timeout auto sort

shop.py

@@ -173,10 +173,23 @@ def show_shop(shopid):
     for row in cur.fetchall():
         if row[0]==shopid:
             shared_to.append(get_username(row[1]))
-    return render_template('show_shop.html', entries=entries, shop=shopname, 
-                shopid=shopid, content=content,shares=shared_to,
-                date=get_shop_date(shopid),date_bkp=get_shop_backup_date(shopid),
-                autosort=session.get('sort_view',False))
+    # invalidate autosort in 60 minutes:
+    if session.get('sort_update'):
+        if time.time() - session.get('sort_update') > 3600:
+            session['sort_view'] = False
+        session['sort_update'] = time.time()
+
+    return render_template(
+        'show_shop.html', 
+        entries = entries, 
+        shop = shopname, 
+        shopid = shopid, 
+        content = content,
+        shares = shared_to,
+        date = get_shop_date(shopid),
+        date_bkp = get_shop_backup_date(shopid),
+        autosort = session.get('sort_view', False)
+    )
 
 @app.route('/')
 def list_shops():
@@ -442,10 +455,14 @@ def remove_shop():
 def sort_flip():
     if not session.get('sort_view'):
         session['sort_view'] = True
+        session['sort_update'] = time.time()
     else:
         session['sort_view'] = False
+        session['sort_update'] = time.time()
     shopid = int(request.form['shopid'])
-    return redirect(url_for('show_shop',shopid=shopid))  
+    return redirect(
+        url_for('show_shop', shopid = shopid)
+    )  
 
 @app.route('/login', methods=['GET', 'POST'])
 def login():