public async Task CheckDueScheduledMessages()
{
using var scope = _serviceProvider.CreateScope();
var repo = ScheduledMessageRepository.CreateWithBotIdentity(scope.ServiceProvider);
var messages = await repo.GetDueMessages();
foreach (ScheduledMessage message in messages)
{
_logger.LogInformation($"Handling scheduled message {message.Id} for {message.GuildId}/{message.ChannelId} by {message.CreatorId}/{message.LastEditedById}.");
IGuild guild;
ITextChannel channel;
try
{
guild = _discordAPI.FetchGuildInfo(message.GuildId, CacheBehavior.OnlyCache);
if (guild == null)
{
throw new Exception();
}
} catch (Exception)
{
_logger.LogInformation($"Failed scheduled message {message.Id}. Reason unknown.");
await repo.SetMessageAsFailed(message.Id, ScheduledMessageFailureReason.Unknown);
continue;
}
try
{
channel = await guild.GetTextChannelAsync(message.ChannelId);
if (channel == null)
{
throw new Exception();
}
}
catch (Exception)
{
_logger.LogInformation($"Failed scheduled message {message.Id}. Reason channel not found.");
await repo.SetMessageAsFailed(message.Id, ScheduledMessageFailureReason.ChannelNotFound);
continue;
}
try
{
await channel.SendMessageAsync(message.Content);
await repo.SetMessageAsSent(message.Id);
_logger.LogInformation($"Sent scheduled message {message.Id} for {message.GuildId}/{message.ChannelId} by {message.CreatorId}/{message.LastEditedById}.");
}
catch (HttpException e)
{
if (e.HttpCode == HttpStatusCode.Unauthorized || e.HttpCode == HttpStatusCode.Forbidden)
{
_logger.LogInformation($"Failed scheduled message {message.Id}. Reason insufficient permission.");
await repo.SetMessageAsFailed(message.Id, ScheduledMessageFailureReason.InsufficientPermission);
}
else
{
_logger.LogInformation($"Failed scheduled message {message.Id}. Reason unknown");
await repo.SetMessageAsFailed(message.Id, ScheduledMessageFailureReason.Unknown);
}
}
catch (Exception)
{
_logger.LogInformation($"Failed scheduled message {message.Id}. Reason unknown");
await repo.SetMessageAsFailed(message.Id, ScheduledMessageFailureReason.Unknown);
}
}
}