Make the share object lazy

Share providers can now just pass in a fileId. And the node will only be
created once needed.

3 files changed, 52 insertions, 20 deletions

diff --git a/lib/private/share20/defaultshareprovider.php b/lib/private/share20/defaultshareprovider.php
index 38d1dae316d..48164a5d419 100644
--- a/lib/private/share20/defaultshareprovider.php
+++ b/lib/private/share20/defaultshareprovider.php
@@ -711,7 +711,7 @@ class DefaultShareProvider implements IShareProvider {
 	 * @throws InvalidShare
 	 */
 	private function createShare($data) {
-		$share = new Share();
+		$share = new Share($this->rootFolder);
 		$share->setId((int)$data['id'])
 			->setShareType((int)$data['share_type'])
 			->setPermissions((int)$data['permissions'])
@@ -744,8 +744,7 @@ class DefaultShareProvider implements IShareProvider {
 			$share->setShareOwner($data['uid_owner']);
 		}
 
-		$path = $this->getNode($share->getShareOwner(), (int)$data['file_source']);
-		$share->setNode($path);
+		$share->setNodeId((int)$data['file_source']);
 
 		if ($data['expiration'] !== null) {
 			$expiration = \DateTime::createFromFormat('Y-m-d H:i:s', $data['expiration']);
diff --git a/lib/private/share20/manager.php b/lib/private/share20/manager.php
index db42f76d7a2..3db76d92ac7 100644
--- a/lib/private/share20/manager.php
+++ b/lib/private/share20/manager.php
@@ -21,6 +21,7 @@
 
 namespace OC\Share20;
 
+use OCP\Files\IRootFolder;
 use OCP\IUserManager;
 use OCP\Share\IManager;
 use OCP\Share\IProviderFactory;
@@ -45,30 +46,24 @@ class Manager implements IManager {
 
 	/** @var IProviderFactory */
 	private $factory;
-
 	/** @var ILogger */
 	private $logger;
-
 	/** @var IConfig */
 	private $config;
-
 	/** @var ISecureRandom */
 	private $secureRandom;
-
 	/** @var IHasher */
 	private $hasher;
-
 	/** @var IMountManager */
 	private $mountManager;
-
 	/** @var IGroupManager */
 	private $groupManager;
-
 	/** @var IL10N */
 	private $l;
-
 	/** @var IUserManager */
 	private $userManager;
+	/** @var IRootFolder */
+	private $rootFolder;
 
 	/**
 	 * Manager constructor.
@@ -92,7 +87,8 @@ class Manager implements IManager {
 			IGroupManager $groupManager,
 			IL10N $l,
 			IProviderFactory $factory,
-			IUserManager $userManager
+			IUserManager $userManager,
+			IRootFolder $rootFolder
 	) {
 		$this->logger = $logger;
 		$this->config = $config;
@@ -103,6 +99,7 @@ class Manager implements IManager {
 		$this->l = $l;
 		$this->factory = $factory;
 		$this->userManager = $userManager;
+		$this->rootFolder = $rootFolder;
 	}
 
 	/**
@@ -888,7 +885,7 @@ class Manager implements IManager {
 	 * @return \OCP\Share\IShare;
 	 */
 	public function newShare() {
-		return new \OC\Share20\Share();
+		return new \OC\Share20\Share($this->rootFolder);
 	}
 
 	/**
diff --git a/lib/private/share20/share.php b/lib/private/share20/share.php
index db91ad4a91d..5b7945b1da8 100644
--- a/lib/private/share20/share.php
+++ b/lib/private/share20/share.php
@@ -20,7 +20,9 @@
  */
 namespace OC\Share20;
 
+use OCP\Files\IRootFolder;
 use OCP\Files\Node;
+use OCP\Files\NotFoundException;
 use OCP\IUser;
 use OCP\IGroup;
 
@@ -31,14 +33,16 @@ class Share implements \OCP\Share\IShare {
 	/** @var string */
 	private $providerId;
 	/** @var Node */
-	private $path;
+	private $node;
+	/** @var int */
+	private $fileId;
 	/** @var int */
 	private $shareType;
-	/** @var IUser|IGroup */
+	/** @var string */
 	private $sharedWith;
-	/** @var IUser */
+	/** @var string */
 	private $sharedBy;
-	/** @var IUser */
+	/** @var string */
 	private $shareOwner;
 	/** @var int */
 	private $permissions;
@@ -57,6 +61,13 @@ class Share implements \OCP\Share\IShare {
 	/** @var bool */
 	private $mailSend;
 
+	/** @var IRootFolder */
+	private $rootFolder;
+
+	public function __construct(IRootFolder $rootFolder) {
+		$this->rootFolder = $rootFolder;
+	}
+
 	/**
 	 * @inheritdoc
 	 */
@@ -90,8 +101,8 @@ class Share implements \OCP\Share\IShare {
 	/**
 	 * @inheritdoc
 	 */
-	public function setNode(Node $path) {
-		$this->path = $path;
+	public function setNode(Node $node) {
+		$this->node = $node;
 		return $this;
 	}
 
@@ -99,7 +110,32 @@ class Share implements \OCP\Share\IShare {
 	 * @inheritdoc
 	 */
 	public function getNode() {
-		return $this->path;
+		if ($this->node === null) {
+
+			if ($this->shareOwner === null || $this->fileId === null) {
+				throw new NotFoundException();
+			}
+
+			$userFolder = $this->rootFolder->getUserFolder($this->shareOwner);
+
+			$nodes = $userFolder->getById($this->fileId);
+			if (empty($nodes)) {
+				throw new NotFoundException();
+			}
+
+			$this->node = $nodes[0];
+		}
+
+		return $this->node;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function setNodeId($fileId) {
+		$this->node = null;
+		$this->fileId = $fileId;
+		return $this;
 	}
 
 	/**