Update: admin_delete can't delete last admin

backend/application/api_functions.py

@@ -1,9 +1,19 @@
+print('hashlib')
 import hashlib
+
 import os
 from datetime import datetime
+
+print('flask_sqlalchemy')
 from flask_sqlalchemy import inspect
+
+print('sqlalchemy')
 from sqlalchemy import asc, desc, or_
+
+print('users_model')
 from .users_model import Users, db
+
+print('logs_model')
 from .logs_model import Logs
 
 
@@ -177,8 +187,11 @@ def db_user_update(ip, user_id, nickname, password):
         return {'status': 1, 'message': message}
 
 
-def db_user_delete(ip, user_id, is_admin=False):
+def db_user_delete(ip, user_id):
-    if is_admin and Users.query.filter(Users.is_admin == True).count() <= 1 or user_id == 0:
+    user_to_delete = Users.query.filter(Users.id == user_id).scalar()
+    if user_to_delete:
+        is_admin = bool(user_to_delete.json()['is_admin'])
+        if is_admin and (Users.query.filter(Users.is_admin == True).count() <= 1 or user_id == 0):
             message = 'Can\'t delete last admin'
             db_create_log(
                 ip=ip,
@@ -190,7 +203,7 @@ def db_user_delete(ip, user_id, is_admin=False):
                 id_user=user_id
             )
             return {'status': 2, 'message': message}
-
+        else:
             test = Users.query.filter(Users.id == user_id).delete()
             if test == 1:
                 db.session.commit()
@@ -217,6 +230,18 @@ def db_user_delete(ip, user_id, is_admin=False):
                     id_user=user_id
                 )
                 return {'status': 1, 'message': message}
+    else:
+        message = 'User do not exist.'
+        db_create_log(
+            ip=ip,
+            action='user_delete',
+            message=message,
+            has_succeeded=False,
+            status_code=1,
+            table='users',
+            id_user=user_id
+        )
+        return {'status': 1, 'message': message}
 
 
 def db_admin_update_user(ip, user_id, is_admin, password):

backend/application/routes.py

@@ -3,7 +3,7 @@ from flask import request
 from .responses import send_message, send_error
 from .api_functions import db_login, db_register, db_user_update, db_create_log, db_user_delete, db_admin_update_user, db_users
 from .sessionJWT import create_auth_token, check_auth_token
-
+print('route imported')
 
 # Login
 @app.route('/api/login', methods=['POST'])
@@ -286,7 +286,7 @@ def admin_delete_user():
                 fields += 'id'
             if post_user_id_delete is not None:
                 if str(post_user_id_delete) != '':
-                    res = db_user_delete(ip, post_user_id_delete)
+                    res = db_user_delete(ip, int(post_user_id_delete))
                     if res['status'] == 1:
                         db_create_log(
                             ip=ip,
@@ -298,7 +298,7 @@ def admin_delete_user():
                             id_user=user_id
                         )
                         return send_error(500, res['message'])
-                    elif res['status'] == 0:
+                    else:
                         db_create_log(
                             ip=ip,
                             action='admin/delete/user',