From 81b5d525ff9f361f7c619c119378420c05c63967 Mon Sep 17 00:00:00 2001
From: 4chenz <desu.4chenz@national.shitposting.agency>
Date: Wed, 18 Nov 2020 18:27:54 -0700
Subject: [PATCH 1/2] add Posts Per Minute

---
 src/General/Index.coffee        | 3 +++
 src/General/Index/NavLinks.html | 1 +
 2 files changed, 4 insertions(+)

diff --git a/src/General/Index.coffee b/src/General/Index.coffee
index b4c30a727..c98d84208 100644
--- a/src/General/Index.coffee
+++ b/src/General/Index.coffee
@@ -403,6 +403,7 @@ Index =
       'creation-date':     'birth'
       'reply-count':       'replycount'
       'file-count':        'filecount'
+      'posts-per-minute':  'activity'
 
   processHash: ->
     # XXX https://bugzilla.mozilla.org/show_bug.cgi?id=483304
@@ -816,6 +817,7 @@ Index =
   sort: ->
     {liveThreadIDs, liveThreadData} = Index
     return unless liveThreadData
+    tmp_time = new Date().getTime()/1000;
     sortType = Index.currentSort.replace(/-rev$/, '')
     Index.sortedThreadIDs = switch sortType
       when 'lastreply', 'lastlong'
@@ -841,6 +843,7 @@ Index =
       when 'birth'      then [liveThreadIDs... ].sort (a, b) -> b - a
       when 'replycount' then [liveThreadData...].sort((a, b) -> b.replies - a.replies).map (post) -> post.no
       when 'filecount'  then [liveThreadData...].sort((a, b) -> b.images  - a.images ).map (post) -> post.no
+      when 'activity'   then [liveThreadData...].sort((a, b) -> (tmp_time-a.time)/a.replies - (tmp_time-b.time)/b.replies ).map (post) -> post.no
       else liveThreadIDs
     if /-rev$/.test(Index.currentSort)
       Index.sortedThreadIDs = [Index.sortedThreadIDs...].reverse()
diff --git a/src/General/Index/NavLinks.html b/src/General/Index/NavLinks.html
index d93f07e16..ce35eee6c 100644
--- a/src/General/Index/NavLinks.html
+++ b/src/General/Index/NavLinks.html
@@ -20,6 +20,7 @@
     <option value="birth">Creation date</option>
     <option value="replycount">Reply count</option>
     <option value="filecount">File count</option>
+    <option value="activity">Posts Per Minute</option>
   </select>
   <select id="index-size" name="Index Size">
     <option disabled>Image Size</option>

From f53c22e777c29e2f30897655913a721f700f8435 Mon Sep 17 00:00:00 2001
From: 4chenz <desu.4chenz@national.shitposting.agency>
Date: Thu, 19 Nov 2020 14:14:09 -0700
Subject: [PATCH 2/2] new threads to top

---
 src/General/Index.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/General/Index.coffee b/src/General/Index.coffee
index c98d84208..81ea11648 100644
--- a/src/General/Index.coffee
+++ b/src/General/Index.coffee
@@ -843,7 +843,7 @@ Index =
       when 'birth'      then [liveThreadIDs... ].sort (a, b) -> b - a
       when 'replycount' then [liveThreadData...].sort((a, b) -> b.replies - a.replies).map (post) -> post.no
       when 'filecount'  then [liveThreadData...].sort((a, b) -> b.images  - a.images ).map (post) -> post.no
-      when 'activity'   then [liveThreadData...].sort((a, b) -> (tmp_time-a.time)/a.replies - (tmp_time-b.time)/b.replies ).map (post) -> post.no
+      when 'activity'   then [liveThreadData...].sort((a, b) -> (tmp_time-a.time)/(a.replies+1) - (tmp_time-b.time)/(b.replies+1) ).map (post) -> post.no
       else liveThreadIDs
     if /-rev$/.test(Index.currentSort)
       Index.sortedThreadIDs = [Index.sortedThreadIDs...].reverse()