//
// CCSynchronize.m
// Nextcloud
//
// Created by Marino Faggiana on 19/10/16.
// Copyright (c) 2017 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 "CCSynchronize.h"
#import "AppDelegate.h"
#import "CCMain.h"
#import "NCBridgeSwift.h"
@interface CCSynchronize ()
{
}
@end
@implementation CCSynchronize
+ (CCSynchronize *)sharedSynchronize {
static CCSynchronize *sharedSynchronize;
@synchronized(self)
{
if (!sharedSynchronize) {
sharedSynchronize = [CCSynchronize new];
sharedSynchronize.foldersInSynchronized = [NSMutableOrderedSet new];
sharedSynchronize->_operationSynchronizeQueue = [NSOperationQueue new];
sharedSynchronize->_operationSynchronizeQueue.name = @"com.nextcloud.operationSynchronizeQueue";
sharedSynchronize->_operationSynchronizeQueue.maxConcurrentOperationCount = 1;
}
return sharedSynchronize;
}
}
#pragma --------------------------------------------------------------------------------------------
#pragma mark ===== Read Folder =====
#pragma --------------------------------------------------------------------------------------------
// serverUrl : start
// selector : selectorReadFolder, selectorReadFolderWithDownload
//
- (void)readFolder:(NSString *)serverUrl selector:(NSString *)selector account:(NSString *)account
{
id operation = [[CCOperationSynchronize alloc] initWithDelegate:self serverUrl:serverUrl selector:selector account:account];
[self.operationSynchronizeQueue addOperation:operation];
}
- (void)readFolderSuccessFailureWithAccount:(NSString *)account serverUrl:(NSString *)serverUrl metadataFolder:(tableMetadata *)metadataFolder metadatas:(NSArray *)metadatas selector:(NSString *)selector message:(NSString *)message errorCode:(NSInteger)errorCode
{
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
// ERROR
if (errorCode != 0 || ![account isEqualToString:appDelegate.activeAccount]) {
// Folder not present, remove it
if (errorCode == kOCErrorServerPathNotFound) {
[[NCManageDatabase sharedInstance] deleteDirectoryAndSubDirectoryWithServerUrl:serverUrl account:account];
[[NCMainCommon sharedInstance] reloadDatasourceWithServerUrl:serverUrl ocId:nil action:k_action_NULL];
}
return;
}
// Add/update self Folder
if (!metadataFolder || !metadatas || [metadatas count] == 0) {
if (metadataFolder.serverUrl != nil) {
[[NCMainCommon sharedInstance] reloadDatasourceWithServerUrl:metadataFolder.serverUrl ocId:nil action:k_action_NULL];
}
return;
}
// Add metadata and update etag Directory
[[NCManageDatabase sharedInstance] addMetadata:metadataFolder];
[[NCManageDatabase sharedInstance] setDirectoryWithServerUrl:serverUrl serverUrlTo:nil etag:metadataFolder.etag ocId:metadataFolder.ocId fileId:metadataFolder.fileId encrypted:metadataFolder.e2eEncrypted richWorkspace:nil account:appDelegate.activeAccount];
// reload folder ../ *
[[NCMainCommon sharedInstance] reloadDatasourceWithServerUrl:metadataFolder.serverUrl ocId:nil action:k_action_NULL];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
NSMutableArray *metadatasForVerifyChange = [NSMutableArray new];
NSMutableArray *addMetadatas = [NSMutableArray new];
NSArray *recordsInSessions = [[NCManageDatabase sharedInstance] getMetadatasWithPredicate:[NSPredicate predicateWithFormat:@"account == %@ AND serverUrl == %@ AND session != ''", account, serverUrl] sorted:nil ascending:NO];
// ----- Test : (DELETE) -----
NSMutableArray *metadatasNotPresents = [NSMutableArray new];
NSArray *tableMetadatas = [[NCManageDatabase sharedInstance] getMetadatasWithPredicate:[NSPredicate predicateWithFormat:@"account == %@ AND serverUrl == %@ AND session == ''", account, serverUrl] sorted:nil ascending:NO];
for (tableMetadata *record in tableMetadatas) {
BOOL ocIdFound = NO;
for (tableMetadata *metadata in metadatas) {
if ([record.ocId isEqualToString:metadata.ocId]) {
ocIdFound = YES;
break;
}
}
if (!ocIdFound)
[metadatasNotPresents addObject:record];
}
// delete metadata not present
for (tableMetadata *metadata in metadatasNotPresents) {
[[NSFileManager defaultManager] removeItemAtPath:[CCUtility getDirectoryProviderStorageOcId:metadata.ocId] error:nil];
if (metadata.directory && serverUrl) {
