Add ID to participant excel document

app/Form/Actions/CreateExcelDocumentAction.php

@@ -31,25 +31,27 @@ class CreateExcelDocumentAction
     private function allSheet(Collection $participants): TableDocumentData
     {
         $document = TableDocumentData::from(['title' => 'Anmeldungen für ' . $this->form->name, 'sheets' => []]);
-        $headers = $this->form->getFields()->map(fn ($field) => $field->name)->toArray();
+        $headers = $this->form->getFields()->map(fn ($field) => $field->name)->push('Abgemeldet am')->prepend('ID')->toArray();
+        [$activeParticipants, $cancelledParticipants] = $participants->partition(fn ($participant) => $participant->cancelled_at === null);
 
         $document->addSheet(SheetData::from([
             'header' => $headers,
-            'data' => $participants
-                ->map(fn ($participant) => $this->form->getFields()->map(fn ($field) => $participant->getFields()->find($field)->presentRaw())->toArray())
-                ->toArray(),
+            'data' => $activeParticipants->map(fn ($participant) => $this->rowFor($participant))->toArray(),
             'name' => 'Alle',
         ]));
+        $document->addSheet(SheetData::from([
+            'header' => $headers,
+            'data' => $cancelledParticipants->map(fn ($participant) => $this->rowFor($participant))->toArray(),
+            'name' => 'Abgemeldet',
+        ]));
 
         if ($this->form->export->groupBy) {
-            $groups = $participants->groupBy(fn ($participant) => $participant->getFields()->findByKey($this->form->export->groupBy)->presentRaw());
+            $groups = $activeParticipants->groupBy(fn ($participant) => $participant->getFields()->findByKey($this->form->export->groupBy)->presentRaw());
 
-            foreach ($groups as $name => $participants) {
+            foreach ($groups as $name => $groupedParticipants) {
                 $document->addSheet(SheetData::from([
                     'header' => $headers,
-                    'data' => $participants
-                        ->map(fn ($participant) => $this->form->getFields()->map(fn ($field) => $participant->getFields()->find($field)->presentRaw())->toArray())
-                        ->toArray(),
+                    'data' => $groupedParticipants->map(fn ($participant) => $this->rowFor($participant))->toArray(),
                     'name' => $name,
                 ]));
             }
@@ -64,6 +66,14 @@ class CreateExcelDocumentAction
         return $document;
     }
 
+    /** @return array<string, mixed> */
+    public function rowFor(Participant $participant): array {
+        return $this->form->getFields()->map(fn ($field) => $participant->getFields()->find($field)->presentRaw())
+            ->put('Abgemeldet am', $participant->cancelled_at?->format('d.m.Y H:i:s') ?: '')
+            ->prepend('ID', $participant->id)
+            ->toArray();
+    }
+
     private function tempPath(): string
     {
         return sys_get_temp_dir() . '/' . str()->uuid()->toString();

app/Form/Models/Participant.php

@@ -31,6 +31,7 @@ class Participant extends Model implements Preventable
     public $casts = [
         'data' => 'json',
         'last_remembered_at' => 'datetime',
+        'cancelled_at' => 'datetime',
     ];
 
     /**