/// <summary>
/// This method updates a specified timespan's information in the database
/// </summary>
/// <param name="id">The SpanId of the timespan to be updated</param>
/// <param name="request">The request that contains the timespan's new information</param>
/// <returns>A bool indicating whether the operation was a success</returns>
public bool UpdateTimeSpan(int id, UpdateTimeSpanRequest request)
{
using (helpdesksystemContext context = new helpdesksystemContext())
{
Timespans timespan = context.Timespans.FirstOrDefault(t => t.SpanId == id);
if (timespan == null)
{
return(false);
}
Timespans existingTimespan = null;
existingTimespan = context.Timespans.FirstOrDefault(t => t.Name == request.Name);
// Update if no timespan exists matching the requesting name.
// Update anyway if the names match but the the existing timespan is the timespan we want to update.
if (existingTimespan == null || existingTimespan.SpanId == id)
{
timespan.Name = request.Name;
timespan.StartDate = request.StartDate;
timespan.EndDate = request.EndDate;
context.SaveChanges();
}
else
{
throw new DuplicateNameException("The nickname " + request.Name + " already exists!");
}
}
return(true);
}
/// <summary>
/// This method adds a timespan to the database.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public int AddTimeSpan(AddTimeSpanRequest request)
{
int spanId;
Timespans timespan = new Timespans
{
HelpdeskId = request.HelpdeskId,
Name = request.Name,
StartDate = request.StartDate,
EndDate = request.EndDate
};
using (var context = new helpdesksystemContext())
{
Timespans existingTimespan = null;
existingTimespan = context.Timespans.FirstOrDefault(t => t.Name == timespan.Name);
if (existingTimespan == null)
{
context.Timespans.Add(timespan);
context.SaveChanges();
spanId = timespan.SpanId;
}
else
{
throw new DuplicateNameException("The nickname " + request.Name + " already exists!");
}
}
return(spanId);
}
/// <summary>
/// Converts the timespan DTO to a DAO to interact with the database
/// </summary>
/// <param name="timespanDTO">The DTO for the timespan</param>
/// <returns>The DAO for the timespan</returns>
private Timespans timespanDTO2DAO(TimeSpanDTO timespanDTO)
{
Timespans timespan = new Timespans
{
SpanId = timespanDTO.SpanId,
HelpdeskId = timespanDTO.HelpdeskId,
Name = timespanDTO.Name,
StartDate = timespanDTO.StartDate,
EndDate = timespanDTO.EndDate
};
return(timespan);
}
/// <summary>
/// Converts the timespan DAO to a DTO to send to the front end
/// </summary>
/// <param name="timespan">The DAO for the timespan</param>
/// <returns>The DTO for the timespan</returns>
private TimeSpanDTO timespanDAO2DTO(Timespans timespan)
{
TimeSpanDTO timespanDTO = new TimeSpanDTO
{
SpanId = timespan.SpanId,
HelpdeskId = timespan.HelpdeskId,
Name = timespan.Name,
StartDate = timespan.StartDate,
EndDate = timespan.EndDate
};
return(timespanDTO);
}
/// <summary>
/// Used to delete a specific timespan from the database
/// </summary>
/// <param name="id">The SpanID of the timespan to be deleted</param>
/// <returns>Boolean indicating success or failure</returns>
public bool DeleteTimeSpan(int id)
{
using (helpdesksystemContext context = new helpdesksystemContext())
{
Timespans timespan = context.Timespans.FirstOrDefault(ts => ts.SpanId == id);
if (timespan == null)
{
return(true);
}
context.Timespans.Remove(timespan);
context.SaveChanges();
}
return(true);
}
