query("SELECT COUNT(*) FROM products")->fetchColumn();
$total_sedes = $pdo->query("SELECT COUNT(*) FROM sedes")->fetchColumn();
$total_stock = $pdo->query("SELECT SUM(quantity) FROM stock_sedes")->fetchColumn();
// 2. Datos para la tabla de inventario
$sedes_stmt = $pdo->query("SELECT id, nombre FROM sedes ORDER BY nombre");
$sedes = $sedes_stmt->fetchAll(PDO::FETCH_ASSOC);
$products_stmt = $pdo->query("SELECT id, nombre FROM products ORDER BY nombre");
$products = $products_stmt->fetchAll(PDO::FETCH_ASSOC);
$stock_stmt = $pdo->query("SELECT product_id, sede_id, quantity FROM stock_sedes");
$stock_data = $stock_stmt->fetchAll(PDO::FETCH_ASSOC);
$inventario = [];
foreach ($products as $product) {
$inventario[$product['id']] = [
'nombre' => $product['nombre'],
'total' => 0,
'sedes' => array_fill_keys(array_column($sedes, 'id'), 0)
];
}
foreach ($stock_data as $stock_item) {
if (isset($inventario[$stock_item['product_id']])) {
$inventario[$stock_item['product_id']]['sedes'][$stock_item['sede_id']] = $stock_item['quantity'];
$inventario[$stock_item['product_id']]['total'] += $stock_item['quantity'];
}
}
// 3. Datos para gráficos
$stock_por_sede_stmt = $pdo->query("
SELECT s.nombre, SUM(ss.quantity) as total_stock
FROM sedes s JOIN stock_sedes ss ON s.id = ss.sede_id
GROUP BY s.nombre HAVING total_stock > 0 ORDER BY s.nombre
");
$stock_por_sede = $stock_por_sede_stmt->fetchAll(PDO::FETCH_ASSOC);
$sede_chart_labels_array = array_column($stock_por_sede, 'nombre');
$sede_chart_data_array = array_column($stock_por_sede, 'total_stock');
$colores_sedes = [];
$colores_default = ['#FF6384', '#FFCE56', '#4BC0C0', '#9966FF', '#FF9F40'];
$color_map = [
'ALIDRV' => '#28a745', // Verde
'Almacen Principal' => '#36A2EB' // Azul
];
$default_color_idx = 0;
foreach ($sede_chart_labels_array as $label) {
if (isset($color_map[$label])) {
$colores_sedes[] = $color_map[$label];
} else {
$colores_sedes[] = $colores_default[$default_color_idx % count($colores_default)];
$default_color_idx++;
}
}
$sede_chart_labels = json_encode($sede_chart_labels_array);
$sede_chart_data = json_encode($sede_chart_data_array);
$sede_chart_colors = json_encode($colores_sedes);
$stock_por_producto_stmt = $pdo->query("
SELECT p.nombre, SUM(ss.quantity) as total_stock
FROM products p JOIN stock_sedes ss ON p.id = ss.product_id
GROUP BY p.nombre HAVING total_stock > 0 ORDER BY total_stock DESC LIMIT 15
");
$stock_por_producto = $stock_por_producto_stmt->fetchAll(PDO::FETCH_ASSOC);
$producto_chart_labels = json_encode(array_column($stock_por_producto, 'nombre'));
$producto_chart_data = json_encode(array_column($stock_por_producto, 'total_stock'));
// 4. Datos para el historial de movimientos (últimos 50)
$movements_stmt = $pdo->query("
SELECT sm.movement_date, p.nombre as product_name, s.nombre as sede_name, sm.quantity, sm.type
FROM stock_movements sm
JOIN products p ON sm.product_id = p.id
JOIN sedes s ON sm.sede_id = s.id
ORDER BY sm.created_at DESC
LIMIT 50
");
$movements = $movements_stmt->fetchAll(PDO::FETCH_ASSOC);
} catch (PDOException $e) {
echo "Error al conectar o consultar la base de datos: " . $e->getMessage() . "
";
require_once 'layout_footer.php';
die();
}
?>
Unidades Totales en Stock
| Producto |
Stock Total |
|
| No hay productos. |
|
|
|
| Fecha |
Producto |
Sede |
Cantidad |
Tipo |
| No hay movimientos registrados. |
|
|
|
|
Entrada
Salida
|