From 161d3b13878ffacb8e0927aedfcfb2bec9912368 Mon Sep 17 00:00:00 2001
From: Frank Wiles <frank@revsys.com>
Date: Fri, 30 Aug 2024 06:41:30 -0500
Subject: [PATCH] Add latest option behavior to latest library and detail pages
 (#1218)

---
 libraries/views.py              | 12 +++++++-----
 templates/libraries/detail.html |  2 +-
 templates/libraries/list.html   |  1 +
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/libraries/views.py b/libraries/views.py
index 8b36e491..d5e71b0f 100644
--- a/libraries/views.py
+++ b/libraries/views.py
@@ -60,7 +60,7 @@ class LibraryList(VersionAlertMixin, ListView):
         """Set the selected version in the cookies."""
         valid_versions = Version.objects.version_dropdown_strict()
 
-        if version in [v.slug for v in valid_versions]:
+        if version in [v.slug for v in valid_versions] or version == "latest":
             response.set_cookie(SELECTED_BOOST_VERSION_COOKIE_NAME, version)
         else:
             logger.warning(f"Attempted to set invalid version slug: {version}")
@@ -89,7 +89,7 @@ class LibraryList(VersionAlertMixin, ListView):
             params["version"] = selected_boost_version
 
         # default to the most recent version
-        if "version" not in params:
+        if "version" not in params or params["version"] == "latest":
             # If no version is specified, show the most recent version.
             version = Version.objects.most_recent()
             if version:
@@ -132,10 +132,12 @@ class LibraryList(VersionAlertMixin, ListView):
             context["category"] = Category.objects.get(
                 slug=self.request.GET["category"]
             )
-        if "version" in self.request.GET:
-            context["version"] = Version.objects.get(slug=self.request.GET["version"])
-        else:
+
+        if "version" not in self.request.GET or self.request.GET["version"] == "latest":
             context["version"] = Version.objects.most_recent()
+        else:
+            context["version"] = Version.objects.get(slug=self.request.GET["version"])
+
         context["categories"] = self.get_categories(context["version"])
         context["versions"] = self.get_versions()
         context["library_list"] = self.get_queryset()
diff --git a/templates/libraries/detail.html b/templates/libraries/detail.html
index 17b36d8a..8a700bcd 100644
--- a/templates/libraries/detail.html
+++ b/templates/libraries/detail.html
@@ -26,7 +26,7 @@
                     name="version"
                     class="dropdown"
                     id="id_version">
-              {% comment %} <option>Filter by version</option> {% endcomment %}
+              <option value="latest" {% if version == "latest" %}selected="selected"{% endif %}>Latest</option>
               {% for v in versions %}
                 <option value="{{ v.pk }}"
                         {% if version == v %}selected="selected"{% endif %}>{{ v.display_name }}</option>
diff --git a/templates/libraries/list.html b/templates/libraries/list.html
index de3aa06c..1cd08a8c 100644
--- a/templates/libraries/list.html
+++ b/templates/libraries/list.html
@@ -80,6 +80,7 @@
                 name="version"
                 class="dropdown py-2 ml-auto md:block h-[38px]"
                 id="id_version">
+          <option value="latest" {% if version == "latest" %}selected="selected"{% endif %}>Latest</option>
           {% for v in versions %}
           <option value="{{ v.slug }}" {% if version == v %}selected="selected"{% endif %}>{{ v.display_name }}</option>
           {% endfor %}