//
// NCOperationQueue.swift
// Nextcloud
//
// Created by Marino Faggiana on 03/06/2020.
// Copyright © 2020 Marino Faggiana. All rights reserved.
//
// Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
import Queuer
import NCCommunication
@objc class NCOperationQueue: NSObject {
@objc public static let shared: NCOperationQueue = {
let instance = NCOperationQueue()
return instance
}()
private var downloadQueue = Queuer(name: "downloadQueue", maxConcurrentOperationCount: 5, qualityOfService: .default)
private let deleteQueue = Queuer(name: "deleteQueue", maxConcurrentOperationCount: 1, qualityOfService: .default)
private let copyMoveQueue = Queuer(name: "copyMoveQueue", maxConcurrentOperationCount: 1, qualityOfService: .default)
private let synchronizationQueue = Queuer(name: "synchronizationQueue", maxConcurrentOperationCount: 1, qualityOfService: .default)
private let downloadThumbnailQueue = Queuer(name: "downloadThumbnailQueue", maxConcurrentOperationCount: 10, qualityOfService: .default)
private let downloadAvatarQueue = Queuer(name: "downloadAvatarQueue", maxConcurrentOperationCount: 10, qualityOfService: .default)
private let dataSourceQueue = Queuer(name: "dataSourceQueue", maxConcurrentOperationCount: 1, qualityOfService: .default)
private var timerReadFileForMediaQueue: Timer?
@objc func cancelAllQueue() {
downloadCancelAll()
deleteCancelAll()
copyMoveCancelAll()
synchronizationCancelAll()
downloadThumbnailCancelAll()
downloadAvatarCancelAll()
dataSourceAddSectionCancelAll()
}
// Download file
func download(metadata: tableMetadata, selector: String) {
for operation in downloadQueue.operations as! [NCOperationDownload] {
if operation.metadata.ocId == metadata.ocId {
return
}
}
downloadQueue.addOperation(NCOperationDownload(metadata: metadata, selector: selector))
}
@objc func downloadCancelAll() {
downloadQueue.cancelAll()
}
@objc func downloadCount() -> Int {
return downloadQueue.operationCount
}
@objc func downloadExists(metadata: tableMetadata) -> Bool {
for operation in downloadQueue.operations as! [NCOperationDownload] {
if operation.metadata.ocId == metadata.ocId {
return true
}
}
return false
}
// Delete file
@objc func delete(metadata: tableMetadata, onlyLocalCache: Bool) {
for operation in deleteQueue.operations as! [NCOperationDelete] {
if operation.metadata.ocId == metadata.ocId {
return
}
}
deleteQueue.addOperation(NCOperationDelete(metadata: metadata, onlyLocalCache: onlyLocalCache))
}
@objc func deleteCancelAll() {
deleteQueue.cancelAll()
}
@objc func deleteCount() -> Int {
return deleteQueue.operationCount
}
// Copy Move file
@objc func copyMove(metadata: tableMetadata, serverUrl: String, overwrite: Bool, move: Bool) {
for operation in copyMoveQueue.operations as! [NCOperationCopyMove] {
if operation.metadata.ocId == metadata.ocId {
return
}
}
copyMoveQueue.addOperation(NCOperationCopyMove(metadata: metadata, serverUrlTo: serverUrl, overwrite: overwrite, move: move))
}
@objc func copyMoveCancelAll() {
copyMoveQueue.cancelAll()
}
@objc func copyMoveCount() -> Int {
return copyMoveQueue.operationCount
}
// Synchronization
@objc func synchronizationMetadata(_ metadata: tableMetadata, selector: String) {
for operation in synchronizationQueue.operations as! [NCOperationSynchronization] {
