public static ExpenseGroupDTO CreateExpenseGroupDTO(ExpenseGroup expenseGroup)
{
return(new ExpenseGroupDTO()
{
Description = expenseGroup.Description,
ExpenseGroupStatusId = expenseGroup.ExpenseGroupStatusId,
Id = expenseGroup.Id,
Title = expenseGroup.Title,
Expenses = expenseGroup.Expenses.Select(e => ExpenseFactory.CreateExpenseDTO(e)).ToList()
});
}
public static object CreateDataShapedObjectExpenseGroup(ExpenseGroupDTO expenseGroup, List <string> lstOfFields)
{
// work with a new instance, as we'll manipulate this list in this method
List <string> lstOfFieldsToWorkWith = new List <string>(lstOfFields);
if (!lstOfFieldsToWorkWith.Any())
{
return(expenseGroup);
}
else
{
// does it include any expense-related field?
var lstOfExpenseFields = lstOfFieldsToWorkWith.Where(f => f.Contains("expenses")).ToList();
// if one of those fields is "expenses", we need to ensure the FULL expense is returned. If
// it's only subfields, only those subfields have to be returned.
bool returnPartialExpense = lstOfExpenseFields.Any() && !lstOfExpenseFields.Contains("expenses");
// if we don't want to return the full expense, we need to know which fields
if (returnPartialExpense)
{
// remove all expense-related fields from the list of fields,
// as we will use the CreateDateShapedObject function in ExpenseFactory
// for that.
lstOfFieldsToWorkWith.RemoveRange(lstOfExpenseFields);
lstOfExpenseFields = lstOfExpenseFields.Select(f => f.Substring(f.IndexOf(".") + 1)).ToList();
}
else
{
// we shouldn't return a partial expense, but the consumer might still have
// asked for a subfield together with the main field, ie: expense,expense.id. We
// need to remove those subfields in that case.
lstOfExpenseFields.Remove("expenses");
lstOfFieldsToWorkWith.RemoveRange(lstOfExpenseFields);
}
// create a new ExpandoObject & dynamically create the properties for this object
// if we have an expense
ExpandoObject objectToReturn = new ExpandoObject();
foreach (var field in lstOfFieldsToWorkWith)
{
// need to include public and instance, b/c specifying a binding flag overwrites the
// already-existing binding flags.
var fieldValue = expenseGroup.GetType()
.GetProperty(field, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance)
.GetValue(expenseGroup, null);
// add the field to the ExpandoObject
((IDictionary <String, Object>)objectToReturn).Add(field, fieldValue);
}
if (returnPartialExpense)
{
// add a list of expenses, and in that, add all those expenses
List <object> expenses = new List <object>();
foreach (var expense in expenseGroup.Expenses)
{
expenses.Add(ExpenseFactory.CreateDataShapedObject(expense, lstOfExpenseFields));
}
((IDictionary <String, Object>)objectToReturn).Add("expenses", expenses);
}
return(objectToReturn);
}
}
public static ExpenseGroup CreateExpenseGroupEntity(ExpenseGroupDTO expenseGroup)
{
return(new ExpenseGroup()
{
Description = expenseGroup.Description,
ExpenseGroupStatusId = expenseGroup.ExpenseGroupStatusId,
Id = expenseGroup.Id,
UserId = expenseGroup.UserId,
Title = expenseGroup.Title,
Expenses = expenseGroup.Expenses == null ? new List <Expense>() : expenseGroup.Expenses.Select(e => ExpenseFactory.CreateExpenseEntity(e)).ToList()
});
}