Профиль хирургии

app/Services/MetricCalculators/LethalityCalculator.php

@@ -0,0 +1,58 @@
+<?php
+// app/Services/MetricCalculators/LethalityCalculator.php
+
+namespace App\Services\MetricCalculators;
+
+use App\Services\Base\BaseMetricService;
+use App\Contracts\MetricCalculatorInterface;
+use Illuminate\Support\Facades\DB;
+
+class LethalityCalculator extends BaseMetricService implements MetricCalculatorInterface
+{
+    public function getMetricId(): int
+    {
+        return 19;
+    }
+
+    public function calculate(array $departmentIds, string $startDate, string $endDate): array
+    {
+        if (empty($departmentIds)) {
+            return [];
+        }
+
+        $results = DB::table('reports as r')
+            ->join('metrika_results as mr', 'r.report_id', '=', 'mr.rf_report_id')
+            ->whereIn('r.rf_department_id', $departmentIds)
+            ->whereIn('mr.rf_metrika_item_id', [7, 9])
+//            ->whereBetween('r.created_at', [$startDate, $endDate])
+            ->where('r.sent_at', '>', $startDate)
+            ->where('r.sent_at', '<=', $endDate)
+            ->select(
+                'r.rf_department_id',
+                'mr.rf_metrika_item_id',
+                DB::raw('SUM(CAST(mr.value AS INTEGER)) as total')
+            )
+            ->groupBy('r.rf_department_id', 'mr.rf_metrika_item_id')
+            ->get()
+            ->groupBy('rf_department_id');
+
+        $lethality = [];
+        foreach ($departmentIds as $deptId) {
+            $deceased = 0;
+            $discharged = 0;
+
+            if (isset($results[$deptId])) {
+                foreach ($results[$deptId] as $item) {
+                    if ($item->rf_metrika_item_id == 9) $deceased = (int)$item->total;
+                    else $discharged = (int)$item->total;
+                }
+            }
+
+            $lethality[$deptId] = ($discharged > 0 && $deceased > 0)
+                ? round(($deceased / $discharged) * 100, 1)
+                : 0;
+        }
+
+        return $lethality;
+    }
+}