feat(applications): give applications a technical name

lib/Controller/ContextController.php

@@ -103,6 +103,7 @@ public function show(int $contextId): DataResponse {
 	 * @param string $description Descriptive text of the context
 	 * @psalm-param list<array{id: int, type: int, permissions?: int}> $nodes optional nodes to be connected to this context
 	 * @psalm-param ?list<array{label: string, icon?: string, targetType: 'view'|'table'|'url', targetId?: int, url?: string, technicalName?: string, parentIndex?: int}> $menuItems optional menu of the context, in order; parentIndex is the position of the parent item, for one level of nesting; the views and tables it opens become nodes of the context
+	 * @param ?string $technicalName names the context in its address, lowercase letters, numbers and underscores; unique per owner
 	 *
 	 * @return DataResponse<Http::STATUS_OK, TablesContext, array{}>|DataResponse<Http::STATUS_INTERNAL_SERVER_ERROR|Http::STATUS_BAD_REQUEST|Http::STATUS_FORBIDDEN, array{message: string}, array{}>
 	 *
@@ -111,7 +112,7 @@ public function show(int $contextId): DataResponse {
 	 * 403: lacking permissions on a resource
 	 */
 	#[NoAdminRequired]
-	public function create(string $name, string $iconName, string $description = '', array $nodes = [], ?array $menuItems = null): DataResponse {
+	public function create(string $name, string $iconName, string $description = '', array $nodes = [], ?array $menuItems = null, ?string $technicalName = null): DataResponse {
 		try {
 			if (!$this->isValidIcon($iconName)) {
 				return new DataResponse(['message' => 'Invalid icon name'], Http::STATUS_BAD_REQUEST);
@@ -124,6 +125,7 @@ public function create(string $name, string $iconName, string $description = '',
 				$this->userId,
 				0,
 				$menuItems !== null ? MenuItemInput::createListFromInputArray($menuItems) : null,
+				$technicalName,
 			)->jsonSerialize());
 		} catch (Exception $e) {
 			return $this->handleError($e);
@@ -143,6 +145,7 @@ public function create(string $name, string $iconName, string $description = '',
 	 * @param ?string $description provide this parameter to set a new description
 	 * @param ?array{id: int, type: int, permissions: int, order: int} $nodes provide this parameter to set a new list of nodes.
 	 * @psalm-param ?list<array{label: string, icon?: string, targetType: 'view'|'table'|'url', targetId?: int, url?: string, technicalName?: string, parentIndex?: int}> $menuItems provide this parameter to replace the menu; parentIndex is the position of the parent item, for one level of nesting; the views and tables it opens become nodes of the context, and an item without a technicalName keeps the one stored for the same target
+	 * @param ?string $technicalName provide this parameter to set a new technical name; an empty one removes it
 	 *
 	 * @return DataResponse<Http::STATUS_OK, TablesContext, array{}>|DataResponse<Http::STATUS_INTERNAL_SERVER_ERROR|Http::STATUS_NOT_FOUND|Http::STATUS_FORBIDDEN|Http::STATUS_BAD_REQUEST, array{message: string}, array{}>
 	 *
@@ -154,7 +157,7 @@ public function create(string $name, string $iconName, string $description = '',
 	 * @CanManageContext
 	 */
 	#[NoAdminRequired]
-	public function update(int $contextId, ?string $name, ?string $iconName, ?string $description, ?array $nodes, ?array $menuItems = null): DataResponse {
+	public function update(int $contextId, ?string $name, ?string $iconName, ?string $description, ?array $nodes, ?array $menuItems = null, ?string $technicalName = null): DataResponse {
 		try {
 			if ($iconName !== null && !$this->isValidIcon($iconName)) {
 				return new DataResponse(['message' => 'Invalid icon name'], Http::STATUS_BAD_REQUEST);
@@ -168,6 +171,7 @@ public function update(int $contextId, ?string $name, ?string $iconName, ?string
 				$description,
 				$nodes,
 				$menuItems !== null ? MenuItemInput::createListFromInputArray($menuItems) : null,
+				$technicalName,
 			)->jsonSerialize());
 		} catch (Exception|MultipleObjectsReturnedException $e) {
 			return $this->handleError($e);
@@ -364,6 +368,7 @@ public function previewSchemeChanges(int $contextId, array $updateScheme): DataR
 	 * @psalm-param array{addTables: list<TablesTable>, modifyTables: list<TablesTable>} $tables Tables to be added or modified
 	 * @psalm-param list<array{label: string, icon?: string, targetType: 'view'|'table'|'url', targetUuid?: string, url?: string, technicalName?: string, parentTechnicalName?: string}> $menuItems Menu of the context, targets by uuid, parents by technical name
 	 * @psalm-param list<array<string, mixed>> $gridViews Views without a table that the menu points at
+	 * @param ?string $technicalName technical name of the context
 	 *
 	 * @return DataResponse<Http::STATUS_OK, array<string, mixed>, array{}>|DataResponse<Http::STATUS_INTERNAL_SERVER_ERROR|Http::STATUS_NOT_FOUND|Http::STATUS_FORBIDDEN|Http::STATUS_BAD_REQUEST, array{message: string}, array{}>
 	 *
@@ -374,9 +379,9 @@ public function previewSchemeChanges(int $contextId, array $updateScheme): DataR
 	 */
 	#[NoAdminRequired]
 	#[RequirePermission(permission: Application::PERMISSION_MANAGE, typeParam: 'context', idParam: 'contextId')]
-	public function importScheme(int $contextId, string $name, string $iconName, string $description, array $nodes, array $tables, array $menuItems = [], array $gridViews = []): DataResponse {
+	public function importScheme(int $contextId, string $name, string $iconName, string $description, array $nodes, array $tables, array $menuItems = [], array $gridViews = [], ?string $technicalName = null): DataResponse {
 		try {
-			$scheme = ContextScheme::createFromInputArray(['name' => $name, 'icon' => $iconName, 'description' => $description, 'nodes' => $nodes, 'tables' => $tables, 'menuItems' => $menuItems, 'gridViews' => $gridViews]);
+			$scheme = ContextScheme::createFromInputArray(['name' => $name, 'icon' => $iconName, 'description' => $description, 'nodes' => $nodes, 'tables' => $tables, 'menuItems' => $menuItems, 'gridViews' => $gridViews, 'technicalName' => $technicalName]);
 		} catch (InvalidArgumentException $e) {
 			return $this->handleBadRequestError(new BadRequestError($e->getMessage(), $e->getCode(), $e));
 		}

