160 lines
4.3 KiB
PHP
160 lines
4.3 KiB
PHP
<?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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