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<a href="/" class="homelink">Dancer Advent Calendar</a><br />

<p>
The PerlDancer Advent Calendar is a community-driven project that aims 
to showcase the Dancer Perl web framework.
</p>

<p>
Each day of December until Christmas, one article about Dancer. Stay tuned for new moves!
</p>

<ul id="sidebar-items">
<li>
    <h3>About Dancer</h3>
    <ul class="links">
        <li><a href="http://www.perldancer.org/">Dancer homepage</a></li>
        <li><a href="http://twitter.com/PerlDancer">Official Twitter</a></li>
        <li><a href="http://github.com/PerlDancer/Dancer">Dancer on GitHub</a></li>
        <li><a href="http://github.com/PerlDancer/Dancer2">Dancer 2 on GitHub</a></li>
        <li><a class="feed" href="/feed/2018">RSS</a></li>
    </ul>
</li>
</ul>
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<div id="content">
<div class="pod-document"><h1><a name="dancer2__plugin__paginator___born_again"></a>Dancer2::Plugin::Paginator - Born Again</h1>

<h2><a name="history"></a>HISTORY</h2>

<p>I would call it re-birth. It all started during end of July 2017, I was going through the documentation of <a href="https://metacpan.org/pod/distribution/Dancer2/lib/Dancer2/Plugins.pod">Dancer2::Plugins</a> and stumbled upon <a href="https://meta...
<h2><a name="rebirth"></a>REBIRTH</h2>

<p>Following the <a href="http://neilb.org/2014/01/31/adoption-request.html">advise</a> from Neil Bowers, I contacted the author <b>Blabos de Blebe</b> by email, if he was happy for me take it forward. He not only encouraged me but also gave me permi...
<h2><a name="challenge"></a>CHALLENGE</h2>

<p>After getting the push from the author, my first challenge was to make it compatible with <a href="https://metacpan.org/pod/distribution/Dancer2/lib/Dancer2/Plugins.pod">Dancer2::Plugins</a>. Having done this with other plugins e.g. <a href="https...
<h2><a name="example"></a>EXAMPLE</h2>

<p>Let me show you an example as described in the official document for <a href="https://metacpan.org/release/Dancer2-Plugin-Paginator">Dancer2::Plugin::Paginator</a>.</p>
<pre class="prettyprint">use Dancer2;
use Dancer2::Plugin::Paginator;

get '/list' =&gt; sub {
    my $paginator = paginator(
       'curr'     =&gt; $page,
       'items'    =&gt; rset('Post')-&gt;count,
       'base_url' =&gt; '/posts/page/',
    );

    template 'list', { paginator =&gt; $paginator };
};

true;</pre>

<h2><a name="configuration"></a>CONFIGURATION</h2>

<p>To bring the above example live, we need to tune the configuration slightly as below.</p>
<pre class="prettyprint">plugins:
   Paginator:
      frame_size: 3
      page_size: 7</pre>

<h2><a name="real_hands_on"></a>REAL HANDS-ON</h2>

<p>Having seen the details, now let us try real example. I have got GitHub repository that I use to try new things related to Dancer2 i.e. <a href="https://github.com/manwar/Dancer2-Cookbook">Dancer2 Cookbook</a>. You should find a link "Books" showi...
<h3><a name="example_configuration"></a>Example Configuration</h3>

<pre class="prettyprint">plugins:
  Paginator:
    frame_size: 1
    page_size: 3</pre>

<h3><a name="action"></a>Action</h3>

<pre class="prettyprint">get '/books/:page' =&gt; sub {
    my $books = _books();
    my $curr  = params-&gt;{page} || 1;

    template 'books' =&gt; _paginator($books, $curr);
};

sub _paginator {
    my ($books, $curr) = @_;

    my $items = scalar(@$books);
    my $paginator = paginator(
       curr     =&gt; $curr,
       items    =&gt; $items,
       base_url =&gt; '/books',
       mode     =&gt; 'path'
    );

    my $page_size = $paginator-&gt;page_size;
    my $i = ($curr - 1) * $page_size;
    my $j = ($i + $page_size) - 1;
    my $results = [ @$books[$i..$j] ];

    return {
       results   =&gt; $results,
       paginator =&gt; $paginator,
       prev_l    =&gt; $paginator-&gt;prev,
       next_l    =&gt; $paginator-&gt;next,
     };
}</pre>

<h3><a name="template"></a>Template</h3>



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