public IEnumerable <SalesGroup> GetSales(DateTime start, DateTime end, GroupingPeriod period)
{
TimeSpan step;
DateTime actualStart;
int randomStart;
int randomEnd;
switch (period)
{
case GroupingPeriod.Hour:
step = new TimeSpan(1, 0, 0);
actualStart = new DateTime(start.Year, start.Month, start.Day, start.Hour, 0, 0);
randomStart = 50000;
randomEnd = 250000;
break;
case GroupingPeriod.Day:
step = new TimeSpan(24, 0, 0);
actualStart = new DateTime(start.Year, start.Month, start.Day, 0, 0, 0);
randomStart = 900000;
randomEnd = 150000000;
break;
case GroupingPeriod.All:
return(null);
default:
throw new Exception();
}
List <SalesGroup> list = new List <SalesGroup>();
for (DateTime date = actualStart; date <= end; date += step)
{
if (period == GroupingPeriod.Hour && (date.Hour < 8 || date.Hour > 18))
{
continue;
}
decimal amount = rnd.Next(randomStart, randomEnd);
int units = (int)amount / 15;
SalesGroup sg = new SalesGroup(period.ToString(), amount, units, date, date + step);
list.Add(sg);
}
return(list);
}
/// <summary>
/// Returns data set containing all data for the report.
/// </summary>
/// <remarks>
/// Returned data set contains following tables:
/// +) Bugfixing periods (Periods)
/// +) Bugfixing statistics (Statistics)
/// +) Report information (Info)
///
/// --------------------------------------------------
/// Bugfixing periods contains information on Added,
/// Postponed, Reactivated, Removed bugs for each
/// time period and additionally two balances -
/// with Postponed/Reactivated and with only Added/Removed
/// accounted.
///
/// There are following columns in the table:
/// +) Interval - interval index
/// +) FromDate - period start date
/// +) ToDate - period end date
/// +) Added - number of Add transition during period
/// +) Postponed - -//-
/// +) Reactivated - -//-
/// +) Removed - -//-
/// +) Balance1 - balance with Postponed/Reactivated
/// +) Balance2 - balance with only Added/Removed
///
/// Each row contains information for one time period.
///
/// --------------------------------------------------
/// Bugfixing statistics table contains information on
/// Sum, Average per period and Average per day statistics.
///
/// There are following columns in the table:
/// +) Aggregate - name of aggregate (Sum, Avg, AvgDay)
/// +) Added - value of aggregate for Added through all periods
/// +) Postponed - -//- for Postponed
/// +) Reactivated - -//-
/// +) Removed - -//-
/// +) Balance1 - -//-
/// +) Balance2 - -//-
///
/// --------------------------------------------------
/// Report information table contains parameters
/// for which report was created:
/// +) GroupPeriod - Day, Week, etc
/// +) FromDate - start date of report
/// +) ToDate - end date of report
/// +) MinDate - minimum date of handled revision
/// +) MaxDate - maximum date of handled revision
/// </remarks>
public DataSet CreateReport()
{
// Create data set
ProjectStatisticDataSet dataSet = new ProjectStatisticDataSet();
// Use filter to iterate through revisions
RevisionTransitionFilter filter = new RevisionTransitionFilter();
// Select transition which fall into desired time interval
// Group them by interval index
// Order groups by interval index
var query = from t in filter.GetTransitions(m_revisions)
where t.CurrentRevision.Date >= m_fromDate &&
t.CurrentRevision.Date <= m_toDate
group t by GetGroup(m_groupBy, t.CurrentRevision) into g
orderby g.Key.Interval
select g;
DateTime minDate = DateTime.MaxValue, maxDate = DateTime.MinValue;
int prevInterval = -1;
// Count transitions
foreach (var group in query)
{
// Initialize values
int added = 0;
int postponed = 0;
int reactivated = 0;
int removed = 0;
// Update values for all revisions in group
foreach (RevisionStatusTransition transition in group)
{
// Update correspondent values
added += transition.Name == "Added" ? 1 : 0;
postponed += transition.Name == "Postponed" ? 1 : 0;
reactivated += transition.Name == "Reactivated" ? 1 : 0;
removed += transition.Name == "Removed" ? 1 : 0;
// Remember min/max dates
if (transition.CurrentRevision.Date < minDate)
{
minDate = transition.CurrentRevision.Date;
}
if (transition.CurrentRevision.Date > maxDate)
{
maxDate = transition.CurrentRevision.Date;
}
}
// Fill gaps between nonempty periods with zero rows
if (prevInterval != -1 && group.Key.Interval > (prevInterval + 1))
{
for (int interval = prevInterval + 1; interval < group.Key.Interval; interval++)
{
DateTime fromDate, toDate;
GetIntervalDates(m_groupBy, interval, out fromDate, out toDate);
dataSet.Periods.AddPeriodsRow(interval, fromDate, toDate,
0, 0, 0, 0);
}
}
// Add row for current group
dataSet.Periods.AddPeriodsRow(group.Key.Interval,
group.Key.IntervalStart, group.Key.IntervalEnd,
added, postponed, reactivated, removed);
// Remember current interval
prevInterval = group.Key.Interval;
}
// Fill info table
dataSet.Info.AddInfoRow(m_fromDate, m_toDate, m_groupBy.ToString(),
minDate, maxDate);
// Fill statistics table
return(dataSet);
}
