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<?php |
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namespace DNADesign\ElementalSubsites\Extensions; |
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use DNADesign\Elemental\Models\BaseElement; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\HiddenField; |
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use SilverStripe\ORM\DataExtension; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\ORM\DataQuery; |
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use SilverStripe\ORM\Queries\SQLSelect; |
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use SilverStripe\Subsites\Model\Subsite; |
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use SilverStripe\Subsites\State\SubsiteState; |
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/** |
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* Make elements compatible with subsites |
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* Apply this extension to BaseElement |
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*/ |
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class ElementalSubsiteExtension extends DataExtension |
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{ |
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private static $has_one = [ |
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'Subsite' => Subsite::class, |
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]; |
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public function updateCMSFields(FieldList $fields) |
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{ |
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// add SubsiteID if Subsites is installed and Elemental has a subsite |
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if (class_exists(Subsite::class)) { |
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$fields->push( |
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HiddenField::create('SubsiteID', null, SubsiteState::singleton()->getSubsiteId()) |
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); |
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} |
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} |
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/** |
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* Update any requests for elements to limit the results to the current site |
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* |
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* @param SQLSelect $query |
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* @param DataQuery|null $dataQuery |
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*/ |
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public function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null) |
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{ |
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if (!class_exists(Subsite::class)) { |
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return; |
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} |
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if (Subsite::$disable_subsite_filter) { |
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return; |
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} |
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if ($dataQuery && $dataQuery->getQueryParam('Subsite.filter') === false) { |
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return; |
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} |
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if ($query->filtersOnID()) { |
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return; |
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} |
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if (SubsiteState::singleton()->withState()) { |
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$subsiteID = SubsiteState::singleton()->withState(); |
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} else { |
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$subsiteID = (int) SubsiteState::singleton()->getSubsiteId(); |
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} |
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// Get the base table name |
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$elementTableName = DataObject::getSchema()->baseDataTable(BaseElement::class); |
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// The foreach is an ugly way of getting the first key :-) |
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foreach ($query->getFrom() as $tableName => $info) { |
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// The tableName should be Element or Element_Live... |
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if (substr($tableName, 0, strlen($elementTableName)) === $elementTableName) { |
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$query->addWhere("\"$tableName\".\"SubsiteID\" IN ($subsiteID)"); |
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break; |
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} |
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} |
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} |
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} |
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dnadesign /
silverstripe-elemental-subsites
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