From 65fb0cf510e90b6dddea6e12f49ec73f1f2a9747 Mon Sep 17 00:00:00 2001
From: lllusion3469 <31420484+lllusion3469@users.noreply.github.com>
Date: Wed, 8 Apr 2020 16:32:55 +0200
Subject: [PATCH] tumblr: pick biggest image based on resolution

photo[:alt_sizes] may contain a bigger image than
photo[:original_size]

fixes #4324
---
 app/logical/sources/strategies/tumblr.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/logical/sources/strategies/tumblr.rb b/app/logical/sources/strategies/tumblr.rb
index d3469d9db..7cae9a3a2 100644
--- a/app/logical/sources/strategies/tumblr.rb
+++ b/app/logical/sources/strategies/tumblr.rb
@@ -46,7 +46,11 @@ module Sources::Strategies
 
       case post[:type]
       when "photo"
-        list += post[:photos].map { |photo| photo[:original_size][:url] }
+        list += post[:photos].map do |photo|
+          sizes = [photo[:original_size]] + photo[:alt_sizes]
+          biggest = sizes.max_by { |x| x[:width] * x[:height] }
+          biggest[:url]
+        end
 
       when "video"
         list += [post[:video_url]]