website/lib/Render/Util.rakumod

use v6.e.PREVIEW;
unit module Render::Util;

use DB::Post;

use HTML::Functional;

sub opt($test, $item) is export {
    if $test {
        $item
    } else {
        []
    }
}

sub optl($test, &item) is export {
    if $test {
        item
    } else {
        []
    }
}

#| Link to the post by the primary slug, if there is one, linking to it by id
#| otherwise
sub post-link(Int:D $id, Post:D $post --> Str:D) is export {
    my @slugs = $post.all-slugs;
    if @slugs {
       "/posts/by-slug/{@slugs[*-1]}.html"
    } else {
       "/posts/by-id/$id.html"
    }
}

sub icon($icon) is export {
    i(:class("bx bx-$icon"))
}

sub mins-to-string($mins) is export {
    if $mins < 60 {
        $mins.Str ~ "m"
    } else {
        my $h = $mins div 60;
        my $m = $mins mod 60;
        $h.Str ~ "h" ~ $m.Str ~ "m"
    }
}

sub intersperse (\element, +list) is export {
    gather for list {
        FIRST .take, next;
        take slip element, $_;
    }
}