Applicatie afmaken en GUI-flow herstellen

Voegt boodschappenlijsten, productbeheer, realtime synchronisatie en browsercache-updates toe. Herstelt login- en sessiegedrag en maakt database-seeding herhaalbaar.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

controllers/AuthController.js

@@ -19,11 +19,14 @@ class AuthController {
 
     async register(req, res) {
 
-        const {
-            name,
-            email,
-            password
-        } = req.body;
+        const name = (req.body.name || "").trim();
+        const email = (req.body.email || "").trim().toLowerCase();
+        const password = req.body.password || "";
+
+        if (name.length < 2 || !/^\S+@\S+\.\S+$/.test(email) || password.length < 8) {
+            req.flash("error", "Vul een naam, geldig e-mailadres en een wachtwoord van minimaal 8 tekens in.");
+            return res.redirect("/register");
+        }
 
 
         const existingUser = db.prepare(
@@ -97,10 +100,8 @@ class AuthController {
 
     async login(req, res) {
 
-        const {
-            email,
-            password
-        } = req.body;
+        const email = (req.body.email || "").trim().toLowerCase();
+        const password = req.body.password || "";
 
 
         const user = db.prepare(

controllers/ProductController.js

@@ -1,29 +1,50 @@
 const ProductService =
 require("../services/ProductService");
 
+const db = require("../config/database");
 
 class ProductController {
 
 
-    index(req,res) {
-
+    index(req, res) {
 
         const products =
         ProductService.getProducts();
 
+        const categories = db.prepare(
+            "SELECT * FROM categories ORDER BY name"
+        ).all();
 
         res.render(
             "products/index",
             {
-
                 title:"Producten",
-
-                products
-
+                products,
+                categories
             }
+
         );
 
+    }
 
+    create(req, res) {
+        const name = (req.body.name || "").trim();
+        const categoryId = req.body.category_id
+            ? Number.parseInt(req.body.category_id, 10)
+            : null;
+
+        if (!name || (categoryId !== null && !Number.isInteger(categoryId))) {
+            req.flash("error", "Geef een geldige productnaam en categorie op.");
+            return res.redirect("/products");
+        }
+
+        ProductService.createProduct({
+            name,
+            category_id: categoryId
+        });
+
+        req.flash("success", "Product toegevoegd.");
+        res.redirect("/products");
     }
 
 

controllers/ShoppingListController.js

@@ -0,0 +1,71 @@
+const ProductRepository = require("../repositories/ProductRepository");
+const ShoppingListRepository = require("../repositories/ShoppingListRepository");
+
+class ShoppingListController {
+    index(req, res) {
+        const lists = ShoppingListRepository.getByHousehold(req.user.household_id);
+        res.locals.title = "Boodschappenlijsten";
+        res.render("lists/index", { lists, user: req.user });
+    }
+
+    create(req, res) {
+        const name = (req.body.name || "").trim();
+        if (!name) {
+            req.flash("error", "Geef een lijstnaam op");
+            return res.redirect("/lists");
+        }
+        ShoppingListRepository.create(req.user.household_id, name);
+        req.flash("success", "Boodschappenlijst aangemaakt");
+        res.redirect("/lists");
+    }
+
+    show(req, res) {
+        const list = ShoppingListRepository.findById(req.params.id, req.user.household_id);
+        if (!list) return res.status(404).render("errors/404");
+        res.locals.title = list.name;
+        res.render("lists/show", {
+            list,
+            items: ShoppingListRepository.getItems(list.id),
+            products: ProductRepository.getAll(),
+            user: req.user
+        });
+    }
+
+    addItem(req, res) {
+        const list = ShoppingListRepository.findById(req.params.id, req.user.household_id);
+        const productId = Number.parseInt(req.body.product_id, 10);
+        const amount = Number.parseFloat(req.body.amount || "1");
+        const product = Number.isInteger(productId) ? ProductRepository.findById(productId) : null;
+        if (!list || !product || !Number.isFinite(amount) || amount <= 0) {
+            req.flash("error", "Ongeldig product of ongeldige hoeveelheid");
+            return res.redirect(`/lists/${req.params.id}`);
+        }
+        ShoppingListRepository.addItem(list.id, product.id, amount);
+        res.redirect(`/lists/${list.id}`);
+    }
+
+    toggleItem(req, res) {
+        const list = ShoppingListRepository.findById(req.params.id, req.user.household_id);
+        if (!list) return res.status(404).render("errors/404");
+        ShoppingListRepository.toggleItem(list.id, req.params.itemId);
+        this.broadcastUpdate(req, list.id);
+        res.redirect(`/lists/${list.id}`);
+    }
+
+    deleteItem(req, res) {
+        const list = ShoppingListRepository.findById(req.params.id, req.user.household_id);
+        if (!list) return res.status(404).json({ error: "Lijst niet gevonden" });
+        const result = ShoppingListRepository.deleteItem(list.id, req.params.itemId);
+        if (result.changes === 0) return res.status(404).json({ error: "Product niet gevonden" });
+        this.broadcastUpdate(req, list.id);
+        res.json({ success: true });
+    }
+
+    broadcastUpdate(req, listId) {
+        if (req.app.locals.io) {
+            req.app.locals.io.to(`list:${listId}`).emit("list:updated", { listId });
+        }
+    }
+}
+
+module.exports = new ShoppingListController();