public async Task <ActionResult <UserWeeksDto> > GetWeeks(int ownerId)
{
var weeks = await _repo.QueryWeeksOf(ownerId)
.OrderBy(week => week.WeekNumber)
.Select(
week => new UserWeekDto()
{
Id = week.Id,
OwnerId = week.OwnerId,
WeekNumber = week.WeekNumber,
From = week.From,
To = week.To
})
.ToListAsync();
return(Ok(new UserWeeksDto {
Weeks = weeks
}));
}
public async Task <Result <ChartWeek> > GetLiveWeekFor(
User user,
DateTime currentTime,
CancellationToken?cancellationToken = null)
{
var timezone = TZConvert.GetTimeZoneInfo(user.IanaTimezone ?? "");
if (timezone == null)
{
throw new InvalidOperationException();
}
var lastUserWeek = await _repo.QueryWeeksOf(user.Id)
.OrderByDescending(week => week.WeekNumber)
.FirstOrDefaultAsync();
var fromDate = lastUserWeek?.To.AddSeconds(1) ?? user.RegisteredAt;
var liveWeek = _chartDateService
.GetChartWeeksInDateRange(lastUserWeek?.WeekNumber + 1 ?? 1,
fromDate, currentTime, timezone, true)
.LastOrDefault();
var fromUnix = ToUnixTimeSeconds(liveWeek.From);
var toUnix = ToUnixTimeSeconds(liveWeek.To);
var artistChart =
_lastFm.GetWeeklyArtistChart(user.UserName, fromUnix, toUnix, cancellationToken);
var albumChart =
_lastFm.GetWeeklyAlbumChart(user.UserName, fromUnix, toUnix, cancellationToken);
var trackChart =
_lastFm.GetWeeklyTrackChart(user.UserName, fromUnix, toUnix, cancellationToken);
// Allows for parallel running since Tasks are started at call, not at await
await artistChart;
await albumChart;
await trackChart;
var mergedResult =
Results.Merge(artistChart.Result, albumChart.Result, trackChart.Result);
if (mergedResult.IsFailed)
{
return(mergedResult);
}
liveWeek.Owner = user;
liveWeek.ChartEntries = CreateEntriesForLastFmCharts(trackChart.Result.Value,
albumChart.Result.Value,
artistChart.Result.Value, liveWeek);
var existingWeeks = await _repo.QueryWeeksWithRelationsOf(user.Id)
.ToListAsync();
cancellationToken?.ThrowIfCancellationRequested();
var entryId = 1;
Parallel.ForEach(liveWeek.ChartEntries, entry =>
{
var(stat, statText) = GetStatsForChartEntry(entry, existingWeeks);
entry.Id = entryId++;
entry.Stat = stat;
entry.StatText = statText;
});
return(Results.Ok(liveWeek));
}