UI коструктора отчетов

app/Services/Analytics/Export/AnalyticsExcelExport.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Services\Analytics\Export;
+
+use App\Exports\Sheets\ArraySheetExport;
+use App\Services\Analytics\AnalyticsResult;
+use App\Services\Analytics\Column;
+use Maatwebsite\Excel\Concerns\WithMultipleSheets;
+
+class AnalyticsExcelExport implements WithMultipleSheets
+{
+    public function __construct(
+        private readonly AnalyticsResult $result,
+        private readonly string $title,
+    ) {}
+
+    public function sheets(): array
+    {
+        $rows = [array_map(fn (Column $c) => $c->label, $this->result->columns)];
+
+        if ($this->result->rows === []) {
+            $rows[] = ['Нет данных за выбранный период'];
+        }
+
+        foreach ($this->result->rows as $row) {
+            $line = [];
+            foreach ($this->result->columns as $column) {
+                $line[] = $row[$column->key] ?? '';
+            }
+            $rows[] = $line;
+        }
+
+        return [new ArraySheetExport($this->sheetTitle(), $rows)];
+    }
+
+    private function sheetTitle(): string
+    {
+        return mb_substr(preg_replace('/[\\\\\/\?\*\[\]:]/', ' ', $this->title), 0, 31) ?: 'Отчёт';
+    }
+}