Модуль отчетов

app/Services/Reports/Export/ReportExcelExport.php

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+<?php
+
+namespace App\Services\Reports\Export;
+
+use App\Exports\Sheets\ArraySheetExport;
+use App\Services\Reports\ReportPayload;
+use App\Services\Reports\ReportSection;
+use Maatwebsite\Excel\Concerns\WithMultipleSheets;
+
+class ReportExcelExport implements WithMultipleSheets
+{
+    public function __construct(private readonly ReportPayload $payload) {}
+
+    public function sheets(): array
+    {
+        $sheets = [
+            new ArraySheetExport('Сводка', $this->metaRows()),
+        ];
+
+        foreach ($this->payload->sections as $section) {
+            $sheets[] = new ArraySheetExport($this->sheetTitle($section->title), $this->sectionRows($section));
+        }
+
+        return $sheets;
+    }
+
+    private function metaRows(): array
+    {
+        $rows = [['Показатель', 'Значение']];
+
+        foreach ($this->payload->meta as $label => $value) {
+            $rows[] = [$label, $value];
+        }
+
+        return $rows;
+    }
+
+    private function sectionRows(ReportSection $section): array
+    {
+        $rows = [array_values($section->columns)];
+
+        if (empty($section->rows)) {
+            $rows[] = ['Нет данных за выбранный период'];
+        }
+
+        foreach ($section->rows as $row) {
+            $line = [];
+            foreach (array_keys($section->columns) as $key) {
+                $line[] = $row[$key] ?? '';
+            }
+            $rows[] = $line;
+        }
+
+        return $rows;
+    }
+
+    private function sheetTitle(string $title): string
+    {
+        // Excel ограничивает название листа 31 символом и запрещает символы \/?*[]:
+        return mb_substr(preg_replace('/[\\\\\/\?\*\[\]:]/', ' ', $title), 0, 31);
+    }
+}

app/Services/Reports/Export/ReportPdfExport.php

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+<?php
+
+namespace App\Services\Reports\Export;
+
+use App\Services\Reports\ReportPayload;
+use Barryvdh\DomPDF\Facade\Pdf;
+use Barryvdh\DomPDF\PDF as PdfDocument;
+
+class ReportPdfExport
+{
+    public static function render(ReportPayload $payload): PdfDocument
+    {
+        return Pdf::loadView('reports.pdf', ['payload' => $payload])
+            ->setPaper('a4', 'portrait');
+    }
+}