public async Task <MicroUrlStats> GetStatsAsync(string key)
{
var redirectable = await _redirectableStore.LoadAsync(key);
if (redirectable == null)
{
return(null);
}
var from = redirectable.Created;
var to = DateTime.UtcNow;
var allTimeStats = new StatCount
{
SeenVisitors = new HashSet <string>(),
UniqueVisitors = 0,
VisitApplies = x => true,
Visitors = 0
};
var dayStats = Enumerable.Range(0, LastXDays).Select(x => DateTime.UtcNow.Date.AddDays(-x))
.Select(x => new StatCount
{
SeenVisitors = new HashSet <string>(),
Visitors = 0,
UniqueVisitors = 0,
VisitApplies = item => item.Created.Date == x,
Date = x
})
.ToList();
var stats = new List <StatCount> {
allTimeStats
};
dayStats.ForEach(stats.Add);
await foreach (var item in _visitStore.GetVisitsOfRediretableBetween(key, from, to))
{
foreach (var stat in stats.Where(stat => stat.VisitApplies(item)))
{
stat.Visitors++;
if (!stat.SeenVisitors.Contains(item.Ip))
{
stat.UniqueVisitors++;
stat.SeenVisitors.Add(item.Ip);
}
}
}
return(new MicroUrlStats
{
Key = key,
TargetUrl = _redirectService.ComputeTargetUrl(redirectable),
AllTime = new HitStats
{
From = from,
To = to,
Visitors = allTimeStats.Visitors,
UniqueVisitors = allTimeStats.UniqueVisitors
},
Recents = dayStats
.Select(statsForDay =>
{
var dayEnd = statsForDay.Date.Value.AddDays(1);
return new HitStats
{
From = statsForDay.Date.Value,
To = dayEnd,
Visitors = statsForDay.Visitors,
UniqueVisitors = statsForDay.UniqueVisitors
};
}).ToList()
});
}
