mock backend

assets/js/main.js

@@ -41,4 +41,79 @@ document.addEventListener('DOMContentLoaded', function () {
         ].join('');
         alertContainer.append(wrapper);
     }
+
+    // --- Search Functionality ---
+    const searchForm = document.getElementById('searchForm');
+    if (searchForm) {
+        const searchInput = document.getElementById('searchInput');
+        const searchButton = document.getElementById('searchButton');
+        const searchResultsSection = document.getElementById('searchResults');
+        const resultsContainer = document.getElementById('resultsContainer');
+        const noResults = document.getElementById('noResults');
+
+        searchForm.addEventListener('submit', function(e) {
+            e.preventDefault();
+            const query = searchInput.value.trim();
+
+            if (query === '') {
+                return;
+            }
+
+            // Show loading state
+            searchButton.disabled = true;
+            searchButton.innerHTML = '<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> Searching...';
+            resultsContainer.innerHTML = '';
+            noResults.style.display = 'none';
+            searchResultsSection.style.display = 'block';
+
+            fetch(`search.php?q=${encodeURIComponent(query)}`)
+                .then(response => {
+                    if (!response.ok) {
+                        throw new Error('Network response was not ok');
+                    }
+                    return response.json();
+                })
+                .then(data => {
+                    if (data.length > 0) {
+                        displayResults(data);
+                    } else {
+                        noResults.style.display = 'block';
+                    }
+                })
+                .catch(error => {
+                    console.error('Search error:', error);
+                    resultsContainer.innerHTML = '<p class="text-danger text-center">An error occurred while searching. Please try again.</p>';
+                })
+                .finally(() => {
+                    // Restore button state
+                    searchButton.disabled = false;
+                    searchButton.innerHTML = 'Search';
+                });
+        });
+
+        function displayResults(products) {
+            products.forEach(product => {
+                const pricesHtml = product.prices.map(p => `
+                    <li class="list-group-item d-flex justify-content-between align-items-center">
+                        ${p.retailer}
+                        <span class="badge bg-primary rounded-pill">R ${parseFloat(p.price).toFixed(2)}</span>
+                    </li>
+                `).join('');
+
+                const productCard = `
+                    <div class="col-md-6 col-lg-4">
+                        <div class="card h-100">
+                            <div class="card-body">
+                                <h5 class="card-title">${product.name}</h5>
+                                <ul class="list-group list-group-flush">
+                                    ${pricesHtml}
+                                </ul>
+                            </div>
+                        </div>
+                    </div>
+                `;
+                resultsContainer.innerHTML += productCard;
+            });
+        }
+    }
 });

db/migrate.php

@@ -0,0 +1,70 @@
+<?php
+// Simple, idempotent migration and seeding script.
+
+require_once __DIR__ . '/config.php';
+
+function run_migrations(PDO $pdo): void
+{
+    $migrationsDir = __DIR__ . '/migrations';
+    if (!is_dir($migrationsDir)) {
+        echo "Migrations directory not found.\n";
+        return;
+    }
+
+    $files = glob($migrationsDir . '/*.sql');
+    sort($files);
+
+    foreach ($files as $file) {
+        echo "Running migration: " . basename($file) . "...\n";
+        $sql = file_get_contents($file);
+        if ($sql === false) {
+            echo "Failed to read migration file: " . basename($file) . "\n";
+            continue;
+        }
+        try {
+            $pdo->exec($sql);
+            echo "Success.\n";
+        } catch (PDOException $e) {
+            echo "Error running migration " . basename($file) . ": " . $e->getMessage() . "\n";
+        }
+    }
+}
+
+function seed_data(PDO $pdo): void
+{
+    $products = [
+        ['name' => 'Milk 1L', 'retailer' => 'Pick n Pay', 'price' => 25.99],
+        ['name' => 'Milk 1L', 'retailer' => 'Checkers', 'price' => 24.99],
+        ['name' => 'Bread (White)', 'retailer' => 'Pick n Pay', 'price' => 15.50],
+        ['name' => 'Bread (White)', 'retailer' => 'Checkers', 'price' => 14.99],
+        ['name' => 'Eggs (12 pack)', 'retailer' => 'Pick n Pay', 'price' => 32.00],
+        ['name' => 'Eggs (12 pack)', 'retailer' => 'Checkers', 'price' => 31.50],
+        ['name' => 'Cheese (250g)', 'retailer' => 'Pick n Pay', 'price' => 55.00],
+        ['name' => 'Cheese (250g)', 'retailer' => 'Checkers', 'price' => 52.99],
+    ];
+
+    $stmt = $pdo->prepare(
+        'INSERT INTO products (name, retailer, price) VALUES (:name, :retailer, :price)
+         ON DUPLICATE KEY UPDATE price = VALUES(price)'
+    );
+
+    echo "\nSeeding data...\n";
+    foreach ($products as $product) {
+        try {
+            $stmt->execute($product);
+            echo "Seeded/Updated: " . $product['name'] . " (" . $product['retailer'] . ")\n";
+        } catch (PDOException $e) {
+            echo "Error seeding " . $product['name'] . ": " . $e->getMessage() . "\n";
+        }
+    }
+    echo "Seeding complete.\n";
+}
+
+try {
+    $pdo = db();
+    run_migrations($pdo);
+    seed_data($pdo);
+    echo "\nDatabase setup complete!\n";
+} catch (PDOException $e) {
+    die("Database connection failed: " . $e->getMessage() . "\n");
+}

