Reload database on every call to v1/library/sync. This fixes an issue where side-loaded books appear in the sync response with no download urls.

cps/db.py

@@ -429,3 +429,8 @@ def dispose():
         if name.startswith("custom_column_") or name.startswith("books_custom_column_"):
             if table is not None:
                 Base.metadata.remove(table)
+
+def reconnect_db(config):
+    session.close()
+    engine.dispose()
+    setup_db(config)

cps/kobo.py

@@ -227,6 +227,10 @@ def HandleSyncRequest():
     new_books_last_created = sync_token.books_last_created
     entitlements = []
 
+    # We reload the book database so that the user get's a fresh view of the library
+    # in case of external changes (e.g: adding a book through Calibre).
+    db.reconnect_db(config)
+
     # sqlite gives unexpected results when performing the last_modified comparison without the datetime cast.
     # It looks like it's treating the db.Books.last_modified field as a string and may fail
     # the comparison because of the +00:00 suffix.

cps/web.py

@@ -784,9 +784,7 @@ def get_tasks_status():
 
 @app.route("/reconnect")
 def reconnect():
-    db.session.close()
+    db.reconnect_db(config)
-    db.engine.dispose()
-    db.setup_db(config)
     return json.dumps({})
 
 @web.route("/search", methods=["GET"])