public async Task <IActionResult> PostQueueEntryModel([FromBody] QueueEntryModel queueEntryModel)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
_context.QueueEntries.Add(queueEntryModel);
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateException)
{
if (QueueEntryModelExists(queueEntryModel.QueueId))
{
return(new StatusCodeResult(StatusCodes.Status409Conflict));
}
else
{
throw;
}
}
return(CreatedAtAction("GetQueueEntryModel", new { id = queueEntryModel.QueueId }, queueEntryModel));
}
public async Task <IActionResult> ResolveEntryByName(string entryName, int queueId)
{
QueueEntryModel entryToDelete = _context.QueueEntries.Where(entry => entry.IdentificationCode == entryName &&
entry.QueueId == queueId).Single();
if (entryToDelete == null)
{
return(BadRequest("Entry not found"));
}
else
{
if (queueHelper.EntryIsAtTheReady(entryToDelete))
{
_context.QueueEntries.Remove(entryToDelete);
await _context.SaveChangesAsync();
return(Ok()); // TODO: Check/Update ETA?
}
else
{
return(BadRequest("Entry is not ready yet"));
}
}
}
public async Task <IActionResult> GetReadyState(int queueEntryId)
{
QueueEntryModel queueEntry = await _context.QueueEntries.FindAsync(queueEntryId);
if (queueEntry == null)
{
return(BadRequest("Entry not found"));
}
QueueModel queue = await _context.Queues.FindAsync(queueEntry.QueueId);
if (queueEntry == null)
{
return(BadRequest("Queue not found"));
}
int entriesBefore = _context.QueueEntries.Where(entry => entry.EntryTime < queueEntry.EntryTime &&
entry.QueueId == queueEntry.QueueId).Count();
if (entriesBefore < queue.AtTheReadyCount)
{
return(Ok(true));
}
else
{
return(Ok(false));
}
}
public async Task <IActionResult> PutQueueEntryModel([FromRoute] int id, [FromBody] QueueEntryModel queueEntryModel)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != queueEntryModel.QueueId)
{
return(BadRequest());
}
_context.Entry(queueEntryModel).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!QueueEntryModelExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public async Task <IActionResult> GetEstimatedWaitingTime(int queueEntryId)
{
QueueEntryModel queueEntry = await _context.QueueEntries.FindAsync(queueEntryId);
if (queueEntry == null)
{
return(BadRequest("Entry not found"));
}
QueueModel queue = await _context.Queues.FindAsync(queueEntry.QueueId);
if (queueEntry == null)
{
return(BadRequest("Queue not found"));
}
int averageWaitTime = queue.AverageWaitTimeSeconds;
int entriesBefore = _context.QueueEntries.Where(entry => entry.EntryTime < queueEntry.EntryTime &&
entry.QueueId == queueEntry.QueueId).Count();
int entriesUntilReady = entriesBefore - queue.AtTheReadyCount;
if (entriesUntilReady < 0)
{
entriesUntilReady = 0;
}
return(Ok(entriesUntilReady * averageWaitTime));
}
public bool EntryIsAtTheReady(QueueEntryModel entry)
{
int entriesBefore = _context.QueueEntries.Where(item => item.QueueId == entry.QueueId && item.EntryTime < entry.EntryTime).Count();
int queueAtTheReadyCount = _context.Queues.Where(queue => queue.Id == entry.QueueId).Single().AtTheReadyCount;
return(entriesBefore < queueAtTheReadyCount);
}
public async Task <IActionResult> DeleteEntry([FromRoute] int entryId)
{
QueueEntryModel entryToDelete = await _context.QueueEntries.FindAsync(entryId);
if (entryToDelete == null)
{
return(BadRequest("Entry not found"));
}
else
{
int queueId = entryToDelete.QueueId;
_context.QueueEntries.Remove(entryToDelete);
await _context.SaveChangesAsync();
await queueHelper.RemoveTimedoutQueueEntries(queueId);
await queueHelper.UpdateAtTheReady(queueId);
return(Ok()); // TODO: Check/Update ETA
}
}
public async Task UpdateAtTheReady(int queueId)
{
IEnumerable <QueueEntryModel> queueEntries = _context.QueueEntries.Where(entry => entry.QueueId == queueId).OrderBy(entry => entry.EntryTime);
QueueModel queue = await _context.Queues.FindAsync(queueId);
int atTheReadyCount = queue.AtTheReadyCount;
for (int i = 0; i < atTheReadyCount; i++)
{
QueueEntryModel entry = queueEntries.ElementAtOrDefault(i);
if (entry == null)
{
break;
}
if (entry.WasReadyAt != null)
{
entry.WasReadyAt = DateTime.Now;
}
}
}
public async Task <IActionResult> AddEntry(int queueId, int?userId = null)
{
if (_context.Queues.Where(queue => queue.Id == queueId).Count() != 1)
{
return(BadRequest("Failed to find queue"));
}
if (queueHelper.QueueIsFull(queueId))
{
return(BadRequest("Queue is full"));
}
if (!queueHelper.QueueIsOpen(queueId))
{
return(BadRequest("Queue is closed"));
}
QueueEntryModel entry = new QueueEntryModel()
{
UserId = userId,
QueueId = queueId,
EntryTime = DateTime.Now,
Priority = 0, // TODO
IdentificationCode = QueueHelper.GenerateQueueIdentification(queueId, _context)
};
_context.QueueEntries.Add(entry);
try
{
await _context.SaveChangesAsync();
return(Ok(entry.Id));
}
catch (Exception ex)
{
ExceptionHandler.LogException(ex.StackTrace, ExceptionHandler.ErrorLevel.WARNING, _context);
return(BadRequest("Failed to insert entry"));
}
}
public async Task <IActionResult> ResolveEntry(int entryId)
{
QueueEntryModel entryToDelete = await _context.QueueEntries.FindAsync(entryId);
if (entryToDelete == null)
{
return(BadRequest("Entry not found"));
}
else
{
if (queueHelper.EntryIsAtTheReady(entryToDelete))
{
_context.QueueEntries.Remove(entryToDelete);
await _context.SaveChangesAsync();
return(Ok()); // TODO: Check/Update ETA?
}
else
{
return(BadRequest("Entry is not ready yet"));
}
}
}
public async Task <IActionResult> GetPositionInQueue(int queueEntryId)
{
QueueEntryModel queueEntry = await _context.QueueEntries.FindAsync(queueEntryId);
if (queueEntry == null)
{
return(BadRequest("Entry not found"));
}
QueueModel queue = await _context.Queues.FindAsync(queueEntry.QueueId);
if (queueEntry == null)
{
return(BadRequest("Queue not found"));
}
int entriesBefore = _context.QueueEntries.Where(entry => entry.EntryTime < queueEntry.EntryTime &&
entry.QueueId == queueEntry.QueueId).Count();
int position = entriesBefore - queue.AtTheReadyCount;
return(Ok(position < 0 ? 1 : ++position));
}
public QueueEntryErrorableModel(QueueEntryModel qem) : base(qem)
{
HasError = false;
ErrorMessage = "";
}
