57 lines
1.9 KiB
PHP
57 lines
1.9 KiB
PHP
<?php
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namespace Database\Seeders;
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use Illuminate\Database\Seeder;
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use Carbon\Carbon;
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use App\Models\Surveillance;
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use App\Models\SurveillanceCase;
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use App\Models\CaseLabResult;
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class SurveillanceDataSeeder extends Seeder
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{
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public function run(): void
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{
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$provinces = ['Phnom Penh', 'Siem Reap', 'Battambang', 'Kampong Cham'];
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$pathogens = ['Influenza A', 'Influenza B', 'SARS-CoV-2'];
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$programs = Surveillance::all();
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foreach ($programs as $program) {
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for ($i = 0; $i < 300; $i++) {
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$date = Carbon::now()->subDays(rand(0, 90));
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$case = SurveillanceCase::create([
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'lab_code' => uniqid('LAB'),
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'case_date' => $date->toDateString(),
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'is_newcase' => 1,
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'sentinel_site_name' => 'Sentinel Site ' . rand(1, 5),
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'site_province_name' => $provinces[array_rand($provinces)],
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'surveillance_id' => $program->id,
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'year_data' => $date->year,
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'week_data' => $date->weekOfYear,
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'patient_age_inday' => rand(100, 25000),
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'patient_sex' => rand(0, 1) ? 'M' : 'F',
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'is_alive' => 1,
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'patient_privince' => $provinces[array_rand($provinces)]
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]);
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foreach ($pathogens as $pathogen) {
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$positiveRate = $pathogen === 'Influenza A' ? 0.2 :
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($pathogen === 'Influenza B' ? 0.15 : 0.1);
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CaseLabResult::create([
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'lab_code' => $case->lab_code,
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'is_positive' => rand(0, 100) < ($positiveRate * 100) ? 1 : 0,
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'pathogen_name' => $pathogen,
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'subtype' => null,
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'indicator' => null
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]);
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}
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}
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}
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}
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} |