lib/Controller/PageController.php

@@ -8,6 +8,7 @@
 namespace OCA\Tables\Controller;
 
 use OCA\Tables\AppInfo\Application;
+use OCA\Tables\Db\ContextMapper;
 use OCA\Tables\Service\NodeService;
 use OCA\Tables\Service\ShareService;
 use OCA\Text\Event\LoadEditor;
@@ -32,6 +33,8 @@ public function __construct(
 		protected IInitialState $initialState,
 		protected ShareService $shareService,
 		protected NodeService $nodeService,
+		protected ContextMapper $contextMapper,
+		protected ?string $userId,
 	) {
 		parent::__construct(Application::APP_ID, $request);
 	}
@@ -58,18 +61,20 @@ public function index(): TemplateResponse {
 	}
 
 	/**
-	 * Render default template
-	 *
-	 * @psalm-param int<0, max> $appId
+	 * Render the template for one application, addressed by id or by technical name
 	 */
 	#[NoAdminRequired]
 	#[NoCSRFRequired]
 	#[OpenAPI(scope: OpenAPI::SCOPE_IGNORE)]
-	public function context(int $contextId): TemplateResponse {
-		$navId = Application::APP_ID . '_application_' . $contextId;
+	public function context(string $contextId): TemplateResponse {
+		$id = ctype_digit($contextId) ? (int)$contextId : ($this->userId === null ? null : $this->contextMapper->findIdByTechnicalName($contextId, $this->userId));
+		if ($id === null) {
+			return $this->index();
+		}
+		$navId = Application::APP_ID . '_application_' . $id;
 		$this->navigationManager->setActiveEntry($navId);
 
-		$this->initialState->provideInitialState('contextId', $contextId);
+		$this->initialState->provideInitialState('contextId', $id);
 
 		return $this->index();
 	}

lib/Db/Context.php

@@ -21,6 +21,8 @@
  * @method setOwnerId(string $value): void
  * @method getOwnerType(): int
  * @method setOwnerType(int $value): void
+ * @method getTechnicalName(): ?string
+ * @method setTechnicalName(?string $value): void
  *
  * @method getSharing(): array
  * @method setSharing(array $value): void
@@ -37,6 +39,7 @@ class Context extends EntitySuper implements JsonSerializable {
 	protected ?string $description = null;
 	protected ?string $ownerId = null;
 	protected ?int $ownerType = null;
+	protected ?string $technicalName = null;
 
 	// virtual properties
 	protected ?array $sharing = null;
@@ -60,6 +63,7 @@ public function jsonSerialize(): array {
 			'description' => $this->getDescription(),
 			'owner' => $this->getOwnerId(),
 			'ownerType' => $this->getOwnerType(),
+			'technicalName' => $this->getTechnicalName(),
 			'menuItems' => array_values($this->menuItems ?? []),
 		];
 

lib/Db/ContextMapper.php

@@ -88,6 +88,7 @@ protected function formatResultRows(array $rows, ?string $userId, array $menuIte
 			'description' => $rows[0]['description'],
 			'owner_id' => $rows[0]['owner_id'],
 			'owner_type' => $rows[0]['owner_type'],
+			'technical_name' => $rows[0]['technical_name'] ?? null,
 		];
 
