更新 database_manager.py

db/database_manager.py

@@ -1,4 +1,3 @@
-import pymysql
 from db.connection import MySQLPool
 import bcrypt
 
@@ -62,7 +61,7 @@ class DatabaseManager:
         # 密码不匹配或用户不存在，返回登录失败
         return {'valid': False}
 
-    def get_meun(self, role):
+    def get_menu(self, role):
         sql = "SELECT menu_name,path FROM menu_items WHERE role=%s ORDER BY `order`"
         result = self.fetch(sql, (role,))
         return result
@@ -71,3 +70,28 @@ class DatabaseManager:
         sql = "SELECT course_name, course_code, instructor_name, credits, description FROM courses"
         result = self.fetch(sql)
         return result
+
+    def get_current_teacher_courses(self, phone_number):
+        # 根据电话号码查询user_id
+        user_sql = "SELECT user_id FROM user WHERE phone_number = %s"
+        user_result = self.fetch(user_sql, (phone_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 []
+