48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php
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// app/Services/MetricCalculators/AverageBedDaysCalculator.php
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namespace App\Services\MetricCalculators;
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use App\Contracts\MetricCalculatorInterface;
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use App\Services\Base\BaseMetricService;
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use Illuminate\Support\Facades\DB;
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class AverageBedDaysCalculator extends BaseMetricService implements MetricCalculatorInterface
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{
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public function getMetricId(): int
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{
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return 18;
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}
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public function calculate(array $departmentIds, string $startDate, string $endDate): array
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{
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if (empty($departmentIds)) {
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return [];
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}
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$results = DB::table('reports as r')
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->join('metrika_results as mr', 'r.report_id', '=', 'mr.rf_report_id')
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->whereIn('r.rf_department_id', $departmentIds)
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->where('mr.rf_metrika_item_id', 18)
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->where('r.period_start', '>=', $startDate)
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->where('r.period_end', '<', $endDate)
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->select(
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'r.rf_department_id',
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DB::raw('AVG(CAST(mr.value AS DECIMAL)) as avg_value')
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)
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->groupBy('r.rf_department_id')
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->get()
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->keyBy('rf_department_id');
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$averages = [];
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foreach ($departmentIds as $deptId) {
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$averages[$deptId] = isset($results[$deptId])
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? round((float) $results[$deptId]->avg_value, 1)
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: 0;
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}
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return $averages;
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}
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}
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