public static async Task <TimerData> UnscheduleTimerAsync(DatabaseTimer timer, DiscordClient shard, DatabaseContextBuilder database, SharedData shared)
{
// lock the timers
await shared.TimerSempahore.WaitAsync();
try
{
// remove the requested timer
using (var db = database.CreateContext())
{
db.Timers.Remove(timer);
await db.SaveChangesAsync();
}
}
catch (Exception ex)
{
Console.WriteLine($"Caught Exception in Timer Unschedule: {ex.GetType().ToString()}\n{ex.StackTrace}");
}
finally
{
// release the lock
shared.TimerSempahore.Release();
}
// trigger a reschedule
return(await RescheduleTimers(shard, database, shared));
}
public async Task SetAsync(CommandContext ctx, [Description("When the reminder is to be sent"), RemainingText] string dataToParse)
{
await ctx.TriggerTypingAsync();
var(duration, text) = Dates.ParseTime(dataToParse);
if (string.IsNullOrWhiteSpace(text) || text.Length > 128)
{
await ctx.ElevatedRespondAsync(
"Reminder text must to be no longer than 128 characters, not empty and not whitespace.");
return;
}
#if !DEBUG
if (duration < TimeSpan.FromSeconds(30))
{
await ctx.ElevatedRespondAsync("Minimum required time span to set a reminder is 30 seconds.");
return;
}
#endif
if (duration > TimeSpan.FromDays(365)) // 1 year is the maximum
{
await ctx.ElevatedRespondAsync("Maximum allowed time span to set a reminder is 1 year.");
return;
}
var now = DateTimeOffset.UtcNow;
var dispatchAt = now + duration;
// create a new timer
var reminder = new DatabaseTimer
{
GuildId = (long)ctx.Guild.Id,
ChannelId = (long)ctx.Channel.Id,
UserId = (long)ctx.User.Id,
DispatchAt = dispatchAt.LocalDateTime,
ActionType = TimerActionType.Reminder
};
reminder.SetData(new TimerReminderData {
ReminderText = text
});
using (var db = this.Database.CreateContext())
{
db.Timers.Add(reminder);
await db.SaveChangesAsync();
}
// reschedule timers
await Timers.RescheduleTimers(ctx.Client, this.Database, this.Shared);
var emoji = DiscordEmoji.FromName(ctx.Client, ":alarm_clock:");
await ctx.SafeRespondAsync(
$"{emoji} Ok, in {duration.Humanize(4, minUnit: TimeUnit.Second)} I will remind you about the following:\n\n{text.BreakMentions()}");
}
/// <summary>
/// Creates new timer dispatcher information model.
/// </summary>
/// <param name="task">Task which will be dispatched.</param>
/// <param name="dbtimer">Database model with data about the timer.</param>
/// <param name="context">Context in which this timer is to be dispatched.</param>
/// <param name="db">Database connection builder for this timer.</param>
/// <param name="shared">Data shared across the shard.</param>
/// <param name="cts">Cancellation token source for this timer.</param>
public TimerData(Task task, DatabaseTimer dbtimer, DiscordClient context, DatabaseContextBuilder db, SharedData shared, CancellationTokenSource cts)
{
this.Timer = task;
this.DbTimer = dbtimer;
this.Context = context;
this.Database = db;
this.Shared = shared;
this.Cancel = cts;
}
public async Task AboutAsync(CommandContext ctx, DiscordMessage message, [RemainingText] string when)
{
await ctx.TriggerTypingAsync();
var(duration, text) = Dates.ParseTime(when);
if (duration > TimeSpan.FromDays(365)) // 1 year is the maximum
{
await ctx.ElevatedRespondAsync("Maximum allowed time span to set a reminder is 1 year.");
return;
}
string content = message.Content;
if (content.Length > 50)
{
content.Remove(50);
content += "...";
}
text = $"**{message.Author.Username}#{message.Author.Discriminator}:**\n{content}\n\n({message.Id})\n{Shared.Emojis.JumpLink.ToString()} {message.JumpLink}";
var now = DateTimeOffset.UtcNow;
var dispatchAt = now + duration;
// create a new timer
var reminder = new DatabaseTimer
{
GuildId = (long)ctx.Guild.Id,
ChannelId = (long)ctx.Channel.Id,
UserId = (long)ctx.User.Id,
DispatchAt = dispatchAt.LocalDateTime,
ActionType = TimerActionType.Reminder
};
reminder.SetData(new TimerReminderData {
ReminderText = text
});
using (var db = this.Database.CreateContext())
{
db.Timers.Add(reminder);
await db.SaveChangesAsync();
}
// reschedule timers
await Timers.RescheduleTimers(ctx.Client, this.Database, this.Shared);
var emoji = DiscordEmoji.FromName(ctx.Client, ":alarm_clock:");
await ctx.SafeRespondAsync(
$"{emoji} Ok, in {duration.Humanize(4, minUnit: TimeUnit.Second)} I will remind you about the following message:\n\n{content}\n\n({message.Id})");
}