fixes #3856 for pixiv fanbox urls

app/logical/sources/strategies/pixiv.rb

@@ -14,11 +14,12 @@ module Sources
       TOUCH =   %r!(?:\A(?:https?://)?touch\.pixiv\.net)!
       STACC_PAGE = %r!\A#{WEB}/stacc/#{MONIKER}/?\z!i
       NOVEL_PAGE = %r!(?:\Ahttps?://www\.pixiv\.net/novel/show\.php\?id=(\d+))!
+      FANBOX_ACCOUNT = %r!(?:\Ahttps?://www\.pixiv\.net/fanbox/creator/\d+\z)!
       FANBOX_IMAGE = %r!(?:\Ahttps?://fanbox\.pixiv\.net/images/post/(\d+))!
       FANBOX_PAGE = %r!(?:\Ahttps?://www\.pixiv\.net/fanbox/creator/\d+/post/(\d+))!
 
       def self.match?(*urls)
-        urls.compact.any? { |x| x.match?(/#{WEB}|#{IMG}|#{I12}|#{TOUCH}|#{PXIMG}|#{FANBOX_IMAGE}/i) }
+        urls.compact.any? { |x| x.match?(/#{WEB}|#{IMG}|#{I12}|#{TOUCH}|#{PXIMG}|#{FANBOX_IMAGE}|#{FANBOX_ACCOUNT}/i) }
       end
 
       def self.to_dtext(text)
@@ -59,6 +60,10 @@ module Sources
           return "https://www.pixiv.net/fanbox/creator/#{metadata.user_id}/post/#{fanbox_id}"
         end
 
+        if fanbox_account_id.present?
+          return "https://www.pixiv.net/fanbox/creator/#{fanbox_account_id}"
+        end
+
         if illust_id.present?
           return "http://www.pixiv.net/member_illust.php?mode=medium&illust_id=#{illust_id}"
         end
@@ -244,6 +249,17 @@ module Sources
       end
       memoize :fanbox_id
 
+      def fanbox_account_id
+        [url, referer_url].each do |x|
+          if x =~ FANBOX_ACCOUNT
+            return x
+          end
+        end
+
+        return nil
+      end
+      memoize :fanbox_account_id
+
       def agent
         PixivWebAgent.build
       end

test/unit/artist_url_test.rb

@@ -135,6 +135,12 @@ class ArtistUrlTest < ActiveSupport::TestCase
       assert_equal("http://www.pixiv.net/stacc/evazion/", url.normalized_url)
     end
 
+    should "normalize pixiv fanbox account urls" do
+      url = FactoryBot.create(:artist_url, :url => "http://www.pixiv.net/fanbox/creator/3113804")
+      assert_equal("http://www.pixiv.net/fanbox/creator/3113804", url.url)
+      assert_equal("http://www.pixiv.net/fanbox/creator/3113804/", url.normalized_url)
+    end
+
     should "normalize twitter urls" do
       url = FactoryBot.create(:artist_url, :url => "https://twitter.com/aoimanabu/status/892370963630743552")
       assert_equal("https://twitter.com/aoimanabu/status/892370963630743552", url.url)