NSString *dirForDelete = [CCUtility stringAppendServerUrl:serverUrl addFileName:metadata.fileName];
[[NCManageDatabase sharedInstance] deleteDirectoryAndSubDirectoryWithServerUrl:dirForDelete account:account];
}
[[NCManageDatabase sharedInstance] deleteMetadataWithPredicate:[NSPredicate predicateWithFormat:@"ocId == %@", metadata.ocId]];
[[NCManageDatabase sharedInstance] deleteLocalFileWithPredicate:[NSPredicate predicateWithFormat:@"ocId == %@", metadata.ocId]];
}
dispatch_async(dispatch_get_main_queue(), ^{
if ([metadatasNotPresents count] > 0)
[[NCMainCommon sharedInstance] reloadDatasourceWithServerUrl:serverUrl ocId:nil action:k_action_NULL];
});
// ----- Test : (MODIFY) -----
for (tableMetadata *metadata in metadatas) {
// RECURSIVE DIRECTORY MODE
if (metadata.directory) {
// Verify if do not exists this Metadata
tableMetadata *result = [[NCManageDatabase sharedInstance] getMetadataWithPredicate:[NSPredicate predicateWithFormat:@"ocId == %@", metadata.ocId]];
if (!result)
[[NCManageDatabase sharedInstance] addMetadata:metadata];
[self readFolder:[CCUtility stringAppendServerUrl:serverUrl addFileName:metadata.fileName] selector:selector account:account];
} else {
if ([selector isEqualToString:selectorReadFolderWithDownload]) {
// It's in session
BOOL recordInSession = NO;
for (tableMetadata *record in recordsInSessions) {
if ([record.ocId isEqualToString:metadata.ocId]) {
recordInSession = YES;
break;
}
}
if (recordInSession)
continue;
// Ohhhh INSERT
[metadatasForVerifyChange addObject:metadata];
}
if ([selector isEqualToString:selectorReadFolder]) {
// Verify if do not exists this Metadata
tableMetadata *result = [[NCManageDatabase sharedInstance] getMetadataWithPredicate:[NSPredicate predicateWithFormat:@"ocId == %@", metadata.ocId]];
if (!result)
[addMetadatas addObject:metadata];
}
}
}
if ([addMetadatas count] > 0)
[[NCManageDatabase sharedInstance] addMetadatas:addMetadatas];
if ([metadatasForVerifyChange count] > 0)
[self verifyChangeMedatas:metadatasForVerifyChange serverUrl:serverUrl account:account withDownload:YES];
});
}
#pragma --------------------------------------------------------------------------------------------
#pragma mark ===== Read File for Folder & Read File=====
#pragma --------------------------------------------------------------------------------------------
- (void)readFile:(NSString *)ocId fileName:(NSString *)fileName serverUrl:(NSString *)serverUrl selector:(NSString *)selector account:(NSString *)account
{
NSString *serverUrlFileName = [NSString stringWithFormat:@"%@/%@", serverUrl, fileName];
[[NCNetworking sharedInstance] readFileWithServerUrlFileName:serverUrlFileName account:account completion:^(NSString *account, tableMetadata *metadata, NSInteger errorCode, NSString *errorDescription) {
if (errorCode == 0 && [account isEqualToString:account]) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
BOOL withDownload = NO;
if ([selector isEqualToString:selectorReadFileWithDownload])
withDownload = YES;
//Add/Update Metadata
tableMetadata *addMetadata = [[NCManageDatabase sharedInstance] addMetadata:metadata];
if (addMetadata)
[self verifyChangeMedatas:[[NSArray alloc] initWithObjects:addMetadata, nil] serverUrl:serverUrl account:account withDownload:withDownload];
});
} else if (errorCode == kOCErrorServerPathNotFound) {
[[NCManageDatabase sharedInstance] deleteMetadataWithPredicate:[NSPredicate predicateWithFormat:@"ocId == %@", ocId]];
[[NCManageDatabase sharedInstance] deleteLocalFileWithPredicate:[NSPredicate predicateWithFormat:@"ocId == %@", ocId]];
[[NCMainCommon sharedInstance] reloadDatasourceWithServerUrl:serverUrl ocId:nil action:k_action_NULL];
}
}];
}
#pragma --------------------------------------------------------------------------------------------
#pragma mark ===== Verify Metadatas =====
#pragma --------------------------------------------------------------------------------------------
// MULTI THREAD
- (void)verifyChangeMedatas:(NSArray *)allRecordMetadatas serverUrl:(NSString *)serverUrl account:(NSString *)account withDownload:(BOOL)withDownload
{
NSMutableArray *metadatas = [[NSMutableArray alloc] init];