if operation.metadata.ocId == metadata.ocId {
return
}
}
synchronizationQueue.addOperation(NCOperationSynchronization(metadata: metadata, selector: selector))
}
@objc func synchronizationCancelAll() {
synchronizationQueue.cancelAll()
}
// Download Thumbnail
@objc func downloadThumbnail(metadata: tableMetadata, placeholder: Bool, cell: UIView?, view: UIView?) {
let cell: NCCellProtocol? = cell as? NCCellProtocol
if placeholder {
if metadata.iconName.count > 0 {
cell?.filePreviewImageView?.image = UIImage(named: metadata.iconName)
} else {
cell?.filePreviewImageView?.image = NCBrandColor.cacheImages.file
}
}
if metadata.hasPreview && metadata.status == NCGlobal.shared.metadataStatusNormal && (!CCUtility.fileProviderStoragePreviewIconExists(metadata.ocId, etag: metadata.etag)) {
for operation in downloadThumbnailQueue.operations as! [NCOperationDownloadThumbnail] {
if operation.metadata.ocId == metadata.ocId {
return
}
}
downloadThumbnailQueue.addOperation(NCOperationDownloadThumbnail(metadata: metadata, cell: cell, view: view))
}
}
func cancelDownloadThumbnail(metadata: tableMetadata) {
for operation in downloadThumbnailQueue.operations as! [NCOperationDownloadThumbnail] {
if operation.metadata.ocId == metadata.ocId {
operation.cancel()
}
}
}
@objc func downloadThumbnailCancelAll() {
downloadThumbnailQueue.cancelAll()
}
// Download Avatar
func downloadAvatar(user: String, dispalyName: String?, fileName: String, cell: NCCellProtocol, view: UIView?, cellImageView: UIImageView?) {
let fileNameLocalPath = String(CCUtility.getDirectoryUserData()) + "/" + fileName
if let image = NCManageDatabase.shared.getImageAvatarLoaded(fileName: fileName) {
cellImageView?.image = image
cell.fileAvatarImageView?.image = image
return
}
if let account = NCManageDatabase.shared.getActiveAccount() {
cellImageView?.image = NCUtility.shared.loadUserImage(
for: user,
displayName: dispalyName,
userBaseUrl: account)
}
for operation in downloadAvatarQueue.operations as! [NCOperationDownloadAvatar] {
if operation.fileName == fileName {
return
}
}
downloadAvatarQueue.addOperation(NCOperationDownloadAvatar(user: user, fileName: fileName, fileNameLocalPath: fileNameLocalPath, cell: cell, view: view, cellImageView: cellImageView))
}
func cancelDownloadAvatar(user: String) {
for operation in downloadAvatarQueue.operations as! [NCOperationDownloadAvatar] {
if operation.user == user {
operation.cancel()
}
}
}
@objc func downloadAvatarCancelAll() {
downloadAvatarQueue.cancelAll()
}
// Datasource
func dataSourceAddSection(collectionViewCommon: NCCollectionViewCommon, metadatas: [tableMetadata], searchResult: NCCSearchResult) {
dataSourceQueue.addOperation(NCOperationDataSource.init(collectionViewCommon: collectionViewCommon, metadatas: metadatas, searchResult: searchResult))
}
@objc func dataSourceAddSectionCancelAll() {
dataSourceQueue.cancelAll()
}
func dataSourceAddSectionCount() -> Int {
return dataSourceQueue.operationCount
}
}
// MARK: -
class NCOperationDownload: ConcurrentOperation {
var metadata: tableMetadata
var selector: String
init(metadata: tableMetadata, selector: String) {
self.metadata = tableMetadata.init(value: metadata)
self.selector = selector
}
override func start() {
if isCancelled {
self.finish()
} else {
NCNetworking.shared.download(metadata: metadata, selector: self.selector) { _ in
