Merge Invoice and Bill into Document

app/Exports/Document/Sheets/DocumentHistories.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Exports\Document\Sheets;
+
+use App\Abstracts\Export;
+use App\Models\Document\Document;
+use App\Models\Document\DocumentHistory as Model;
+use Illuminate\Support\Str;
+
+class DocumentHistories extends Export
+{
+    public function collection()
+    {
+        $model = Model::{$this->type}()->with('document')->usingSearchString(request('search'));
+
+        if (!empty($this->ids)) {
+            $model->whereIn('document_id', (array) $this->ids);
+        }
+
+        return $model->cursor();
+    }
+
+    public function map($model): array
+    {
+        $document = $model->document;
+
+        if (empty($document)) {
+            return [];
+        }
+
+        if ($this->type === Document::INVOICE_TYPE) {
+            $model->invoice_number = $document->document_number;
+        } else {
+            $model->bill_number = $document->document_number;
+        }
+
+        return parent::map($model);
+    }
+
+    public function fields(): array
+    {
+        return [
+            $this->type === Document::INVOICE_TYPE ? 'invoice_number' : 'bill_number',
+            'status',
+            'notify',
+            'description',
+        ];
+    }
+
+    public function title(): string
+    {
+        return Str::replaceFirst('document', $this->type, parent::title());
+    }
+}