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/* RetroArch - A frontend for libretro.
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#import <CloudKit/CloudKit.h>
#include "../cloud_sync_driver.h"
#include "../../verbosity.h"
#define IC_RECORD_TYPE @"cloudsync"
static bool icloud_sync_begin(cloud_sync_complete_handler_t cb, void *user_data)
{
[CKContainer.defaultContainer accountStatusWithCompletionHandler:^(CKAccountStatus accountStatus, NSError * _Nullable error) {
BOOL success = (error == nil) && (accountStatus == CKAccountStatusAvailable);
cb(user_data, NULL, success, NULL);
}];
return true;
}
static bool icloud_sync_end(cloud_sync_complete_handler_t cb, void *user_data)
{
cb(user_data, NULL, true, NULL);
return true;
}
static CKRecord *icloud_remove_duplicates(NSArray<CKRecord *> *results)
{
if (!results || ![results count])
return nil;
if ([results count] == 1)
return results[0];
CKRecord *newest = nil;
for (CKRecord *rec in results)
{
CKRecord *toDelete = rec;
if (newest == nil || [newest.modificationDate compare:rec.modificationDate] == NSOrderedAscending)
{
toDelete = newest;
newest = rec;
}
if (toDelete)
{
[CKContainer.defaultContainer.privateCloudDatabase deleteRecordWithID:toDelete.recordID
completionHandler:^(CKRecordID * _Nullable recordID, NSError * _Nullable error) {
RARCH_DBG("[iCloud] delete callback for duplicate of %s %s\n", toDelete[@"path"], error == nil ? "succeeded" : "failed");
}];
}
}
return newest;
}
static void icloud_query_path(const char *path, void(^cb)(CKRecord * results, NSError * error))
{
NSPredicate *pred = [NSComparisonPredicate
predicateWithLeftExpression:[NSExpression expressionForKeyPath:@"path"]
rightExpression:[NSExpression expressionForConstantValue:[NSString stringWithUTF8String:path]]
modifier:NSDirectPredicateModifier
type:NSEqualToPredicateOperatorType
options:0];
CKQuery *query = [[CKQuery alloc] initWithRecordType:IC_RECORD_TYPE predicate:pred];
[CKContainer.defaultContainer.privateCloudDatabase performQuery:query
inZoneWithID:nil
completionHandler:^(NSArray<CKRecord *> * _Nullable results, NSError * _Nullable error) {
if (error || ![results count])
{
RARCH_DBG("[iCloud] could not find %s (%s)\n", path, error == nil ? "successfully" : "failure");
if (error)
RARCH_DBG("[iCloud] error: %s\n", [[error debugDescription] UTF8String]);
cb(nil, error);
}
else
{
RARCH_DBG("[iCloud] found %d results looking for %s\n", [results count], path);
cb(icloud_remove_duplicates(results), nil);
}
}];
}
static bool icloud_read(const char *p, const char *f, cloud_sync_complete_handler_t cb, void *user_data)
{
char *path = strdup(p);
char *file = strdup(f);
icloud_query_path(path, ^(CKRecord *result, NSError *error) {
if (result)
{
[CKContainer.defaultContainer.privateCloudDatabase fetchRecordWithID:result.recordID
completionHandler:^(CKRecord * _Nullable fetchedRecord, NSError * _Nullable error) {
if (error)
{
RARCH_DBG("[iCloud] failed to fetch record for %s\n", path);
cb(user_data, path, false, NULL);
}
else
{
CKAsset *asset = fetchedRecord[@"data"];
NSData *data = [NSFileManager.defaultManager contentsAtPath:asset.fileURL.path];
RARCH_DBG("[iCloud] successfully fetched %s, size %d\n", path, [data length]);
RFILE *rfile = filestream_open(file,
RETRO_VFS_FILE_ACCESS_READ_WRITE,
RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (rfile)
{
filestream_truncate(rfile, 0);
filestream_write(rfile, [data bytes], [data length]);
filestream_seek(rfile, 0, SEEK_SET);
}
cb(user_data, path, true, rfile);
}
free(path);
free(file);
}];
}
else
{
cb(user_data, path, error == nil, NULL);
free(path);
free(file);
}
});
return true;
}
static bool icloud_update(const char *p, RFILE *rfile, cloud_sync_complete_handler_t cb, void *user_data)
{
char *path = strdup(p);
icloud_query_path(path, ^(CKRecord *record, NSError *error) {
bool update = true;
if (error || !record)
{
record = [[CKRecord alloc] initWithRecordType:IC_RECORD_TYPE];
record[@"path"] = [NSString stringWithUTF8String:path];
update = false;
}
NSString *fileStr = [NSString stringWithUTF8String:filestream_get_path(rfile)];
NSURL *fileURL = [NSURL fileURLWithPath:fileStr];
record[@"data"] = [[CKAsset alloc] initWithFileURL:fileURL];
[CKContainer.defaultContainer.privateCloudDatabase saveRecord:record completionHandler:^(CKRecord * _Nullable newrecord, NSError * _Nullable error) {
RARCH_DBG("[iCloud] %s %s %s\n", error == nil ? "succeeded" : "failed", update ? "updating" : "creating", path);
if (error)
RARCH_DBG("[iCloud] error: %s\n", [[error debugDescription] UTF8String]);
cb(user_data, path, error == nil, rfile);
free(path);
}];
});
return true;
}
static bool icloud_delete(const char *p, cloud_sync_complete_handler_t cb, void *user_data)
{
NSString *path = [NSString stringWithUTF8String:p];
NSPredicate *pred = [NSComparisonPredicate
predicateWithLeftExpression:[NSExpression expressionForKeyPath:@"path"]
rightExpression:[NSExpression expressionForConstantValue:path]
modifier:NSDirectPredicateModifier
type:NSEqualToPredicateOperatorType
options:0];
CKQuery *query = [[CKQuery alloc] initWithRecordType:IC_RECORD_TYPE predicate:pred];
[CKContainer.defaultContainer.privateCloudDatabase performQuery:query
inZoneWithID:nil
completionHandler:^(NSArray<CKRecord *> * _Nullable results, NSError * _Nullable error) {
RARCH_DBG("[iCloud] deleting %d records for %s\n", [results count], [path UTF8String]);
for (CKRecord *record in results)
{
[CKContainer.defaultContainer.privateCloudDatabase deleteRecordWithID:record.recordID
completionHandler:^(CKRecordID * _Nullable recordID, NSError * _Nullable error) {
RARCH_DBG("[iCloud] delete callback for %s %s\n", [path UTF8String], error == nil ? "succeeded" : "failed");
if (error)
RARCH_DBG("[iCloud] error: %s\n", [[error debugDescription] UTF8String]);
}];
}
cb(user_data, [path UTF8String], error == nil, NULL);
}];
return true;
}
cloud_sync_driver_t cloud_sync_icloud = {
icloud_sync_begin,
icloud_sync_end,
icloud_read,
icloud_update,
icloud_delete,
"icloud" /* ident */
};
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