silverstripe-blog/code/ArchiveWidget.php

116 lines
3.1 KiB
PHP

<?php
/**
* Shows a widget with viewing blog entries
* by months or years.
*
* @package blog
*/
class ArchiveWidget extends Widget {
static $db = array(
'DisplayMode' => 'Varchar'
);
static $has_one = array();
static $has_many = array();
static $many_many = array();
static $belongs_many_many = array();
static $defaults = array(
'DisplayMode' => 'month'
);
static $title = 'Browse by Date';
static $cmsTitle = 'Blog Archive';
static $description = 'Show a list of months or years in which there are blog posts, and provide links to them.';
function getCMSFields() {
return new FieldSet(
new OptionsetField(
'DisplayMode',
_t('ArchiveWidget.DispBY', 'Display by'),
array(
'month' => _t('ArchiveWidget.MONTH', 'month'),
'year' => _t('ArchiveWidget.YEAR', 'year')
)
)
);
}
function Dates() {
Requirements::themedCSS('archivewidget');
$results = new DataObjectSet();
$container = BlogTree::current();
$ids = $container->BlogHolderIDs();
$stage = Versioned::current_stage();
$suffix = (!$stage || $stage == 'Stage') ? "" : "_$stage";
if($this->DisplayMode == 'month') {
if(defined('Database::USE_ANSI_SQL')) {
$sqlResults = DB::query("
SELECT DISTINCT MONTH(\"Date\") AS \"Month\", YEAR(\"Date\") AS \"Year\"
FROM \"SiteTree$suffix\" INNER JOIN \"BlogEntry$suffix\" ON \"SiteTree$suffix\".\"ID\" = \"BlogEntry$suffix\".\"ID\"
WHERE \"ParentID\" IN (" . implode(', ', $ids) . ")
ORDER BY \"Year\" DESC, \"Month\" DESC;"
);
} else {
$sqlResults = DB::query("
SELECT DISTINCT MONTH(`Date`) AS `Month`, YEAR(`Date`) AS `Year`
FROM `SiteTree$suffix` NATURAL JOIN `BlogEntry$suffix`
WHERE `ParentID` IN (" . implode(', ', $ids) . ")
ORDER BY `Year` DESC, `Month` DESC;"
);
}
} else {
if(defined('Database::USE_ANSI_SQL')) {
$sqlResults = DB::query("
SELECT DISTINCT YEAR(\"Date\") AS \"Year\"
FROM \"SiteTree$suffix\" INNER JOIN \"BlogEntry$suffix\" ON \"SiteTree$suffix\".\"ID\" = \"BlogEntry$suffix\".\"ID\"
WHERE \"ParentID\" IN (" . implode(', ', $ids) . ")
ORDER BY \"Year\" DESC"
);
} else {
$sqlResults = DB::query("
SELECT DISTINCT YEAR(`Date`) AS `Year`
FROM `SiteTree$suffix` NATURAL JOIN `BlogEntry$suffix`
WHERE `ParentID` in (".implode(', ',$ids).")
ORDER BY `Year` DESC"
);
}
}
if($sqlResults) foreach($sqlResults as $sqlResult) {
$isMonthDisplay = $this->DisplayMode == 'month';
$monthVal = (isset($sqlResult['Month'])) ? (int) $sqlResult['Month'] : 1;
$month = ($isMonthDisplay) ? $monthVal : 1;
$year = ($sqlResult['Year']) ? (int) $sqlResult['Year'] : date('Y');
$date = DBField::create('Date', array(
'Day' => 1,
'Month' => $month,
'Year' => $year
));
if($isMonthDisplay) {
$link = $container->Link() . $sqlResult['Year']. '/' . sprintf("%'02d", $monthVal);
} else {
$link = $container->Link() . $sqlResult['Year'];
}
$results->push(new ArrayData(array(
'Date' => $date,
'Link' => $link
)));
}
return $results;
}
}