export abstract

app/Abstracts/Export.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Abstracts;
+
+use Illuminate\Support\Str;
+use Jenssegers\Date\Date;
+use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\ShouldAutoSize;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+use Maatwebsite\Excel\Concerns\WithMapping;
+use Maatwebsite\Excel\Concerns\WithTitle;
+
+abstract class Export implements FromCollection, ShouldAutoSize, WithHeadings, WithMapping, WithTitle
+{
+    public $ids;
+
+    public function __construct($ids = null)
+    {
+        $this->ids = $ids;
+    }
+
+    public function title(): string
+    {
+        return Str::snake((new \ReflectionClass($this))->getShortName());
+    }
+
+    public function fields(): array
+    {
+        return [];
+    }
+
+    public function map($model): array
+    {
+        $map = [];
+
+        $date_fields = ['paid_at', 'invoiced_at', 'billed_at', 'due_at', 'issued_at', 'created_at'];
+
+        foreach ($this->fields() as $field) {
+            $value = $model->$field;
+
+            if (in_array($field, $date_fields)) {
+                $value = Date::parse($value)->format('Y-m-d');
+            }
+
+            $map[] = $value;
+        }
+
+        return $map;
+    }
+
+    public function headings(): array
+    {
+        return $this->fields();
+    }
+}