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package OliveStory;
require Exporter;
use warnings;
use strict;
use Date::Calc qw(Day_of_Week Mktime Timezone Delta_DHMS);
use Encode;
use OliveMisc;
use OliveWindow;
our @ISA = qw(Exporter);
our @EXPORT = qw( &markall &markone &refreshlist &storyprev &storynext &shiftlist );
#######################################################################
## story display logic ##############################################
#######################################################################
sub markall {
# sets the 'read' status of all db entries to true or false
# depending on its second argument
my ($cui,$ru) = @_;
my $ff = ($ru == 1) ? 0 : 1;
my $d = $cui->userdata->{dbh};
db_fastmode($d);
$d->do("UPDATE stories SET read = $ru WHERE id > 0 AND read = $ff");
refreshlist($cui);
db_safemode($d);
}
sub markone {
# sets the 'read' status of current selected story to true or false
# depending on its second argument
my ($cui,$ru) = @_;
my $w = $cui->userdata->{wins};
my $ff = ($ru == 1) ? 0 : 1;
my ($sel) = $w->{news}{list}->get_active_id;
$cui->userdata->{nlsel} = $sel;
$cui->userdata->{nlsel} = $sel + 1 if $ru; # bump ahead one if marking 'read'
$sel = $w->{news}{list}{-values}[$sel];
my $d = $cui->userdata->{dbh};
db_fastmode($d);
$d->do("UPDATE stories SET read = $ru WHERE id = $sel AND read = $ff");
refreshlist($cui);
shiftlist($cui);
$w->{news}{list}->set_selection(-10061);
db_safemode($d);
}
sub starone {
my $cui = shift;
my $w = $cui->userdata->{wins};
my $c = $cui->userdata->{c};
my $d = $cui->userdata->{dbh};
my ($sel) = $w->{news}{list}->get_active_id;
$cui->userdata->{nlsel} = $cui->userdata->{star} ? 0 : $sel;
$sel = $w->{news}{list}{-values}[$sel];
db_fastmode($d);
my ($star) = $d->selectrow_array("SELECT star FROM stories WHERE id = $sel");
$star = $star ? 0 : 1;
my $statement = "UPDATE stories SET star = $star WHERE id = $sel";
my $sth = $d->prepare($statement);
$sth->execute;
refreshlist($cui);
shiftlist($cui);
$w->{news}{list}->set_selection(-10061);
db_safemode($d);
}
#-------------------------------------------------------------
sub refreshlist {
# (re)generates the olive story list
my $cui = shift;
my $w = $cui->userdata->{wins};
my $c = $cui->userdata->{c};
my $d = $cui->userdata->{dbh};
my $u = $cui->userdata->{utf8};
my $x = $w->{dim}[0];
my @values = ();
my %labels = ();
my $select = -1;
my $fill = $x - 28; # how much space to reserve on the right
my $flagged= ''; # sql subquery of flagged feeds
my $r1 = 1; # have we already added the new/old separator?
my @t = gmtime(( time() - ($cui->userdata->{tz} * 3600)));
my $i = 0;
my $j = 0;
# set y-pos of list depending on whether we have a titlebar or not
my $y = $c->{dst} ? 0 : 1;
# build list of flagged feeds if we're filtering on that
if ($cui->userdata->{flag}) {
my $flagcount = 0;
foreach my $nick (keys %{$c->{feeds}}) {
next unless $c->{feeds}{$nick}{flag};
$flagged .= 'OR ' if $flagcount;
$flagged .= "nick = '$nick' ";
$flagcount++;
}
unless ($flagcount) {
$cui->userdata->{flag} = 0;
errorbox($cui,'There are no flagged feeds.','Info');
}
}
# and get a count of starred stories if filtering there
if ($cui->userdata->{star}) {
my $s = 'SELECT count(id) FROM STORIES WHERE star = 1 ';
$s .= "AND ($flagged) " if $flagged;
my ($starcount) = $d->selectrow_array($s);
unless ($starcount) {
$cui->userdata->{star} = 0;
errorbox($cui, 'There are no starred stories in the set of flagged feeds.','Info')
if $flagged;
errorbox($cui, 'There are no starred stories.','Info') unless $flagged;
}
}
# get counts of unread and new stories
my $urstatement = 'SELECT count(id) FROM stories WHERE read = 0 ';
