N°8761 - poc of deletion plan screen

datamodels/2.x/combodo-data-feature-removal/src/Service/DeletionPlanService.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Combodo\iTop\DataFeatureRemoval\Service;
+
+use Combodo\iTop\DataFeatureRemoval\Entity\DeletionPlanSummaryEntity;
+
+class DeletionPlanService
+{
+	private static DeletionPlanService $oInstance;
+
+	protected function __construct()
+	{
+	}
+
+	final public static function GetInstance(): DeletionPlanService
+	{
+		if (!isset(self::$oInstance)) {
+			self::$oInstance = new DeletionPlanService();
+		}
+
+		return self::$oInstance;
+	}
+
+	final public static function SetInstance(?DeletionPlanService $oInstance): void
+	{
+		self::$oInstance = $oInstance;
+	}
+
+	/**
+	 * @param array $sClasses
+	 *
+	 * @return array<\Combodo\iTop\DataFeatureRemoval\Entity\DeletionPlanSummaryEntity>
+	 */
+	public function GetDeletionPlanSummary(array $aClasses): array
+	{
+		$aSummary = [];
+
+		$oDeletionPlan = new \DeletionPlan();
+		foreach ($aClasses as $sClass) {
+			$aObjects = $this->GetAllObjects($sClass);
+			foreach ($aObjects as $oObject) {
+				$oObject->CheckToDelete($oDeletionPlan);
+			}
+		}
+
+		foreach ($oDeletionPlan->ListUpdates() as $sClass => $aUpdates){
+			$oDeletionPlanSummaryEntity = new DeletionPlanSummaryEntity($sClass);
+			$oDeletionPlanSummaryEntity->iUpdateCount = count($aUpdates);
+			$aSummary[$sClass] = $oDeletionPlanSummaryEntity;
+		}
+
+		foreach ($oDeletionPlan->ListDeletes() as $sClass => $aDeletes){
+			$oDeletionPlanSummaryEntity = $aSummary[$sClass] ?? new DeletionPlanSummaryEntity($sClass);
+			$oDeletionPlanSummaryEntity->iDeleteCount = count($aDeletes);
+
+			$aDelete = array_shift($aDeletes);
+			$oDeletionPlanSummaryEntity->iMode = $aDelete['mode'];
+			$oDeletionPlanSummaryEntity->sIssue = $aDelete['issue'];
+
+			$aSummary[$sClass] = $oDeletionPlanSummaryEntity;
+		}
+
+		return $aSummary;
+	}
+
+	/**
+	 * @return \DBObject[]
+	 */
+	private function GetAllObjects(string $sClass): array
+	{
+		$oFilter = new \DBObjectSearch($sClass);
+		$oFilter->AllowAllData();
+		$oSet = new \DBObjectSet($oFilter);
+		return $oSet->ToArray();
+	}
+}