Add data export retry and cancel controls

app/Models/DataExport.php

@@ -19,6 +19,8 @@ class DataExport extends Model
 
     public const STATUS_FAILED = 'failed';
 
+    public const STATUS_CANCELED = 'canceled';
+
     protected $fillable = [
         'user_id',
         'tenant_id',
@@ -58,6 +60,38 @@ class DataExport extends Model
         return $this->status === self::STATUS_READY;
     }
 
+    public function canRetry(): bool
+    {
+        return in_array($this->status, [self::STATUS_FAILED, self::STATUS_CANCELED], true);
+    }
+
+    public function canCancel(): bool
+    {
+        return in_array($this->status, [self::STATUS_PENDING, self::STATUS_PROCESSING], true);
+    }
+
+    public function resetForRetry(): void
+    {
+        $this->update([
+            'status' => self::STATUS_PENDING,
+            'error_message' => null,
+            'path' => null,
+            'size_bytes' => null,
+            'expires_at' => null,
+        ]);
+    }
+
+    public function markCanceled(?string $reason = null): void
+    {
+        $this->update([
+            'status' => self::STATUS_CANCELED,
+            'error_message' => $reason ?: 'Canceled by superadmin.',
+            'path' => null,
+            'size_bytes' => null,
+            'expires_at' => null,
+        ]);
+    }
+
     public function hasExpired(): bool
     {
         return $this->expires_at !== null && $this->expires_at->isPast();