$urstatement .= 'AND star = 1 ' if $cui->userdata->{star};
$urstatement .= "AND ($flagged) " if $flagged;
my $newstatement = 'SELECT count(id) FROM stories WHERE new = 1 ';
$newstatement .= 'AND star = 1 ' if $cui->userdata->{star};
$newstatement .= "AND ($flagged) " if $flagged;
$cui->userdata->{ur} = $d->selectrow_array($urstatement);
$cui->userdata->{new} = $d->selectrow_array($newstatement);
# set up statements for gathering stories
my @statement = ();
$statement[0] = 'SELECT id,title,nick,timestamp,read,star FROM stories WHERE (new = 1 OR read = 0) ';
$statement[0] .= 'AND star = 1 ' if $cui->userdata->{star};
$statement[0] .= "AND ($flagged) " if $flagged;
$statement[0] .= 'ORDER BY timestamp';
$statement[1] = 'SELECT id,title,nick,timestamp,read,star FROM stories WHERE (new = 0 AND read = 1) ';
$statement[1] .= 'AND star = 1 ' if $cui->userdata->{star};
$statement[1] .= "AND ($flagged) " if $flagged;
$statement[1] .= 'ORDER BY timestamp DESC';
# fetch, and build list
for (0..1) {
my $sth = $d->prepare($statement[$_]);
$sth->execute;
while (my $q = $sth->fetchrow_arrayref) {
# insert a row of '-'s between unread and read stories
if ($_ == 1 && $i && $j && $r1) {
$values[$i] = -10061; # NEWTON OS IS BETTER THAN YOU
$labels{-10061} = '-' x $x;
$i++;
$r1 = 0;
}
my @t2 = gmtime($q->[3]);
my $timestring = '';
if ($q->[3] == 0) { # no time given in feed
$timestring = " ???";
} else {
my ($Dd,$Dh,$Dm,$Ds) = Delta_DHMS(($t2[5]+1900),($t2[4]+1),$t2[3], $t2[2],$t2[1],$t2[0],
($t[5]+1900), ($t[4]+1), $t[3], $t[2], $t[1], $t[0]);
$timestring = sprintf("%02dh %02dm",$Dh,abs($Dm));
$timestring = sprintf("%02dd %02dh",$Dd,abs($Dh)) if $Dd;
$timestring = " +99d" if ($Dd > 99);
}
my $nick = sprintf("%-16s ",$c->{feeds}{$q->[2]}{disp});
$q->[1] = "[Null]" unless (defined $q->[1]);
my $label = $q->[1];
Encode::_utf8_on($label) if ($u);
$label = substr($label,0,$fill - 1);
$label = $label . (' ' x ($fill - length($label)));
my $read = $q->[4] ? ' -' : ' @'; # read/unread indicator
my $star = $q->[5] ? ' *' : ' '; # starred indicator
$values[$i] = $q->[0];
$labels{$q->[0]} = $label . $nick . $timestring . $star . $read;
$i++;
$j = 1 if ($_ == 0 && $i);
}
}
$select = $cui->userdata->{nlsel} if $cui->userdata->{nlsel};
$w->{news}->delete('newslist') if (defined $w->{news}{list});
$w->{news}{list} = $w->{news}->add('newslist', 'Listbox',
-y => $y,
-values => \@values,
-labels => \%labels,
-height => int($w->{dim}[1] / 2) - (1 + $y),
-selected => $select,
-vscrollbar => 1,
-onchange => sub { storypick($cui) },
-onselchange=> sub { winstatus($cui)
if ($c->{sls} && !$cui->userdata->{shift})},
);
winflip($cui,'story') unless ($cui->userdata->{focus} eq 'story');
winstatus($cui) if $c->{sls};
}
#-------------------------------------------------------------
sub shiftlist {
my $cui = shift;
my $w = $cui->userdata->{wins};
$cui->userdata->{nlsel} = 0;
$cui->userdata->{shift} = 1;
my $halfheight = int($w->{news}{list}->canvasheight /2);
my $i = my $j = 0;
for $j (1..$halfheight - 1) {
last if ($w->{news}{list}->{-ypos} == $w->{news}{list}->{-max_selected});
$w->{news}{list}->option_next;
$i++;
}
for (1..$i) {
$w->{news}{list}->option_prev;
}
$i = 0;
for $j (1..$halfheight) {
last if ($w->{news}{list}->{-ypos} == 0);
$w->{news}{list}->option_prev;
$i++;
}
for (1..$i) {
$w->{news}{list}->option_next;
}
$w->{news}{list}->draw;
$cui->userdata->{shift} = 0;
winstatus($cui) if $cui->userdata->{c}->{sls}
}
#-------------------------------------------------------------
sub storynext {
my $cui = shift;
my $w = $cui->userdata->{wins};
my $c = $cui->userdata->{c};
$cui->userdata->{shift} = 1;
$w->{news}{list}->option_next;
my $id = $w->{news}{list}->get_active_id;
