encoded_student_id_url = urllib.parse.quote(student_id, safe='')

assignment_service.py

@@ -2,6 +2,7 @@ import uuid
 import json
 import gradio as gr
 from datetime import datetime
+import urllib.parse
 
 
 class AssignmentService:
@@ -82,7 +83,8 @@ class AssignmentService:
             "assignment_type": assignment_data["assignment_type"],
             "timestamp": assignment_data["timestamp"]
         }
-        self.gcs_service.upload_json_string(self.bucket_name, f"users/{user_id}/assignments.json", json.dumps(user_assignments))
+        encoded_user_id_url = urllib.parse.quote(student_id, safe='')
+        self.gcs_service.upload_json_string(self.bucket_name, f"users/{encoded_user_id_url}/assignments.json", json.dumps(user_assignments))
 
     def get_assignment(self, assignment_id):
         try:
@@ -100,7 +102,8 @@ class AssignmentService:
 
     def get_user_assignments(self, user_id):
         try:
-            user_assignments_json = self.gcs_service.download_as_string(self.bucket_name, f"users/{user_id}/assignments.json")
+            encoded_user_id_url = urllib.parse.quote(user_id, safe='')
+            user_assignments_json = self.gcs_service.download_as_string(self.bucket_name, f"users/{encoded_user_id_url}/assignments.json")
             user_assignments = json.loads(user_assignments_json)
         except Exception as e:
             print(f"Error: {e}")

submission_service.py

@@ -2,6 +2,8 @@ import uuid
 import json
 import gradio as gr
 from datetime import datetime
+import urllib.parse
+
 
 
 class SubmissionService:
@@ -67,7 +69,8 @@ class SubmissionService:
 
     def save_user_submissions_to_gcs(self, student_id, submission_data):
         try:
-            user_submissions_json = self.gcs_service.download_as_string(self.bucket_name, f"users/{student_id}/submissions.json")
+            encoded_student_id_url = urllib.parse.quote(student_id, safe='')
+            user_submissions_json = self.gcs_service.download_as_string(self.bucket_name, f"users/{encoded_student_id_url}/submissions.json")
             user_submissions = json.loads(user_submissions_json)
         except Exception as e:
             print(f"Error: {e}")