 		$formatted['sharing'] = array_reduce($rows, function (array $carry, array $item) use ($userId) {
@@ -238,6 +239,53 @@ public function findById(int $contextId, ?string $userId = null): Context {
 		return $this->formatResultRows($r, $userId, $this->menuItemMapper->findByContextIds([$contextId]));
 	}
 
+	/**
+	 * The id of the context with this technical name that the user owns, else the oldest one
+	 * shared with them. Technical names are unique per owner only.
+	 *
+	 * @throws Exception
+	 */
+	public function findIdByTechnicalName(string $technicalName, string $userId): ?int {
+		$qb = $this->db->getQueryBuilder();
+		$qb->selectDistinct(['c.id', 'c.owner_id'])
+			->from($this->table, 'c');
+		$this->applyOwnedOrSharedQuery($qb, $userId);
+		$qb->andWhere($qb->expr()->eq('c.technical_name', $qb->createNamedParameter($technicalName, IQueryBuilder::PARAM_STR)))
+			->orderBy('c.id', 'ASC');
+		$result = $qb->executeQuery();
+		$sharedId = null;
+		while (($row = $result->fetchAssociative()) !== false) {
+			if ($row['owner_id'] === $userId) {
+				$result->closeCursor();
+				return (int)$row['id'];
+			}
+			$sharedId ??= (int)$row['id'];
+		}
+		$result->closeCursor();
+		return $sharedId;
+	}
+
+	/**
+	 * Whether the owner already has another context with this technical name.
+	 *
+	 * @throws Exception
+	 */
+	public function isTechnicalNameTaken(string $technicalName, string $ownerId, ?int $exceptContextId = null): bool {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select('id')
+			->from($this->table)
+			->where($qb->expr()->eq('technical_name', $qb->createNamedParameter($technicalName, IQueryBuilder::PARAM_STR)))
+			->andWhere($qb->expr()->eq('owner_id', $qb->createNamedParameter($ownerId, IQueryBuilder::PARAM_STR)))
+			->setMaxResults(1);
+		if ($exceptContextId !== null) {
+			$qb->andWhere($qb->expr()->neq('id', $qb->createNamedParameter($exceptContextId, IQueryBuilder::PARAM_INT)));
+		}
+		$result = $qb->executeQuery();
+		$taken = $result->fetchOne() !== false;
+		$result->closeCursor();
+		return $taken;
+	}
+
 	/**
 	 * @return Context[]
 	 * @throws Exception

lib/Migration/Version2400Date20261014000000.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Tables\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+use Override;
+
+/**
+ * Applications (contexts) get an optional technical name, which addresses them at
+ * /apps/tables/app/{technicalName}. It is unique per owner, which the service checks.
+ */
+class Version2400Date20261014000000 extends SimpleMigrationStep {
+	#[Override]
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('tables_contexts_context')) {
+			$table = $schema->getTable('tables_contexts_context');
+			if (!$table->hasColumn('technical_name')) {
+				$table->addColumn('technical_name', Types::STRING, [
+					'notnull' => false,
+					'default' => null,
+					'length' => 200,
+				]);
+			}
+		}
+
+		return $schema;
+	}
+}

lib/Model/ContextScheme.php

@@ -21,6 +21,7 @@ public function __construct(
 		protected ?array $tables = [],
 		protected array $menuItems = [],
 		protected array $gridViews = [],
+		protected ?string $technicalName = null,
 	) {
 	}
 
@@ -43,7 +44,7 @@ public static function createFromInputArray(array $data): self {
 		if (!is_string($data['name'] ?? null) || trim($data['name']) === '') {
 			throw new InvalidArgumentException('A scheme needs a name.');
 		}
-		foreach (['icon', 'description'] as $optional) {
+		foreach (['icon', 'description', 'technicalName'] as $optional) {
 			if (isset($data[$optional]) && !is_string($data[$optional])) {
 				throw new InvalidArgumentException('The scheme property "' . $optional . '" must be a string.');
 			}
@@ -57,9 +58,14 @@ public static function createFromInputArray(array $data): self {
 			tables: $tables,
 			menuItems: array_values($data['menuItems'] ?? []),
 			gridViews: array_values($data['gridViews'] ?? []),
+			technicalName: isset($data['technicalName']) && $data['technicalName'] !== '' ? $data['technicalName'] : null,
 		);
 	}
 
+	public function getTechnicalName(): ?string {
+		return $this->technicalName;
+	}
+
 	public function getName(): ?string {
 		return $this->name ?? '';
 	}
@@ -108,6 +114,7 @@ public function jsonSerialize(): mixed {
 			'tables' => $this->tables,
 			'menuItems' => $this->menuItems,
 			'gridViews' => $this->gridViews,
+			'technicalName' => $this->technicalName,
 		];
 	}
 }

lib/ResponseDefinitions.php

@@ -287,6 +287,7 @@
  *   description: string,
  *   owner: string,
  *   ownerType: int,
+ *   technicalName: string|null,
  *   menuItems: list<TablesMenuItem>,
  * }
  *