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authorEric Wong <e@80x24.org>2015-08-15 23:41:21 +0000
committerEric Wong <e@80x24.org>2015-08-15 23:45:33 +0000
commitf79d00b03dfa4f3f3c13bee4654d243c1d2fcd97 (patch)
treee618b78931df2d7783e5f3c356fd9ffc5d5fac08
parent226657eb31e326cc8329229e8ba0f63ff4c75083 (diff)
downloadpublic-inbox-f79d00b03dfa4f3f3c13bee4654d243c1d2fcd97.tar.gz
We'll be sharing the same threading, so it makes sense to sort
replies using the same code and message headers without repeating
ourselves.

This also standardizes on sorting on X-PI-TS (Unix epoch in seconds)
instead over using X-PI-Date differently in two different places
-rw-r--r--lib/PublicInbox/Feed.pm25
-rw-r--r--lib/PublicInbox/Thread.pm14
-rw-r--r--lib/PublicInbox/View.pm12
3 files changed, 21 insertions, 30 deletions
diff --git a/lib/PublicInbox/Feed.pm b/lib/PublicInbox/Feed.pm
index f7c2f329..b5325597 100644
--- a/lib/PublicInbox/Feed.pm
+++ b/lib/PublicInbox/Feed.pm
@@ -73,11 +73,13 @@ sub generate_html_index {
                 '</head><body>' . PRE_WRAP;
 
         # sort child messages in chronological order
-        $th->order(sub { mime_sort_children(@_) });
+        $th->order(*PublicInbox::Thread::sort_ts);
 
         # except we sort top-level messages reverse chronologically
         my $state = [ time, {}, $first, 0 ];
-        for (mime_sort_roots($th)) { dump_msg($_, 0, \$html, $state) }
+        for (PublicInbox::Thread::rsort_ts($th->rootset)) {
+                dump_msg($_, 0, \$html, $state)
+        }
         Email::Address->purge_cache;
 
         my $footer = nav_footer($args->{cgi}, $last, $feed_opts, $state);
@@ -299,26 +301,9 @@ sub mime_load_for_sort {
 
         my $t = eval { str2time($mime->header('Date')) };
         defined($t) or $t = 0;
-        $mime->header_set('X-PI-Date', $t);
+        $mime->header_set('X-PI-TS', $t);
         push @$messages, $mime;
         1;
 }
 
-# children are chronological
-sub mime_sort_children {
-        sort {
-                $a->topmost->message->header('X-PI-Date') <=>
-                $b->topmost->message->header('X-PI-Date')
-        } @_;
-}
-
-# parents are reverse chronological
-sub mime_sort_roots {
-        my ($th) = @_;
-        sort {
-                (eval { $b->message->header('X-PI-Date') } || 0) <=>
-                (eval { $a->message->header('X-PI-Date') } || 0)
-        } $th->rootset;
-}
-
 1;
diff --git a/lib/PublicInbox/Thread.pm b/lib/PublicInbox/Thread.pm
index 7dabf243..58efb8dc 100644
--- a/lib/PublicInbox/Thread.pm
+++ b/lib/PublicInbox/Thread.pm
@@ -12,6 +12,20 @@ if ($Mail::Thread::VERSION <= 2.55) {
         eval q(sub _container_class { 'PublicInbox::Thread::Container' });
 }
 
+sub sort_ts {
+        sort {
+                (eval { $a->topmost->message->header('X-PI-TS') } || 0) <=>
+                (eval { $b->topmost->message->header('X-PI-TS') } || 0)
+        } @_;
+}
+
+sub rsort_ts {
+        sort {
+                (eval { $b->topmost->message->header('X-PI-TS') } || 0) <=>
+                (eval { $a->topmost->message->header('X-PI-TS') } || 0)
+        } @_;
+}
+
 package PublicInbox::Thread::Container;
 use strict;
 use warnings;
diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index fcc98ab8..dcdb3109 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -67,7 +67,7 @@ sub index_entry {
         $subj = PublicInbox::Hval->new_oneline($subj)->as_html;
         my $pfx = ('  ' x $level);
 
-        my $ts = $mime->header('X-PI-Date');
+        my $ts = $mime->header('X-PI-TS');
         my $fmt = '%Y-%m-%d %H:%M UTC';
         $ts = POSIX::strftime($fmt, gmtime($ts));
 
@@ -391,14 +391,6 @@ sub anchor_for {
         'm' . mid_compressed(mid_clean($msgid));
 }
 
-# children are chronological
-sub simple_sort_children {
-        sort {
-                (eval { $a->topmost->message->header('X-PI-TS') } || 0) <=>
-                (eval { $b->topmost->message->header('X-PI-TS') } || 0)
-        } @_;
-}
-
 sub simple_dump {
         my ($dst, $root, $node, $level) = @_;
         $$dst .= '  ' x $level;
@@ -441,7 +433,7 @@ sub thread_replies {
         $root->header_set('X-PI-TS', '0');
         my $th = PublicInbox::Thread->new($root, @msgs);
         $th->thread;
-        $th->order(sub { simple_sort_children(@_) });
+        $th->order(*PublicInbox::Thread::sort_ts);
         $root = [ $root->header('Message-ID'),
                   clean_subj($root->header('Subject')) ];
         simple_dump($dst, $root, $_, 0) for $th->rootset;