private IEnumerable<TimeFrameParam> InitialFrames()
{
var latestDate = HistoryService.LatestMessageDate(_clientId, _withEntity);
if (!latestDate.HasValue)
{
yield break;
}
var today = DateTime.Today;
var testFrames = new List<TimeFrameParam>
{
new TimeFrameParam
{
DisplayingValue = "Yesterday",
Span = today.AddDays(-1),
},
new TimeFrameParam
{
DisplayingValue = "7 days",
Span = today.AddDays(-7)
},
new TimeFrameParam
{
DisplayingValue = "30 days",
Span = today.AddDays(-30)
},
new TimeFrameParam
{
DisplayingValue = "3 months",
Span = today.AddDays(-93)
},
new TimeFrameParam
{
DisplayingValue = "6 months",
Span = today.AddDays(-186)
},
new TimeFrameParam
{
DisplayingValue = "1 year",
Span = today.AddDays(-365)
},
new TimeFrameParam
{
DisplayingValue = "From Beginning",
Span = DateTime.MinValue
},
};
foreach (var timeFrameParam in testFrames)
{
yield return timeFrameParam;
if (timeFrameParam.Span < latestDate.Value)
{
yield break;
}
}
}