fix: support for array notation

Author: Seb33300

src/Jobs/DataTableExportJob.php

@@ -10,6 +10,8 @@
 use Illuminate\Contracts\Queue\ShouldBeUnique;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Http\File;
 use Illuminate\Queue\InteractsWithQueue;
@@ -125,12 +127,6 @@ public function handle(): void
         foreach ($query as $row) {
             $cells = [];
 
-            $row = $row instanceof Arrayable ? $row->toArray() : (array) $row;
-
-            if ($this->usesLazyMethod() && is_array($row)) {
-                $row = Arr::dot($row);
-            }
-
             $defaultDateFormat = 'yyyy-mm-dd';
             if (config('datatables-export.default_date_format')
                 && is_string(config('datatables-export.default_date_format'))
@@ -147,7 +143,7 @@ public function handle(): void
                 }
 
                 /** @var array|bool|int|string|null|DateTimeInterface $value */
-                $value = $row[$property] ?? '';
+                $value = $this->getValue($row, $property) ?? '';
 
                 if (isset($column->exportRender)) {
                     $callback = $column->exportRender;
@@ -231,6 +227,23 @@ protected function getExportableColumns(DataTable $dataTable): Collection
         return $columns->filter(fn (Column $column) => $column->exportable);
     }
 
+    protected function getValue(array|Model $row, string $property): mixed
+    {
+        [$currentProperty, $glue, $childProperty] = array_pad(preg_split('/\[(.*?)\]\.?/', $property, 2, PREG_SPLIT_DELIM_CAPTURE), 3, null);
+
+        if ($glue === '') {
+            $glue = ', ';
+        }
+
+        $value = data_get($row, $currentProperty.($childProperty ? '.*' : ''));
+
+        if ($childProperty) {
+            $value = Arr::map($value, fn ($v) => $this->getValue($v, $childProperty));
+        }
+
+        return $glue ? Arr::join($value, $glue) : $value;
+    }
+
     protected function usesLazyMethod(): bool
     {
         return config('datatables-export.method', 'lazy') === 'lazy';