koblog/bl-plugins/disqus/plugin.php
2021-09-25 20:28:17 +02:00

117 lines
4.8 KiB
PHP

<?php
class pluginDisqus extends Plugin {
public function init() {
$this->dbFields = array(
'shortname' => '',
'enableStandard' => true,
'enableStatic' => true,
'enableSticky' => true,
'enableUnlisted' => true
);
}
public function form() {
global $L;
$html = '<div class="mb-3">';
$html .= '<label class="form-label" for="shortname">' . $L->get('disqus-shortname') . '</label>';
$html .= '<input class="form-control" id="shortname" name="shortname" type="text" value="' . $this->getValue('shortname') . '">';
$html .= '<div class="form-text">' . $L->get('Get the shortname from the Disqus general settings') . '</div>';
$html .= '</div>';
$html .= '<div class="mb-3">';
$html .= '<label class="form-label" for="enableStandard">' . $L->get('Enable Disqus on standard pages') . '</label>';
$html .= '<select class="form-select" id="enableStandard" name="enableStandard">';
$html .= '<option value="true" ' . ($this->getValue('enableStandard') === true ? 'selected' : '') . '>' . $L->get('Enabled') . '</option>';
$html .= '<option value="false" ' . ($this->getValue('enableStandard') === false ? 'selected' : '') . '>' . $L->get('Disabled') . '</option>';
$html .= '</select>';
$html .= '</div>';
$html .= '<div class="mb-3">';
$html .= '<label class="form-label" for="enableStatic">' . $L->get('Enable Disqus on static pages') . '</label>';
$html .= '<select class="form-select" id="enableStatic" name="enableStatic">';
$html .= '<option value="true" ' . ($this->getValue('enableStatic') === true ? 'selected' : '') . '>' . $L->get('Enabled') . '</option>';
$html .= '<option value="false" ' . ($this->getValue('enableStatic') === false ? 'selected' : '') . '>' . $L->get('Disabled') . '</option>';
$html .= '</select>';
$html .= '</div>';
$html .= '<div class="mb-3">';
$html .= '<label class="form-label" for="enableSticky">' . $L->get('Enable Disqus on sticky pages') . '</label>';
$html .= '<select class="form-select" id="enableSticky" name="enableSticky">';
$html .= '<option value="true" ' . ($this->getValue('enableSticky') === true ? 'selected' : '') . '>' . $L->get('Enabled') . '</option>';
$html .= '<option value="false" ' . ($this->getValue('enableSticky') === false ? 'selected' : '') . '>' . $L->get('Disabled') . '</option>';
$html .= '</select>';
$html .= '</div>';
$html .= '<div class="mb-3">';
$html .= '<label class="form-label" for="enableUnlisted">' . $L->get('Enable Disqus on unlisted pages') . '</label>';
$html .= '<select class="form-select" id="enableUnlisted" name="enableUnlisted">';
$html .= '<option value="true" ' . ($this->getValue('enableUnlisted') === true ? 'selected' : '') . '>' . $L->get('Enabled') . '</option>';
$html .= '<option value="false" ' . ($this->getValue('enableUnlisted') === false ? 'selected' : '') . '>' . $L->get('Disabled') . '</option>';
$html .= '</select>';
$html .= '</div>';
return $html;
}
public function pageEnd() {
global $url;
global $WHERE_AM_I;
// Do not display Disqus on page not found
if ($url->notFound()) {
return false;
}
if ($WHERE_AM_I === 'page') {
global $page;
if ($page->published() && $this->getValue('enableStandard')) {
return $this->javascript();
}
if ($page->isStatic() && $this->getValue('enableStatic')) {
return $this->javascript();
}
if ($page->sticky() && $this->getValue('enableSticky')) {
return $this->javascript();
}
if ($page->unlisted() && $this->getValue('enableUnlisted')) {
return $this->javascript();
}
}
return false;
}
private function javascript() {
global $page;
$pageURL = $page->permalink();
$pageID = $page->uuid();
$shortname = $this->getValue('shortname');
$code = <<<EOF
<!-- Disqus plugin -->
<div id="disqus_thread"></div>
<script>
var disqus_config = function () {
this.page.url = '$pageURL';
this.page.identifier = '$pageID';
};
(function() { // DON'T EDIT BELOW THIS LINE
var d = document, s = d.createElement('script');
s.src = 'https://$shortname.disqus.com/embed.js';
s.setAttribute('data-timestamp', +new Date());
(d.head || d.body).appendChild(s);
})();
</script>
<noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
<!-- /Disqus plugin -->
EOF;
return $code;
}
}