public IEnumerable <SalesGroup> GetSalesByChannel(DateTime start, DateTime end, GroupingPeriod period)
{
List <SalesGroup> list = new List <SalesGroup>();
if (period == GroupingPeriod.All)
{
foreach (string channel in channels)
{
decimal amount = rnd.Next(4750, 87756);
int units = (int)amount / 15;
SalesGroup sg = new SalesGroup(channel, amount, units, start, end);
list.Add(sg);
}
return(list);
}
else
{
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();
}
foreach (string channel in channels)
{
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(channel, amount, units, date, date + step);
list.Add(sg);
}
}
return(list);
}
}
public IEnumerable <SalesGroup> GetSalesBySector(DateTime start, DateTime end, GroupingPeriod period)
{
List <SalesGroup> list = new List <SalesGroup>();
foreach (string sector in sectors)
{
decimal amount = rnd.Next(4750, 87756);
int units = (int)amount / 15;
SalesGroup sg = new SalesGroup(sector, amount, units, start, end);
list.Add(sg);
}
return(list);
}