public async Task <IPerformanceData[]> RequestProcess(IPerformanceFilter filter, CancellationToken cancellationToken)
{
Trace.TraceInformation("PlayBillResolver.RequestProcess started");
DateTime[] months = filter.StartDate.GetMonthsBetween(filter.EndDate);
List <IPerformanceData> performances = new List <IPerformanceData>();
foreach (var dateTime in months)
{
cancellationToken.ThrowIfCancellationRequested();
string content = await Request(dateTime, cancellationToken);
performances.AddRange(await _playbillParser.Parse(content, cancellationToken));
}
cancellationToken.ThrowIfCancellationRequested();
IEnumerable <IPerformanceData> filtered = performances.Where(item => _filterChecker.IsDataSuitable(item, filter)).ToArray();
Task[] resolvePricesTasks = filtered
.Select(item => Task.Run(async() =>
{
item.MinPrice = (await _ticketParser.ParseFromUrl(item.Url, cancellationToken)).GetMinPrice();
}, cancellationToken)).ToArray();
await Task.WhenAll(resolvePricesTasks.ToArray());
Trace.TraceInformation(" PlayBillResolver.RequestProcess finished");
return(filtered.ToArray());
}
public async Task <bool> ProcessSubscriptions()
{
await using var dbContext = _dbService.GetDbContext();
Trace.TraceInformation("Process subscriptions started");
PlaybillChangeEntity[] changes = dbContext.PerformanceChanges
.Include(c => c.PlaybillEntity)
.ThenInclude(p => p.Performance)
.ThenInclude(p => p.Type)
.Include(c => c.PlaybillEntity)
.ThenInclude(p => p.Performance)
.ThenInclude(p => p.Location)
.AsNoTracking()
.ToArray();
bool dbIsDirty = false;
foreach (SubscriptionEntity subscription in dbContext.Subscriptions.Include(s => s.PerformanceFilter))
{
var filter = subscription.PerformanceFilter;
PlaybillChangeEntity[] performanceChanges = filter.PerformanceId >= 0
? changes
.Where(p => p.PlaybillEntity.PerformanceId == filter.PerformanceId &&
p.LastUpdate > subscription.LastUpdate &&
(subscription.TrackingChanges & p.ReasonOfChanges) != 0)
.OrderBy(p => p.LastUpdate).ToArray()
: changes
.Where(p => _filterChecker.IsDataSuitable(p.PlaybillEntity.Performance.Location.Name,
p.PlaybillEntity.Performance.Type.TypeName, p.PlaybillEntity.When, subscription.PerformanceFilter) &&
p.LastUpdate > subscription.LastUpdate &&
(subscription.TrackingChanges & p.ReasonOfChanges) != 0)
.OrderBy(p => p.LastUpdate).ToArray();
if (!performanceChanges.Any() || !await SendMessages(subscription, performanceChanges))
{
continue;
}
subscription.LastUpdate = performanceChanges.Last().LastUpdate;
dbIsDirty = true;
}
if (dbIsDirty)
{
await dbContext.SaveChangesAsync();
}
Trace.TraceInformation("Process subscription finished");
return(true);
}
public async Task <IPerformanceData[]> RequestProcess(DateTime startDate, DateTime endDate, IPerformanceFilter filter)
{
string content = await Request(startDate);
IPerformanceData[] perfomances = _playBillParser.Parse(content).GetAwaiter().GetResult();
IList <Task> tasks = new List <Task>();
var filtredList = perfomances.Where(item => _filterChecker.IsDataSuitable(item, filter));
foreach (var item in filtredList)
{
tasks.Add(Task.Run(async() => item.Tickets = await _ticketParser.ParseFromUrl(item.Url)));
}
Task.WaitAll(tasks.ToArray());
Trace.TraceInformation("Parsing finished");
Trace.TraceInformation("");
return(filtredList.ToArray());
}