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Change fullRecursiveScan function to enable more than just look for changes, also do proper full scan

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Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>
This commit is contained in:
Claudio Cambra 2023-03-17 23:27:59 +01:00
parent 97d2b354df
commit 3538ce9424
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GPG key ID: C839200C384636B0
1 changed files with 42 additions and 24 deletions
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40
shell_integration/MacOSX/NextcloudIntegration/FileProviderExt/FileProviderEnumerator.swift
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@ -241,7 +241,7 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
if enumeratedItemIdentifier == .workingSet {
Logger.enumeration.debug("Enumerating changes in working set for user: \(self.ncAccount.ncKitAccount, privacy: OSLogPrivacy.auto(mask: .hash))")
FileProviderEnumerator.fullRecursiveScanForChanges(ncAccount: self.ncAccount, ncKit: self.ncKit) { newMetadatas, updatedMetadatas, deletedMetadatas in
FileProviderEnumerator.fullRecursiveScan(ncAccount: self.ncAccount, ncKit: self.ncKit, scanChangesOnly: true) { newMetadatas, updatedMetadatas, deletedMetadatas in
Logger.enumeration.info("Finished recursive change enumeration of working set for user: \(self.ncAccount.ncKitAccount, privacy: OSLogPrivacy.auto(mask: .hash)). Enumerating items.")
@ -417,7 +417,7 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
observer.finishEnumeratingChanges(upTo: anchor, moreComing: false)
}
private static func fullRecursiveScanForChanges(ncAccount: NextcloudAccount, ncKit: NextcloudKit, completionHandler: @escaping(_ newMetadatas: [NextcloudItemMetadataTable], _ updatedMetadatas: [NextcloudItemMetadataTable], _ deletedMetadatas: [NextcloudItemMetadataTable]) -> Void) {
private static func fullRecursiveScan(ncAccount: NextcloudAccount, ncKit: NextcloudKit, scanChangesOnly: Bool, completionHandler: @escaping(_ newMetadatas: [NextcloudItemMetadataTable], _ updatedMetadatas: [NextcloudItemMetadataTable], _ deletedMetadatas: [NextcloudItemMetadataTable]) -> Void) {
let rootContainerDirectoryMetadata = NextcloudDirectoryMetadataTable()
rootContainerDirectoryMetadata.serverUrl = ncAccount.davFilesUrl
@ -428,7 +428,7 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
let dispatchQueue = DispatchQueue(label: "recursiveChangeEnumerationQueue", qos: .background)
dispatchQueue.async {
let results = scanRecursivelyForChanges(rootContainerDirectoryMetadata, ncAccount: ncAccount, ncKit: ncKit)
let results = scanRecursively(rootContainerDirectoryMetadata, ncAccount: ncAccount, ncKit: ncKit, scanChangesOnly: scanChangesOnly)
DispatchQueue.main.async {
completionHandler(results.newMetadatas, results.updatedMetadatas, results.deletedMetadatas)
@ -436,8 +436,9 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
}
}
private static func scanRecursivelyForChanges(_ directoryMetadata: NextcloudDirectoryMetadataTable, ncAccount: NextcloudAccount, ncKit: NextcloudKit) -> (newMetadatas: [NextcloudItemMetadataTable], updatedMetadatas: [NextcloudItemMetadataTable], deletedMetadatas: [NextcloudItemMetadataTable]) {
private static func scanRecursively(_ directoryMetadata: NextcloudDirectoryMetadataTable, ncAccount: NextcloudAccount, ncKit: NextcloudKit, scanChangesOnly: Bool) -> (metadatas: [NextcloudItemMetadataTable], newMetadatas: [NextcloudItemMetadataTable], updatedMetadatas: [NextcloudItemMetadataTable], deletedMetadatas: [NextcloudItemMetadataTable]) {
var allMetadatas: [NextcloudItemMetadataTable] = []
var allNewMetadatas: [NextcloudItemMetadataTable] = []
var allUpdatedMetadatas: [NextcloudItemMetadataTable] = []
var allDeletedMetadatas: [NextcloudItemMetadataTable] = []
@ -448,11 +449,16 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
dispatchGroup.enter()
Logger.enumeration.debug("About to read: \(directoryMetadata.serverUrl, privacy: OSLogPrivacy.auto(mask: .hash))")
FileProviderEnumerator.readServerUrl(directoryMetadata.serverUrl, ncAccount: ncAccount, ncKit: ncKit, stopAtMatchingEtags: true) { _, newMetadatas, updatedMetadatas, deletedMetadatas, readError in
guard readError == nil else {
FileProviderEnumerator.readServerUrl(directoryMetadata.serverUrl, ncAccount: ncAccount, ncKit: ncKit, stopAtMatchingEtags: scanChangesOnly) { metadatas, newMetadatas, updatedMetadatas, deletedMetadatas, readError in
if readError != nil {
let nkReadError = NKError(error: readError!)
