Added Edit Feature

main.py

@@ -153,3 +153,28 @@ def delete_course(course_id):
     save_user_courses(session['username'], updated_courses)
     return redirect(url_for('index'))
 
+@app.route('/edit/<course_id>', methods=['GET', 'POST'])
+def edit_course(course_id):
+    if 'user_id' not in session:
+        return redirect(url_for('login'))
+    
+    courses = get_user_courses(session['username'])
+    course = next((c for c in courses if c['id'] == course_id), None)
+    
+    if not course:
+        flash('درس مورد نظر یافت نشد', 'error')
+        return redirect(url_for('index'))
+    
+    if request.method == 'POST':
+        course['name'] = request.form.get('name')
+        course['code'] = request.form.get('code')
+        course['group'] = request.form.get('group')
+        course['day'] = request.form.get('day')
+        course['prof'] = request.form.get('prof')
+        course['priority'] = request.form.get('priority')
+        save_user_courses(session['username'], courses)
+        flash('درس با موفقیت ویرایش شد', 'success')
+        return redirect(url_for('index'))
+    
+    return render_template_string(TEMPLATE, page='edit_course', course=course, username=session['username'])
+