/// <summary>
/// Edits the queue details in the database.
/// </summary>
/// <param name="id"></param>
/// <param name="request"></param>
/// <returns></returns>
public bool UpdateQueueItem(int id, UpdateQueueItemRequest request)
{
using (helpdesksystemContext context = new helpdesksystemContext())
{
Queueitem item = context.Queueitem.FirstOrDefault(p => p.ItemId == id);
if (item == null)
{
throw new NotFoundException($"Unable to find queue item with id [{id}]");
}
Topic topic = context.Topic.FirstOrDefault(t => t.TopicId == request.TopicID);
// Check that the topic the queue item wants to update to actually exists.
if (topic == null)
{
throw new NotFoundException($"Unable to find topic with id [{request.TopicID}]");
}
item.TopicId = request.TopicID;
item.Description = request.Description;
context.SaveChanges();
return(true);
}
}
/// <summary>
/// Converts the queue item DTO to a DAO to interact with the database
/// </summary>
/// <param name="queueItemDTO">The DTO for the queue item</param>
/// <returns>The DAO for the queue item</returns>
private Queueitem DTO2DAO(QueueItemDTO queueItemDTO)
{
Queueitem queueItem = new Queueitem
{
ItemId = queueItemDTO.ItemId,
StudentId = queueItemDTO.StudentId,
TopicId = queueItemDTO.TopicId,
Description = queueItemDTO.Description,
TimeAdded = queueItemDTO.TimeAdded,
TimeHelped = queueItemDTO.TimeHelped,
TimeRemoved = queueItemDTO.TimeRemoved
};
return(queueItem);
}
/// <summary>
/// Converts the queue item DAO to a DTO to send to the front end
/// </summary>
/// <param name="queueItem">The DAO for the queue item</param>
/// <returns>The DTO for the queue item</returns>
private QueueItemDTO DAO2DTO(Queueitem queueItem)
{
QueueItemDTO queueItemDTO = null;
queueItemDTO = new QueueItemDTO();
queueItemDTO.ItemId = queueItem.ItemId;
queueItemDTO.StudentId = queueItem.StudentId;
queueItemDTO.Nickname = queueItem.Student.NickName;
queueItemDTO.TopicId = queueItem.TopicId;
queueItemDTO.Topic = queueItem.Topic.Name;
queueItemDTO.Unit = queueItem.Topic.Unit.Name;
queueItemDTO.TimeAdded = queueItem.TimeAdded;
queueItemDTO.TimeHelped = queueItem.TimeHelped;
queueItemDTO.TimeRemoved = queueItem.TimeRemoved;
queueItemDTO.Description = queueItem.Description;
return(queueItemDTO);
}
/// <summary>
/// Used to add a queue item to the database
/// </summary>
/// <param name="request">The request with the information to be added</param>
/// <returns>The id of the queue item or null if not successful</returns>
public int AddToQueue(AddToQueueRequest request)
{
int?id = null;
using (helpdesksystemContext context = new helpdesksystemContext())
{
Queueitem item = new Queueitem()
{
StudentId = request.StudentID.Value,
TimeAdded = DateTime.Now,
TopicId = request.TopicID,
Description = request.Description,
};
context.Queueitem.Add(item);
context.SaveChanges();
id = item.ItemId;
if (request.CheckInID.HasValue)
{
Checkinhistory checkinhistory = context.Checkinhistory.FirstOrDefault(ci => ci.CheckInId == request.CheckInID.Value);
if (checkinhistory == null)
{
throw new NotFoundException($"Unable to find queue item with id [{request.CheckInID.Value}]");
}
Checkinqueueitem checkinqueueitem = new Checkinqueueitem()
{
CheckInId = request.CheckInID.Value,
QueueItemId = item.ItemId,
};
context.Checkinqueueitem.Add(checkinqueueitem);
}
context.SaveChanges();
}
return(id.Value);
}
/// <summary>
/// Used to update a queue item status in the database.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public bool UpdateQueueItemStatus(int id, UpdateQueueItemStatusRequest request)
{
using (helpdesksystemContext context = new helpdesksystemContext())
{
Queueitem item = context.Queueitem.FirstOrDefault(p => p.ItemId == id);
if (item == null)
{
throw new NotFoundException($"Unable to find queue item with id [{id}]");
}
if (request.TimeHelped != null && request.TimeRemoved == null && item.TimeHelped == null)
{
// Update TimeHelped
item.TimeHelped = request.TimeHelped;
context.SaveChanges();
return(true);
}
if (request.TimeRemoved != null && request.TimeHelped == null && item.TimeRemoved == null)
{
if (request.TimeRemoved <= item.TimeHelped)
{
// TimeRemoved date is earlier than TimeHelped date - this can not happen.
return(false);
}
// Update TimeRemoved
item.TimeRemoved = request.TimeRemoved;
context.SaveChanges();
return(true);
}
// something went wrong. Shouldn't happen if the facade validation did its job.
// Means both Helped and Removed values are assigned or null.
// Could also mean a TimeHelped or TimeRemoved was provided twice.
