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<?php |
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namespace SilverCommerce\VersionHistoryField\Forms; |
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use SilverStripe\ORM\ArrayList; |
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use SilverStripe\Core\ClassInfo; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\View\ArrayData; |
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use SilverStripe\Forms\FormField; |
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use SilverStripe\Versioned\Versioned; |
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use SilverStripe\Versioned\DataDifferencer; |
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class VersionHistoryField extends FormField |
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{ |
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/** |
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* The dataobject that we want to se the version of |
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* |
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* @var DataObject |
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*/ |
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protected $record; |
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/** |
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* Get record |
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* |
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* @return DataObject |
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*/ |
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public function getRecord() |
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{ |
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return $this->record; |
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} |
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/** |
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* Set record |
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* |
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* @param DataObject $record The dataobject that we want to se the version of |
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* |
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* @return self |
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*/ |
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public function setRecord(DataObject $record) |
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{ |
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$this->record = $record; |
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return $this; |
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} |
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/** |
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* Construct this field |
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* |
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* @return void |
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*/ |
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public function __construct($name, $title = null, DataObject $record) |
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{ |
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$this->setRecord($record); |
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parent::__construct($name, $title); |
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} |
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/** |
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* Get a list of versions of the current record. |
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* |
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* @return ArrayList |
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*/ |
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public function getVersions() |
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{ |
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$record = $this->getRecord(); |
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$return = ArrayList::create(); |
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if ($record->hasExtension(Versioned::class)) { |
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$versions = $record->AllVersions(); |
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foreach ($versions as $version) { |
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$i = $version->Version; |
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$diff = null; |
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if ($i > 1) { |
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$frm = Versioned::get_version( |
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$record->ClassName, |
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$record->ID, |
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$i - 1 |
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); |
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$to = Versioned::get_version( |
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$record->ClassName, |
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$record->ID, |
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$i |
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); |
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if ($frm && $to) { |
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$diff = DataDifferencer::create($frm, $to); |
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$diff->ignoreFields(["LastEdited"]); |
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} |
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} |
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$return->add(ArrayData::create( |
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[ |
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"Version" => $version, |
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"Diff" => $diff |
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] |
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)); |
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} |
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} |
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$this->extend("updateVersions", $versions); |
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return $return; |
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} |
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} |
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silvercommerce /
versionhistoryfield
