更新 database_manager.py

db/database_manager.py

@@ -72,29 +72,8 @@ class DatabaseManager:
         return result
 
     def get_current_teacher_courses(self, number):
-        # 根据电话号码查询user_id
-        user_sql = "SELECT user_id FROM user WHERE number = %s"
-        user_result = self.fetch(user_sql, (number,))
-
-        if user_result:
-            user_id = user_result[0]['user_id']
-
-            # 使用联合查询获取该老师的所有课程信息及班级信息
-            course_class_sql = """
-            SELECT c.course_name, c.course_code, c.credits, cl.class_name, cl.major
-            FROM class_courses cc
-            JOIN courses c ON cc.course_id = c.course_id
-            JOIN classes cl ON cc.class_id = cl.class_id
-            WHERE cc.user_id = %s
-            """
-            courses_classes_result = self.fetch(course_class_sql, (user_id,))
-
-            # 组织和返回信息
-            if courses_classes_result:
-                # print(courses_classes_result)
-                return courses_classes_result
-        return []
-
+        sql = ""
+        return None
     def get_course_type(self):
         sql = "SELECT course_name, course_type FROM course"
         result = self.fetch(sql)