for (tableMetadata *metadata in allRecordMetadatas) {
BOOL changeRev = NO;
// change account
if ([metadata.account isEqualToString:account] == NO)
return;
// no dir
if (metadata.directory)
continue;
tableLocalFile *localFile = [[NCManageDatabase sharedInstance] getTableLocalFileWithPredicate:[NSPredicate predicateWithFormat:@"ocId == %@", metadata.ocId]];
if (withDownload) {
if (![localFile.etag isEqualToString:metadata.etag] || ![CCUtility fileProviderStorageExists:metadata.ocId fileNameView:metadata.fileNameView])
changeRev = YES;
} else {
if (localFile && ![localFile.etag isEqualToString:metadata.etag]) // it must be in TableRecord
changeRev = YES;
}
if (changeRev) {
// remove & re-create
[[NSFileManager defaultManager] removeItemAtPath:[CCUtility getDirectoryProviderStorageOcId:metadata.ocId] error:nil];
[CCUtility getDirectoryProviderStorageOcId:metadata.ocId fileNameView:metadata.fileNameView];
[metadatas addObject:metadata];
}
}
if ([metadatas count])
[self SynchronizeMetadatas:metadatas withDownload:withDownload];
}
// MULTI THREAD
- (void)SynchronizeMetadatas:(NSArray *)metadatas withDownload:(BOOL)withDownload
{
NSString *oldServerUrl;
NSMutableArray *metadataToAdd = [NSMutableArray new];
NSMutableArray *serverUrlToReload = [NSMutableArray new];
for (tableMetadata *metadata in metadatas) {
// Clear date for dorce refresh view
if (![oldServerUrl isEqualToString:metadata.serverUrl]) {
oldServerUrl = metadata.serverUrl;
[serverUrlToReload addObject:metadata.serverUrl];
[[NCManageDatabase sharedInstance] clearDateReadWithServerUrl:metadata.serverUrl account:metadata.account];
}
metadata.session = k_download_session;
metadata.sessionError = @"";
metadata.sessionSelector = selectorDownloadSynchronize;
metadata.status = k_metadataStatusWaitDownload;
[metadataToAdd addObject:metadata];
}
[[NCManageDatabase sharedInstance] addMetadatas:metadataToAdd];
for (NSString *serverUrl in serverUrlToReload) {
[[NCMainCommon sharedInstance] reloadDatasourceWithServerUrl:serverUrl ocId:nil action:k_action_NULL];
}
}
@end
@implementation CCOperationSynchronize
- (id)initWithDelegate:(id)delegate serverUrl:(NSString *)serverUrl selector:(NSString *)selector account:(NSString *)account
{
self = [super init];
if (self) {
self.delegate = delegate;
self.serverUrl = serverUrl;
self.selector = selector;
self.account = account;
}
return self;
}
- (void)start
{
if (![NSThread isMainThread]) {
[self performSelectorOnMainThread:@selector(start) withObject:nil waitUntilDone:NO];
return;
}
[self willChangeValueForKey:@"isExecuting"];
_isExecuting = YES;
[self didChangeValueForKey:@"isExecuting"];
if (self.isCancelled) {
[self finish];
} else {
[self poolNetworking];
}
}
- (void)finish
{
[self willChangeValueForKey:@"isExecuting"];
[self willChangeValueForKey:@"isFinished"];
_isExecuting = NO;
_isFinished = YES;
[self didChangeValueForKey:@"isExecuting"];
[self didChangeValueForKey:@"isFinished"];
}
- (void)cancel
{
if (_isExecuting) {
[self complete];
}
[super cancel];
}
- (void)poolNetworking
{
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
[[NCCommunication sharedInstance] readFileOrFolderWithServerUrlFileName:self.serverUrl depth:@"1" showHiddenFiles:[CCUtility getShowHiddenFiles] customUserAgent:nil addCustomHeaders:nil account:self.account completionHandler:^(NSString *account, NSArray *files, NSInteger errorCode, NSString *errorDescription) {
[[NCManageDatabase sharedInstance] convertNCFilesToMetadatas:files useMetadataFolder:true account:account completion:^(tableMetadata *metadataFolder, NSArray<tableMetadata *> *metadatasFolder, NSArray<tableMetadata *> *metadatas) {
if ([self.delegate respondsToSelector:@selector(readFolderSuccessFailureWithAccount:serverUrl:metadataFolder:metadatas:selector:message:errorCode:)])
[self.delegate readFolderSuccessFailureWithAccount:self.account serverUrl:self.serverUrl metadataFolder:metadataFolder metadatas:metadatas selector:self.selector message:errorDescription errorCode:errorCode];
[self complete];
}];
}];
}
- (void)complete
{
[self finish];
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
}
@end