iOS Operations

gistfile1.txt

 [manager enqueueBatchOfObjectRequestOperations:requests
                                              progress:^(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations) {
                                                  NSLog(@"%lu/%lu", (unsigned long) numberOfFinishedOperations, (unsigned long) totalNumberOfOperations);
                                              } completion:^(NSArray *operations) {
                                                  
                                                  UIApplication *application = [UIApplication sharedApplication];
                                                  self.task = [application beginBackgroundTaskWithExpirationHandler:^{
                                                      NSLog(@"Took too long!");
                                                      
                                                      [self.syncOperationQueue cancelAllOperations];
                                                      [application endBackgroundTask:self.task];
                                                      self.task = UIBackgroundTaskInvalid;
                                                  }];
                                                  
                                                  if (self.syncOperationQueue && [self.SYNC_ID isEqualToString:[self.syncOperationQueue name]]) {
                                                      [self.syncOperationQueue cancelAllOperations];
                                                  }
                                                  
                                                  self.syncOperationQueue = [[NSOperationQueue alloc] init];
                                                  self.SYNC_ID = [[NSUUID UUID] UUIDString];
                                                  [self.syncOperationQueue setName:self.SYNC_ID];
                                                [[self syncOperationQueue] waitUntilAllOperationsAreFinished];
                                                  
                                                  
                                                  [self.syncOperationQueue addOperationWithBlock:^{
                                                      //Manage Users
                                                      NSArray *usersFromServer = [[[operations objectAtIndex:1] mappingResult] array];
                                                      [self syncLocalUserCacheWithServer:usersFromServer];

                                                  }];
                                                  
                                                  [self.syncOperationQueue addOperationWithBlock:^{
                                                      NSArray *statusesFromServer = [[[operations objectAtIndex:5] mappingResult] array];
                                                      [self syncLocalStatusCacheWithServer:statusesFromServer];
                                                  }];
                                                  
                                                  #ifdef kVisitorApp
                                                  [self.syncOperationQueue addOperationWithBlock:^{
                                                      //Manage Groups
                                                      NSArray *groupsFromServer = [[[operations objectAtIndex:6] mappingResult] array];
                                                      [self syncGroupsCacheWithServer:groupsFromServer];
                                                  }];
                                                  #endif

                                                  
                                                  NSLog(@"Finished");
                                                  
                                                  if (onCompletion) {
                                                      onCompletion(operations);
                                                  }
                                                  
                                                  [application endBackgroundTask:self.task];
                                                  self.task = UIBackgroundTaskInvalid;
                                              }];