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using LiveCharts;
using LiveCharts.Wpf;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;
using Tango.BL;
using Tango.BL.Entities;
using Tango.BL.Enumerations;
using Tango.Core.Helpers;
using Tango.MachineStudio.Common;
using Tango.MachineStudio.Statistics.Models;
namespace Tango.MachineStudio.Statistics.ViewModels
{
public class MainViewVM : StudioViewModel
{
private ObservablesContext _context;
private List<JobRun> _job_runs;
private bool rendered;
private LabeledSeriesCollection _timelineJobStatusSeries;
public LabeledSeriesCollection TimelineJobStatusSeries
{
get { return _timelineJobStatusSeries; }
set { _timelineJobStatusSeries = value; RaisePropertyChangedAuto(); }
}
private LabeledSeriesCollection _pieJobFailedReasons;
public LabeledSeriesCollection PieJobFailedReasons
{
get { return _pieJobFailedReasons; }
set { _pieJobFailedReasons = value; RaisePropertyChangedAuto(); }
}
public MainViewVM()
{
}
public override void OnApplicationReady()
{
Task.Factory.StartNew(() =>
{
_context = ObservablesContext.CreateDefault();
DateTime start_date = DateTime.UtcNow.AddMonths(-1);
_job_runs = _context.JobRuns.OrderBy(x => x.StartDate).ToList();
});
}
private List<JobRun> GetJobRunsByStartDate(DateTime startDate, JobRunStatus? status = null)
{
return _job_runs.Where(x => x.StartDate.ToLocalTime() >= startDate && (status == null || x.JobRunStatus == status)).ToList();
}
private List<JobRun> GetJobRunsByDate(DateTime date, JobRunStatus? status = null)
{
return _job_runs.Where(x => x.StartDate.ToLocalTime().Date == date.Date && (status == null || x.JobRunStatus == status)).ToList();
}
private IEnumerable<DateTime> CreateDates(DateTime start, DateTime end)
{
for (DateTime date = start.Date; date.Date <= end.Date; date = date.AddDays(1))
{
yield return date;
}
}
public override void OnNavigatedTo()
{
base.OnNavigatedTo();
if (rendered) return;
rendered = true;
InvokeUIOnIdle(() =>
{
GenerateTimelineJobStatusChart();
GeneratePieFailedReasonsChart();
});
}
private void GenerateTimelineJobStatusChart()
{
TimelineJobStatusSeries = new LabeledSeriesCollection()
{
Title = "This Month Job Runs Status",
ChartTitle = "Number Of Runs",
LabelsTitle = "Date",
SeriesColors = new List<Color>()
{
Colors.Green,
Colors.Orange,
Colors.Red,
},
};
var completed_job_runs = new ColumnSeries()
{
Title = "Completed",
Values = new ChartValues<int>(),
Fill = Brushes.Green,
};
var aborted_job_runs = new ColumnSeries()
{
Title = "Aborted",
Values = new ChartValues<int>(),
Fill = Brushes.Orange,
};
var failed_job_runs = new ColumnSeries()
{
Title = "Failed",
Values = new ChartValues<int>(),
Fill = Brushes.Red,
};
foreach (var date in CreateDates(DateTime.Now.AddMonths(-1), DateTime.Now))
{
completed_job_runs.Values.Add(GetJobRunsByDate(date, JobRunStatus.Completed).Count());
aborted_job_runs.Values.Add(GetJobRunsByDate(date, JobRunStatus.Aborted).Count());
failed_job_runs.Values.Add(GetJobRunsByDate(date, JobRunStatus.Failed).Count());
TimelineJobStatusSeries.Labels.Add(date.ToShortDateString());
}
TimelineJobStatusSeries.SeriesCollection.Add(completed_job_runs);
TimelineJobStatusSeries.SeriesCollection.Add(aborted_job_runs);
TimelineJobStatusSeries.SeriesCollection.Add(failed_job_runs);
}
private void GeneratePieFailedReasonsChart()
{
var groups = GetJobRunsByStartDate(DateTime.Now.AddMonths(-1), JobRunStatus.Failed).GroupBy(x => x.FailedMessage);
List<Color> colors = new List<Color>();
int max = groups.Max(x => x.Count());
for (int i = 0; i < groups.Count(); i++)
{
int count = groups.ElementAt(i).Count();
double alpha = Math.Max(((double)(count) / max * 200), 20);
colors.Add(Color.FromArgb((byte)alpha, 200, 0, 0));
}
PieJobFailedReasons = new LabeledSeriesCollection()
{
Title = "This Month Job Failure Reasons",
SeriesColors = colors,
};
int index = 0;
foreach (var group in groups)
{
int count = group.Count();
var series = new PieSeries()
{
Title = group.First().FailedMessage,
Values = new ChartValues<int>() { count },
Fill = new SolidColorBrush(colors[index++]),
DataLabels = true,
};
PieJobFailedReasons.SeriesCollection.Add(series);
}
}
}
}
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