protected virtual GeckoLineChart BuildLinechartData(LineChartArgs args,
IEnumerable <LineChartData> sourceData,
List <DateTime> xAxis,
GeckoValues yAxis)
{
var data = new GeckoLineChart();
for (var i = 0; i < sourceData.Count(); i++)
{
if (i != 0 && (i % args.Sample != 0))
{
continue;
}
// start at the newest and work backwards
var j = sourceData.Count() - i - 1;
var lci = sourceData.ElementAt(j);
xAxis.Add(lci.When);
yAxis.Add(lci.Value);
data.Item.Add(Scale(lci.Value,
args.ScaleUp,
args.ScaleDown,
args.DecimalPlaces).ToString());
}
// finally reverse the data order oldest->newest
data.Item.Reverse();
return(data);
}
public GeckoLineChart GetGeckoboardLineChartForCheckRate(LineChartArgs args)
{
GeckoLineChart data = null;
try
{
var yAxis = new GeckoValues();
var xAxis = new List <DateTime>();
CalculateLinechartSample(args);
DateTime oldestDate;
DateTime newestDate;
CalculateLinechartDateRange(args, out oldestDate, out newestDate);
// get the actual data from the provider and a "zero set" - a set
// of zero values for the entire date range
var dbData = myDataProvider.GetLineChartDataForCheckRate(args);
var zeroData = GenerateLinechartZeroSet(args, oldestDate, newestDate);
// merge the two data sets, using the actual data value where
// available, otherwise use a zero value
var mergedData = MergeLinechartData(dbData, zeroData);
data = BuildLinechartData(args, mergedData, xAxis, yAxis);
CalculateLinechartSettings(args, data, yAxis, xAxis);
}
catch (Exception ex)
{
Logger.Error(Logger.Event.During("GetGeckoboardLineChartForCheckRate")
.Encountered(ex));
throw;
}
return(data);
}
public void TheLinechartCheckRateMethodIsInvoked()
{
SafeExecute(() =>
{
var impl = new GeckoboardDataServiceImpl(myDataProvider, myColourPicker);
myResult = impl.GetGeckoboardLineChartForCheckRate(myArgs);
});
}
protected void CalculateLinechartSettings(LineChartArgs args,
GeckoLineChart data,
GeckoValues yAxis,
List <DateTime> xAxis)
{
var minY = args.ScaleY
? Scale(yAxis.Min(), args.ScaleUp, args.ScaleDown, args.ScaleYDecimalPlaces)
: Scale(yAxis.Min(), 1, 1, args.ScaleYDecimalPlaces);
var midY = args.ScaleY
? Scale(yAxis.Mid(), args.ScaleUp, args.ScaleDown, args.ScaleYDecimalPlaces)
: Scale(yAxis.Mid(), 1, 1, args.ScaleYDecimalPlaces);
var maxY = args.ScaleY
? Scale(yAxis.Max(), args.ScaleUp, args.ScaleDown, args.ScaleYDecimalPlaces)
: Scale(yAxis.Max(), 1, 1, args.ScaleYDecimalPlaces);
var colourKey = string.Format("linechart.{0}.{1}", args.Site, args.Check);
data.Settings.Colour = myColourPicker.Next(colourKey).ToString();
data.Settings.Y.Add(minY.ToString());
data.Settings.Y.Add(midY.ToString());
data.Settings.Y.Add(maxY.ToString());
var minDate = xAxis.Min();
var maxDate = xAxis.Max();
if (maxDate.Subtract(minDate).TotalDays < 1)
{
data.Settings.X.Add(minDate.ToShortTimeString());
data.Settings.X.Add(minDate.AddMinutes(
maxDate.Subtract(minDate).TotalMinutes / 2).ToShortTimeString());
data.Settings.X.Add(maxDate.ToShortTimeString());
}
else
{
var midMins = maxDate.Subtract(minDate).TotalMinutes / 2;
var midDate = maxDate.Subtract(TimeSpan.FromMinutes(midMins));
data.Settings.X.Add(minDate.ToString(Linechart.X_Axis_DateFormat));
data.Settings.X.Add(midDate.ToString(Linechart.X_Axis_DateFormat));
data.Settings.X.Add(maxDate.ToString(Linechart.X_Axis_DateFormat));
}
}
public HttpResponseMessage Line([FromUri] string format = "JSON", [FromUri] string type = "1")
{
try
{
if (!User.Identity.IsAuthenticated)
{
return(this.Request.CreateErrorResponse(HttpStatusCode.Unauthorized, new Exception("API key not specified.")));
}
if (Guid.Parse(ConfigurationManager.AppSettings["GeckoAPIkey"]).ToString() != User.Identity.Name)
{
return(this.Request.CreateErrorResponse(HttpStatusCode.Unauthorized, new Exception(string.Format("Unknown API key, should be '{0}'.", ConfigurationManager.AppSettings["GeckoAPIkey"]))));
}
//if (int.Parse(type) != 1) { return this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, new ArgumentException(string.Format("Type parameter '{0}' is wrong.", type))); }
// You would modify what gets returned here to make it meaningful
var retVal = new GeckoLineChart()
{
Items = new List <string>()
{
"12.3", "2.3", "10", "15", "15", "13", "12.1", "9.8", "12.3", "2.3", "10"
},
Settings = new GeckoLineChartSettings()
{
XAxisLabels = new List <string>()
{
"Jun", "Jul", "Aug"
},
YAxisLabels = new List <string>()
{
"Min", "Max"
},
Colour = "ff9900"
}
};
return(this.Request.CreateResponse <GeckoLineChart>(HttpStatusCode.OK, retVal));
}
catch (Exception ex)
{
return(this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError, ex));
}
}
public HttpResponseMessage Line([FromUri]string format = "JSON", [FromUri]string type = "1")
{
try
{
if (!User.Identity.IsAuthenticated) { return this.Request.CreateErrorResponse(HttpStatusCode.Unauthorized, new Exception("API key not specified.")); }
if (Guid.Parse(ConfigurationManager.AppSettings["GeckoAPIkey"]).ToString() != User.Identity.Name) { return this.Request.CreateErrorResponse(HttpStatusCode.Unauthorized, new Exception(string.Format("Unknown API key, should be '{0}'.", ConfigurationManager.AppSettings["GeckoAPIkey"]))); }
//if (int.Parse(type) != 1) { return this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, new ArgumentException(string.Format("Type parameter '{0}' is wrong.", type))); }
// You would modify what gets returned here to make it meaningful
var retVal = new GeckoLineChart()
{
Items = new List<string>() { "12.3", "2.3", "10", "15", "15", "13", "12.1", "9.8", "12.3", "2.3", "10" },
Settings = new GeckoLineChartSettings()
{
XAxisLabels = new List<string>() { "Jun", "Jul", "Aug" },
YAxisLabels = new List<string>() { "Min", "Max" },
Colour = "ff9900"
}
};
return this.Request.CreateResponse<GeckoLineChart>(HttpStatusCode.OK, retVal);
}
catch (Exception ex)
{
return this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError, ex);
}
}
