added resource service

lib/Service/ResourceService.php

@@ -0,0 +1,129 @@
+<?php
+
+namespace OCA\OrganizationFolders\Service;
+
+use Exception;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Db\MultipleObjectsReturnedException;
+
+use OCA\OrganizationFolders\Db\Resource;
+use OCA\OrganizationFolders\Db\FolderResource;
+use OCA\OrganizationFolders\Db\ResourceMapper;
+use OCA\OrganizationFolders\Errors\InvalidResourceType;
+use OCA\OrganizationFolders\Errors\ResourceNotFound;
+
+class ResourceService {
+	public function __construct(
+		private ResourceMapper $mapper
+	) {
+	}
+
+	private function handleException(Exception $e, int $id): void {
+		if ($e instanceof DoesNotExistException ||
+			$e instanceof MultipleObjectsReturnedException) {
+			throw new ResourceNotFound($id);
+		} else {
+			throw $e;
+		}
+	}
+
+	public function find(int $id): Resource {
+		try {
+			return $this->mapper->find($id);
+		} catch (Exception $e) {
+			$this->handleException($e, $id);
+		}
+	}
+
+	/* Use named arguments to call this function */
+	public function create(
+		string $type,
+		int $groupFolderId,
+		?int $parentResource = null,
+		bool $active = true,
+
+		?int $membersAclPermission = null,
+		?int $managersAclPermission = null,
+		?int $inheritedAclPermission = null,
+	) {
+		if($type === "folder") {
+			$resource = new FolderResource();
+		}  else {
+			throw new InvalidResourceType($type);
+		}
+
+		$resource->setGroupFolderId($groupFolderId);
+		$resource->setParentResource($parentResource);
+		$resource->setActive($active);
+		$resource->setLastUpdatedTimestamp(time());
+
+		if($type === "folder") {
+			if(isset($membersAclPermission, $managersAclPermission, $inheritedAclPermission)) {
+				$resource->setMembersAclPermission($membersAclPermission);
+				$resource->setManagersAclPermission($managersAclPermission);
+				$resource->setInheritedAclPermission($inheritedAclPermission);
+			} else {
+				throw new \InvalidArgumentException("Folder specific parameters must be included, when creating a resource of type folder");
+			}
+		}
+
+		$resource = $this->mapper->insert($resource);
+
+		return $resource;
+	}
+
+	/* Use named arguments to call this function */
+	public function update(
+			int $id,
+
+			?int $parentResource = null,
+			?bool $active = null,
+
+			?int $membersAclPermission = null,
+			?int $managersAclPermission = null,
+			?int $inheritedAclPermission = null,
+		): Resource {
+		$resource = $this->find($id);
+
+		if(isset($parentResource)) {
+			$resource->setParentResource($parentResource);
+		}
+
+		if(isset($active)) {
+			$resource->setActive($active);
+		}
+
+		if($resource->getType() === "folder") {
+			if(isset($membersAclPermission)) {
+				$resource->setMembersAclPermission($membersAclPermission);
+			}
+
+			if(isset($managersAclPermission)) {
+				$resource->setManagersAclPermission($managersAclPermission);
+			}
+
+			if(isset($inheritedAclPermission)) {
+				$resource->setInheritedAclPermission($inheritedAclPermission);
+			}
+		}  else {
+			throw new InvalidResourceType($resource->getType());
+		}
+
+		if(count($resource->getUpdatedFields()) > 0) {
+			$resource->setLastUpdatedTimestamp(time());
+		}
+
+		return $this->mapper->update($resource);
+	}
+
+	public function delete(int $id): Resource {
+		try {
+			$resource = $this->mapper->find($id);
+			$this->mapper->delete($resource);
+			return $resource;
+		} catch (Exception $e) {
+			$this->handleException($e, $id);
+		}
+	}
+}