self.finish()
}
}
}
}
// MARK: -
class NCOperationDelete: ConcurrentOperation {
var metadata: tableMetadata
var onlyLocalCache: Bool
init(metadata: tableMetadata, onlyLocalCache: Bool) {
self.metadata = tableMetadata.init(value: metadata)
self.onlyLocalCache = onlyLocalCache
}
override func start() {
if isCancelled {
self.finish()
} else {
NCNetworking.shared.deleteMetadata(metadata, onlyLocalCache: onlyLocalCache) { errorCode, errorDescription in
if errorCode != 0 {
NCContentPresenter.shared.messageNotification("_error_", description: errorDescription, delay: NCGlobal.shared.dismissAfterSecond, type: NCContentPresenter.messageType.error, errorCode: errorCode)
}
self.finish()
}
}
}
}
// MARK: -
class NCOperationCopyMove: ConcurrentOperation {
var metadata: tableMetadata
var serverUrlTo: String
var overwrite: Bool
var move: Bool
init(metadata: tableMetadata, serverUrlTo: String, overwrite: Bool, move: Bool) {
self.metadata = tableMetadata.init(value: metadata)
self.serverUrlTo = serverUrlTo
self.overwrite = overwrite
self.move = move
}
override func start() {
if isCancelled {
self.finish()
} else {
if move {
NCNetworking.shared.moveMetadata(metadata, serverUrlTo: serverUrlTo, overwrite: overwrite) { errorCode, errorDescription in
if errorCode != 0 {
NCContentPresenter.shared.messageNotification("_error_", description: errorDescription, delay: NCGlobal.shared.dismissAfterSecond, type: NCContentPresenter.messageType.error, errorCode: errorCode)
}
self.finish()
}
} else {
NCNetworking.shared.copyMetadata(metadata, serverUrlTo: serverUrlTo, overwrite: overwrite) { errorCode, errorDescription in
if errorCode != 0 {
NCContentPresenter.shared.messageNotification("_error_", description: errorDescription, delay: NCGlobal.shared.dismissAfterSecond, type: NCContentPresenter.messageType.error, errorCode: errorCode)
}
self.finish()
}
}
}
}
}
// MARK: -
class NCOperationSynchronization: ConcurrentOperation {
var metadata: tableMetadata
var selector: String
var download: Bool
init(metadata: tableMetadata, selector: String) {
self.metadata = tableMetadata.init(value: metadata)
self.selector = selector
if selector == NCGlobal.shared.selectorDownloadFile || selector == NCGlobal.shared.selectorDownloadAllFile {
self.download = true
} else {
self.download = false
}
}
override func start() {
if isCancelled {
self.finish()
} else {
if metadata.directory {
let serverUrl = metadata.serverUrl + "/" + metadata.fileName
let directory = NCManageDatabase.shared.getTableDirectory(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@", metadata.account, serverUrl))
NCCommunication.shared.readFileOrFolder(serverUrlFileName: serverUrl, depth: "0", showHiddenFiles: CCUtility.getShowHiddenFiles()) { account, files, _, errorCode, _ in
if (errorCode == 0) && (directory?.etag != files.first?.etag || self.selector == NCGlobal.shared.selectorDownloadAllFile) {
NCCommunication.shared.readFileOrFolder(serverUrlFileName: serverUrl, depth: "1", showHiddenFiles: CCUtility.getShowHiddenFiles(), queue: NCCommunicationCommon.shared.backgroundQueue) { account, files, _, errorCode, _ in
if errorCode == 0 {
NCManageDatabase.shared.convertNCCommunicationFilesToMetadatas(files, useMetadataFolder: true, account: account) { metadataFolder, _, metadatas in
