Provider functionality

Signed-off-by: Joas Schilling <coding@schilljs.com>

3 files changed, 96 insertions, 0 deletions

diff --git a/lib/private/Collaboration/Resources/Collection.php b/lib/private/Collaboration/Resources/Collection.php
index 8509b4442de..e89f62c0518 100644
--- a/lib/private/Collaboration/Resources/Collection.php
+++ b/lib/private/Collaboration/Resources/Collection.php
@@ -30,6 +30,7 @@ use OCP\Collaboration\Resources\ICollection;
 use OCP\Collaboration\Resources\IResource;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\IDBConnection;
+use OCP\IUser;
 
 class Collection implements ICollection {
 
@@ -131,6 +132,23 @@ class Collection implements ICollection {
 		}
 	}
 
+	/**
+	 * Can a user/guest access the collection
+	 *
+	 * @param IUser $user
+	 * @return bool
+	 * @since 15.0.0
+	 */
+	public function canAccess(IUser $user = null): bool {
+		foreach ($this->getResources() as $resource) {
+			if ($resource->canAccess($user)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
 	protected function isSameResource(IResource $resource1, IResource $resource2): bool {
 		return $resource1->getType() === $resource2->getType() &&
 			$resource1->getId() === $resource2->getId();
diff --git a/lib/private/Collaboration/Resources/Manager.php b/lib/private/Collaboration/Resources/Manager.php
index e36c4ab1d38..8302d4a1002 100644
--- a/lib/private/Collaboration/Resources/Manager.php
+++ b/lib/private/Collaboration/Resources/Manager.php
@@ -25,8 +25,11 @@ namespace OC\Collaboration\Resources;
 
 use OCP\Collaboration\Resources\ICollection;
 use OCP\Collaboration\Resources\IManager;
+use OCP\Collaboration\Resources\IProvider;
 use OCP\Collaboration\Resources\IResource;
+use OCP\Collaboration\Resources\ResourceException;
 use OCP\IDBConnection;
+use OCP\IUser;
 
 class Manager implements IManager {
 
@@ -55,4 +58,51 @@ class Manager implements IManager {
 	public function getResource(string $type, string $id): IResource {
 		return new Resource($this, $this->connection, $type, $id);
 	}
+
+	/**
+	 * @return IProvider[]
+	 * @since 15.0.0
+	 */
+	public function getProviders(): array {
+		return [];
+	}
+
+	/**
+	 * Get the display name of a resource
+	 *
+	 * @param IResource $resource
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getName(IResource $resource): string {
+		foreach ($this->getProviders() as $provider) {
+			try {
+				return $provider->getName($resource);
+			} catch (ResourceException $e) {
+			}
+		}
+
+		return '';
+	}
+
+	/**
+	 * Can a user/guest access the collection
+	 *
+	 * @param IResource $resource
+	 * @param IUser $user
+	 * @return bool
+	 * @since 15.0.0
+	 */
+	public function canAccess(IResource $resource, IUser $user = null): bool {
+		foreach ($this->getProviders() as $provider) {
+			try {
+				if ($provider->canAccess($resource, $user)) {
+					return true;
+				}
+			} catch (ResourceException $e) {
+			}
+		}
+
+		return false;
+	}
 }
diff --git a/lib/private/Collaboration/Resources/Resource.php b/lib/private/Collaboration/Resources/Resource.php
index 0eda8ba55c2..144af6d358e 100644
--- a/lib/private/Collaboration/Resources/Resource.php
+++ b/lib/private/Collaboration/Resources/Resource.php
@@ -26,7 +26,9 @@ namespace OC\Collaboration\Resources;
 use OCP\Collaboration\Resources\ICollection;
 use OCP\Collaboration\Resources\IManager;
 use OCP\Collaboration\Resources\IResource;
+use OCP\Collaboration\Resources\ResourceException;
 use OCP\IDBConnection;
+use OCP\IUser;
 
 class Resource implements IResource {
 
@@ -42,6 +44,9 @@ class Resource implements IResource {
 	/** @var string */
 	protected $id;
 
+	/** @var string|null */
+	protected $name;
+
 	public function __construct(IManager $manager, IDBConnection $connection, string $type, string $id) {
 		$this->manager = $manager;
 		$this->connection = $connection;
@@ -66,6 +71,29 @@ class Resource implements IResource {
 	}
 
 	/**
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getName(): string {
+		if ($this->name === null) {
+			$this->name = $this->manager->getName($this);
+		}
+
+		return $this->name;
+	}
+
+	/**
+	 * Can a user/guest access the resource
+	 *
+	 * @param IUser $user
+	 * @return bool
+	 * @since 15.0.0
+	 */
+	public function canAccess(IUser $user = null): bool {
+		return $this->manager->canAccess($this, $user);
+	}
+
+	/**
 	 * @return ICollection[]
 	 * @since 15.0.0
 	 */