private Dictionary <DateTime, long> GetTimelineStats([NotNull] CSRedisClient redis, [NotNull] string type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
var endDate = DateTime.UtcNow.Date;
var startDate = endDate.AddDays(-7);
var dates = new List <DateTime>();
while (startDate <= endDate)
{
dates.Add(endDate);
endDate = endDate.AddDays(-1);
}
var keys = dates.Select(x => _storage.GetRedisKey($"stats:{type}:{x:yyyy-MM-dd}")).ToArray();
var valuesMap = redis.GetValuesMap(keys);
var result = new Dictionary <DateTime, long>();
for (var i = 0; i < dates.Count; i++)
{
long value;
if (!long.TryParse(valuesMap[valuesMap.Keys.ElementAt(i)], out value))
{
value = 0;
}
result.Add(dates[i], value);
}
return(result);
}