#pragma mark - UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return _historyArray.count;
    
}



- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"HistoryCell" forIndexPath:indexPath];
  ////


////
    
    return [_historyModel configCell:cell withItem:_historyArray[indexPath.row]];
}

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
    return YES;
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        
        if ([_historyModel deleteHistory:_historyArray[indexPath.row]]) {
            
            [tableView beginUpdates];
            [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
            [_historyArray removeObjectAtIndex:indexPath.row];
            [tableView endUpdates];
        }
        else {
            NSLog(@"Failed to delete history in database.");
        }
    }
}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    UIViewController *toController = segue.destinationViewController;
    if ([toController isKindOfClass:[CRHistoryDetailViewController class]]) {
        [(CRHistoryDetailViewController *)toController setFather:self];
    }
}