let metadatasResult = NCManageDatabase.shared.getMetadatas(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@ AND status == %d", account, serverUrl, NCGlobal.shared.metadataStatusNormal))
if self.selector == NCGlobal.shared.selectorDownloadAllFile {
NCManageDatabase.shared.updateMetadatas(metadatas, metadatasResult: metadatasResult)
for metadata in metadatas {
if metadata.directory {
NCOperationQueue.shared.synchronizationMetadata(metadata, selector: self.selector)
} else {
if NCManageDatabase.shared.isDownloadMetadata(metadata, download: true) {
NCOperationQueue.shared.download(metadata: metadata, selector: self.selector)
}
}
}
} else {
let metadatasChanged = NCManageDatabase.shared.updateMetadatas(metadatas, metadatasResult: metadatasResult, addExistsInLocal: self.download, addCompareEtagLocal: true, addDirectorySynchronized: true)
for metadata in metadatasChanged.metadatasUpdate {
if metadata.directory {
NCOperationQueue.shared.synchronizationMetadata(metadata, selector: self.selector)
}
}
for metadata in metadatasChanged.metadatasLocalUpdate {
NCOperationQueue.shared.download(metadata: metadata, selector: self.selector)
}
}
// Update etag directory
NCManageDatabase.shared.addDirectory(encrypted: metadataFolder.e2eEncrypted, favorite: metadataFolder.favorite, ocId: metadataFolder.ocId, fileId: metadataFolder.fileId, etag: metadataFolder.etag, permissions: metadataFolder.permissions, serverUrl: serverUrl, account: metadataFolder.account)
}
} else if errorCode == NCGlobal.shared.errorResourceNotFound && self.metadata.directory {
NCManageDatabase.shared.deleteDirectoryAndSubDirectory(serverUrl: self.metadata.serverUrl, account: self.metadata.account)
}
self.finish()
}
} else {
let metadatas = NCManageDatabase.shared.getMetadatas(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@", account, serverUrl))
for metadata in metadatas {
if metadata.directory {
NCOperationQueue.shared.synchronizationMetadata(metadata, selector: self.selector)
} else {
if NCManageDatabase.shared.isDownloadMetadata(metadata, download: self.download) {
NCOperationQueue.shared.download(metadata: metadata, selector: self.selector)
}
}
}
self.finish()
}
}
} else {
if NCManageDatabase.shared.isDownloadMetadata(metadata, download: self.download) {
NCOperationQueue.shared.download(metadata: metadata, selector: self.selector)
}
self.finish()
}
}
}
}
// MARK: -
class NCOperationDownloadThumbnail: ConcurrentOperation {
var metadata: tableMetadata
var cell: NCCellProtocol?
var view: UIView?
var fileNamePath: String = ""
var fileNamePreviewLocalPath: String = ""
var fileNameIconLocalPath: String = ""
init(metadata: tableMetadata, cell: NCCellProtocol?, view: UIView?) {
self.metadata = tableMetadata.init(value: metadata)
self.cell = cell
self.view = view
self.fileNamePath = CCUtility.returnFileNamePath(fromFileName: metadata.fileName, serverUrl: metadata.serverUrl, urlBase: metadata.urlBase, account: metadata.account)!
self.fileNamePreviewLocalPath = CCUtility.getDirectoryProviderStoragePreviewOcId(metadata.ocId, etag: metadata.etag)!
self.fileNameIconLocalPath = CCUtility.getDirectoryProviderStorageIconOcId(metadata.ocId, etag: metadata.etag)!
}
override func start() {
if isCancelled {
self.finish()
} else {
var etagResource: String?
