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first try to realize a background fetch for selected server

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This commit is contained in:
Alexey Chechetkin
2015-07-09 23:59:11 +03:00
parent f389b01696
commit 37d658acc6
7 changed files with 194 additions and 7 deletions
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5
TransmissionRPCClient.xcodeproj/project.pbxproj
View File

@@ -491,6 +491,11 @@
2C5810D51B39A5E50069020D = {
CreatedOnToolsVersion = 6.3.2;
DevelopmentTeam = 72C28QMYS6;
SystemCapabilities = {
com.apple.BackgroundModes = {
enabled = 1;
};
};
};
2C5810E81B39A5E50069020D = {
CreatedOnToolsVersion = 6.3.2;

136
TransmissionRPCClient/AppDelegate.m
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@@ -19,6 +19,8 @@
@interface AppDelegate() <RPCConnectorDelegate>
@property(atomic) TRInfos* bgTRInfos;
@end
@implementation AppDelegate
@@ -30,6 +32,12 @@
RPCServerConfig *_selectedConfig;
NSString *_magnetURLString;
// flag showing - that we use background fetching
BOOL _isBackgroundFetching;
// background fetch complition handler
void (^_bgComplitionHandler)(UIBackgroundFetchResult);
}
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
@@ -62,6 +70,9 @@
}
self.window.rootViewController = rootController;
// set background fetch interval
_isBackgroundFetching = NO;
[application setMinimumBackgroundFetchInterval:20]; // 20 seconds fetching
// show main window
self.window.backgroundColor = [UIColor whiteColor];
@@ -155,12 +166,20 @@
- (void)connector:(RPCConnector *)cn complitedRequestName:(NSString *)requestName withError:(NSString *)errorMessage
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Can't add torrent"
message:[NSString stringWithFormat:@"%@", errorMessage]
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil, nil];
[alert show];
if( !_isBackgroundFetching )
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Can't add torrent"
message:[NSString stringWithFormat:@"%@", errorMessage]
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil, nil];
[alert show];
}
else
{
_bgComplitionHandler(UIBackgroundFetchResultFailed);
}
}
- (void)addTorrentToSelectedServer
@@ -182,4 +201,109 @@
[[RPCServerConfigDB sharedDB] saveDB];
}
- (void)gotAllTorrents:(TRInfos *)trInfos
{
if( _isBackgroundFetching )
{
// fetch is complite
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSArray *downIds = [defaults arrayForKey:USERDEFAULTS_BGFETCH_KEY_DOWNTORRENTIDS];
// update current downloading torrents ids
// in NSUserDefaults
NSArray *curDownIds = trInfos.downloadingTorrents;
if( curDownIds && curDownIds.count > 0 )
{
NSMutableArray *downIds = [NSMutableArray array];
for (TRInfo* t in downIds)
[downIds addObject:@(t.trId)];
[defaults setObject:downIds forKey:USERDEFAULTS_BGFETCH_KEY_DOWNTORRENTIDS];
[defaults synchronize];
}
else // there is no ids, remove key
{
[defaults removeObjectForKey:USERDEFAULTS_BGFETCH_KEY_DOWNTORRENTIDS];
[defaults synchronize];
}
if( !downIds )
{
// there is downIds - try to create new and return
_bgComplitionHandler(UIBackgroundFetchResultNoData);
}
else
{
// info string
NSMutableString *infoStr = [NSMutableString string];
// searching finished torrents
NSArray* seedTrs = trInfos.seedingTorrents;
for ( NSNumber* trId in downIds )
{
int torrentId = [trId intValue];
for( TRInfo* info in seedTrs )
{
if( torrentId == info.trId )
{
// we have found torrent that is finished
[infoStr appendString: [NSString stringWithFormat:@"Torrent: %@, has finished downloading\n", info.name] ];
}
}
} // end for searching
if( infoStr.length > 0 )
{
// we should show
// show local notification
UILocalNotification *notification = [[UILocalNotification alloc] init];
notification.fireDate = nil;
notification.alertTitle = @"Torrent(s) downloaded";
notification.alertBody = infoStr;
notification.soundName = UILocalNotificationDefaultSoundName;
[[UIApplication sharedApplication] presentLocalNotificationNow:notification];
_bgComplitionHandler(UIBackgroundFetchResultNewData);
}
else
{
_bgComplitionHandler(UIBackgroundFetchResultNoData);
}
}
}
}
- (void)application:(UIApplication *)application performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
{
// peform fetch in background
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSDictionary *plist = [defaults dictionaryForKey: USERDEFAULTS_BGFETCH_KEY_RPCCONFG];
if( plist )
{
NSLog(@"BackgroundFetch: - GETTING DATA .... ");
RPCServerConfig *config = [[RPCServerConfig alloc] initFromPList:plist];
// try to get update on this torrents
self.bgTRInfos = nil;
// set request timeout max to 5 seconds
config.requestTimeout = 5;
RPCConnector *connector = [[RPCConnector alloc] initWithConfig:config andDelegate:self];
_isBackgroundFetching = YES;
_bgComplitionHandler = completionHandler;
// try to get all torrents
[connector getAllTorrents];
}
else
{
NSLog(@"BackgroundFetch: - NO DATA FETCHED");
completionHandler( UIBackgroundFetchResultNoData );
}
}
@end

