Split routes into multiple files (#2)

* split into files

* attempted path fix

* perms fix

* added missed functions

* fixed circular dependancy

* I hate splitting

* env fix

* path fix

app/helpers.py

@@ -0,0 +1,27 @@
+from flask import current_app
+from datetime import datetime, timedelta
+import os
+import shutil
+
+
+def delete_inactive_sites():
+    from .models import db, Site  # lazy import to avoid circular dependency
+
+    with current_app.app_context():
+        cutoff = datetime.utcnow() - timedelta(days=30)
+        sites = Site.query.filter(Site.last_accessed < cutoff).all()
+        for site in sites:
+            site_dir = os.path.join(
+                current_app.config["UPLOAD_FOLDER"], str(site.user_id), str(site.id)
+            )
+            if os.path.exists(site_dir):
+                shutil.rmtree(site_dir)
+            db.session.delete(site)
+        db.session.commit()
+
+
+def list_files(directory):
+    try:
+        return os.listdir(directory)
+    except FileNotFoundError:
+        return []