[ ‘sliding_door’ => [ ‘name’ => ‘🚪 Sliding Door’, ‘icon’ => ‘🚪’, ‘raw_materials’ => [ ‘frame’ => [‘material’ => ‘Aluminum Frame (60mm)’, ‘unit’ => ‘meters’, ‘per_unit’ => 6.5], ‘glass’ => [‘material’ => ‘Tempered Glass (5mm)’, ‘unit’ => ‘sq meters’, ‘per_unit’ => 2.1], ‘roller’ => [‘material’ => ‘Stainless Steel Roller’, ‘unit’ => ‘pieces’, ‘per_unit’ => 4], ‘handle’ => [‘material’ => ‘Aluminum Handle’, ‘unit’ => ‘pieces’, ‘per_unit’ => 2], ‘lock’ => [‘material’ => ‘Multi-point Lock’, ‘unit’ => ‘sets’, ‘per_unit’ => 1], ‘weatherstrip’ => [‘material’ => ‘Weatherstrip Seal’, ‘unit’ => ‘meters’, ‘per_unit’ => 8.2], ‘screw’ => [‘material’ => ‘Stainless Screws’, ‘unit’ => ‘boxes’, ‘per_unit’ => 0.5], ] ], ‘hinged_door’ => [ ‘name’ => ‘🚪 Hinged Door’, ‘icon’ => ‘🚪’, ‘raw_materials’ => [ ‘frame’ => [‘material’ => ‘Aluminum Frame (50mm)’, ‘unit’ => ‘meters’, ‘per_unit’ => 5.8], ‘glass’ => [‘material’ => ‘Tempered Glass (4mm)’, ‘unit’ => ‘sq meters’, ‘per_unit’ => 1.9], ‘hinge’ => [‘material’ => ‘Heavy Duty Hinge’, ‘unit’ => ‘pieces’, ‘per_unit’ => 3], ‘handle’ => [‘material’ => ‘Door Handle Set’, ‘unit’ => ‘pieces’, ‘per_unit’ => 1], ‘lock’ => [‘material’ => ‘Mortise Lock’, ‘unit’ => ‘sets’, ‘per_unit’ => 1], ‘weatherstrip’ => [‘material’ => ‘Rubber Seal’, ‘unit’ => ‘meters’, ‘per_unit’ => 6.4], ‘screw’ => [‘material’ => ‘Frame Screws’, ‘unit’ => ‘boxes’, ‘per_unit’ => 0.3], ] ], ‘french_door’ => [ ‘name’ => ‘🚪 French Door’, ‘icon’ => ‘🚪’, ‘raw_materials’ => [ ‘frame’ => [‘material’ => ‘Aluminum Frame (70mm)’, ‘unit’ => ‘meters’, ‘per_unit’ => 7.2], ‘glass’ => [‘material’ => ‘Double Glazed Glass’, ‘unit’ => ‘sq meters’, ‘per_unit’ => 2.4], ‘hinge’ => [‘material’ => ‘Decorative Hinge’, ‘unit’ => ‘pieces’, ‘per_unit’ => 4], ‘handle’ => [‘material’ => ‘French Door Handle’, ‘unit’ => ‘pieces’, ‘per_unit’ => 2], ‘lock’ => [‘material’ => ‘Multi-point Lock System’, ‘unit’ => ‘sets’, ‘per_unit’ => 1], ‘weatherstrip’ => [‘material’ => ‘Magnetic Seal’, ‘unit’ => ‘meters’, ‘per_unit’ => 9.5], ‘screw’ => [‘material’ => ‘Stainless Steel Screws’, ‘unit’ => ‘boxes’, ‘per_unit’ => 0.6], ] ] ], ‘windows’ => [ ‘sliding_window’ => [ ‘name’ => ‘🪟 Sliding Window’, ‘icon’ => ‘🪟’, ‘raw_materials’ => [ ‘frame’ => [‘material’ => ‘Aluminum Frame (45mm)’, ‘unit’ => ‘meters’, ‘per_unit’ => 4.8], ‘glass’ => [‘material’ => ‘Clear Glass (4mm)’, ‘unit’ => ‘sq meters’, ‘per_unit’ => 1.5], ‘roller’ => [‘material’ => ‘Nylon Roller’, ‘unit’ => ‘pieces’, ‘per_unit’ => 4], ‘handle’ => [‘material’ => ‘Window Handle’, ‘unit’ => ‘pieces’, ‘per_unit’ => 1], ‘lock’ => [‘material’ => ‘Window Lock’, ‘unit’ => ‘pieces’, ‘per_unit’ => 1], ‘weatherstrip’ => [‘material’ => ‘Fiber Brush Seal’, ‘unit’ => ‘meters’, ‘per_unit’ => 5.6], ‘track’ => [‘material’ => ‘Aluminum Track’, ‘unit’ => ‘meters’, ‘per_unit’ => 2.2], ] ], ‘casement_window’ => [ ‘name’ => ‘🪟 Casement Window’, ‘icon’ => ‘🪟’, ‘raw_materials’ => [ ‘frame’ => [‘material’ => ‘Aluminum Frame (40mm)’, ‘unit’ => ‘meters’, ‘per_unit’ => 5.2], ‘glass’ => [‘material’ => ‘Tempered Glass (4mm)’, ‘unit’ => ‘sq meters’, ‘per_unit’ => 1.3], ‘hinge’ => [‘material’ => ‘Friction Hinge’, ‘unit’ => ‘pieces’, ‘per_unit’ => 2], ‘handle’ => [‘material’ => ‘Casement Handle’, ‘unit’ => ‘pieces’, ‘per_unit’ => 1], ‘lock’ => [‘material’ => ‘Multi-point Lock’, ‘unit’ => ‘sets’, ‘per_unit’ => 1], ‘weatherstrip’ => [‘material’ => ‘EPDM Seal’, ‘unit’ => ‘meters’, ‘per_unit’ => 4.8], ‘screw’ => [‘material’ => ‘Frame Screws’, ‘unit’ => ‘boxes’, ‘per_unit’ => 0.4], ] ], ‘fixed_window’ => [ ‘name’ => ‘🪟 Fixed Window’, ‘icon’ => ‘🪟’, ‘raw_materials’ => [ ‘frame’ => [‘material’ => ‘Aluminum Frame (35mm)’, ‘unit’ => ‘meters’, ‘per_unit’ => 3.5], ‘glass’ => [‘material’ => ‘Float Glass (4mm)’, ‘unit’ => ‘sq meters’, ‘per_unit’ => 1.2], ‘sealant’ => [‘material’ => ‘Silicone Sealant’, ‘unit’ => ‘tubes’, ‘per_unit’ => 0.8], ‘gasket’ => [‘material’ => ‘Glass Gasket’, ‘unit’ => ‘meters’, ‘per_unit’ => 4.2], ‘screw’ => [‘material’ => ‘Fixing Screws’, ‘unit’ => ‘boxes’, ‘per_unit’ => 0.2], ] ] ] ]; public function calculateMaterials($doorSelections, $windowSelections) { $results = [ ‘doors’ => [], ‘windows’ => [], ‘summary’ => [] ]; $allMaterials = []; // Calculate door materials foreach ($doorSelections as $type => $quantity) { if ($quantity > 0 && isset($this->products[‘doors’][$type])) { $product = $this->products[‘doors’][$type]; $results[‘doors’][$type] = [ ‘name’ => $product[‘name’], ‘icon’ => $product[‘icon’], ‘quantity’ => $quantity, ‘materials’ => [] ]; foreach ($product[‘raw_materials’] as $key => $material) { $total = $material[‘per_unit’] * $quantity; $results[‘doors’][$type][‘materials’][$key] = [ ‘material’ => $material[‘material’], ‘unit’ => $material[‘unit’], ‘per_unit’ => $material[‘per_unit’], ‘total’ => round($total, 2) ]; // Add to summary $materialKey = $material[‘material’]; if (!isset($allMaterials[$materialKey])) { $allMaterials[$materialKey] = [ ‘material’ => $material[‘material’], ‘unit’ => $material[‘unit’], ‘total’ => 0 ]; } $allMaterials[$materialKey][‘total’] += $total; } } } // Calculate window materials foreach ($windowSelections as $type => $quantity) { if ($quantity > 0 && isset($this->products[‘windows’][$type])) { $product = $this->products[‘windows’][$type]; $results[‘windows’][$type] = [ ‘name’ => $product[‘name’], ‘icon’ => $product[‘icon’], ‘quantity’ => $quantity, ‘materials’ => [] ]; foreach ($product[‘raw_materials’] as $key => $material) { $total = $material[‘per_unit’] * $quantity; $results[‘windows’][$type][‘materials’][$key] = [ ‘material’ => $material[‘material’], ‘unit’ => $material[‘unit’], ‘per_unit’ => $material[‘per_unit’], ‘total’ => round($total, 2) ]; // Add to summary $materialKey = $material[‘material’]; if (!isset($allMaterials[$materialKey])) { $allMaterials[$materialKey] = [ ‘material’ => $material[‘material’], ‘unit’ => $material[‘unit’], ‘total’ => 0 ]; } $allMaterials[$materialKey][‘total’] += $total; } } } // Round summary totals foreach ($allMaterials as &$material) { $material[‘total’] = round($material[‘total’], 2); } $results[‘summary’] = $allMaterials; return $results; } public function getProducts() { return $this->products; } } // Initialize estimator $estimator = new AluminumEstimator(); $products = $estimator->getProducts(); // Handle form submission $results = null; if ($_SERVER[‘REQUEST_METHOD’] === ‘POST’ && isset($_POST[‘calculate’])) { $doorSelections = []; $windowSelections = []; // Get door quantities foreach ($products[‘doors’] as $type => $product) { $doorSelections[$type] = isset($_POST[‘door_’ . $type]) ? max(0, (int)$_POST[‘door_’ . $type]) : 0; } // Get window quantities foreach ($products[‘windows’] as $type => $product) { $windowSelections[$type] = isset($_POST[‘window_’ . $type]) ? max(0, (int)$_POST[‘window_’ . $type]) : 0; } $results = $estimator->calculateMaterials($doorSelections, $windowSelections); } ?>