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Dir : ~/home/u322583024/domains/awaha.in/public_html/

Edit File: add-to-cart.php

<?php
session_name('vaishnavi_awaha');
session_start();
header('Content-Type: application/json');

include 'admin/connection.inc.php';

if (!$conn) {
    die(json_encode(['success' => false, 'message' => 'Database connection failed']));
}

$input = file_get_contents("php://input");
$data = json_decode($input, true);

$product_id = $data['product_id'] ?? null;
$quantity = $data['quantity'] ?? 1;

if (!$product_id) {
    die(json_encode(['success' => false, 'message' => 'Product ID is missing']));
}

// Check if user is logged in
if (!isset($_SESSION['user_id'])) {
    echo json_encode(['redirect' => true, 'message' => 'User not logged in']);
    exit;
}

$user_id = $_SESSION['user_id'];

// Check if the product exists in the cart (even if soft-deleted)
$checkStmt = $conn->prepare("
    SELECT id, deleted_at 
    FROM cart 
    WHERE user_id = ? AND product_id = ?
");
$checkStmt->bind_param('ii', $user_id, $product_id);
$checkStmt->execute();
$result = $checkStmt->get_result();
$existingCartItem = $result->fetch_assoc();
$checkStmt->close();

if ($existingCartItem) {
    if ($existingCartItem['deleted_at'] === null) {
        // Update existing cart item if it's not soft-deleted
        $updateStmt = $conn->prepare("
            UPDATE cart 
            SET quantity = quantity + ?, added_on = NOW() 
            WHERE id = ?
        ");
        $updateStmt->bind_param('ii', $quantity, $existingCartItem['id']);
        if ($updateStmt->execute()) {
            echo json_encode(['success' => true, 'message' => 'Cart updated successfully']);
        } else {
            echo json_encode(['success' => false, 'message' => $updateStmt->error]);
        }
        $updateStmt->close();
    } else {
        // Reactivate the item by clearing the deleted_at field and updating quantity
        $reactivateStmt = $conn->prepare("
            UPDATE cart 
            SET deleted_at = NULL, quantity = ?, added_on = NOW() 
            WHERE id = ?
        ");
        $reactivateStmt->bind_param('ii', $quantity, $existingCartItem['id']);
        if ($reactivateStmt->execute()) {
            echo json_encode(['success' => true, 'message' => 'Cart item reactivated and updated']);
        } else {
            echo json_encode(['success' => false, 'message' => $reactivateStmt->error]);
        }
        $reactivateStmt->close();
    }
} else {
    // No existing cart item, create a new entry
    $insertStmt = $conn->prepare("
        INSERT INTO cart (user_id, product_id, quantity, added_on) 
        VALUES (?, ?, ?, NOW())
    ");
    $insertStmt->bind_param('iii', $user_id, $product_id, $quantity);
    if ($insertStmt->execute()) {
        echo json_encode(['success' => true, 'message' => 'Item added to cart']);
    } else {
        echo json_encode(['success' => false, 'message' => $insertStmt->error]);
    }
    $insertStmt->close();
}

$conn->close();
?>