public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
if (!(context.ActionArguments.Values.FirstOrDefault(x => x is Update) is Update update))
{
context.Result = new StatusCodeResult(401);
return;
}
var extendedUpdate = userContextProvider.Set(update);
var id = extendedUpdate.Type == UpdateType.CallbackQuery
? extendedUpdate.CallbackQuery.From.Id
: extendedUpdate.RealMessage.From.Id;
telegramUserIdProvider.Set(id);
var dbUser = await loaderProvider
.Get <int, TelegramUser>()
.GetOrLoadAsync(id);
userContextProvider.SetDatabaseUser(dbUser);
var result = await next();
if (result.Exception != null)
{
await telegramUsersNotifier
.SendAsync((client, user) => client
.SendTextMessageAsync(user.Id, result.Exception.ToString()),
TelegramUserStates.Dev);
result.ExceptionHandled = true;
result.HttpContext.Response.StatusCode = 200;
}
}
private async Task OnPreSavingAsync(ITelegramUserIdProvider telegramUserIdProvider,
ILoaderProvider loaderProvider)
{
var entries = ChangeTracker.Entries()
.ToArray();
var user = await loaderProvider
.Get <int, TelegramUser>()
.GetOrLoadAsync(telegramUserIdProvider.ProvidedValue, true);
var now = DateTime.Now;
entries
.ForEach(x =>
{
if (!(x.Entity is Entity entity))
{
return;
}
switch (x.State)
{
case EntityState.Added:
entity.CreatedAt = now;
entity.CreatedBy = user;
break;
case EntityState.Modified:
entity.UpdatedAt = now;
entity.UpdatedBy = user;
break;
case EntityState.Deleted:
if (entity is ISoftDeletable softDeletable)
{
x.State = EntityState.Modified;
softDeletable.DeletedAt = now;
softDeletable.DeletedBy = user;
softDeletable.IsDeleted = true;
}
break;
}
});
// todo optimize
user.LastUpdatedAt = now;
if (entries
.Select(x => x.Entity)
.OfType <TelegramUser>()
.All(x => x.Id != user.Id))
{
Update(user);
}
}