Refactor fleet module and add cleanup script

- Update Celery configuration in celery.py
- Modify base settings for improved performance
- Enhance task management in fleet tasks.py
- Revise fleet views.py for better data handling
- Add cleanup_tmp_archives.sh script for temporary file management
- Adjust docker-compose.prod.yml for consistency
- Optimize fleetDashboardStore.js with reduced code complexity

backend/modules/fleet/tasks.py

@@ -1,9 +1,11 @@
 # backend/modules/fleet/tasks.py
 from celery import shared_task
+from core.celery import ResourceAwareTask
 from django.core.mail import send_mail
 from django.core.mail import EmailMessage
 from django.conf import settings
 from django.utils import timezone
+from django.core.files import File
 from django.core.files.base import ContentFile
 import logging
 from io import BytesIO
@@ -835,13 +837,12 @@ def process_work_order_invoice_ocr(invoice_id):
     return {"status": "ok", "invoice_id": str(invoice.pk)}
 
 
-@shared_task
+@shared_task(base=ResourceAwareTask)
 def build_monthly_archive_cached_task(generated_archive_id):
     from .models import GeneratedFleetArchive
-    from .services import NotificationService
     from .views import (
-        _build_monthly_service_tasks_archive_content,
-        _build_monthly_work_orders_archive_content,
+        _build_monthly_service_tasks_archive_to_temp_file,
+        _build_monthly_work_orders_archive_to_temp_file,
         _notify_monthly_archive_request,
     )
 
@@ -854,25 +855,27 @@ def build_monthly_archive_cached_task(generated_archive_id):
     if generated is None:
         return {"status": "failed", "error": "Generated archive record not found"}
 
+    tmp_archive_path = None
     try:
         if generated.archive_type == 'service_tasks':
-            archive_content = _build_monthly_service_tasks_archive_content(
+            tmp_archive_path = _build_monthly_service_tasks_archive_to_temp_file(
                 user=generated.requested_by,
                 year=generated.year,
                 month=generated.month,
             )
         else:
-            archive_content = _build_monthly_work_orders_archive_content(
+            tmp_archive_path = _build_monthly_work_orders_archive_to_temp_file(
                 user=generated.requested_by,
                 year=generated.year,
                 month=generated.month,
             )
 
-        if not archive_content:
+        if tmp_archive_path is None or tmp_archive_path.stat().st_size <= 0:
             raise ValueError('ZIP arhiva je prazna.')
 
         filename = generated.filename or f"{generated.archive_type}-{generated.year}-{generated.month}.zip"
-        generated.file.save(filename, ContentFile(archive_content), save=False)
+        with tmp_archive_path.open('rb') as temp_handle:
+            generated.file.save(filename, File(temp_handle), save=False)
         generated.status = 'ready'
         generated.error_message = ''
         generated.save(update_fields=['file', 'status', 'error_message', 'updated_at'])
@@ -902,6 +905,9 @@ def build_monthly_archive_cached_task(generated_archive_id):
             )
         logger.exception("Greška kod build_monthly_archive_cached_task: %s", exc)
         return {"status": "failed", "error": str(exc)}
+    finally:
+        if tmp_archive_path is not None:
+            tmp_archive_path.unlink(missing_ok=True)
 
 
 @shared_task
@@ -924,6 +930,14 @@ def cleanup_expired_generated_archives_task():
     return {"deleted": deleted}
 
 
+@shared_task
+def cleanup_stale_tmp_archives_task():
+    from .views import _cleanup_stale_tmp_archives
+
+    deleted = _cleanup_stale_tmp_archives()
+    return {"deleted": deleted}
+
+
 @shared_task
 def cleanup_expired_generated_pdfs_task():
     now = timezone.now()