fixing bugs

app/Nova/Metrics/TotalScreenings.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Nova\Metrics;
+
+use App\Models\Screening;
+use Laravel\Nova\Http\Requests\NovaRequest;
+use Laravel\Nova\Metrics\Value;
+
+final class TotalScreenings extends Value
+{
+    /**
+     * Calculate the value of the metric.
+     */
+    public function calculate(NovaRequest $request): mixed
+    {
+        return $this->count($request, Screening::class);
+    }
+
+    /**
+     * Get the displayable name of the metric.
+     */
+    public function name(): string
+    {
+        return 'Total Screenings';
+    }
+
+    /**
+     * Get the ranges available for the metric.
+     */
+    public function ranges(): array
+    {
+        return [
+            30 => '30 Days',
+            60 => '60 Days',
+            365 => '365 Days',
+            'TODAY' => 'Today',
+            'ALL' => 'All Time',
+        ];
+    }
+
+    /**
+     * Determine the amount of time the results should be cached.
+     */
+    public $cacheFor = null;
+}