eleksir/aleesa-telegram-bot
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Sometimes xkcd.ru returns redirect to 404, retry to get correct content in this case.

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eleksir
2021-04-22 18:40:46 +03:00
parent 8665a6ddda
commit 3c721b905f
1 changed files with 23 additions and 8 deletions
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31
lib/BotLib/Xkcd.pm
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@@ -13,15 +13,30 @@ our @EXPORT_OK = qw (Xkcd);
sub Xkcd {
my $ua = Mojo::UserAgent->new->connect_timeout (5)->max_redirects (0);
my $r = $ua->get ('https://xkcd.ru/random/')->result;
my $location;
my $status = 400;
my $c = 0;
if (
defined $r->content &&
defined $r->content->headers &&
defined $r->content->headers->location &&
$r->content->headers->location ne ''
) {
return sprintf '[xkcd.ru](https://xkcd.ru/i/%s_v1.png)', substr ($r->content->headers->location, 1, -1);
do {
my $r = $ua->get ('https://xkcd.ru/random/')->result;
if (
defined $r->content &&
defined $r->content->headers &&
defined $r->content->headers->location &&
$r->content->headers->location ne ''
) {
$location = substr $r->content->headers->location, 1, -1;
$location = sprintf 'https://xkcd.ru/i/%s_v1.png', $location;
$r = $ua->head ($location)->result;
}
$c++;
$status = $r->code;
} while ($c < 3 || $status >= 404);
if ($status == 200) {
return sprintf '[xkcd.ru](%s)', $location;
}
return 'Комикс-стрип нарисовать не так-то просто :(';