6
TransmissionRPCClient/Info.plist
View File

@@ -56,9 +56,13 @@
</dict>
</array>
<key>CFBundleVersion</key>
<string>027</string>
<string>031</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>UIBackgroundModes</key>
<array>
<string>fetch</string>
</array>
<key>UILaunchStoryboardName</key>
<string>LaunchScreen</string>
<key>UIRequiredDeviceCapabilities</key>

4
TransmissionRPCClient/RPCServerConfig.h
View File

@@ -15,6 +15,8 @@
@interface RPCServerConfig : NSObject <NSCoding>
- (instancetype)initFromPList:(NSDictionary*)plist;
@property(nonatomic) NSString *name; // common server name
@property(nonatomic) NSString *host; // ip address of domain name of server
@property(nonatomic) int port; // RPC port to connect to (default 8090)
@@ -26,4 +28,6 @@
@property(nonatomic) int requestTimeout; // request timeout to server in seconds
@property(nonatomic,readonly) NSString* urlString; // return short descriptions of class
@property(nonatomic,readonly) NSDictionary* plist; // return property list object
@end

36
TransmissionRPCClient/RPCServerConfig.m
View File

@@ -87,4 +87,40 @@ static NSString *CODER_REQUEST_TIMEOUT = @"reqtimeout";
[coder encodeBool:self.useSSL forKey:CODER_USE_SSL];
}
- (NSDictionary *)plist
{
NSDictionary *pList = @{
CODER_NAME : _name,
CODER_RPC_PATH : _rpcPath,
CODER_HOST : _host,
CODER_PORT : @(_port),
CODER_USE_SSL : @(_useSSL),
CODER_USER_NAME : _userName,
CODER_USER_PASSWORD : _userPassword,
CODER_REFRESH_TIMEOUT : @(_refreshTimeout),
CODER_REQUEST_TIMEOUT : @(_refreshTimeout)
};
return pList;
}
- (instancetype)initFromPList:(NSDictionary *)plist
{
self = [super init];
if( self )
{
_name = plist[CODER_NAME];
_rpcPath = plist[CODER_RPC_PATH];
_host = plist[CODER_HOST];
_port = [(NSNumber*)plist[CODER_PORT] intValue];
_useSSL = [(NSNumber*)plist[CODER_USE_SSL] boolValue];
_userName = plist[CODER_USER_NAME];
_userPassword = plist[CODER_USER_PASSWORD];
_refreshTimeout = [(NSNumber*)plist[CODER_REFRESH_TIMEOUT] intValue];
_requestTimeout = [(NSNumber*)plist[CODER_REQUEST_TIMEOUT] intValue];
}
return self;
}
@end

3
TransmissionRPCClient/ServerListController.h
View File

@@ -12,6 +12,9 @@
#define CONTROLLER_ID_SERVERLIST @"ServerListController"
#define SERVERLIST_CONTROLLER_TITLE @"Servers"
#define USERDEFAULTS_BGFETCH_KEY_RPCCONFG @"bgCurrentRPCConfig"
#define USERDEFAULTS_BGFETCH_KEY_DOWNTORRENTIDS @"bgDownloadingTorrentIds"
@interface ServerListController : CommonTableController
@end

11
TransmissionRPCClient/ServerListController.m
View File

@@ -69,6 +69,11 @@
[nc popToRootViewControllerAnimated:YES];
}
// remove keys for background fetching
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults removeObjectForKey:USERDEFAULTS_BGFETCH_KEY_RPCCONFG];
[defaults synchronize];
}
- (RPCServerConfigController *)rpcConfigController
@@ -163,6 +168,12 @@
RPCServerConfig *selectedConfig = [RPCServerConfigDB sharedDB].db[indexPath.row];
// register config for background fetchig
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:selectedConfig.plist forKey:USERDEFAULTS_BGFETCH_KEY_RPCCONFG];
[defaults synchronize];
// ---
_statusListController.config = selectedConfig ;
_statusListController.title = selectedConfig.name;