAuth: []
+     *     parameters:
+     *       - in: query
+     *         name: categoryId
+     *         required: false
+     *         schema:
+     *           type: integer
+     *         description: Restrict export to this category subtree
+     *     responses:
+     *       200:
+     *         description: ZIP archive
+     *         content:
+     *           application/zip:
+     *             schema:
+     *               type: string
+     *               format: binary
+     *       400:
+     *         description: No company selected
+     *         content:
+     *           application/json:
+     *             schema:
+     *               $ref: '#/components/schemas/Error'
+     *       401:
+     *         description: Unauthorized
+     *         content:
+     *           application/json:
+     *             schema:
+     *               $ref: '#/components/schemas/Error'
+     *       403:
+     *         description: Not authorized
+     *         content:
+     *           application/json:
+     *             schema:
+     *               $ref: '#/components/schemas/Error'
+     *       404:
+     *         description: Company not found
+     *         content:
+     *           application/json:
+     *             schema:
+     *               $ref: '#/components/schemas/Error'
+     */
+    app.get(`${basePath}/article/export.zip`, async (req, res) => {
+        const companyId = req.user.selectedCompanyId;
+        if (companyId == null) {
+            return res.status(400).json({ error: 'No company selected' });
+        }
+
+        let categoryId = null;
+        if (req.query.categoryId != null && req.query.categoryId !== '') {
+            const parsed = parsePositiveInt(req.query.categoryId, 'categoryId');
+            if (parsed.error) {
+                return res.status(400).json({ error: parsed.error });
+            }
+            categoryId = parsed.id;
+        }
+
+        try {
+            const rows = await db.listExport(req.user.id, companyId, categoryId);
+
+            const csv = buildArtikelCsv(rows);
+
+            const zip = new JSZip();
+            zip.file('artikel.csv', toWindows1252(csv));
+
+            const seen = new Set();
+            for (const row of rows) {
+                for (const fullHash of row.fullHashes ?? []) {
+                    if (!fullHash || seen.has(fullHash)) continue;
+                    seen.add(fullHash);
+                    try {
+                        const { buffer } = await picDb.getImageByHash(req.user.id, fullHash);
+                        zip.file(`${fullHash}.avif`, buffer);
+                    } catch (error) {
+                        // Skip images this user cannot access; CSV already carries the hash.
+                    }
+                }
+            }
+
+            const content = await zip.generateAsync({ type: 'nodebuffer' });
+            res.setHeader('Content-Type', 'application/zip');
+            res.setHeader('Content-Disposition', 'attachment; filename="artikel.zip"');
+            res.status(200).send(content);
+        } catch (error) {
+            const status = articleErrorStatus(error);
+            if (status === 500) console.error('Export articles failed:', error);
+            res.status(status).json({ error: error.message });
+        }
+    });
+
     /**
      * @openapi
      * /article/{sku}: