fix: Only link to user if the account still exists

lib/bdfr_browser/render_utils.ex

@@ -17,6 +17,9 @@ defmodule BdfrBrowser.RenderUtils do
     |> Earmark.as_html!()
   end
 
+  def link_to_user(name) when name in ~w([deleted] DELETED), do: name
+  def link_to_user(name), do: "<a href=\"/user/#{name}\">#{name}</a>"
+
   # Helper
 
   defp maybe_insert_image(<<"mxc://reddit.com/", filename::binary>> = msg, replacement) do

priv/templates/http/_comment.eex

@@ -9,7 +9,7 @@
         <% end %>
         
         <footer class="blockquote-footer">
-          <a href="/user/<%= comment.author %>"><%= comment.author %></a>,
+          <%= BdfrBrowser.RenderUtils.link_to_user(comment.author) %>,
           <small><%= DateTime.to_iso8601(comment.posted_at) %></small>
         </footer>
       </blockquote>

priv/templates/http/chat.eex

@@ -13,7 +13,7 @@
           <%= BdfrBrowser.RenderUtils.message(message.message) %>
 
           <footer class="blockquote-footer">
-            <a href="/user/<%= message.author %>"><%= message.author %></a>,
+            <%= BdfrBrowser.RenderUtils.link_to_user(message.author) %>,
             <small><%= DateTime.to_iso8601(message.posted_at) %></small>
 
             <%= unless is_nil(message.bookmark) do %>

priv/templates/http/post.eex

@@ -1,7 +1,7 @@
 <h2><%= post.title %></h2>
 
 <p>
-  <small><a href="/user/<%= post.author %>"><%= post.author %></a></small>
+  <small><%= BdfrBrowser.RenderUtils.link_to_user(post.author) %></small>
   -
   <small><%= DateTime.to_iso8601(post.posted_at) %></small>
   -

priv/templates/http/search.eex

@@ -46,7 +46,7 @@
                 <%= BdfrBrowser.RenderUtils.comment(comment.body) %>
 
                 <footer class="blockquote-footer">
-                  <a href="/user/<%= comment.author %>"><%= comment.author %></a>,
+                  <%= BdfrBrowser.RenderUtils.link_to_user(comment.author) %>,
                   <a href="/r/<%= comment.subreddit %>/<%= comment.post_date %>/<%= comment.post_id %>"><%= comment.post_title %></a>,
                   <a href="/r/<%= comment.subreddit %>/<%= comment.post_date %>/"><%= comment.subreddit %></a>,
                   <small><%= DateTime.to_iso8601(comment.posted_at) %></small>