public void UpdateChart()
{
try
{
Project project = MainController.Instance.Project;
int days = 0, daysFromStart = 0, workDone = 0;
double totalWork = 0;
if (project.DueDate != DateTime.MinValue)
{
MySqlDataReader dataReader = new ProjectDAO().GetBurndwonChartData(project.Id);
if (dataReader.Read())
{
days = dataReader.IsDBNull(3) ? 0 : dataReader.GetInt16("ProjectLength");
totalWork = dataReader.IsDBNull(1) ? 0 : dataReader.GetInt16("TotalWork");
daysFromStart = dataReader.IsDBNull(4) ? 0 : dataReader.GetInt16("DaysFromStart");
workDone = dataReader.IsDBNull(2) ? 0 : dataReader.GetInt16("WorkDone");
}
mySQLConnector.CloseConnections(dataReader);
if (this.days != days || this.daysFromStart != daysFromStart || !this.totalWork.Equals(totalWork) || !this.workDone.Equals(workDone))
{
this.days = days;
this.daysFromStart = daysFromStart;
this.totalWork = totalWork;
this.workDone = workDone;
// Get values for target line
ChartValues <double> target = new ChartValues <double>();
for (int i = 0; i <= days; i++)
{
if (target.Count == 0)
{
target.Add(totalWork);
}
else if (i == days)
{
target.Add(0);
}
else
{
target.Add(Math.Round(target[i - 1] - (totalWork / days), 2));
}
}
// Get values for actual work done
ChartValues <double> actual = new ChartValues <double>();
MySqlDataReader dataReaderActual = new WorkLogDAO().GetWorkLogByProject(project.Id);
List <WorkLog> workLogs = new List <WorkLog>();
if (dataReaderActual != null)
{
while (dataReaderActual.Read())
{
workLogs.Add(new WorkLog(null, 0, dataReaderActual.IsDBNull(0) ? 0 : dataReaderActual.GetInt16("Work"), (DateTime)dataReaderActual.GetMySqlDateTime("Date")));
}
for (int i = 0; i <= daysFromStart; i++)
{
if (actual.Count == 0)
{
actual.Add(totalWork);
}
else
{
bool foundWork = false;
foreach (WorkLog work in workLogs)
{
if (work.CreatedAt.Date.Equals(project.CreatedAt.AddDays(i).Date))
{
actual.Add(actual[actual.Count - 1] - work.Work);
workLogs.Remove(work);
foundWork = true;
break;
}
if (work.Equals(workLogs.Last()))
{
foundWork = false;
}
}
if (!foundWork)
{
actual.Add(actual[actual.Count - 1]);
}
}
}
}
SeriesCollection[0].Values = target;
SeriesCollection[1].Values = actual;
mySQLConnector.CloseConnections(dataReaderActual);
}
}
}
catch
{
throw;
}
}