silverstripe-blog/code/widgets/BlogArchiveWidget.php

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2015-11-21 07:17:29 +01:00
<?php
if (!class_exists('Widget')) {
return;
}
/**
* @method Blog Blog()
*
* @property string $ArchiveType
* @property int $NumberToDisplay
*/
class BlogArchiveWidget extends Widget
{
/**
* @var string
*/
private static $title = 'Archive';
/**
* @var string
*/
private static $cmsTitle = 'Archive';
/**
* @var string
*/
private static $description = 'Displays an archive list of posts.';
/**
* @var array
*/
private static $db = array(
'NumberToDisplay' => 'Int',
'ArchiveType' => 'Enum(\'Monthly,Yearly\', \'Monthly\')',
);
/**
* @var array
*/
private static $defaults = array(
'NumberOfMonths' => 12,
);
/**
* @var array
*/
private static $has_one = array(
'Blog' => 'Blog',
);
/**
* {@inheritdoc}
*/
public function getCMSFields()
{
$self =& $this;
$this->beforeUpdateCMSFields(function ($fields) use ($self) {
/**
* @var Enum $archiveType
*/
$archiveType = $self->dbObject('ArchiveType');
$type = $archiveType->enumValues();
foreach ($type as $k => $v) {
$type[$k] = _t('BlogArchiveWidget.' . ucfirst(strtolower($v)), $v);
}
/**
* @var FieldList $fields
*/
$fields->merge(array(
DropdownField::create('BlogID', _t('BlogArchiveWidget.Blog', 'Blog'), Blog::get()->map()),
DropdownField::create('ArchiveType', _t('BlogArchiveWidget.ArchiveType', 'ArchiveType'), $type),
NumericField::create('NumberToDisplay', _t('BlogArchiveWidget.NumberToDisplay', 'No. to Display'))
));
});
return parent::getCMSFields();
}
/**
* Returns a list of months where blog posts are present.
*
* @return ArrayList
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*/
public function getArchive()
{
$format = ($this->ArchiveType == 'Yearly') ? '%Y' : '%Y-%m';
$publishDate = DB::get_conn()->formattedDatetimeClause('"PublishDate"', $format);
$fields = array(
'PublishDate' => $publishDate,
'Total' => "COUNT('\"PublishDate\"')"
);
$stage = Versioned::current_stage();
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$suffix = ($stage === 'Live') ? '_Live' : '';
$query = SQLSelect::create($fields, '"BlogPost' . $suffix . '"')
->addGroupBy($publishDate)
->addOrderBy('"PublishDate" DESC')
->addWhere(array('"PublishDate" < ?' => SS_Datetime::now()->Format('Y-m-d')));
$posts = $query->execute();
$result = new ArrayList();
while ($next = $posts->next()) {
if ($this->ArchiveType == 'Yearly') {
$year = $next['PublishDate'];
$month = null;
$title = $year;
} else {
$date = Date::create();
$date->setValue(strtotime($next['PublishDate']));
$year = $date->Format('Y');
$month = $date->Format('m');
$title = $date->FormatI18N('%B %Y');
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}
$result->push(new ArrayData(array(
'Title' => $title,
'Link' => Controller::join_links($this->Blog()->Link('archive'), $year, $month)
)));
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}
$this->extend('updateGetArchive', $result);
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return $result;
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}
}
class BlogArchiveWidget_Controller extends Widget_Controller
{
}