Use user ids for author search instead of usernames.

README.md

@@ -178,7 +178,6 @@ Here is a brief overview of the project to help you learn your way around:
 
 - Make the wording between "new", "create", "add"; and "remove", "delete" more consistent.
 - User account system, permission levels, private pages.
-- Ability to access user photos by user's ID, not just username.
 - Replace columns like area, ratio, bitrate by using expression indices or views (`width * height` etc).
 - Add a `Photo.merge` to combine duplicate entries.
 - Generate thumbnails for vector files without falling victim to bombs.

etiquette/searchhelpers.py

@@ -122,12 +122,10 @@ def minmax(key, value, minimums, maximums, warning_bag=None):
 def normalize_author(authors, photodb, warning_bag=None):
     '''
     Either:
-    - A string, where the usernames are separated by commas
-    - An iterable containing
-        - Usernames as strings
-        - User objects
+    - A string, where the user IDs are separated by commas
+    - An iterable containing IDs or User objects
 
-    Returns: A set of user IDs.
+    Returns: A set of User objects.
     '''
     if authors is None:
         authors = []
@@ -140,11 +138,12 @@ def normalize_author(authors, photodb, warning_bag=None):
         if isinstance(requested_author, objects.User):
             if requested_author.photodb == photodb:
                 users.add(requested_author)
+                continue
             else:
-                requested_author = requested_author.username
+                requested_author = requested_author.id
 
         try:
-            user = photodb.get_user(username=requested_author)
+            user = photodb.get_user_by_id(requested_author)
         except exceptions.NoSuchUser as exc:
             if warning_bag:
                 warning_bag.add(exc)

frontends/etiquette_flask/templates/user.html

@@ -31,6 +31,9 @@
     <div id="content_body">
         <div id="hierarchy_self" class="panel">
             <h1 id="display_name">{{user.display_name}}</h1>
+            {% if user.display_name != user.username %}
+            <p>Username: {{user.username}}</p>
+            {% endif %}
             <p>ID: <a href="/userid/{{user.id}}"><code>{{user.id}}</code></a></p>
             <p>User since <span title="{{user.created|timestamp_to_8601}}">{{user.created|timestamp_to_naturaldate}}.</span></p>
         </div>
@@ -38,7 +41,7 @@
         {% set photos = user.get_photos(direction='desc')|islice(0, 15)|list %}
         {% if photos %}
         <div id="hierarchy_photos" class="panel">
-            <h2><a href="/search?author={{user.username}}">Photos by <span class="dynamic_user_display_name">{{user.display_name}}</span></a></h2>
+            <h2><a href="/search?author={{user.id}}">Photos by <span class="dynamic_user_display_name">{{user.display_name}}</span></a></h2>
             {% for photo in photos %}
             {{cards.create_photo_card(photo)}}
             {% endfor %}