public async Task SaveAct(ActInfo actModel)
{
var act = await repository.GetOrInsertAct(actModel.ActGuid);
var lastActDescription = act.Descriptions
.OrderByDescending(description => description.ModifiedDate)
.FirstOrDefault();
if (lastActDescription == null ||
lastActDescription.Title != actModel.Title ||
lastActDescription.ImageHash != actModel.ImageHash)
{
var modifiedTicks = lastActDescription?.ModifiedDate.Ticks ?? 0;
if (modifiedTicks != actModel.LastModifiedTicks)
{
throw new DbUpdateConcurrencyException("A new update has occurred since you loaded the page. Please refresh and try again.");
}
await repository.AddAsync(new ActDescription
{
ModifiedDate = DateTime.UtcNow,
Act = act,
Title = actModel.Title,
ImageHash = actModel.ImageHash
});
await repository.SaveChangesAsync();
}
}
public async Task DeleteVenue(Guid venueGuid)
{
var venue = await repository.GetOrInsertVenue(venueGuid);
await repository.AddAsync(new VenueRemoved
{
Venue = venue,
RemovedDate = DateTime.UtcNow
});
await repository.SaveChangesAsync();
}
public async Task CancelShow(Guid actGuid, Guid venueGuid, DateTimeOffset startTime)
{
var show = await repository.GetOrInsertShow(actGuid, venueGuid, startTime);
await repository.AddAsync(new ShowCancelled
{
Show = show,
CancelledDate = DateTime.UtcNow
});
await repository.SaveChangesAsync();
}