dship.php

<?php
/*
Plugin Name: Automated Dropshipping System
Description: Automates dropshipping order placement and inventory management.
Version: 1.0
Author: BLACKBOXAI
*/

// Exit if accessed directly
if ( !defined('ABSPATH') ) exit;

// Hook to add admin menu
add_action('admin_menu', 'ads_add_admin_menu');
function ads_add_admin_menu() {
    add_menu_page('Dropshipping System', 'Dropshipping System', 'manage_options', 'ads_main_menu', 'ads_main_page', 'dashicons-cart', 6);
}

// Register settings for suppliers, products, and API keys etc
add_action('admin_init', 'ads_settings_init');
function ads_settings_init(){
    // Suppliers option group (for simplicity, store as serialized array)
    register_setting('ads_group', 'ads_suppliers');
    register_setting('ads_group', 'ads_products');
    register_setting('ads_group', 'ads_orders');
}

// Admin page UI
function ads_main_page(){
    // Handle form submissions for adding supplier, product, placing manual orders
    if (isset($_POST['ads_action'])){
        $action = sanitize_text_field($_POST['ads_action']);
        if($action === 'add_supplier'){
            if (!isset($_POST['ads_add_supplier_nonce']) || !wp_verify_nonce($_POST['ads_add_supplier_nonce'], 'ads_add_supplier_action')) {
                wp_die('Security check failed');
            }
            $suppliers = get_option('ads_suppliers', []);
            $new_supplier = [
                'id' => uniqid(), 
                'name' => sanitize_text_field($_POST['supplier_name']),
                'api_url' => esc_url_raw($_POST['supplier_api']),
                'api_key' => sanitize_text_field($_POST['supplier_key'])
            ];
            $suppliers[] = $new_supplier;
            update_option('ads_suppliers', $suppliers);
            echo '<div class="updated"><p>Supplier added!</p></div>';
        } elseif($action === 'add_product'){
            if (!isset($_POST['ads_add_product_nonce']) || !wp_verify_nonce($_POST['ads_add_product_nonce'], 'ads_add_product_action')) {
                wp_die('Security check failed');
            }
            $products = get_option('ads_products', []);
            $suppliers = get_option('ads_suppliers', []);
            $supplier_id = sanitize_text_field($_POST['product_supplier']);
            // Find supplier name
            $supplier_name = '';
            foreach($suppliers as $s){
                if($s['id'] === $supplier_id){
                    $supplier_name = $s['name'];
                    break;
                }
            }
            if(!$supplier_name){
                echo '<div class="error"><p>Invalid supplier selected</p></div>';
            } else {
                $new_product = [
                    'id' => uniqid(),
                    'name' => sanitize_text_field($_POST['product_name']),
                    'supplier_id' => $supplier_id,
                    'supplier_name' => $supplier_name,
                    'price' => floatval($_POST['product_price']),
                    'stock' => intval($_POST['product_stock'])
                ];
                $products[] = $new_product;
                update_option('ads_products',$products);
                echo '<div class="updated"><p>Product added!</p></div>';
            }
        } elseif($action === 'place_order'){
            if (!isset($_POST['ads_place_order_nonce']) || !wp_verify_nonce($_POST['ads_place_order_nonce'], 'ads_place_order_action')) {
                wp_die('Security check failed');
            }
            // Simulate order placement to supplier's API.
            $products = get_option('ads_products', []);
            $orders = get_option('ads_orders', []);
            $order_product_id = sanitize_text_field($_POST['order_product']);
            $order_quantity = intval($_POST['order_quantity']);
            $ordered_product = null;
            foreach($products as &$p){
                if($p['id'] === $order_product_id){
                    $ordered_product = &$p;
                    break;
                }
            }
            if(!$ordered_product){
                echo '<div class="error"><p>Product not found</p></div>';
            } elseif($ordered_product['stock'] < $order_quantity){
                echo '<div class="error"><p>Insufficient stock for this product!</p></div>';
            } else {
                // Simulate API order placement by supplier (this would be a real API call)
                // For demonstration, just reduce stock and save order details
                $ordered_product['stock'] -= $order_quantity;
                update_option('ads_products', $products);
                $new_order = [
                    'id' => uniqid(),
                    'product_name' => $ordered_product['name'],
                    'quantity' => $order_quantity,
                    'status' => 'Order Placed',
                    'timestamp' => current_time('mysql')
                ];
                $orders[] = $new_order;
                update_option('ads_orders', $orders);
                echo '<div class="updated"><p>Order placed successfully!</p></div>';
            }
        }
    }
    // End of form handling

    // Load current data
    $suppliers = get_option('ads_suppliers', []);
    $products = get_option('ads_products', []);
    $orders = get_option('ads_orders', []);
    ?>
    <div class="wrap">
        <h1>Dropshipping System</h1>

