/// <summary>
/// Apply business method.
/// </summary>
/// <param name="leave">A leave value.</param>
/// <returns>Returns a Leave object.</returns>
public Leave Apply(Leave leave)
{
leave.Status = LeaveStatuses.Pending;
leave.DateSubmitted = DateTime.Now;
leave.IsCompleted = false;
LeaveStatusLog log = CreateLog(leave);
// Data access component declarations.
var leaveDAC = new LeaveDAC();
var leaveStatusLogDAC = new LeaveStatusLogDAC();
Validations.ValidateLeaveDates(leave);
// Check for overlapping leaves.
if (leaveDAC.IsOverlap(leave))
{
throw new ApplicationException("Date range is overlapping with another leave.");
}
using (TransactionScope ts =
new TransactionScope(TransactionScopeOption.Required))
{
// Step 1 - Calling Create on LeaveDAC.
leaveDAC.Create(leave);
// Step 2 - Calling Create on LeaveStatusLogDAC.
log.LeaveID = leave.LeaveID;
leaveStatusLogDAC.Create(log);
ts.Complete();
}
return(leave);
}
/// <summary>
/// GetLeaveById business method.
/// </summary>
/// <param name="leaveID">A leaveID value.</param>
/// <returns>Returns a Leave object.</returns>
public Leave GetLeaveById(long leaveID)
{
Leave result = default(Leave);
// Data access component declarations.
var leaveDAC = new LeaveDAC();
// Step 1 - Calling SelectById on LeaveDAC.
result = leaveDAC.SelectById(leaveID);
return(result);
}
/// <summary>
/// Apply business method.
/// </summary>
/// <param name="leave">A leave value.</param>
/// <returns>Returns a Leave object.</returns>
public Leave Apply(Leave leave)
{
leave.Status = LeaveStatuses.Pending;
leave.DateSubmitted = DateTime.Now;
leave.IsCompleted = false;
LeaveStatusLog log = CreateLog(leave);
// Data access component declarations.
var leaveDAC = new LeaveDAC();
var leaveStatusLogDAC = new LeaveStatusLogDAC();
// Activate Data Annotation validation.
var context = new ValidationContext(leave);
var validationErrors = new List <ValidationResult>();
Validator.TryValidateObject(leave, context, validationErrors, true);
if (validationErrors.Count > 0)
{
throw new ApplicationException(validationErrors[0].ErrorMessage);
}
// Check for overlapping leaves.
if (leaveDAC.IsOverlap(leave))
{
throw new ApplicationException("Date range is overlapping with another leave.");
}
using (TransactionScope ts =
new TransactionScope(TransactionScopeOption.Required))
{
// Step 1 - Calling Create on LeaveDAC.
leaveDAC.Create(leave);
// Step 2 - Calling Create on LeaveStatusLogDAC.
log.LeaveID = leave.LeaveID;
leaveStatusLogDAC.Create(log);
ts.Complete();
}
return(leave);
}
private void UpdateStatus(Leave leave)
{
LeaveStatusLog log = CreateLog(leave);
// Data access component declarations.
var leaveDAC = new LeaveDAC();
var leaveStatusLogDAC = new LeaveStatusLogDAC();
using (TransactionScope ts =
new TransactionScope(TransactionScopeOption.Required))
{
// Step 1 - Calling UpdateById on LeaveDAC.
leaveDAC.UpdateStatus(leave);
// Step 2 - Calling Create on LeaveStatusLogDAC.
leaveStatusLogDAC.Create(log);
ts.Complete();
}
}
/// <summary>
/// ListLeavesByEmployee business method.
/// </summary>
/// <param name="startRowIndex">A startRowIndex value.</param>
/// <param name="maximumRows">A maximumRows value.</param>
/// <param name="sortExpression">A sortExpression value.</param>
/// <param name="employee">A employee value.</param>
/// <param name="category">A category value.</param>
/// <param name="status">A status value.</param>
/// <returns>Returns a List<Leave> object.</returns>
public List <Leave> ListLeavesByEmployee(int maximumRows, int startRowIndex,
string sortExpression, string employee, LeaveCategories?category, LeaveStatuses?status,
out int totalRowCount)
{
List <Leave> result = default(List <Leave>);
if (string.IsNullOrWhiteSpace(sortExpression))
{
sortExpression = "DateSubmitted DESC";
}
// Data access component declarations.
var leaveDAC = new LeaveDAC();
// Step 1 - Calling Select on LeaveDAC.
result = leaveDAC.Select(maximumRows, startRowIndex, sortExpression,
employee, category, status);
// Step 2 - Get count.
totalRowCount = leaveDAC.Count(employee, category, status);
return(result);
}
