Refactor

InvenTree/InvenTree/apps.py

@@ -1,6 +1,12 @@
 # -*- coding: utf-8 -*-
 
 from django.apps import AppConfig
+import logging
+
+import InvenTree.tasks
+
+
+logger = logging.getLogger(__name__)
 
 
 class InvenTreeConfig(AppConfig):
@@ -8,5 +14,23 @@ class InvenTreeConfig(AppConfig):
 
     def ready(self):
 
-        print("Starting background tasks")
-        pass
+        self.start_background_tasks()
+
+    def start_background_tasks(self):
+
+        try:
+            from django_q.models import Schedule
+        except (AppRegistryNotReady):
+            return
+
+        logger.info("Starting background tasks...")
+
+        InvenTree.tasks.schedule_task(
+            'InvenTree.tasks.delete_successful_tasks',
+            schedule_type=Schedule.WEEKLY,
+        )
+
+        InvenTree.tasks.schedule_task(
+            'InvenTree.tasks.check_for_updates',
+            schedule_type=Schedule.DAILY
+        )

InvenTree/InvenTree/settings.py

@@ -188,13 +188,13 @@ INSTALLED_APPS = [
     'build.apps.BuildConfig',
     'common.apps.CommonConfig',
     'company.apps.CompanyConfig',
-    'InvenTree.apps.InvenTreeConfig',
     'label.apps.LabelConfig',
     'order.apps.OrderConfig',
     'part.apps.PartConfig',
     'report.apps.ReportConfig',
     'stock.apps.StockConfig',
     'users.apps.UsersConfig',
+    'InvenTree.apps.InvenTreeConfig',       # InvenTree app runs last
 
     # Third part add-ons
     'django_filters',                       # Extended filter functionality

InvenTree/InvenTree/tasks.py

@@ -7,10 +7,35 @@ import logging
 
 from datetime import timedelta
 
+from django.core.exceptions import AppRegistryNotReady
+
 
 logger = logging.getLogger(__name__)
 
 
+def schedule_task(taskname, **kwargs):
+    """
+    Create a scheduled task.
+    If the task has already been scheduled, ignore!
+    """
+
+    try:
+        from django_q.models import Schedule
+    except (AppRegistryNotReady):
+        logger.warning("Could not start background tasks - App registry not ready")
+        return
+
+    if Schedule.objects.filter(func=taskname).exists():
+        logger.info(f"Scheduled task '{taskname}' already exists. (Skipping)")
+    else:
+        logger.info(f"Creating scheduled task '{taskname}'")
+
+        Schedule.objects.create(
+            func=taskname,
+            **kwargs
+        )
+
+        
 def delete_successful_tasks():
     """
     Delete successful task logs
@@ -32,8 +57,12 @@ def check_for_updates():
 
     data = json.loads(response.text)
 
+    print("Response:")
+    print(data)
     # TODO 
 
+    return data
+
 
 def test(x):
     print(f"Running at task! {x}")