From 4866901159d34f39ad7f3f88f8dfab7c5ef45833 Mon Sep 17 00:00:00 2001
From: Felix Stupp <felix.stupp@banananet.work>
Date: Sun, 6 Nov 2022 14:57:45 +0100
Subject: [PATCH] thumbnail view: Search for collection link if requested

- uses one found, if only one was found to prevent issues when multiple
would be possible
---
 server/app.py               | 6 ++++++
 server/templates/macros.htm | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/server/app.py b/server/app.py
index d3923c2..92ff473 100644
--- a/server/app.py
+++ b/server/app.py
@@ -21,6 +21,7 @@ from typing import (
     List,
     Mapping,
     Optional,
+    Sequence,
     Set,
     Type,
     TypeVar,
@@ -246,6 +247,11 @@ def encode_options(opts: Mapping[str, Any]) -> str:
     return urlencode({k: str(v) for k, v in opts.items()}, quote_via=quote_plus)
 
 
+@flask_app.template_filter()
+def first_and_only(list: Sequence[T]) -> Optional[T]:
+    return list[0] if len(list) == 1 else None
+
+
 @flask_app.template_global()
 def this_url(changed_args: Mapping[str, str] = {}) -> str:
     if request.endpoint is None:
diff --git a/server/templates/macros.htm b/server/templates/macros.htm
index 3436d2c..160fecc 100644
--- a/server/templates/macros.htm
+++ b/server/templates/macros.htm
@@ -388,6 +388,9 @@
                 alt="Thumbnail for {{ element.title }}"
                 loading="lazy"
             />
+            {% if link == None %}
+                {% set link = element.detected_playlists | list | first_and_only %}
+            {% endif %}
             {% if link and (link.season or link.episode) %}
                 <a
                     class="episode_info"