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