        <h2>Add Supplier</h2>
        <form method="post">
            <?php wp_nonce_field('ads_add_supplier_action', 'ads_add_supplier_nonce'); ?>
            <input type="hidden" name="ads_action" value="add_supplier" />
            <table class="form-table">
                <tr><th><label for="supplier_name">Supplier Name</label></th>
                    <td><input name="supplier_name" type="text" id="supplier_name" class="regular-text" required></td>
                </tr>
                <tr><th><label for="supplier_api">Supplier API URL</label></th>
                    <td><input name="supplier_api" type="url" id="supplier_api" class="regular-text" required></td>
                </tr>
                <tr><th><label for="supplier_key">Supplier API Key</label></th>
                    <td><input name="supplier_key" type="text" id="supplier_key" class="regular-text"></td>
                </tr>
            </table>
            <?php submit_button('Add Supplier'); ?>
        </form>

        <hr>
        <h2>Add Product</h2>
        <form method="post">
            <?php wp_nonce_field('ads_add_product_action', 'ads_add_product_nonce'); ?>
            <input type="hidden" name="ads_action" value="add_product" />
            <table class="form-table">
                <tr><th><label for="product_name">Product Name</label></th>
                    <td><input name="product_name" type="text" id="product_name" class="regular-text" required></td>
                </tr>
                <tr><th><label for="product_supplier">Supplier</label></th>
                    <td>
                        <select name="product_supplier" id="product_supplier" required>
                            <?php foreach($suppliers as $s): ?>
                                <option value="<?php echo esc_attr($s['id']); ?>"><?php echo esc_html($s['name']); ?></option>
                            <?php endforeach; ?>
                        </select>
                    </td>
                </tr>
                <tr><th><label for="product_price">Price</label></th>
                    <td><input name="product_price" type="number" id="product_price" step="0.01" min="0" required></td>
                </tr>
                <tr><th><label for="product_stock">Stock</label></th>
                    <td><input name="product_stock" type="number" id="product_stock" min="0" required></td>
                </tr>
            </table>
            <?php submit_button('Add Product'); ?>
        </form>

        <hr>
        <h2>Place Order</h2>
        <form method="post">
            <?php wp_nonce_field('ads_place_order_action', 'ads_place_order_nonce'); ?>
            <input type="hidden" name="ads_action" value="place_order" />
            <table class="form-table">
                <tr><th><label for="order_product">Product</label></th>
                    <td>
                        <select name="order_product" id="order_product" required>
                            <?php foreach($products as $p): ?>
                                <option value="<?php echo esc_attr($p['id']); ?>"><?php echo esc_html($p['name']) . ' (Stock: ' . intval($p['stock']) . ')'; ?></option>
                            <?php endforeach; ?>
                        </select>
                    </td>
                </tr>
                <tr><th><label for="order_quantity">Quantity</label></th>
                    <td><input name="order_quantity" type="number" id="order_quantity" min="1" required></td>
                </tr>
            </table>
            <?php submit_button('Place Order'); ?>
        </form>

        <hr>
        <h2>Current Products</h2>
        <?php if(empty($products)): ?>
            <p>No products available.</p>
        <?php else: ?>
            <table class="widefat">
                <thead><tr><th>Name</th><th>Supplier</th><th>Price</th><th>Stock</th></tr></thead>
                <tbody>
                    <?php foreach($products as $p): ?>
                        <tr>
                            <td><?php echo esc_html($p['name']); ?></td>
                            <td><?php echo esc_html($p['supplier_name']); ?></td>
                            <td><?php echo number_format($p['price'], 2); ?></td>
                            <td><?php echo intval($p['stock']); ?></td>
                        </tr>
                    <?php endforeach; ?>
                </tbody>
            </table>
        <?php endif; ?>

        <hr>
        <h2>Orders</h2>
        <?php if(empty($orders)): ?>
            <p>No orders placed yet.</p>
        <?php else: ?>
            <table class="widefat">
                <thead><tr><th>Order ID</th><th>Product</th><th>Quantity</th><th>Status</th><th>Date</th></tr></thead>
                <tbody>
                    <?php foreach($orders as $o): ?>
                        <tr>
                            <td><?php echo esc_html($o['id']); ?></td>
                            <td><?php echo esc_html($o['product_name']); ?></td>
                            <td><?php echo intval($o['quantity']); ?></td>
                            <td><?php echo esc_html($o['status']); ?></td>
                            <td><?php echo esc_html($o['timestamp']); ?></td>
                        </tr>
                    <?php endforeach; ?>
                </tbody>
            </table>
        <?php endif; ?>
    </div>

    <style>
    /* Make admin styling slightly nicer */
    .wrap h1 { margin-bottom: 1.5em; }
    .form-table th { width: 150px; }
    .widefat { width: 100%; margin-top: 1em; border-collapse: collapse;}
    .widefat th, .widefat td { border: 1px solid #ddd; padding: 8px; text-align: left;}
    .widefat th { background: #f4f4f4; }
    </style>
    <?php
}