rss2html/search.cgi

183 lines
6.4 KiB
Perl
Executable File

#!/usr/bin/perl
# Parameters
#
# s=string
# search string
use v5.24;
use warnings;
use utf8;
use CGI;
use Cache::Memcached;
use DBI;
use Data::Dumper;
use Encode qw(encode_utf8 decode_utf8);
use POSIX qw(strftime);
use Rss2Html::Scrubber;
use Time::HiRes qw(time);
my $db_conn = "dbi:Pg:dbname=rss2html";
$| = 1;
my $start = time();
my $q = CGI->new();
binmode STDOUT, ":encoding(UTF-8)";
my $mcd = Cache::Memcached->new(servers => ['127.0.0.1:11211']);
search();
sub search {
print "Content-Type: text/html; charset=utf-8\n";
print "Refresh: 600\n";
print "\n";
print "<meta name='viewport' content='width=device-width, initial-scale=1' />\n";
print "<link rel='stylesheet' type='text/css' href='rss2html.css'/>\n";
print "<h1><a href='/'>RSS 2 HTML</a></h1>\n";
print "<div class='lastupdate'>", strftime("%Y-%m-%d %H:%M:%S%z", localtime()), "</div>\n";
my $dbh = DBI->connect($db_conn, "", "");
$dbh->{sqlite_unicode} = 1;
my $fields = "feeds.id as feed_id, feeds.title as feed_title, allow_img, link, items.title as item_title, content, "
. "items.id as item_id, issued, read.username, lang";
my $tables = "items
join feeds on items.feed_id=feeds.id
left outer join read on (items.id=read.item_id and username=?)";
my @params = ($q->remote_user);
my @where;
my $search_expr = $q->param('s');
print_searchform();
if ($search_expr) {
my @terms = split(' ', $search_expr); # XXX - quotes?
for my $t (@terms) {
my $t2 = $t;
my $not = "";
if ($t2 =~ /^-/) {
$not = "not ";
$t2 = substr($t2, 1);
}
$t2 =~ s/_/\\_/g;
$t2 =~ s/%/\\%/g;
$t2 =~ s/\?/_/g;
$t2 =~ s/\*/%/g;
$t2 = "%$t2%";
push @where, "$not(items.title ilike ? or items.link ilike ? or items.content ilike ?)";
push @params, ($t2, $t2, $t2)
}
my $where = join(" and ", @where);
my $cmd = "select $fields from $tables where $where order by issued desc";
print_log("$cmd");
my $items = $dbh->selectall_arrayref($cmd, { Slice => {} }, @params);
print_itemlist($items, []);
}
print_log("search done");
}
sub print_searchform {
print "<form action='./search'>\n";
print "<input name='s' size='50'>\n";
print "<input type='submit' value='\x{1f50d}'>\n";
print "</form>\n";
}
sub print_itemlist {
my ($items, $feeds, $show_form, $remix) = @_;
# Optionally show form to select feeds, show later, etc.
# This should probably be outside of this function
if ($show_form) {
print "<form action='./'>\n";
print "<select name='fis'>\n";
print "<option value=''>\n";
for my $f (@$feeds) {
print "<option value='" . $q->escapeHTML($f->{id}) . "' " . ($f->{selected} ? "selected='selected'" : "") .">" . $q->escapeHTML($f->{title}) . "</option>\n";
}
print "</select>\n";
print "<label><input type='checkbox' name='sl'" . ($q->param('sl') ? " checked" : "") . "> Show later</label>\n";
my $fls = $q->param('fls');
print "<input type='hidden' name='fls' value='" . $q->escapeHTML($fls) . "'>\n" if defined $fls;
print "<input type='hidden' name='sr' value='10'>\n";
print "<input type='submit' value='»'>\n";
print "</form>\n";
}
print "<div class='itemlist'>\n";
my $n_items = 0;
my $n_html_mcd = 0;
my $n_scrub_mcd = 0;
my $n_scrub = 0;
print_log("print_itemlist: \$q=" . $q->self_url);
my $q1 = CGI->new($q);
print_log("print_itemlist: \$q1=" . $q1->self_url . " (before loop)");
my $q_later = CGI->new($q);
# Optional remix. Does that have to be here or can we do it before
# calling print_itemlist?
if ($remix) {
print_log(scalar @$items . " before remix");
$items = remix($items);
print_log(scalar @$items . " after remix");
}
for my $item (@$items) {
$n_items++;
my $is_read = defined($item->{username});
my $scrubbed_content = $mcd->get(scrubbed_content_key($item->{item_id}));
if ($scrubbed_content) {
$scrubbed_content = decode_utf8($scrubbed_content);
$n_scrub_mcd++;
} else {
my $scrubber = Rss2Html::Scrubber->new(allow_img => $item->{allow_img});
$scrubbed_content = $scrubber->scrub($item->{content});
$mcd->set(scrubbed_content_key($item->{item_id}), encode_utf8($scrubbed_content), 3600);
$n_scrub++;
}
$q1->param('mark', $item->{item_id});
$q_later->param('later', $item->{item_id});
my $item_class = 'item' . ($is_read ? ' read' : '');
my $langattr = defined $item->{lang} ? "lang='$item->{lang}'" : "";
my $html = "";
$html .= "<div class='$item_class' $langattr>\n";
$html .= "<span class='itemno'>" . $item->{item_id} . "</span>\n";
$html .= "<span class='issued'>" . strftime('%Y-%m-%d %H:%M:%S', localtime($item->{issued})) . "</span>\n";
my $mark_read_button = "";
my $mark_later_button = "";
unless ($is_read) {
$mark_read_button = "<div class='op'><a href='" . $q->escapeHTML($q1->self_url) . "'>Mark read</a></div>\n";
$mark_later_button = "<div class='op'><a href='" . $q->escapeHTML($q_later->self_url) . "'>Show later</a></div>\n";
}
$html .= $mark_read_button;
$html .= $mark_later_button;
$html .= "<div class='feed'>" . $q->escapeHTML($item->{feed_title}) . "</div>\n";
$html .= "<h2><a href='./?redir=" . $q->escapeHTML($item->{item_id}) . "'>" . $q->escapeHTML($item->{item_title}) . "</a></h2>\n";
$html .= "<div class='content'>" . $scrubbed_content . "</div>\n";
#$html .= $mark_read_button;
#$html .= $mark_later_button;
$html .= "<div class='end'></div>\n";
$html .= "</div\n>";
print $html;
}
print "</div>\n";
print_log("itemlist: $n_items items ($n_html_mcd html cached, $n_scrub_mcd scrubbed content cached, $n_scrub scrubbed)");
}
sub print_log {
my $msg = "@_";
my $now = time();
printf STDERR "%s: %s.%06d %f: %s\n", $0, strftime("%H:%M:%S", localtime($now)), ($now - int($now)) * 1E6, $now - $start, $msg;
}
sub scrubbed_content_key {
my ($item_id) = @_;
return "rss2html/scrubbed_content/$item_id";
}