public static async Task <Dimension> GetNewDimension()
{
AddDimension d = new AddDimension();
var vm = new AddDimensionViewModel();
d.DataContext = vm;
var result = d.ShowDialog();
if (result ?? true)
{
switch (vm.DimensionType)
{
case DimensionType.Names:
return(await GetNamesDimension(vm));
case DimensionType.Date:
return(GetDateDimension(vm));
case DimensionType.Id:
return(GetIdDimension(vm));
}
}
return(null);
}
static Dimension GetIdDimension(AddDimensionViewModel vm)
{
Dimension dim = new Dimension(vm.DimensionName);
DataTable dt = dim.DataTable = new DataTable();
if (vm.Name)
{
dt.Columns.Add("id");
}
dt.BeginLoadData();
for (int from = vm.fromId; from < vm.toId; from++)
{
var row = dt.NewRow();
row["id"] = from;
dt.Rows.Add(row);
}
dt.EndLoadData();
return(dim);
}
static async Task <Dimension> GetNamesDimension(AddDimensionViewModel vm)
{
List <NameEntry> names = await GetRandomNames(vm.NamesCount);
if (names == null || names.Count == 0)
{
return(null);
}
Dimension dim = new Dimension(vm.DimensionName);
DataTable dt = dim.DataTable = new DataTable();
if (vm.Name)
{
dt.Columns.Add("Имя");
}
if (vm.SurName)
{
dt.Columns.Add("Фамилия");
}
if (vm.Gender)
{
dt.Columns.Add("Пол");
}
if (vm.FullName)
{
dt.Columns.Add("Полное имя");
}
if (vm.UID)
{
dt.Columns.Add("UID");
}
dt.BeginLoadData();
foreach (var name in names)
{
var row = dt.NewRow();
if (vm.Name)
{
row["Имя"] = name.Name;
}
if (vm.SurName)
{
row["Фамилия"] = name.SurName;
}
if (vm.Gender)
{
row["Пол"] = name.Gender.ToString();
}
if (vm.FullName)
{
row["Полное имя"] = name.FullName;
}
if (vm.UID)
{
row["UID"] = System.Guid.NewGuid().ToString("N").ToUpper();
}
dt.Rows.Add(row);
}
dt.EndLoadData();
return(dim);
}
static Dimension GetDateDimension(AddDimensionViewModel vm)
{
//set starting params
DateTime from = vm.DateFrom;
DateTime to = vm.DateTo;
Func <DateTime, DateTime> IncDate = (ind) => ind.AddDays(1);
Dimension dim = new Dimension(vm.DimensionName);
DataTable dt = dim.DataTable = new DataTable();
DateFields df = vm.DateFields;
//add field to table for each selected field
foreach (string fieldName in Enum.GetNames(typeof(DateFields)))
{
var field = (DateFields)Enum.Parse(typeof(DateFields), fieldName);
if (df.HasFlag(field) && field != DateFields.None)
{
dt.Columns.Add(fieldName);
}
}
//set start and end dates
switch (vm.DateLevel)
{
case DateDetailLevel.Month:
from = new DateTime(from.Year, from.Month, 1);
to = new DateTime(to.Year, to.Month, 1);
IncDate = (ind) => ind.AddMonths(1);
break;
case DateDetailLevel.Year:
from = new DateTime(from.Year, 1, 1);
to = new DateTime(to.Year, 1, 1);
IncDate = (ind) => ind.AddYears(1);
break;
}
//create records and fill with values
dt.BeginLoadData();
while (from < to)
{
var row = dt.NewRow();
if (df.HasFlag(DateFields.DateKey))
{
row["DateKey"] = from.ToShortDateString();
}
if (df.HasFlag(DateFields.DayNum))
{
row["DayNum"] = from.Day;
}
if (df.HasFlag(DateFields.MonthNum))
{
row["MonthNum"] = from.Month;
}
if (df.HasFlag(DateFields.YearNum))
{
row["YearNum"] = from.Year;
}
dt.Rows.Add(row);
from = IncDate(from);
}
dt.EndLoadData();
return(dim);
}
