public async Task <IHttpActionResult> Actigraphy()
{
// https://stackify.com/understanding-asp-net-performance-for-reading-incoming-data/
string data = await Request.Content.ReadAsStringAsync();
var viewModels = Newtonsoft.Json.JsonConvert.DeserializeObject <IEnumerable <ActivityViewModel> >(data);
if (viewModels == null || !viewModels.Any())
{
return(BadRequest("Something went wrong. Empty request."));
}
string userId = User.Identity.GetUserId();
try
{
BulkCommands.StoreActivities(
viewModels.Select(m =>
{
m.UserId = userId;
return(m);
})
.ToList());
}
catch (Exception e)
{
_service.WriteBugReport(userId, e.Message);
}
return(Ok());
}
public ActionResult Actigraphy(ResearchAccelerometerViewModel model)
{
if (!ModelState.IsValid)
{
ViewBag.Users = _service.GetUserNames().OrderBy(s => s);
return(View("Index"));
}
ModelState.Clear();
if (model._From > model._To)
{
ModelState.AddModelError("_From", @"The first date must be less than second");
ModelState.AddModelError("To", @"The first date must be less than second");
ViewBag.Users = _service.GetUserNames().OrderBy(s => s);
return(View());
}
string fileName, report;
string exportedUserId = _service.GetUserId(model._UserName);
var activities = BulkCommands.GetActivities(exportedUserId, model._From, model._To);
List <ActivityPerMinute> activityPerMinute = null;
switch (model._ActivityOptions)
{
case AcceptableActivityOptions.Export:
model._ExportOptions = AcceptableExportOptions.Text;
fileName = "Report";
report = ReportHelper.GetAccelerometerData(activities);
break;
case AcceptableActivityOptions.StandardDeviation:
model._ExportOptions = AcceptableExportOptions.Text;
fileName = "StdDev";
double devX = StandardDeviation.CalculateStdDev(activities.Select(m => (double)m.X).ToList());
double devY = StandardDeviation.CalculateStdDev(activities.Select(m => (double)m.Y).ToList());
double devZ = StandardDeviation.CalculateStdDev(activities.Select(m => (double)m.Z).ToList());
report = ReportHelper.ExportStdDev(devX, devY, devZ);
break;
case AcceptableActivityOptions.EnergyExpenditure:
case AcceptableActivityOptions.ZeroCrossing:
activityPerMinute = CalculateActivity.BeginAnalyzation(model._ActivityOptions, activities);
report = ReportHelper.ExportProcessedData(activityPerMinute);
fileName = string.Concat("Processed-", model._ActivityOptions);
break;
default:
throw new ArgumentOutOfRangeException();
}
activities.Clear();
GC.Collect();
switch (model._ExportOptions)
{
case AcceptableExportOptions.Chart:
var chart = ReportHelper.CreateChart(activityPerMinute);
// ReSharper disable once PossibleNullReferenceException
activityPerMinute.Clear();
GC.Collect();
return(File(chart.GetBytes(), "jpeg",
string.Concat(fileName, "-accelerometer - ", model._UserName, " - ", DateTime.Now, ".jpeg")));
case AcceptableExportOptions.Text:
return(File(Encoding.UTF8.GetBytes(report), "text/plain",
string.Concat(fileName, "-accelerometer - ", model._UserName, " - ", DateTime.Now, ".txt")));
default:
throw new ArgumentOutOfRangeException();
}
}
