save all the course json date to database

courses/Course.py

@@ -2,16 +2,23 @@ from courses.Attachment import Attachment
 
 
 class Course:
-    def __init__(self, course_id, title, attachments=None):
+    id: None
+    title: ""
+    description: ""
+    duration: 0
+    attachments: []
+
+    def __init__(self, course_id, title, description, attachments=None):
         self.id = course_id
         self.title = title
+        self.description = description
         self.attachments = attachments if attachments else []
 
     def add_attachment(self, attachment):
         self.attachments.append(attachment)
 
     def __repr__(self):
-        return f"Course(id={self.id}, title={self.title}, attachments={self.attachments})"
+        return f"Course(id={self.id}, title={self.title}, description={self.description}, attachments={self.attachments})"
 
 
 # 使用示例