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<?php |
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namespace SilverStripe\Blog\Widgets; |
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use SilverStripe\Blog\Model\Blog; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Forms\DropdownField; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\NumericField; |
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use SilverStripe\ORM\ArrayList; |
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use SilverStripe\ORM\DB; |
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use SilverStripe\ORM\FieldType\DBDate; |
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use SilverStripe\ORM\FieldType\DBDatetime; |
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use SilverStripe\ORM\FieldType\DBEnum; |
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use SilverStripe\ORM\Queries\SQLSelect; |
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use SilverStripe\Versioned\Versioned; |
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use SilverStripe\View\ArrayData; |
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use SilverStripe\Widgets\Model\Widget; |
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if (!class_exists(Widget::class)) { |
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return; |
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} |
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/** |
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* @method Blog Blog() |
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* |
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* @property string $ArchiveType |
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* @property int $NumberToDisplay |
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*/ |
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class BlogArchiveWidget extends Widget |
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{ |
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/** |
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* @var string |
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*/ |
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private static $title = 'Archive'; |
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/** |
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* @var string |
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*/ |
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private static $cmsTitle = 'Archive'; |
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/** |
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* @var string |
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*/ |
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private static $description = 'Displays an archive list of posts.'; |
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/** |
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* @var array |
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*/ |
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private static $db = [ |
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'NumberToDisplay' => 'Int', |
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'ArchiveType' => 'Enum(\'Monthly,Yearly\', \'Monthly\')', |
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]; |
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/** |
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* @var array |
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*/ |
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private static $defaults = [ |
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'NumberOfMonths' => 12, |
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]; |
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/** |
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* @var array |
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*/ |
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private static $has_one = [ |
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'Blog' => Blog::class, |
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]; |
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/** |
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* @var string |
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*/ |
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private static $table_name = 'BlogArchiveWidget'; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCMSFields() |
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{ |
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$this->beforeUpdateCMSFields(function ($fields) { |
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/** |
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* @var DBEnum $archiveType |
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*/ |
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$archiveType = $this->dbObject('ArchiveType'); |
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$type = $archiveType->enumValues(); |
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foreach ($type as $k => $v) { |
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$type[$k] = _t(__CLASS__ .'.' . ucfirst(strtolower($v)), $v); |
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} |
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/** |
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* @var FieldList $fields |
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*/ |
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$fields->merge([ |
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DropdownField::create( |
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'BlogID', |
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_t(__CLASS__ . '.Blog', 'Blog'), |
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Blog::get()->map() |
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), |
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DropdownField::create('ArchiveType', _t(__CLASS__ . '.ArchiveType', 'ArchiveType'), $type), |
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NumericField::create('NumberToDisplay', _t(__CLASS__ . '.NumberToDisplay', 'No. to Display')) |
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]); |
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}); |
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return parent::getCMSFields(); |
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} |
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/** |
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* Returns a list of months where blog posts are present. |
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* |
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* @return ArrayList |
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*/ |
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public function getArchive() |
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{ |
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$format = ($this->ArchiveType == 'Yearly') ? '%Y' : '%Y-%m'; |
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$publishDate = DB::get_conn()->formattedDatetimeClause('"PublishDate"', $format); |
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$fields = [ |
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'PublishDate' => $publishDate, |
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'Total' => "COUNT('\"PublishDate\"')" |
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]; |
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$stage = Versioned::get_stage(); |
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$suffix = ($stage === Versioned::LIVE) ? '_' . Versioned::LIVE : ''; |
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$query = SQLSelect::create($fields, '"BlogPost' . $suffix . '"') |
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->addGroupBy($publishDate) |
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->addOrderBy('"PublishDate" DESC') |
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->addLeftJoin('SiteTree' . $suffix, '"SiteTree' . $suffix . '"."ID" = "BlogPost' . $suffix . '"."ID"') |
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->addWhere([ |
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'"PublishDate" <= ?' => DBDatetime::now()->Format(DBDatetime::ISO_DATETIME), |
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'"SiteTree' . $suffix . '"."ParentID"' => $this->BlogID, |
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]); |
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$posts = $query->execute(); |
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$result = ArrayList::create(); |
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foreach ($posts as $post) { |
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if ($this->ArchiveType == 'Yearly') { |
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$year = $post['PublishDate']; |
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$month = null; |
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$title = $year; |
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} else { |
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$date = DBDate::create(); |
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$date->setValue(strtotime($post['PublishDate'])); |
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$year = $date->Format('y'); |
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$month = $date->Format('MM'); |
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$title = $date->Format('MMMM y'); |
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} |
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$result->push(ArrayData::create([ |
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'Title' => $title, |
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'Link' => Controller::join_links($this->Blog()->Link('archive'), $year, $month) |
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])); |
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} |
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$this->extend('updateGetArchive', $result); |
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return $result; |
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} |
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} |
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silverstripe /
silverstripe-blog
