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src/api/routes/categoryproperty.js

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+import * as db from '../../db/categoryproperty.js';
+import { emit } from '../sse.js';
+
+function requireSelectedCompany(req) {
+    const companyId = req.user?.selectedCompanyId;
+    if (companyId == null) {
+        return { error: 'No company selected' };
+    }
+    return { companyId };
+}
+
+function parsePositiveInt(value, field) {
+    const id = Number(value);
+    if (!Number.isInteger(id) || id <= 0) {
+        return { error: `${field} is required` };
+    }
+    return { id };
+}
+
+function emitCategorySignal(req) {
+    const companyId = req.user?.selectedCompanyId;
+    if (companyId == null) return;
+    emit('category', { companyId });
+}
+
+function categoryPropertyErrorStatus(error) {
+    if (error.message === 'No company selected') return 400;
+    if (error.message === 'Not authorized') return 403;
+    if (error.message === 'Company not found' || error.message === 'Category not found' || error.message === 'Parent not found') return 404;
+    if (error.message?.startsWith('Property not found')) return 404;
+    if (error.message?.includes('exclusive')) return 400;
+    if (error.message === 'Invalid properties array' || error.message === 'Invalid propertyId' || error.message === 'Duplicate propertyId') return 400;
+    return 500;
+}
+
+/**
+ * Registers categoryproperty routes under `/category/:id/property`.
+ * @param {import('express').Application} app
+ * @param {string} [basePath='']
+ */
+export function register(app, basePath = '') {
+    /**
+     * @openapi
+     * /category/{id}/property:
+     *   get:
+     *     tags: [Category]
+     *     summary: List category properties
+     *     description: Fetches all free-form properties set on a category.
+     *     security:
+     *       - cookieAuth: []
+     *     parameters:
+     *       - in: path
+     *         name: id
+     *         required: true
+     *         schema:
+     *           type: integer
+     *         description: Category ID
+     *     responses:
+     *       200:
+     *         description: List of properties for this category
+     *         content:
+     *           application/json:
+     *             schema:
+     *               type: object
+     *               properties:
+     *                 properties:
+     *                   type: array
+     *                   items:
+     *                     $ref: '#/components/schemas/CategoryProperty'
+     *   put:
+     *     tags: [Category]
+     *     summary: Bulk set category properties
+     *     description: Replaces all properties for a category.
+     *     security:
+     *       - cookieAuth: []
+     *     parameters:
+     *       - in: path
+     *         name: id
+     *         required: true
+     *         schema:
+     *           type: integer
+     *         description: Category ID
+     *     requestBody:
+     *       required: true
+     *       content:
+     *         application/json:
+     *           schema:
+     *             type: object
+     *             required: [properties]
+     *             properties:
+     *               properties:
+     *                 type: array
+     *                 items:
+     *                   type: object
+     *                   required: [propertyId, value]
+     *                   properties:
+     *                     propertyId:
+     *                       type: integer
+     *                     value:
+     *                       type: string
+     *                     sort:
+     *                       type: integer
+     *     responses:
+     *       200:
+     *         description: Updated category properties
+     *         content:
+     *           application/json:
+     *             schema:
+     *               type: object
+     *               properties:
+     *                 properties:
+     *                   type: array
+     *                   items:
+     *                     $ref: '#/components/schemas/CategoryProperty'
+     */
+    app.get(`${basePath}/category/:id/property`, async (req, res) => {
+        const selected = requireSelectedCompany(req);
+        if (selected.error) {
+            return res.status(400).json({ error: selected.error });
+        }
+
+        const idParsed = parsePositiveInt(req.params.id, 'categoryId');
+        if (idParsed.error) {
+            return res.status(400).json({ error: idParsed.error });
+        }
+
+        try {
+            const properties = await db.listByCategoryId(req.user.id, idParsed.id);
+            res.json({ properties });
+        } catch (error) {
+            res.status(categoryPropertyErrorStatus(error)).json({ error: error.message });
+        }
+    });
+
+    app.put(`${basePath}/category/:id/property`, async (req, res) => {
+        const selected = requireSelectedCompany(req);
+        if (selected.error) {
+            return res.status(400).json({ error: selected.error });
+        }
+
+        const idParsed = parsePositiveInt(req.params.id, 'categoryId');
+        if (idParsed.error) {
+            return res.status(400).json({ error: idParsed.error });
+        }
+
+        const propertiesInput = req.body?.properties ?? req.body;
+        if (!Array.isArray(propertiesInput)) {
+            return res.status(400).json({ error: 'properties array required' });
+        }
+
+        try {
+            const properties = await db.setByCategoryId(req.user.id, idParsed.id, propertiesInput);
+            emitCategorySignal(req);
+            res.json({ properties });
+        } catch (error) {
+            res.status(categoryPropertyErrorStatus(error)).json({ error: error.message });
+        }
+    });
+
+    /**
+     * @openapi
+     * /category/{id}/property/{propertyId}:
+     *   delete:
+     *     tags: [Category]
+     *     summary: Delete category property
+     *     description: Removes a single property from a category.
+     *     security:
+     *       - cookieAuth: []
+     *     parameters:
+     *       - in: path
+     *         name: id
+     *         required: true
+     *         schema:
+     *           type: integer
+     *       - in: path
+     *         name: propertyId
+     *         required: true
+     *         schema:
+     *           type: integer
+     *     responses:
+     *       200:
+     *         description: Deleted successfully
+     */
+    app.delete(`${basePath}/category/:id/property/:propertyId`, async (req, res) => {
+        const selected = requireSelectedCompany(req);
+        if (selected.error) {
+            return res.status(400).json({ error: selected.error });
+        }
+
+        const idParsed = parsePositiveInt(req.params.id, 'categoryId');
+        if (idParsed.error) {
+            return res.status(400).json({ error: idParsed.error });
+        }
+
+        try {
+            const propertyId = Number(req.params.propertyId);
+            await db.remove(req.user.id, idParsed.id, propertyId);
+            emitCategorySignal(req);
+            res.json({ ok: true });
+        } catch (error) {
+            res.status(categoryPropertyErrorStatus(error)).json({ error: error.message });
+        }
+    });
+}