public async Task <List <Line> > AddNewLines(List <Currency> currencies, List <Indicator> indicators)
{
// Start watch
var stopwatch = new Stopwatch();
stopwatch.Start();
// Get watchers willing to buy or sell
var watchers = await _mainDbContext.Watchers.Where(WatcherExpression.WatcherSet()).ToListAsync();
// Build new lines
var lines = LineBuilder.BuildLines(currencies, indicators, watchers);
// Set new lines
_mainDbContext.Lines.AddRange(lines);
// Save
await _mainDbContext.SaveChangesAsync();
// Stop watch
stopwatch.Stop();
// Log
_logger.LogInformation("{@Event}, {@Count}, {@ExecutionTime}", "NewLinesAdded", lines.Count, stopwatch.Elapsed.TotalSeconds);
// Return
return(lines);
}
