added error messages to paper createnpage, solved #25

hpi-swt2-exercise · Nov 9, 2017 · 5d2b17c · 5d2b17c
1 parent 2882a4b
commit 5d2b17c
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/app/views/papers/new.html.erb b/app/views/papers/new.html.erb
@@ -1,5 +1,13 @@
 <h1>new paper</h1>
-
+<% if @author.errors.any? %>
+    <p>An error occured</p>
+
+    <ul>
+        <% @author.errors.full_messages.each do |msg| %>
+          <li><%= msg %></li>
+        <% end %>
+      </ul>
+<% end %>
 <%= form_for :paper, url: papers_path do |f| %>
   <p>
     <%= f.label :title %><br>