Merge pull request #26 from cics-syslab/dev

Dev

README.md

@@ -21,7 +21,7 @@ MAGI is a python framework for generating programming assignments and autograder
 
 ## Quick Start
 
-The easiest way to get started with our application is by using our pre-built Docker image.
+The easiest way to get started with our application is by using our pre-built [Docker](https://www.docker.com/) image.
 
 ```bash
 docker run -d --name magi -p 8501:8501 -v ./settings:/app/settings ghcr.io/cics-syslab/magi:latest
@@ -42,7 +42,7 @@ services:
 
 ## Building from Source
 
-If you prefer to build the application from source, follow the instructions in the [Building from Source](#building-from-source) page.
+If you prefer to build the application from source, follow the instructions in the [Build](build) page.
 <!-- 
 1. Download the release and unzip it
 

webui/pages/8_Preview.py

@@ -110,8 +110,13 @@ def download_section(title, file_path, download_label, content_label=None, key=N
         if content_label:
             st.write(f"### {content_label}")
         if 'zip' in file_path:  # For zip files, show file browser
+            content_dir = os.path.join(os.path.dirname(file_path),actual_folder) if actual_folder else file_path[:-4]
+            if not os.path.exists(content_dir):
+                st.warning(f"{content_label} not found.")
+                return
+
             with st.container(border=True):
-                st_file_browser(os.path.join(os.path.dirname(file_path),actual_folder) if actual_folder else file_path[:-4], key=key)
+                st_file_browser(content_dir, key=key)
         else:  # For other file types, potentially show content directly
             if extra_action:
                 extra_action(file_path)