db/migrations/001_create_products_table.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS products (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    retailer VARCHAR(255) NOT NULL,
+    price DECIMAL(10, 2) NOT NULL,
+    last_updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    UNIQUE KEY `product_retailer` (`name`,`retailer`)
+);

index.php

@@ -5,12 +5,28 @@
     <div class="container">
         <h1>PricePal SA</h1>
         <p>Your smart shopping companion for comparing prices across South African retailers.</p>
-        <a href="#" class="btn btn-light btn-lg">
-            <i class="bi bi-google-play"></i> Download on Google Play
-        </a>
+        <form id="searchForm" class="mt-4">
+            <div class="input-group input-group-lg">
+                <input type="search" id="searchInput" class="form-control" placeholder="Search for a product (e.g., Milk, Bread...)" aria-label="Search for a product">
+                <button class="btn btn-primary" type="submit" id="searchButton">Search</button>
+            </div>
+        </form>
     </div>
 </header>
 
+<!-- Search Results Section -->
+<section id="searchResults" class="section" style="display: none;">
+    <div class="container">
+        <div class="text-center mb-5">
+            <h2>Search Results</h2>
+        </div>
+        <div id="resultsContainer" class="row g-4"></div>
+        <div id="noResults" class="text-center" style="display: none;">
+            <p class="lead">No products found matching your search.</p>
+        </div>
+    </div>
+</section>
+
 <!-- Features Section -->
 <section id="features" class="section">
     <div class="container">

search.php

@@ -0,0 +1,45 @@
+<?php
+header('Content-Type: application/json');
+
+require_once __DIR__ . '/db/config.php';
+
+$query = $_GET['q'] ?? '';
+
+if (empty($query)) {
+    echo json_encode([]);
+    exit;
+}
+
+try {
+    $pdo = db();
+
+    // Find all products matching the query
+    $stmt = $pdo->prepare(
+        'SELECT name, retailer, price FROM products WHERE name LIKE :query ORDER BY name, price'
+    );
+
+    $stmt->execute(['query' => '%' . $query . '%']);
+    $results = $stmt->fetchAll();
+
+    // Group prices by product name
+    $products = [];
+    foreach ($results as $row) {
+        if (!isset($products[$row['name']])) {
+            $products[$row['name']] = [
+                'name' => $row['name'],
+                'prices' => []
+            ];
+        }
+        $products[$row['name']]['prices'][] = [
+            'retailer' => $row['retailer'],
+            'price' => $row['price']
+        ];
+    }
+
+    // Return as a simple array of products
+    echo json_encode(array_values($products));
+
+} catch (PDOException $e) {
+    http_response_code(500);
+    echo json_encode(['error' => 'Database error: ' . $e->getMessage()]);
+}