Add a product page

src/app/controllers/ProductController.php

@@ -14,4 +14,29 @@ public function viewProducts() {
         $products = $this->productModel->getAll();
         require_once __DIR__ . "/../views/products.php";
     }
+
+    public function viewSingleProduct() {
+        if($_SERVER['REQUEST_METHOD'] !== 'GET') {
+            header('Location: /products');
+            exit;
+        }
+
+        $id = isset($_GET['id']) ? $_GET['id'] : null;
+
+        if(!$id) {
+            header('Location: /products');
+            exit;
+        }
+
+        $product = $this->productModel->getById($id);
+
+        if(!$product) {
+            header('Location: /products');
+            exit;
+        }
+
+        $title = $product->name;
+
+        require_once __DIR__ . "/../views/product.php";
+    }
 }

src/app/models/Product.php

@@ -11,7 +11,7 @@ public function __construct(PDO $dbConnection) {
 
     public function create($id, $name, $description, $price, $supplier_id) {
         $query = "INSERT INTO product (id, name, description, prince, supplier_id)
-            VALUES (:id, :name, :description, :price, :supplier_id)";
+            VALUES (:id, :name, :description, :price, :supplier_id);";
 
         $stmt = $this->conn->prepare($query);
         $stmt->bindValue(":id", $id);
@@ -24,11 +24,26 @@ public function create($id, $name, $description, $price, $supplier_id) {
     }
 
     public function getAll() {
-        $query = "SELECT * FROM product";
+        $query = "SELECT * FROM product;";
 
         $stmt = $this->conn->prepare($query);
 
         $stmt->execute();
         return $stmt->fetchAll(PDO::FETCH_OBJ);
     }
+
+    public function getById($id) {
+        $query = "SELECT product.*, c.name AS category_name,
+          s.name AS supplier_name, s.email AS supplier_email,
+          s.phone AS supplier_phone
+          FROM product 
+          INNER JOIN product_to_category ptc ON product.id = ptc.product_id 
+          INNER JOIN product_category c ON ptc.category_id = c.id
+          INNER JOIN supplier s ON product.supplier_id = s.id 
+          WHERE product.id = :id;";
+        $stmt = $this->conn->prepare($query);
+
+        $stmt->execute(['id' => $id]);
+        return $stmt->fetch(PDO::FETCH_OBJ);
+    }
 }

src/app/views/product.php

@@ -0,0 +1,22 @@
+<?php include 'partials/header.php'; ?>
+
+<div>
+    <?php
+        echo "<h1>". $product->name . "</h1>";
+        echo "<p>Price: " . $product->price . "€</p>";
+        echo "<p>Description: " . $product->description . "</p>";
+        echo "<p>Category: " . $product->category_name . "</p>";
+
+        if($product->supplier_name 
+            && $product->supplier_phone
+            && $product->supplier_email) {
+
+        echo "<p>Supplier: " 
+            . $product->supplier_name 
+            . " - " . $product->supplier_email 
+            . " - " . $product->supplier_phone 
+            . "</p>";
+        }
+    ?>
+</div>
+<?php include 'partials/footer.php'; ?>

src/app/views/products.php

@@ -7,15 +7,7 @@
 
     foreach ($products as $product) {
         echo "<div>
-            <p>" . $product->name . " - " . $product->price . "€</p>
-
-<!--
-            <form method='POST' action='index.php'>
-                <input type='hidden' name='product_id' value='" . $product->id . "'>
-                <button type='submit' name='action' value='add'>Add to Cart</button>
-                <button type='submit' name='action' value='remove'>Remove one</button>
-            </form>
--->
+            <p><a href='/product?id=" . $product->id . "'>" . $product->name . "</a> - " . $product->price . "€</p>
           </div>";
     }
     ?>

src/routes/web.php

@@ -7,7 +7,8 @@
         '/sign-out'         => ['AuthController', 'signOut'],
         '/account'          => ['AuthController', 'viewAccount'],
         '/account-data'     => ['AuthController', 'getAccountData'],
-        '/products'         => ['ProductController', 'viewProducts']
+        '/products'         => ['ProductController', 'viewProducts'],
+        '/product'          => ['ProductController', 'viewSingleProduct'],
     ],
     'POST' => [
         '/sign-in'          => ['AuthController', 'signIn'],