feat: better UI for disable upload

app.py

@@ -104,6 +104,7 @@ def list(username):
     all_teachers = [i for i, in db.session.query(Paper.teacher.distinct()).all()]
     all_years = [i for i, in db.session.query(Paper.year.distinct()).all()]
     ipfs_version = hashlib.sha256(C.ipfs_base_url.encode('utf-8')).hexdigest()
+    disable_upload = not C.allow_guest_upload and username.startswith('guest~')
     return render_template('list.html', **locals())
 
 def check_length(x, limit=30, allow_null=False):

templates/list.html

@@ -169,6 +169,22 @@
     .user-info:not(:hover) div:not(.show) .username{
       display: none;
     }
+
+    .mask {
+      background: linear-gradient(25deg,
+        #5558 calc(50% - 1px),
+        #333 calc(50%),
+        #5558 calc(50% + 1px)
+      );
+      background-size: 10px 5px;
+      position: absolute;
+      z-index: 999;
+      width: 100%;
+      height: 100%;
+      top: -5px;
+      left: -5px;
+      border-radius: 0;
+    }
   </style>
 </head>
 
@@ -242,6 +258,9 @@
           </span>
         </div>
       </form>
+      {% if disable_upload %}
+      <button class="mask" onclick="alert('目前guest无权限上传')"></button>
+      {% endif %}
     </div>
 
     <div class="part2" id="part2">