public override void ProcessData(ZigBeeCoordinatorContext ctx, ZigBeeDevice device, byte[] data)
{
int? userId = data[0];
float weight = BitConverter.ToInt16(data, 1) / 10.0f;
// user not specified
if (userId == 0)
{
userId = FindUserBasedOnHistory(ctx, weight);
}
if (userId == null)
{
_log.Error("Could not find user based on weight '" + weight + "'");
return;
}
_log.Info("Weight received for user [" + userId + "]: " + weight);
WirelessScaleData wirelessScaleData = new WirelessScaleData
{
UserId = userId.Value,
Value = weight,
ZigBeeDevice = device,
ReceivedDateTime = DateTime.Now
};
ctx.DbCtx.WirelessScaleDatas.AddObject(wirelessScaleData);
ctx.DbCtx.SaveChanges();
}
public ActionResult ManualInput(DateTime date, string time, double weight)
{
int?userId = CoordinatorUser.Finder.GetCurrentUserId();
if (userId == null)
{
throw new Exception("You must be logged in");
}
using (ZigBeeCoordinatorContext ctx = new ZigBeeCoordinatorContext())
{
DateTime t = DateTime.Parse(date.ToString("d") + " " + time);
WirelessScaleData data = new WirelessScaleData
{
UserId = userId.Value,
ReceivedDateTime = t,
Value = weight,
ZigBeeDevice = null
};
ctx.DbCtx.WirelessScaleDatas.AddObject(data);
ctx.DbCtx.SaveChanges();
}
return(RedirectToAction("Index", new { userId = userId }));
}
private int?FindUserBasedOnHistory(ZigBeeCoordinatorContext ctx, float weight)
{
IEnumerable <WirelessScaleData> mostRecentHistory = FindUsersMostRecentData(ctx);
WirelessScaleData closestData = mostRecentHistory.Smallest(d => Math.Abs(d.Value - weight));
if (Math.Abs(closestData.Value - weight) > 20)
{
return(null);
}
return(closestData.UserId);
}
public ActionResult DeleteValue(int wirelessScaleDataId)
{
int?userId = CoordinatorUser.Finder.GetCurrentUserId();
if (userId == null)
{
throw new Exception("You must be logged in");
}
using (ZigBeeCoordinatorContext ctx = new ZigBeeCoordinatorContext())
{
WirelessScaleData data = ctx.DbCtx.WirelessScaleDatas
.FirstOrDefault(d => d.WirelessScaleDataId == wirelessScaleDataId);
ctx.DbCtx.WirelessScaleDatas.DeleteObject(data);
ctx.DbCtx.SaveChanges();
}
return(RedirectToAction("Index", new { userId = userId }));
}
public ActionResult HistoryChart(int userId, int?width, int?height, HistoryChartType?chartType)
{
using (ZigBeeCoordinatorContext ctx = new ZigBeeCoordinatorContext())
{
double minX = UserSetting.Finder.GetSettingAsDouble(ctx, userId, GoalWeightSettingKey, 100.0);
string title = "History";
IEnumerable <WirelessScaleData> datas = GetUserHistory(ctx, userId);
if (chartType == null || chartType.Value == HistoryChartType.All)
{
title = "History - All";
}
else if (chartType.Value == HistoryChartType.Month)
{
title = "History - 30-days";
DateTime start = DateTime.Now.Subtract(new TimeSpan(30, 0, 0, 0));
datas = datas.Where(d => d.ReceivedDateTime > start);
WirelessScaleData smallest = datas.Smallest(d => d.Value);
if (smallest != null)
{
minX = smallest.Value;
}
}
else if (chartType.Value == HistoryChartType.Week)
{
title = "History - 7-days";
DateTime start = DateTime.Now.Subtract(new TimeSpan(7, 0, 0, 0));
datas = datas.Where(d => d.ReceivedDateTime > start);
WirelessScaleData smallest = datas.Smallest(d => d.Value);
if (smallest != null)
{
minX = smallest.Value;
}
}
ViewBag.Chart = BuildHistoryChart(datas, minX, width ?? 400, height ?? 300, title);
return(View());
}
}
