public async Task <IActionResult> GetAvailableGroupDatesAsync()
{
VisitInfo recentInfo = null;
IVisitInfoDbService infoDbService = null;
ISightseeingGroupDbService groupDbService = null;
List <GroupInfo> availableDates = new List <GroupInfo>();
try
{
infoDbService = _dbServiceFactory[nameof(IVisitInfoDbService)] as IVisitInfoDbService;
groupDbService = _dbServiceFactory[nameof(ISightseeingGroupDbService)] as ISightseeingGroupDbService;
recentInfo = await GetRecentSightseeingInfoAsync(infoDbService);
if (!IsSightseeingDurationSet(recentInfo))
{
_logger.LogWarning($"{nameof(VisitInfo.SightseeingDuration)} is set to 0 hours.");
return(Ok(new ResponseWrapper(availableDates)));
}
// Calculate the latest date when you can still buy a ticket. MaxTicketOrderInterval is in weeks.
var maxTicketPurchaseDate = DateTime.Now.AddDays(recentInfo.MaxTicketOrderInterval * 7);
var dateTime = DateTime.Now;
var futureGroups = await groupDbService.GetByAsync(x => x.SightseeingDate > DateTime.Now);
// Create available sightseeing dates.
while (dateTime <= maxTicketPurchaseDate)
{
availableDates.AddRange(GetDailyDates(recentInfo, dateTime, futureGroups));
dateTime = dateTime.AddDays(1);
}
var response = new ResponseWrapper(availableDates);
return(Ok(response));
}
catch (InvalidOperationException ex)
{
_logger.LogWarning(ex, $"Element '{nameof(VisitInfo)}' not found.");
return(Ok(new ResponseWrapper(availableDates)));
}
catch (InternalDbServiceException ex) when(recentInfo is null)
{
// Exception thrown by IVisitInfoDbService instance.
LogInternalDbServiceException(ex, infoDbService.GetType());
throw;
}
catch (InternalDbServiceException ex) when(recentInfo != null)
{
// Exception thrown by ISightseeingGroupDbService instance.
LogInternalDbServiceException(ex, groupDbService.GetType());
throw;
}
catch (Exception ex)
{
LogUnexpectedException(ex);
throw;
}
}
private async Task <VisitInfo> GetRecentSightseeingInfoAsync(IVisitInfoDbService infoDbService)
{
var allInfo = await infoDbService.GetAllAsync();
return(allInfo.OrderByDescending(x => x.UpdatedAt == DateTime.MinValue ? x.CreatedAt : x.UpdatedAt).First());
}
public VisitInfoController(IVisitInfoDbService infoDbService, ILogger <VisitInfoController> logger, IMapper mapper) : base(logger)
{
_logger = logger;
_mapper = mapper;
_infoDbService = infoDbService;
}
