Add category edit action

backend/services/catalogService.js

@@ -110,6 +110,33 @@ const createCategory = async ({ name, description }) => {
     return mapCategory(result.rows[0]);
 };
 
+const updateCategory = async (id, { name, description }) => {
+    const normalizedId = Number(id);
+    const normalizedName = normalizeText(name);
+    if (!normalizedId || !normalizedName) {
+        const error = new Error('Nome da categoria é obrigatório.');
+        error.statusCode = 400;
+        throw error;
+    }
+
+    const result = await pool.query(`
+        UPDATE catalog_categories
+        SET name = $1,
+            description = $2,
+            updated_at = CURRENT_TIMESTAMP
+        WHERE id = $3
+        RETURNING id, name, description, created_at, updated_at
+    `, [normalizedName, normalizeText(description) || null, normalizedId]);
+
+    if (!result.rows.length) {
+        const error = new Error('Categoria não encontrada.');
+        error.statusCode = 404;
+        throw error;
+    }
+
+    return mapCategory(result.rows[0]);
+};
+
 const deleteCategory = async (id) => {
     await pool.query('DELETE FROM catalog_categories WHERE id = $1', [id]);
 };
@@ -272,5 +299,6 @@ module.exports = {
     getCatalogSummary,
     listCategories,
     listConsumptionReferences,
-    listProducts
+    listProducts,
+    updateCategory
 };