// E.g. you tried to provide TimeHelped when TimeHelped was alrady set for that queue item.
return(false);
}
}
public void CheckOutWithQueueItems()
{
Unit unit = new Unit()
{
Code = AlphaNumericStringGenerator.GetString(8),
IsDeleted = false,
Name = AlphaNumericStringGenerator.GetString(10),
};
Topic topic = new Topic()
{
Name = AlphaNumericStringGenerator.GetString(10),
IsDeleted = false
};
using (helpdesksystemContext context = new helpdesksystemContext())
{
context.Unit.Add(unit);
topic.UnitId = unit.UnitId;
context.Topic.Add(topic);
context.SaveChanges();
}
CheckInRequest request = new CheckInRequest()
{
UnitID = unit.UnitId,
Nickname = AlphaNumericStringGenerator.GetString(10),
SID = AlphaNumericStringGenerator.GetStudentIDString()
};
CheckInFacade facade = new CheckInFacade();
CheckInResponse response = facade.CheckIn(request);
Assert.AreEqual(HttpStatusCode.OK, response.Status);
Assert.IsTrue(response.CheckInID > 0);
Queueitem queueitem = new Queueitem()
{
StudentId = response.StudentID,
TopicId = topic.TopicId,
Description = "Check In Unit Test",
TimeAdded = DateTime.Now
};
using (helpdesksystemContext context = new helpdesksystemContext())
{
context.Queueitem.Add(queueitem);
Checkinqueueitem checkinqueueitem = new Checkinqueueitem()
{
CheckInId = response.CheckInID,
QueueItemId = queueitem.ItemId
};
context.Checkinqueueitem.Add(checkinqueueitem);
context.SaveChanges();
}
CheckOutRequest coRequest = new CheckOutRequest()
{
ForcedCheckout = false
};
CheckOutResponse coResponse = facade.CheckOut(coRequest, response.CheckInID);
Assert.AreEqual(HttpStatusCode.OK, coResponse.Status);
Assert.IsTrue(coResponse.Result);
using (helpdesksystemContext context = new helpdesksystemContext())
{
Checkinhistory checkOut = context.Checkinhistory.FirstOrDefault(co => co.CheckInId == response.CheckInID);
Queueitem item = context.Queueitem.FirstOrDefault(qi => qi.ItemId == queueitem.ItemId);
Assert.IsNotNull(checkOut);
var baseTime = DateTime.Now.AddMinutes(-1);
var addTime = checkOut.CheckoutTime;
var timeDiff = baseTime.CompareTo(addTime);
Assert.IsTrue(timeDiff == -1);
Assert.AreEqual(coRequest.ForcedCheckout, checkOut.ForcedCheckout);
Assert.IsNotNull(item);
var baseQueueTime = DateTime.Now.AddMinutes(-1);
var removeQueueTime = item.TimeRemoved;
var queueTimeDiff = baseQueueTime.CompareTo(removeQueueTime);
Assert.IsTrue(queueTimeDiff == -1);
}
}
public void JoinQueueNoCheckInNewStudent()
{
Helpdesksettings helpdesk = new Helpdesksettings()
{
HasQueue = true,
HasCheckIn = false,
IsDeleted = false,
Name = AlphaNumericStringGenerator.GetString(10),
};
Unit unit = new Unit()
{
Code = AlphaNumericStringGenerator.GetString(8),
IsDeleted = false,
Name = AlphaNumericStringGenerator.GetString(10),
};
Topic topic = new Topic()
{
IsDeleted = false,
Name = AlphaNumericStringGenerator.GetString(10),
};
using (helpdesksystemContext context = new helpdesksystemContext())
{
context.Helpdesksettings.Add(helpdesk);
context.Unit.Add(unit);
context.SaveChanges();
Helpdeskunit helpdeskunit = new Helpdeskunit()
{
HelpdeskId = helpdesk.HelpdeskId,
UnitId = unit.UnitId
};
context.SaveChanges();
topic.UnitId = unit.UnitId;
context.Topic.Add(topic);
context.SaveChanges();
}
AddToQueueRequest request = new AddToQueueRequest()
{
Nickname = AlphaNumericStringGenerator.GetString(10),
SID = AlphaNumericStringGenerator.GetStudentIDString(),
TopicID = topic.TopicId,
Description = "JoinQueueNoCheckInNewStudent Test"
};
QueueFacade facade = new QueueFacade();
AddToQueueResponse response = facade.AddToQueue(request);
Assert.AreEqual(HttpStatusCode.OK, response.Status);
Assert.IsTrue(response.ItemId > 0);
using (helpdesksystemContext context = new helpdesksystemContext())
{
Queueitem queueitem = context.Queueitem.FirstOrDefault(qi => qi.ItemId == response.ItemId);
var baseTime = DateTime.Now.AddMinutes(-1);
var addTime = queueitem.TimeAdded;
Assert.AreEqual(request.TopicID, queueitem.TopicId);
var timeDiff = baseTime.CompareTo(addTime);
Assert.IsTrue(timeDiff == -1);
Nicknames nicknames = context.Nicknames.FirstOrDefault(n => n.StudentId == queueitem.StudentId);
Assert.AreEqual(request.Nickname, nicknames.NickName);
Assert.AreEqual(request.SID, nicknames.Sid);
}
}
