gistify397737.rb

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
...
...

    // When the gain changes
                    RACSignal *gainChangeSignal = [RACObserve(self, device.gain) deliverOn:[RACScheduler mainThreadScheduler]];
//                    cell.auxiliaryLabel.text = @"                   ";
                    RAC(cell.auxiliaryLabel, text) = [gainChangeSignal map:^id(id value) {
                        // Get the gain lookup table
                        NSString *rootPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
                                                                                  NSUserDomainMask, YES) objectAtIndex:0];
                        NSString *plistPath = [rootPath stringByAppendingPathComponent:@"EQ_Presets.plist"];
                        if (![[NSFileManager defaultManager] fileExistsAtPath:plistPath]) {
                            plistPath = [[NSBundle mainBundle] pathForResource:@"EQ_Presets" ofType:@"plist"];
                        }
                        NSArray *lookupTable = [NSArray arrayWithContentsOfFile:plistPath];
                        lookupTable = [lookupTable subarrayWithRange:NSMakeRange(1, lookupTable.count - 2)];
                        NSArray *roundedGain = [value map:^id(id obj) {
                            NSNumber *res = @(round([obj floatValue] * 10) / 10);
                            return res;
                        }];
                        
                        __block NSDictionary *matchingDictionary = nil;
                        [lookupTable enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
                            NSDictionary *gainMap = obj;
                            NSArray *gainArray = @[gainMap[@"d0"], gainMap[@"d1"], gainMap[@"d2"], gainMap[@"d3"], gainMap[@"d4"], gainMap[@"d5"], gainMap[@"d6"], gainMap[@"d7"], gainMap[@"d8"], gainMap[@"d9"]];
                            if([roundedGain isEqual:gainArray]) {
                                matchingDictionary = obj;
                                stop = YES;
                            }
                        }];
                        NSLog(@"matching array %@", matchingDictionary);
                        return matchingDictionary[@"name"];
                    }];