From 5c7284e584315d67a77e4dc69c6f88216fae1266 Mon Sep 17 00:00:00 2001
From: WorldTeacher <41587052+WorldTeacher@users.noreply.github.com>
Date: Mon, 7 Oct 2024 08:40:26 +0200
Subject: [PATCH] add function to check if to be deleted user has loans

---
 src/logic/database.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/logic/database.py b/src/logic/database.py
index 16beeaa..7ba1d0d 100644
--- a/src/logic/database.py
+++ b/src/logic/database.py
@@ -273,7 +273,18 @@ class Database:
         if len(result) == 0:
             log.info(f"Deleting {len(result)} inactive users")
             for user in result:
-                self.deleteUser(user)
+                hasLoans = self.hasLoans(user[0])
+                if not hasLoans:
+                    self.deleteUser(user)
+    
+    def hasLoans(self, userid)->bool:
+        query = f"SELECT * FROM loans WHERE user_id = '{userid}' AND returned = 0"
+        conn = self.connect()
+        cursor = conn.cursor()
+        cursor.execute(query)
+        result = cursor.fetchall()  
+        self.close_connection(conn)
+        return False if len(result) == 0 else True
     
     def deleteUser(self, userid):
         log.debug(f"Deleting User {userid}")