snippet15.txt

 

 - (GO*) getAllMediaContent:(ProgressCancellation)progressCancellation
 {
 
     __block GroupOperation* group =  [GroupOperation groupProgressDescription:nil
                                                                 progressCount:nil
                                                          progressCancellation:nil
                                                               executableBlock:^(GO * _Nonnull mainGroupOp){
 
        void (^universalProgressCancellation)(GO*) = ^(GO* groupOperation){
            //⚠️ Keeps track of the "upper" operation, if it was canceled, then cancels itself
            if (mainGroupOp.state == RXNO_Cancelled){ [groupOperation cancel]; }
        };
        
        GO* musicOperation = [weak getAllMusicProgressCancellation:universalProgressCancellation];
        ...
 
        GO* videoOperation = [weak getAllVideoProgressCancellation:universalProgressCancellation];
        ....
     }];
    ... 
    return go;
 }