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site: extend extended_pager

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Make it return a hash for page numbers and shortcuts. Move logic
handling for the shortcuts from the templates to the helper. Make the
pager length configurable. Add a helper for producing the shortcuts'
links.
This commit is contained in:
Lucas Gabriel Vuotto 2025-04-26 13:29:29 +00:00
parent dd492db92e
commit 1a0a224edc
2 changed files with 36 additions and 21 deletions
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39
lib/Pooru/Site.pm
View file

@ -3,23 +3,43 @@ use Mojo::Base "Mojolicious", -signatures;
use Pooru::Storage::Static;
use constant {
EXTENDED_PAGER_LENGTH => 7,
};
sub extended_pager ($self, $pager)
{
my ($start, $end);
my (%pages, $start, $end, $mid);
if ($pager->{current_page} < $pager->{first_page} + 2) {
$mid = int(EXTENDED_PAGER_LENGTH / 2);
if ($pager->{current_page} < $pager->{first_page} + $mid) {
$start = $pager->{first_page};
$end = $start + 4;
} elsif ($pager->{current_page} > $pager->{last_page} - 2) {
$end = $start + $mid * 2;
} elsif ($pager->{current_page} > $pager->{last_page} - $mid) {
$end = $pager->{last_page};
$start = $end - 4;
$start = $end - $mid * 2;
} else {
$start = $pager->{current_page} - 2;
$end = $pager->{current_page} + 2;
$start = $pager->{current_page} - $mid;
$end = $pager->{current_page} + $mid;
}
$pages{pages} = [grep {$_ >= $pager->{first_page} &&
$_ <= $pager->{last_page}} ($start .. $end)];
$pages{shortcuts}{first_page} = $pager->{first_page} if
$pager->{first_page} != $pager->{current_page};
$pages{shortcuts}{previous_page} = $pager->{previous_page} if
defined($pager->{previous_page});
$pages{shortcuts}{next_page} = $pager->{next_page} if
defined($pager->{next_page});
$pages{shortcuts}{last_page} = $pager->{last_page} if
$pager->{last_page} != $pager->{current_page};
return %pages;
}
return grep {$_ >= $pager->{first_page} && $_ <= $pager->{last_page}}
($start .. $end);
sub tag_for_pager_shortcut ($self, $content, $page) {
return (defined($page) and $self->link_to($content,
$self->url_with->query({page => $page})));
}
sub link_for_tag ($self, $tag)
@ -68,6 +88,7 @@ sub startup ($self)
return Mojo::URL->new($self->config("pooru_api")->{v0});
});
$self->helper(extended_pager => \&extended_pager);
$self->helper(tag_for_pager_shortcut => \&tag_for_pager_shortcut);
$self->helper(link_for_tag => \&link_for_tag);
$self->helper(tags_by_kind => \&tags_by_kind);

18
templates/_pager.html.ep
View file

@ -1,24 +1,18 @@
% if (my $pager = stash("pager")) {
% my @pages = extended_pager($pager);
% my ($pages, $shortcuts) = {extended_pager($pager)}->@{qw(pages shortcuts)};
<footer>
<nav class="text-center pager">
<%= link_to "<<" => url_with->query({page => $pager->{first_page}})
if $pager->{first_page} < $pages[0] %>
<%= link_to "<" => url_with->query({page => $pager->{previous_page}})
if defined($pager->{previous_page}) &&
$pager->{previous_page} > 3 %>
% for my $page (@pages) {
<%= tag_for_pager_shortcut "<<", $shortcuts->{first_page} %>
<%= tag_for_pager_shortcut "<", $shortcuts->{previous_page} %>
% for my $page ($pages->@*) {
% if ($page == $pager->{current_page}) {
<span><%= $pager->{current_page} %></span>
% } else {
<%= link_to $page => url_with->query({page => $page}) %>
% }
% }
<%= link_to ">" => url_with->query({page => $pager->{next_page}})
if defined($pager->{next_page}) &&
$pager->{next_page} < $pager->{last_page} - 2 %>
<%= link_to ">>" => url_with->query({page => $pager->{last_page}})
if $pager->{last_page} > $pages[-1] %>
<%= tag_for_pager_shortcut ">", $shortcuts->{next_page} %>
<%= tag_for_pager_shortcut ">>", $shortcuts->{last_page} %>
</nav>
</footer>
% }