public async Task UnsubscribeAsync(CommandContext ctx,
[Description("Channel URL or subscription name.")] string name_url)
{
if (string.IsNullOrWhiteSpace(name_url))
{
throw new InvalidCommandUsageException("Channel URL missing.");
}
using (DatabaseContext db = this.Database.CreateContext()) {
db.RssSubscriptions.RemoveRange(db.RssSubscriptions.Where(s => s.GuildId == ctx.Guild.Id && s.ChannelId == ctx.Channel.Id && s.Name == name_url));
await db.SaveChangesAsync();
}
string chid = await ctx.Services.GetService <YtService>().ExtractChannelIdAsync(name_url);
if (!(chid is null))
{
string feedurl = YtService.GetRssUrlForChannel(chid);
using (DatabaseContext db = this.Database.CreateContext()) {
DatabaseRssSubscription sub = db.RssSubscriptions
.SingleOrDefault(s => s.ChannelId == ctx.Channel.Id && s.DbRssFeed.Url == feedurl);
if (!(sub is null))
{
db.RssSubscriptions.Remove(sub);
await db.SaveChangesAsync();
}
}
}
await this.InformAsync(ctx, "Unsubscribed!", important : false);
}
public async Task ExecuteGroupAsync(CommandContext ctx,
[RemainingText, Description("Name of the subscription.")] string name)
{
using (DatabaseContext db = this.Database.CreateContext()) {
DatabaseRssSubscription sub = db.RssSubscriptions.SingleOrDefault(s => s.GuildId == ctx.Guild.Id && s.ChannelId == ctx.Channel.Id && s.Name == name);
if (sub == null)
{
throw new CommandFailedException("Not subscribed to a feed with that name!");
}
db.RssSubscriptions.Remove(sub);
await db.SaveChangesAsync();
}
await this.InformAsync(ctx, $"Unsubscribed from feed with name {Formatter.Bold(name)}", important : false);
}