// Is the error is that we have found matching etags on this item, then ignore it
// if we are doing a full rescan
guard nkReadError.isNoChangesError && scanChangesOnly else {
Logger.enumeration.error("Finishing enumeration of changes at \(directoryMetadata.serverUrl, privacy: OSLogPrivacy.auto(mask: .hash)) with \(readError!.localizedDescription, privacy: .public)")
let nkReadError = NKError(error: readError!)
if nkReadError.isNotFoundError {
Logger.enumeration.info("404 error means item no longer exists. Deleting metadata and reporting as deletion without error")
@ -471,8 +477,16 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
dispatchGroup.leave()
return
}
}
Logger.enumeration.info("Finished reading serverUrl: \(directoryMetadata.serverUrl, privacy: OSLogPrivacy.auto(mask: .hash)) for user: \(ncAccount.ncKitAccount, privacy: OSLogPrivacy.auto(mask: .hash))")
if let metadatas = metadatas {
allMetadatas += metadatas
} else {
Logger.enumeration.warning("WARNING: Nil metadatas received for reading of changes at \(directoryMetadata.serverUrl, privacy: OSLogPrivacy.auto(mask: .hash)) for user: \(ncAccount.ncKitAccount, privacy: OSLogPrivacy.auto(mask: .hash))")
}
if let newMetadatas = newMetadatas {
allNewMetadatas += newMetadatas
} else {
@ -509,18 +523,19 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
}
if updatedDirectories.isEmpty {
return (newMetadatas: allNewMetadatas, updatedMetadatas: allUpdatedMetadatas, deletedMetadatas: allDeletedMetadatas)
return (metadatas: allMetadatas, newMetadatas: allNewMetadatas, updatedMetadatas: allUpdatedMetadatas, deletedMetadatas: allDeletedMetadatas)
}
for childDirectory in updatedDirectories {
let childScanResult = scanRecursivelyForChanges(childDirectory, ncAccount: ncAccount, ncKit: ncKit)
let childScanResult = scanRecursively(childDirectory, ncAccount: ncAccount, ncKit: ncKit, scanChangesOnly: scanChangesOnly)
allMetadatas += childScanResult.metadatas
allNewMetadatas += childScanResult.newMetadatas
allUpdatedMetadatas += childScanResult.updatedMetadatas
allDeletedMetadatas += childScanResult.deletedMetadatas
}
return (newMetadatas: allNewMetadatas, updatedMetadatas: allUpdatedMetadatas, deletedMetadatas: allDeletedMetadatas)
return (metadatas: allMetadatas, newMetadatas: allNewMetadatas, updatedMetadatas: allUpdatedMetadatas, deletedMetadatas: allDeletedMetadatas)
}
private static func readServerUrl(_ serverUrl: String, ncAccount: NextcloudAccount, ncKit: NextcloudKit, stopAtMatchingEtags: Bool = false, completionHandler: @escaping (_ metadatas: [NextcloudItemMetadataTable]?, _ newMetadatas: [NextcloudItemMetadataTable]?, _ updatedMetadatas: [NextcloudItemMetadataTable]?, _ deletedMetadatas: [NextcloudItemMetadataTable]?, _ readError: Error?) -> Void) {
@ -560,7 +575,10 @@ class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
let description = "Fetched directory etag is same as that stored locally. Not fetching child items."
let nkError = NKError(errorCode: NKError.noChangesErrorCode, errorDescription: description)
completionHandler(nil, nil, nil, nil, nkError.error)
let metadatas = dbManager.itemMetadatas(account: account, serverUrl: serverUrl)
completionHandler(metadatas, nil, nil, nil, nkError.error)
return
}
}