public async Task ShouldthrowExceptionWhenInvalidNumberIsPassed(int number)
{
// Arrange
var maxNumber = 690;
var latestResponseHandler = PrepareMockResponseHandlerForLatest(maxNumber);
var httpClient = PrepareHttpClient(latestResponseHandler);
_mockHttpClientFactory.Setup(f => f.CreateClient(It.IsAny <string>())).Returns(httpClient);
Func <Task> action = async() => await xkcdService.GetComicAsync(number);
// Act and Assert
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(action);
}
public async Task GetXkcdAsync(int number)
{
try
{
var comic = await xkcdService.GetComicAsync(number).ConfigureAwait(false);
await EmbedComicAsync(comic, Context.Channel).ConfigureAwait(false);
}
catch (ArgumentOutOfRangeException)
{
await ReplyAsync("The specified comic does not exist!").ConfigureAwait(false);
}
catch (Exception ex)
{
logger.LogError(ex, "Error while getting xkcd comic");
}
}
public async Task GetXkcdAsync(CommandContext ctx, [Description("Random comic if left empty, specific comic by number or latest by supplying \"latest\"")] string arg = "")
{
XkcdResponse comic = null;
if (arg.Equals("latest", StringComparison.OrdinalIgnoreCase))
{
comic = await _xkcdService.GetLatestComicAsync();
}
else if (int.TryParse(arg, out int comicNumber))
{
try
{
comic = await _xkcdService.GetComicAsync(comicNumber);
}
catch (ArgumentOutOfRangeException)
{
await ctx.ErrorAsync("The specified comic does not exist!");
return;
}
catch (Exception ex)
{
_logger.LogError(ex, "Error while getting xkcd comic");
return;
}
}
else
{
comic = await _xkcdService.GetRandomComicAsync();
}
string comicUrl = _xkcdService.GetComicUrl(comic.Number).ToString();
var builder = new DiscordEmbedBuilder()
.WithImageUrl(comic.ImgUrl)
.WithAuthor($"xkcd #{comic.Number}", comicUrl, "https://xkcd.com/s/0b7742.png")
.WithTitle(comic.SafeTitle)
.WithDescription(comic.Alt);
if (int.TryParse(comic.Year, out int year) && int.TryParse(comic.Month, out int month) && int.TryParse(comic.Day, out int day))
{
var date = new DateTime(year, month, day);
builder.WithFooter(date.ToString("yyyy-MM-dd"));
}
await ctx.RespondAsync(builder.Build());
}