lei ls-mail-source: write through to URL folder cache

We'll be able to use this for shell completion for
lei import, lcat, tag, etc..

This also adds --url support for scripting purposes.

1 files changed, 40 insertions, 2 deletions

diff --git a/lib/PublicInbox/LeiLsMailSource.pm b/lib/PublicInbox/LeiLsMailSource.pm
index e95c0b34..cadc61ed 100644
--- a/lib/PublicInbox/LeiLsMailSource.pm
+++ b/lib/PublicInbox/LeiLsMailSource.pm
@@ -21,19 +21,27 @@ sub input_path_url { # overrides LeiInput version
         } elsif ($self->{lei}->{opt}->{z}) {
                 $ORS = "\0";
         }
+        my @f;
         if ($url =~ m!\Aimaps?://!i) {
                 my $uri = PublicInbox::URIimap->new($url);
+                my $sec = $lei->{net}->can('uri_section')->($uri);
                 my $mic = $lei->{net}->mic_get($uri);
                 my $l = $mic->folders_hash($uri->path); # server-side filter
+                @f = map { "$sec/$_->{name}" } @$l;
                 if ($json) {
+                        $_->{url} = "$sec/$_->{name}" for @$l;
                         $lei->puts($json->encode($l));
                 } else {
+                        if ($self->{lei}->{opt}->{url}) {
+                                $_->{name} = "$sec/$_->{name}" for @$l;
+                        }
                         $lei->out(join($ORS, (map { $_->{name} } @$l), ''));
                 }
         } elsif ($url =~ m!\A(?:nntps?|s?news)://!i) {
                 my $uri = PublicInbox::URInntps->new($url);
                 my $nn = $lei->{net}->nn_get($uri);
                 my $l = $nn->newsgroups($uri->group); # name => description
+                my $sec = $lei->{net}->can('uri_section')->($uri);
                 if ($json) {
                         my $all = $nn->list;
                         my @x;
@@ -46,15 +54,30 @@ sub input_path_url { # overrides LeiInput version
                                 $desc =~ s/\r\z//;
 
                                 my ($hwm, $lwm, $status) = @{$all->{$ng}};
-                                push @x, { name => $ng, lwm => $lwm + 0,
+                                push @x, { name => $ng, url => "$sec/$ng",
+                                        lwm => $lwm + 0,
                                         hwm => $hwm + 0, status => $status,
                                         description => $desc };
                         }
+                        @f = map { "$sec/$_" } keys %$all;
                         $lei->puts($json->encode(\@x));
                 } else {
-                        $lei->out(join($ORS, sort(keys %$l), ''));
+                        @f = map { "$sec/$_" } keys %$l;
+                        if ($self->{lei}->{opt}->{url}) {
+                                $lei->out(join($ORS, sort(@f), ''));
+                        } else {
+                                $lei->out(join($ORS, sort(keys %$l), ''));
+                        }
                 }
         } else { die "BUG: $url not supported" }
+        if (@f) {
+                my $fc = $lei->url_folder_cache;
+                my $lk = $fc->lock_for_scope;
+                $fc->dbh->begin_work;
+                my $now = time;
+                $fc->set($_, $now) for @f;
+                $fc->dbh->commit;
+        }
 }
 
 sub lei_ls_mail_source {
@@ -62,6 +85,7 @@ sub lei_ls_mail_source {
         $url =~ m!\A(?:imaps?|nntps?|s?news)://!i or return
                 $lei->fail('only NNTP and IMAP URLs supported');
         my $self = bless { pfx => $pfx, -ls_ok => 1 }, __PACKAGE__;
+        $self->{cfg} = $lei->_lei_cfg; # may be undef
         $self->prepare_inputs($lei, [ $url ]) or return;
         $lei->start_pager if -t $lei->{1};
         my $ops = {};
@@ -74,6 +98,20 @@ sub lei_ls_mail_source {
         $lei->wait_wq_events($op_c, $ops); # net_merge_all_done if !{auth}
 }
 
+sub _complete_ls_mail_source {
+        my ($lei, @argv) = @_;
+        my $match_cb = $lei->complete_url_prepare(\@argv);
+        my @m = map { $match_cb->($_) } $lei->url_folder_cache->keys;
+        my %f = map { $_ => 1 } @m;
+        my $sto = $lei->_lei_store;
+        if (my $lms = $sto ? $sto->search->lms : undef) {
+                @m = map { $match_cb->($_) } grep(
+                        m!\A(?:imaps?|nntps?|s?news)://!, $lms->folders);
+                @f{@m} = @m;
+        }
+        keys %f;
+}
+
 no warnings 'once';
 *ipc_atfork_child = \&PublicInbox::LeiInput::input_only_atfork_child;
 *net_merge_all_done = \&PublicInbox::LeiInput::input_only_net_merge_all_done;