[0.16.x] [Bug] Ensure links are prepended with base URL on receipt (#8367)

src/backend/InvenTree/InvenTree/settings.py

@@ -33,7 +33,8 @@
 
 checkMinPythonVersion()
 
-INVENTREE_NEWS_URL = 'https://inventree.org/news/feed.atom'
+INVENTREE_BASE_URL = 'https://inventree.org'
+INVENTREE_NEWS_URL = f'{INVENTREE_BASE_URL}/news/feed.atom'
 
 # Determine if we are running in "test" mode e.g. "manage.py test"
 TESTING = 'test' in sys.argv or 'TESTING' in os.environ

src/backend/InvenTree/common/migrations/0010_migrate_currency_setting.py

@@ -29,5 +29,5 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(set_default_currency),
+        migrations.RunPython(set_default_currency, reverse_code=migrations.RunPython.noop),
     ]

src/backend/InvenTree/common/migrations/0031_auto_20241026_0024.py

@@ -0,0 +1,39 @@
+# Generated by Django 4.2.16 on 2024-10-26 00:24
+
+from django.conf import settings
+from django.db import migrations
+
+import logging
+
+logger = logging.getLogger('inventree')
+
+
+def update_news_feed_urls(apps, schema_editor):
+    """Update and validate the news feed URLs."""
+
+    from common.models import NewsFeedEntry
+
+    n = 0
+
+    for entry in NewsFeedEntry.objects.all():
+        if entry.link and entry.link.startswith('/'):
+            entry.link = settings.INVENTREE_BASE_URL + entry.link
+            entry.save()
+            n += 1
+
+    if n > 0:
+        logger.info("Updated link for %s NewsFeedEntry objects", n)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('common', '0030_barcodescanresult'),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            update_news_feed_urls,
+            reverse_code=migrations.RunPython.noop
+        )
+    ]

src/backend/InvenTree/common/tasks.py

@@ -70,6 +70,10 @@ def update_news_feed():
         if entry.id in id_list:
             continue
 
+        # Enforce proper links for the entries
+        if entry.link and str(entry.link).startswith('/'):
+            entry.link = settings.INVENTREE_BASE_URL + str(entry.link)
+
         # Create entry
         try:
             NewsFeedEntry.objects.create(