added production line count chart

app/Filament/Widgets/CumulativeChart.php

@@ -0,0 +1,111 @@
+<?php
+
+namespace App\Filament\Widgets;
+
+use App\Models\Line;
+use Filament\Widgets\ChartWidget;
+
+class CumulativeChart extends ChartWidget
+{
+    protected static ?string $heading = 'Production Line Count';
+
+    protected $listeners = ['cumulativeChart'];
+
+
+    protected int|string|array $columnSpan = 12;
+    protected function getData(): array
+    {
+        $selectedPlant = session('selected_plant') ?? session('select_plant');
+        $activeFilter = $this->filter;
+
+        // Define date range based on filter
+        switch ($activeFilter) {
+            case 'yesterday':
+                $startDate = now()->subDay()->startOfDay();
+                $endDate = now()->subDay()->endOfDay();
+                break;
+            case 'this_week':
+                $startDate = now()->startOfWeek();
+                $endDate = now()->endOfWeek();
+                break;
+            case 'this_month':
+                $startDate = now()->startOfMonth();
+                $endDate = now()->endOfMonth();
+                break;
+            default: // today
+                $startDate = now()->startOfDay();
+                $endDate = now()->endOfDay();
+                break;
+        }
+
+        // Get all lines for selected plant
+        $lines = Line::where('plant_id', $selectedPlant)
+            ->pluck('name', 'id')
+            ->toArray();
+
+        // Get total production per line in the date range
+        $production = \DB::table('production_quantities')
+            ->select('line_id', \DB::raw('COUNT(*) as total_quantity'))
+            ->whereBetween('created_at', [$startDate, $endDate])
+            ->whereIn('line_id', array_keys($lines))
+            ->groupBy('line_id')
+            ->pluck('total_quantity', 'line_id')
+            ->toArray();
+
+        // Match quantities with lines (fill 0 if missing)
+        $labels = [];
+        $data = [];
+
+        foreach ($lines as $lineId => $lineName) {
+            $labels[] = $lineName;
+            $data[] = $production[$lineId] ?? 0;
+        }
+
+        return [
+            'labels' => $labels,
+            'datasets' => [
+                [
+                    'label' => match ($activeFilter) {
+                        'yesterday' => "Production Quantity (Yesterday)",
+                        'this_week' => "Weekly Production This Month",
+                        'this_month' => "Yesterday's Hourly Production",
+                        default => "Today's Production",
+                },
+                    'data' => $data,
+                ],
+            ],
+        ];
+    }
+
+
+    protected function getType(): string
+    {
+        return 'bar';
+    }
+
+    protected function getFilters(): ?array
+    {
+        return [
+            'today' => 'Today',
+            'yesterday' => 'Yesterday',
+            'this_week'=> 'This Week',
+            'this_month'=> 'This Month',
+        ];
+    }
+
+    protected function getOptions(): array
+    {
+        return [
+            'scales' => [
+                'y' => [
+                    'beginAtZero' => true, //Start Y-axis from 0
+                    'ticks' => [
+                        'stepSize' => 0.5,
+                    ],
+                ],
+            ],
+
+        ];
+    }
+
+}