Move translations to filter

bookwyrm/templates/snippets/translated_shelf_name.html

@@ -1,12 +1,4 @@
 {% load i18n %}
-{% if shelf.identifier == 'all' %}
+{% load shelf_tags %}
-    {% trans "All books" %}
+
-{% elif shelf.identifier == 'to-read' %}
+{{ shelf|translate_shelf_name }}
-    {% trans "To Read" %}
-{% elif shelf.identifier == 'reading' %}
-    {% trans "Currently Reading" %}
-{% elif shelf.identifier == 'read' %}
-    {% trans "Read" %}
-{% else %}
-    {{ shelf.name }}
-{% endif %}

bookwyrm/templatetags/shelf_tags.py

@@ -1,5 +1,6 @@
 """ Filters and tags related to shelving books """
 from django import template
+from django.utils.translation import gettext_lazy as _
 
 from bookwyrm import models
 from bookwyrm.utils import cache
@@ -32,6 +33,23 @@ def get_next_shelf(current_shelf):
     return "to-read"
 
 
+@register.filter(name="translate_shelf_name")
+def get_translated_shelf_name(shelf):
+    """produced translated shelf nidentifierame"""
+    if not shelf:
+        return ""
+    identifier = shelf.identifier
+    if identifier == "all":
+        return _("All books")
+    if identifier == "to-read":
+        return _("To Read")
+    if identifier == "reading":
+        return _("Currently Reading")
+    if identifier == "read":
+        return _("Read")
+    return shelf.name
+
+
 @register.simple_tag(takes_context=True)
 def active_shelf(context, book):
     """check what shelf a user has a book on, if any"""