public async Task <DiscordCommandResult> SourceAsync(string path = null)
{
GitHubSource gitHubSource;
try
{
gitHubSource = await _sourceBrowser.GetPathAsync(path);
}
catch (HttpRequestException e) when(e.StatusCode == HttpStatusCode.NotFound)
{
return(Response("Requested file does not exist!"));
}
switch (gitHubSource)
{
case null:
return(Response("Something went wrong while fetching source."));
case GitHubSourceFile sourceFile when string.IsNullOrWhiteSpace(sourceFile.Content):
return(Response("The selected text is only whitespace."));
case GitHubSourceFile sourceFile when sourceFile.Content.Length > LocalMessageBase.MaxContentLength:
{
var stream = new MemoryStream(Encoding.Default.GetBytes(sourceFile.Content));
var msg = new LocalMessage().WithAttachments(new LocalAttachment(stream, gitHubSource.Filename));
return(Response(msg));
}
case GitHubSourceFile sourceFile:
return(Response(Markdown.CodeBlock(sourceFile.Filename.Split('.').Last(), sourceFile.Content)));
case GitHubSourceDirectory sourceDirectory:
{
var view = new SelectionPagedView(new SelectionPageProvider(Array.Empty <SelectionPage>()));
var pageProvider = new SelectionPageProvider(GetSourceCodePages(sourceDirectory, view));
view.SetPageProvider(pageProvider);
return(View(view));
}
default:
throw new ArgumentException($"The type of {nameof(gitHubSource)} was not expected!", nameof(gitHubSource));
}
}
private IEnumerable <SelectionPage> GetSourceCodePages(GitHubSourceDirectory sourceDirectory, SelectionPagedView view)
{
var pages = new List <SelectionPage>(sourceDirectory.Files.Count);
var fileListEmbed = new LocalEmbed()
.WithDefaultColor()
.WithTitle($"Directory: {sourceDirectory.Filename}")
.WithDescription("**Files**\n" + string.Join("\n", sourceDirectory.Files.Select(x => Markdown.Link(x.Filename, x.Url))));
var fileListPage = new Page().AddEmbed(fileListEmbed);
pages.Add(new SelectionPage(fileListPage, "./"));
async Task <Page> ParentFolderListPageFunc()
{
sourceDirectory = (GitHubSourceDirectory)await _sourceBrowser.GetPathAsync(sourceDirectory.Path + "/..");
view.SetPageProvider(new SelectionPageProvider(GetSourceCodePages(sourceDirectory, view)));
return(await view.PageProvider.GetPageAsync(view));
}
pages.Add(new SelectionPage(ParentFolderListPageFunc, "../"));
foreach (var file in sourceDirectory.Files)
{
async Task <Page> PageFunction()
{
var page = new Page();
var fetchedFile = await _sourceBrowser.GetPathAsync(file.Path);
switch (fetchedFile)
{
case GitHubSourceFile sourceFile:
{
if (sourceFile.Content.Length > LocalMessageBase.MaxContentLength)
{
return(page.WithContent($"File too large to display. View online: {Markdown.Link(sourceFile.Filename, sourceFile.Url)}"));
}
page.WithContent(Markdown.CodeBlock("csharp", sourceFile.Content));
break;
}
case GitHubSourceDirectory sourceDirectory:
{
view.SetPageProvider(new SelectionPageProvider(GetSourceCodePages(sourceDirectory, view)));
page = await view.PageProvider.GetPageAsync(view);
break;
}
}
return(page);
}
var page = new SelectionPage(PageFunction, file.Filename);
pages.Add(page);
}
return(pages);
}