if FileManager.default.fileExists(atPath: fileNameIconLocalPath) && FileManager.default.fileExists(atPath: fileNamePreviewLocalPath) {
etagResource = metadata.etagResource
}
NCCommunication.shared.downloadPreview(
fileNamePathOrFileId: fileNamePath,
fileNamePreviewLocalPath: fileNamePreviewLocalPath,
widthPreview: NCGlobal.shared.sizePreview,
heightPreview: NCGlobal.shared.sizePreview,
fileNameIconLocalPath: fileNameIconLocalPath,
sizeIcon: NCGlobal.shared.sizeIcon,
etag: etagResource,
queue: NCCommunicationCommon.shared.backgroundQueue) { _, _, imageIcon, _, etag, errorCode, _ in
if errorCode == 0 && imageIcon != nil {
NCManageDatabase.shared.setMetadataEtagResource(ocId: self.metadata.ocId, etagResource: etag)
DispatchQueue.main.async {
if self.metadata.ocId == self.cell?.fileObjectId {
if let filePreviewImageView = self.cell?.filePreviewImageView {
UIView.transition(with: filePreviewImageView,
duration: 0.75,
options: .transitionCrossDissolve,
animations: { filePreviewImageView.image = imageIcon! },
completion: nil)
}
} else {
if self.view is UICollectionView {
(self.view as? UICollectionView)?.reloadData()
} else if self.view is UITableView {
(self.view as? UITableView)?.reloadData()
}
}
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterDownloadedThumbnail, userInfo: ["ocId": self.metadata.ocId])
}
}
self.finish()
}
}
}
}
// MARK: -
class NCOperationDownloadAvatar: ConcurrentOperation {
var user: String
var fileName: String
var etag: String?
var fileNameLocalPath: String
var cell: NCCellProtocol!
var view: UIView?
var cellImageView: UIImageView?
init(user: String, fileName: String, fileNameLocalPath: String, cell: NCCellProtocol, view: UIView?, cellImageView: UIImageView?) {
self.user = user
self.fileName = fileName
self.fileNameLocalPath = fileNameLocalPath
self.cell = cell
self.view = view
self.etag = NCManageDatabase.shared.getTableAvatar(fileName: fileName)?.etag
self.cellImageView = cellImageView
}
override func start() {
if isCancelled {
self.finish()
} else {
NCCommunication.shared.downloadAvatar(user: user, fileNameLocalPath: fileNameLocalPath, sizeImage: NCGlobal.shared.avatarSize, avatarSizeRounded: NCGlobal.shared.avatarSizeRounded, etag: self.etag, queue: NCCommunicationCommon.shared.backgroundQueue) { _, imageAvatar, _, etag, errorCode, _ in
if errorCode == 0, let imageAvatar = imageAvatar, let etag = etag {
NCManageDatabase.shared.addAvatar(fileName: self.fileName, etag: etag)
DispatchQueue.main.async {
if self.user == self.cell.fileUser {
if let avatarImageView = self.cellImageView {
UIView.transition(with: avatarImageView, duration: 0.75, options: .transitionCrossDissolve) {
avatarImageView.image = imageAvatar
} completion: { _ in
if self.view is UICollectionView {
(self.view as? UICollectionView)?.reloadData()
} else if self.view is UITableView {
(self.view as? UITableView)?.reloadData()
}
}
}
} else {
if self.view is UICollectionView {
(self.view as? UICollectionView)?.reloadData()
} else if self.view is UITableView {
(self.view as? UITableView)?.reloadData()
}
}
}
} else if errorCode == NCGlobal.shared.errorNotModified {
NCManageDatabase.shared.setAvatarLoaded(fileName: self.fileName)
}
self.finish()
}
}
}
}
// MARK: -
class NCOperationDataSource: ConcurrentOperation {
var collectionViewCommon: NCCollectionViewCommon
var metadatas: [tableMetadata]
var searchResult: NCCSearchResult
init(collectionViewCommon: NCCollectionViewCommon, metadatas: [tableMetadata], searchResult: NCCSearchResult) {
self.collectionViewCommon = collectionViewCommon
self.metadatas = metadatas
self.searchResult = searchResult
}
func reloadDataThenPerform(_ closure: @escaping (() -> Void)) {
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
CATransaction.begin()
CATransaction.setCompletionBlock(closure)
self.collectionViewCommon.collectionView.reloadData()
CATransaction.commit()
}
}
override func start() {
if isCancelled {
self.finish()
} else {
self.collectionViewCommon.dataSource.addSection(metadatas: metadatas, searchResult: searchResult)
self.collectionViewCommon.searchResults?.append(self.searchResult)
reloadDataThenPerform {
self.finish()
}
}
}
}