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 (var dc = this.Database.CreateContext())
{
dc.RssSubscriptions.RemoveRange(dc.RssSubscriptions.Where(s => s.GuildId == ctx.Guild.Id && s.ChannelId == ctx.Channel.Id && s.Name == name_url));
await dc.SaveChangesAsync();
}
string chid = await ctx.Services.GetService <YtService>().ExtractChannelIdAsync(name_url);
if (!(chid is null))
{
string feedurl = YtService.GetRssUrlForChannel(chid);
using (var dc = this.Database.CreateContext())
{
var sub = dc.RssSubscriptions.SingleOrDefault(s => s.ChannelId == ctx.Channel.Id && s.DbRssFeed.Url == feedurl);
if (!(sub is null))
{
dc.RssSubscriptions.Remove(sub);
await dc.SaveChangesAsync();
}
}
}
await this.InformAsync(ctx, "Unsubscribed!", important : false);
}
public async Task SubscribeAsync(CommandContext ctx,
[Description("Channel URL.")] string url,
[Description("Friendly name.")] string name = null)
{
string chid = await ctx.Services.GetService <YtService>().ExtractChannelIdAsync(url);
if (chid is null)
{
throw new CommandFailedException("Failed retrieving channel ID for that URL.");
}
string feedurl = YtService.GetRssUrlForChannel(chid);
await this.Database.SubscribeAsync(ctx.Guild.Id, ctx.Channel.Id, feedurl, string.IsNullOrWhiteSpace(name)?url : name);
await this.InformAsync(ctx, "Subscribed!", important : false);
}
public void GetRssUrlForChannelTest()
{
if (this.yt.IsDisabled())
{
Assert.Inconclusive("Service has not been properly initialized.");
}
Assert.IsNotNull(YtService.GetRssUrlForChannel("UCuAXFkgsw1L7xaCfnd5JJOw"));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel(null));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel(""));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel(" "));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel("\n"));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel("/"));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel("test|"));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel("@4"));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel("user/123"));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel("*user"));
Assert.Throws <ArgumentException>(() => YtService.GetRssUrlForChannel("* user"));
}