# handle skip-read
if ($c->{snu}) {
my $d = $cui->userdata->{dbh};
my $rid = $w->{news}{list}{-values}[$id];
my ($read) = $d->selectrow_array("SELECT read FROM stories WHERE id = $rid");
my $lastid = -1;
while ($read) {
$w->{news}{list}->option_next;
$rid = $w->{news}{list}{-values}[$w->{news}{list}->get_active_id];
($read) = $d->selectrow_array("SELECT read FROM stories WHERE id = $rid");
last if ($lastid == $rid); # infinite loop escape
$lastid = $rid;
}
$id = $w->{news}{list}->get_active_id;
}
# make sure we're not standing on the divider
storynext($cui) if ( $w->{news}{list}{-values}[$id] == -10061);
# set new selection
$cui->userdata->{shift} = 0;
$w->{news}{list}->set_selection($id);
}
#-------------------------------------------------------------
sub storyprev {
my $cui = shift;
my $w = $cui->userdata->{wins};
my $c = $cui->userdata->{c};
$cui->userdata->{shift} = 1;
$w->{news}{list}->option_prev;
my $id = $w->{news}{list}->get_active_id;
# handle skip-read
if ($c->{snu}) {
my $d = $cui->userdata->{dbh};
my $rid = $w->{news}{list}{-values}[$id];
my ($read) = $d->selectrow_array("SELECT read FROM stories WHERE id = $rid");
my $lastid = -1;
while ($read) {
$w->{news}{list}->option_prev;
$rid = $w->{news}{list}{-values}[$w->{news}{list}->get_active_id];
($read) = $d->selectrow_array("SELECT read FROM stories WHERE id = $rid");
last if ($lastid == $rid); # infinite loop escape
$lastid = $rid;
}
$id = $w->{news}{list}->get_active_id;
}
# make sure we're not standing on the divider
storyprev($cui) if ( $w->{news}{list}{-values}[$id] == -10061);
# set new selection
$cui->userdata->{shift} = 0;
$w->{news}{list}->set_selection($id);
}
#-------------------------------------------------------------
sub storypick {
my $cui = shift;
my $w = $cui->userdata->{wins};
my $c = $cui->userdata->{c};
my $d = $cui->userdata->{dbh};
my $u = $cui->userdata->{utf8};
my $sel = $w->{news}{list}->get;
my $id = $w->{news}{list}->get_active_id;
return if (!defined $sel or $sel == -10061 or $sel eq ''); # hitting enter on the separator/with no feeds
$w->{news}{ftr1}->text('Fetching...' . ' ' x ($w->{dim}[0] - 11));
$w->{news}{ftr1}->draw;
db_fastmode($d);
my @story = $d->selectrow_array("SELECT nick,title,timestamp,desc,link,read FROM stories WHERE id = $sel");
$cui->userdata->{sid} = $sel;
$cui->userdata->{chan} = $c->{feeds}{$story[0]}{title};
$w->{news}{ftr1}->text(' ' x $w->{dim}[0]);
winstatus($cui) if $c->{sls};
$w->{news}{ftr1}->draw;
# just in case (especially titles)
$story[1] = "[NULL]" unless (defined $story[1]);
$story[3] = "[NULL]" unless (defined $story[3]);
# paint story
if ($u) {
Encode::_utf8_on($story[1]);
Encode::_utf8_on($story[3]);
Encode::_utf8_on($story[4]);
}
my $pad = ' ' x int(($w->{dim}[0] - length($story[1])) / 2);
my $pad2 = ' ' x ( int(($w->{dim}[0] - length($story[1])) / 2) - 2 );
my $title = join('',$pad,$story[1],$pad2,"\n",$pad,('-' x length($story[1])),$pad2,"\n\n");
$story[3] = join('',$title,$story[3],"\n\n--\n",$story[4]);
$w->{story}{view}->text($story[3]);
$w->{story}{view}->cursor_to_home;
$w->{story}{view}->draw;
# there's been user action; reset the "polled since" hash
undef $cui->userdata->{polled};
undef $cui->userdata->{pwhen};
# mark story read
unless ($story[5]) { # if unread...
$d->do("UPDATE stories SET read = 1 WHERE id = $sel");
# sekrit message passing for menu rebuild
$cui->userdata->{nlsel} = $id || '0E0';
refreshlist($cui);
}
# window+system housekeeping
shiftlist($cui);
db_safemode($d);
}
=head1 COPYRIGHT & LICENSE
Copyright 2005 Shawn Boyette, All Rights Reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
1;
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