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Optimize join for sharedWith by moving logic to DB
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -5,6 +5,7 @@ | |
| * @author phisch <[email protected]> | ||
| * @author Roeland Jago Douma <[email protected]> | ||
| * @author Vincent Petry <[email protected]> | ||
| * @author Piotr Mrowczynski <[email protected]> | ||
| * | ||
| * @copyright Copyright (c) 2017, ownCloud GmbH | ||
| * @license AGPL-3.0 | ||
|
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@@ -788,6 +789,116 @@ public function getSharedWith($userId, $shareType, $node, $limit, $offset) { | |
| return $shares; | ||
| } | ||
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| /** | ||
| * @inheritdoc | ||
| */ | ||
| public function getAllSharedWith($userId, $node) { | ||
| // Create array of sharedWith objects (target user -> $userId or group of which user is a member | ||
| $user = $this->userManager->get($userId); | ||
| $allGroups = $this->groupManager->getUserGroups($user, 'sharing'); | ||
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| /** @var Share[] $shares */ | ||
| $shares = []; | ||
| $groupShares = []; | ||
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| // Check if user is member of some groups and chunk them | ||
| $sharedWithGroup = array_map(function(IGroup $group) { return $group->getGID(); }, $allGroups); | ||
| $sharedWithGroupChunks = array_chunk($sharedWithGroup, 100); | ||
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| // Check how many group chunks do we need | ||
| $sharedWithGroupChunksNo = count($sharedWithGroupChunks); | ||
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| // Check that if there are no groups for users, we still query for a shared with user | ||
| $chunkNoRequired = $sharedWithGroupChunksNo > 0 ? $sharedWithGroupChunksNo : 1; | ||
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| for ($chunkNo = 0; $chunkNo < $chunkNoRequired; $chunkNo++) { | ||
| // Query for user/group shares | ||
| $qb = $this->dbConn->getQueryBuilder(); | ||
| $qb->select('s.*', 'f.fileid', 'f.path') | ||
| ->selectAlias('st.id', 'storage_string_id') | ||
| ->from('share', 's') | ||
| ->leftJoin('s', 'filecache', 'f', $qb->expr()->eq('s.file_source', 'f.fileid')) | ||
| ->leftJoin('f', 'storages', 'st', $qb->expr()->eq('f.storage', 'st.numeric_id')); | ||
|
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| // Apply predicate on item_type | ||
| $qb->where($qb->expr()->orX( | ||
| $qb->expr()->eq('item_type', $qb->createNamedParameter('file')), | ||
| $qb->expr()->eq('item_type', $qb->createNamedParameter('folder')) | ||
| )); | ||
|
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| // Apply predicate on node if provided | ||
| if ($node !== null) { | ||
| $qb->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($node->getId()))); | ||
| } | ||
|
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||
| // Handle chunking logic | ||
| if ($chunkNo === 0 && $sharedWithGroupChunksNo > 0) { | ||
| // There are groups to be checked and this is first chunk | ||
| // In the first chunk, check for shared with user along with groups | ||
| $groups = $sharedWithGroupChunks[$chunkNo]; | ||
| $qb->andWhere($qb->expr()->orX( | ||
| $qb->expr()->andX( | ||
| $qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)), | ||
| $qb->expr()->in('share_with', $qb->createNamedParameter( | ||
| $groups, | ||
| IQueryBuilder::PARAM_STR_ARRAY | ||
| )) | ||
| ), | ||
| $qb->expr()->andX( | ||
| $qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_USER)), | ||
| $qb->expr()->eq('share_with', $qb->createNamedParameter($userId)) | ||
| ) | ||
| )); | ||
| } else if ($sharedWithGroupChunksNo > 0) { | ||
| // There are groups to be checked and this is consecutive chunk | ||
| $groups = $sharedWithGroupChunks[$chunkNo]; | ||
| $qb->andWhere( | ||
| $qb->expr()->andX( | ||
| $qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)), | ||
| $qb->expr()->in('share_with', $qb->createNamedParameter( | ||
| $groups, | ||
| IQueryBuilder::PARAM_STR_ARRAY | ||
| )) | ||
| ) | ||
| ); | ||
| } else { | ||
| // There are groups to be checked | ||
| $qb->andWhere( | ||
| $qb->expr()->andX( | ||
| $qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_USER)), | ||
| $qb->expr()->eq('share_with', $qb->createNamedParameter($userId)) | ||
| ) | ||
| ); | ||
| } | ||
|
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| $cursor = $qb->execute(); | ||
|
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||
| while($data = $cursor->fetch()) { | ||
| if ($this->isAccessibleResult($data)) { | ||
| $share = $this->createShare($data); | ||
| if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP){ | ||
| $groupShares[] = $share; | ||
| } else { | ||
| $shares[] = $share; | ||
| } | ||
| } | ||
| } | ||
| $cursor->closeCursor(); | ||
| } | ||
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| // Resolve shares | ||
| // TODO: will be optimised by https://github.com/owncloud/core/pull/27434 | ||
| $resolveGroupShares = []; | ||
| foreach($groupShares as $groupShare) { | ||
| $resolveGroupShares[] = $this->resolveGroupShare($groupShare, $userId); | ||
| } | ||
|
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||
| // Merge and return | ||
| $resolvedShares = array_merge($shares, $resolveGroupShares); | ||
| return $resolvedShares; | ||
| } | ||
|
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| /** | ||
| * Get a share by token | ||
| * | ||
|
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||
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