ensure resource name is unique

lib/Db/ResourceMapper.php

@@ -17,7 +17,7 @@ class ResourceMapper extends QBMapper {
 	public const RESOURCES_TABLE = "organizationfolders_resources";
 	public const FOLDER_RESOURCES_TABLE = "organizationfolders_folder_resources";
 
-    private const updateableResourceProperties = ["parentResource", "active", "lastUpdatedTimestamp"];
+    private const updateableResourceProperties = ["parentResource", "active", "name", "lastUpdatedTimestamp"];
     private const updateableFolderResourceProperties = ["membersAclPermission", "managersAclPermission", "inheritedAclPermission"];
 
 	public function __construct(IDBConnection $db) {
@@ -75,6 +75,25 @@ class ResourceMapper extends QBMapper {
         return $this->findEntities($qb);
 	}
 
+    public function existsWithName(int $organizationFolderId, ?int $parentResourceId, string $name): bool {
+		/* @var $qb IQueryBuilder */
+		$qb = $this->db->getQueryBuilder();
+
+		$qb->select($qb->createFunction('COUNT(1)'))
+			->from(self::RESOURCES_TABLE)
+            ->where($qb->expr()->eq('organization_folder_id', $qb->createNamedParameter($organizationFolderId, IQueryBuilder::PARAM_INT)));
+
+        if(is_null($parentResourceId)) {
+            $qb->andWhere($qb->expr()->isNull('parent_resource'));
+        } else {
+            $qb->andWhere($qb->expr()->eq('parent_resource', $qb->createNamedParameter($parentResourceId, IQueryBuilder::PARAM_INT)));
+        }
+
+        $qb->andWhere($qb->expr()->eq('name', $qb->createNamedParameter($name, IQueryBuilder::PARAM_STR)));
+
+		return $qb->executeQuery()->fetch()["COUNT(1)"] === 1;
+	}
+
     /**
 	 * Creates a new entry in the db from an entity
 	 *
@@ -87,7 +106,7 @@ class ResourceMapper extends QBMapper {
 	 */
 	public function insert(Entity $entity): Entity {
 		$setProperties = array_keys($entity->getUpdatedFields());
-        $setResourceProperties = array_intersect(["id", ...self::updateableResourceProperties], $setProperties);
+        $setResourceProperties = ["type", "organizationFolderId", ...array_intersect(["id", ...self::updateableResourceProperties], $setProperties)];
 
         if($entity->getType() === "folder") {
             $typeSpecificTable = self::FOLDER_RESOURCES_TABLE;

lib/Errors/ResourceNameNotUnique.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace OCA\OrganizationFolders\Errors;
+
+class ResourceNameNotUnique extends \RuntimeException {
+	public function __construct() {
+        parent::__construct("Resource cannot have the same name as sibling resource");
+	}
+}

lib/Errors/ResourceNotFound.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace OCA\OrganizationFolders\Errors;
+
+class ResourceNotFound extends NotFoundException {
+    public function __construct($id) {
+		parent::__construct(OCA\OrganizationFolders\Db\Resource::class, ["id" => $id]);
+	}
+}

lib/Service/ResourceService.php

@@ -12,6 +12,7 @@ use OCA\OrganizationFolders\Db\FolderResource;
 use OCA\OrganizationFolders\Db\ResourceMapper;
 use OCA\OrganizationFolders\Errors\InvalidResourceType;
 use OCA\OrganizationFolders\Errors\ResourceNotFound;
+use OCA\OrganizationFolders\Errors\ResourceNameNotUnique;
 
 class ResourceService {
 	public function __construct(
@@ -19,6 +20,10 @@ class ResourceService {
 	) {
 	}
 
+	public function findAll(int $groupfolderId, int $parentResourceId = null) {
+		return $this->mapper->findAll($groupfolderId, $parentResourceId);
+	}
+
 	private function handleException(Exception $e, int $id): void {
 		if ($e instanceof DoesNotExistException ||
 			$e instanceof MultipleObjectsReturnedException) {
@@ -40,6 +45,7 @@ class ResourceService {
 	public function create(
 		string $type,
 		int $organizationFolderId,
+		string $name,
 		?int $parentResource = null,
 		bool $active = true,
 
@@ -53,7 +59,9 @@ class ResourceService {
 			throw new InvalidResourceType($type);
 		}
 
-		$resource->setGroupFolderId($groupFolderId);
+		if(!$this->mapper->existsWithName($organizationFolderId, $parentResource, $name)) {
+			$resource->setGroupFolderId($organizationFolderId);
+			$resource->setName($name);
 			$resource->setParentResource($parentResource);
 			$resource->setActive($active);
 			$resource->setLastUpdatedTimestamp(time());
@@ -71,12 +79,16 @@ class ResourceService {
 			$resource = $this->mapper->insert($resource);
 
 			return $resource;
+		} else {
+			throw new ResourceNameNotUnique();
+		}
 	}
 
 	/* Use named arguments to call this function */
 	public function update(
 			int $id,
 
+			?string $name = null,
 			?int $parentResource = null,
 			?bool $active = null,
 
@@ -90,6 +102,14 @@ class ResourceService {
 			$resource->setParentResource($parentResource);
 		}
 
+		if(isset($name)) {
+			if($this->mapper->existsWithName($resource->getGroupFolderId(), $resource->getParentResource(), $name)) {
+				throw new ResourceNameNotUnique();
+			} else {
+				$resource->setName($name);
+			}
+		}
+
 		if(isset($active)) {
 			$resource->setActive($active);
 		}