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//
// NCFiles.swift
// Nextcloud
//
// Created by Marino Faggiana on 26/09/2020.
// 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 NCCommunication
class NCFiles: NCCollectionViewCommon {
internal var isRoot: Bool = true
internal var fileNameBlink: String?
// MARK: - View Life Cycle
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
titleCurrentFolder = NCBrandOptions.shared.brand
layoutKey = NCGlobal.shared.layoutViewFiles
enableSearchBar = true
headerMenuButtonsCommand = true
headerMenuButtonsView = true
headerRichWorkspaceDisable = false
emptyImage = UIImage(named: "folder")?.image(color: NCBrandColor.shared.brandElement, size: UIScreen.main.bounds.width)
emptyTitle = "_files_no_files_"
emptyDescription = "_no_file_pull_down_"
}
override func viewWillAppear(_ animated: Bool) {
if isRoot {
serverUrl = NCUtilityFileSystem.shared.getHomeServer(account: appDelegate.account)
titleCurrentFolder = getNavigationTitle()
}
super.viewWillAppear(animated)
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
fileNameBlink = nil
}
// MARK: - NotificationCenter
override func initialize(_ notification: NSNotification) {
if isRoot {
serverUrl = NCUtilityFileSystem.shared.getHomeServer(account: appDelegate.account)
titleCurrentFolder = getNavigationTitle()
}
super.initialize(notification)
if let userInfo = notification.userInfo as NSDictionary?, userInfo["atStart"] as? Int == 1 {
return
}
reloadDataSource(forced: false)
reloadDataSourceNetwork()
}
// MARK: - DataSource + NC Endpoint
//
// forced: do no make the etag of directory test (default)
//
override func reloadDataSource(forced: Bool = true) {
super.reloadDataSource()
DispatchQueue.main.async { self.refreshControl.endRefreshing() }
DispatchQueue.global().async {
guard !self.appDelegate.isSearchingMode, !self.appDelegate.account.isEmpty, !self.appDelegate.urlBase.isEmpty, !self.serverUrl.isEmpty else { return }
let metadatas = NCManageDatabase.shared.getMetadatas(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@", self.appDelegate.account, self.serverUrl))
if self.metadataFolder == nil {
self.metadataFolder = NCManageDatabase.shared.getMetadataFolder(account: self.appDelegate.account, urlBase: self.appDelegate.urlBase, serverUrl: self.serverUrl)
}
let directory = NCManageDatabase.shared.getTableDirectory(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@", self.appDelegate.account, self.serverUrl))
let metadataTransfer = NCManageDatabase.shared.getMetadata(predicate: NSPredicate(format: "status != %i AND serverUrl == %@", NCGlobal.shared.metadataStatusNormal, self.serverUrl))
self.richWorkspaceText = directory?.richWorkspace
// FORCED false: test the directory.etag
if !forced, let directory = directory, directory.etag == self.dataSource.directory?.etag, metadataTransfer == nil, self.fileNameBlink == nil {
return
}
self.dataSource = NCDataSource(
metadatas: metadatas,
account: self.appDelegate.account,
directory: directory,
sort: self.layoutForView?.sort,
ascending: self.layoutForView?.ascending,
directoryOnTop: self.layoutForView?.directoryOnTop,
favoriteOnTop: true,
filterLivePhoto: true,
groupByField: self.groupByField,
providers: self.providers,
searchResults: self.searchResults)
DispatchQueue.main.async {
self.collectionView.reloadData()
if !self.dataSource.metadatas.isEmpty {
self.blinkCell(fileName: self.fileNameBlink)
self.fileNameBlink = nil
}
}
}
}
override func reloadDataSourceNetwork(forced: Bool = false) {
super.reloadDataSourceNetwork(forced: forced)
guard !appDelegate.isSearchingMode else {
networkSearch()
return
}
isReloadDataSourceNetworkInProgress = true
collectionView?.reloadData()
networkReadFolder(forced: forced) { tableDirectory, metadatas, metadatasUpdate, metadatasDelete, errorCode, _ in
if errorCode == 0 {
for metadata in metadatas ?? [] {
if !metadata.directory, NCManageDatabase.shared.isDownloadMetadata(metadata, download: false) {
NCOperationQueue.shared.download(metadata: metadata, selector: NCGlobal.shared.selectorDownloadFile)
}
}
}
self.isReloadDataSourceNetworkInProgress = false
self.richWorkspaceText = tableDirectory?.richWorkspace
if metadatasUpdate?.count ?? 0 > 0 || metadatasDelete?.count ?? 0 > 0 || forced {
self.reloadDataSource()
} else if self.dataSource.getMetadataSourceForAllSections().isEmpty {
DispatchQueue.main.async {
self.collectionView.reloadData()
}
}
}
}
func blinkCell(fileName: String?) {
if let fileName = fileName, let metadata = NCManageDatabase.shared.getMetadata(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@ AND fileName == %@", self.appDelegate.account, self.serverUrl, fileName)) {
let (indexPath, _) = self.dataSource.getIndexPathMetadata(ocId: metadata.ocId)
if let indexPath = indexPath {
DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
UIView.animate(withDuration: 0.3) {
self.collectionView.scrollToItem(at: indexPath, at: .centeredVertically, animated: false)
} completion: { _ in
if let cell = self.collectionView.cellForItem(at: indexPath) {
cell.backgroundColor = .darkGray
UIView.animate(withDuration: 2) {
cell.backgroundColor = .clear
}
}
}
}
}
}
}
}
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