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config.wyam
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config.wyam
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#n Wyam.Yaml
#n Wyam.Razor
#n Wyam.Markdown
#n Wyam.Json
#n Wyam.Sass
#n Wyam.Minification
#n Wyam.Feeds
#n Octokit -v 0.29.0
#n AngleSharp -v 0.9.9.1
#n Microsoft.SyndicationFeed.ReaderWriter -v 1.0.2
using System.Collections.Concurrent;
using System.Threading.Tasks;
using System.Net;
using System.Xml;
using Octokit;
using AngleSharp;
using Microsoft.SyndicationFeed;
using Microsoft.SyndicationFeed.Rss;
using Microsoft.SyndicationFeed.Atom;
using Newtonsoft.Json;
using System.IO;
Settings[Keys.Host] = "discoverdot.net";
Settings[Keys.LinksUseHttps] = true;
//////////////////////////////////////////////////////////////////////
// Pipelines
//////////////////////////////////////////////////////////////////////
// Projects and Issues
//////////////////////////////////////////////////////////////////////
Pipelines.Add("Projects",
ReadFiles("data/projects/*.yml"),
If(ctx => ctx.Bool("Preview"),
OrderBy((doc, ctx2) => doc.Source),
Take(10)),
Yaml(),
Content(string.Empty),
Execute((inputs, ctx, _) => GetProjectGitHubData(inputs, ctx).Result),
Execute((inputs, ctx, _) => GetProjectNuGetData(inputs, ctx).Result),
Meta("Key", (doc, ctx) => doc.Source.FileNameWithoutExtension.FullPath),
Meta(Keys.RelativeFilePath, (doc, ctx) => "projects/" + doc.Source.FileName.ChangeExtension(".html")),
Razor()
.WithLayout("/projects/_Layout.cshtml"),
WriteFiles(),
Meta("Link", (doc, ctx) => ctx.GetLink(doc)),
Meta("DonationsData", (doc, ctx) => doc.GetMetadata(
"Website",
"NuGet",
"Source",
"Donations"
)),
Meta("SearchData", (doc, ctx) => doc.GetMetadata(
"Key",
"Title",
"Description",
"StargazersCount",
"Tags"
)),
Meta("CardData", (doc, ctx) => doc.GetMetadata(
"Key",
"Title",
"Link",
"Image",
"NuGet",
"Source",
"Description",
"StargazersCount",
"ForksCount",
"OpenIssuesCount",
"PushedAt",
"Website",
"Donations",
"Language",
"Tags",
"DiscoveryDate",
"Comment",
"Platform",
"Microsoft",
"Foundation"
))
);
Pipelines.Add("Project Data",
GenerateJson((doc, ctx) =>
ctx.Documents.FromPipeline("Projects").Select(x => x["CardData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/projects.json")
);
Pipelines.Add("Individual Project Data",
Documents("Projects"),
GenerateJson((doc, ctx) => doc["CardData"])
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/projects/" + doc.Source.FileName.ChangeExtension(".json"))
);
Pipelines.Add("Project Search Data",
GenerateJson((doc, ctx) =>
ctx.Documents.FromPipeline("Projects").Select(x => x["SearchData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/search/projects.json")
);
Pipelines.Add("Donations Data",
GenerateJson((doc, ctx) =>
ctx.Documents.FromPipeline("Projects")
.Where(x => x.ContainsKey("Donations"))
.Select(x => x.GetMetadata(
"Title",
"Website",
"NuGet",
"Source",
"Donations"
))
)
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/donations.json")
);
Pipelines.Add("Project Keys",
GenerateJson((doc, ctx) =>
ctx.Documents.FromPipeline("Projects")
.Select(x => x.GetMetadata(
"Key",
"Title",
"Link")))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/project-keys.json")
);
// Blogs and Posts
//////////////////////////////////////////////////////////////////////
Pipelines.Add("Blogs",
ReadFiles("data/blogs/*.yml"),
If(ctx => ctx.Bool("Preview"),
OrderBy((doc, ctx2) => doc.Source),
Take(5)),
Yaml(),
Content(string.Empty),
Execute((inputs, ctx, _) => GetFeedData(inputs, ctx).Result.Where(x => x != null)),
Meta("Key", (doc, ctx) => doc.Source.FileNameWithoutExtension.FullPath),
Meta(Keys.RelativeFilePath, (doc, ctx) => "blogs/" + doc.Source.FileName.ChangeExtension(".html")),
Meta("Language", (doc, ctx) => doc.String("Language", "English")),
Razor()
.WithLayout("/blogs/_Layout.cshtml"),
WriteFiles(),
Meta("Link", (doc, ctx) => ctx.GetLink(doc)),
Meta("SearchData", (doc, ctx) => doc.GetMetadata(
"Key",
"Title",
"Description"
)),
Meta("CardData", (doc, ctx) => doc.GetMetadata(
"Key",
"Title",
"Image",
"Link",
"Description",
"Author",
"Website",
"Feed",
"Comment",
"Language",
"LastPublished",
"NewestFeedItem",
"DiscoveryDate"
))
);
Pipelines.Add("Blog Data",
GenerateJson((doc, ctx) =>
@ctx.Documents.FromPipeline("Blogs").Select(x => x["CardData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/blogs.json")
);
Pipelines.Add("Individual Blog Data",
Documents("Blogs"),
GenerateJson((doc, ctx) => doc["CardData"])
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/blogs/" + doc.Source.FileName.ChangeExtension(".json"))
);
Pipelines.Add("Blog Search Data",
GenerateJson((doc, ctx) =>
ctx.Documents.FromPipeline("Blogs").Select(x => x["SearchData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/search/blogs.json")
);
Pipelines.Add("Posts",
Documents("Blogs"),
Where((doc, ctx) => doc.ContainsKey("FeedItems") && doc.String("Language") == "English"),
GenerateJson((doc, ctx) => doc["FeedItems"])
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/posts/" + doc.Source.FileName.ChangeExtension(".json"))
);
Pipelines.Add("Post Search Data",
GenerateJson((doc, ctx) => ctx.Documents.FromPipeline("Blogs")
.Where(d => d.ContainsKey("FeedItems") && d.String("Language") == "English")
.SelectMany(d => d.Get<IEnumerable<FeedItemData>>("FeedItems")
.Select(i => new
{
Title = i.Title,
Link = i.Link,
Published = i.Published
})))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/search/posts.json")
);
// Broadcasts and Episodes
//////////////////////////////////////////////////////////////////////
Pipelines.Add("Broadcasts",
ReadFiles("data/broadcasts/*.yml"),
If(ctx => ctx.Bool("Preview"),
OrderBy((doc, ctx2) => doc.Source),
Take(5)),
Yaml(),
Content(string.Empty),
Execute((inputs, ctx, _) => GetFeedData(inputs, ctx).Result.Where(x => x != null)),
Meta("Key", (doc, ctx) => doc.Source.FileNameWithoutExtension.FullPath),
Meta(Keys.RelativeFilePath, (doc, ctx) => "broadcasts/" + doc.Source.FileName.ChangeExtension(".html")),
Meta("Language", (doc, ctx) => doc.String("Language", "English")),
Razor()
.WithLayout("/broadcasts/_Layout.cshtml"),
WriteFiles(),
Meta("Link", (doc, ctx) => ctx.GetLink(doc)),
Meta("SearchData", (doc, ctx) => doc.GetMetadata(
"Key",
"Title",
"Description"
)),
Meta("CardData", (doc, ctx) => doc.GetMetadata(
"Key",
"Title",
"Image",
"Link",
"Description",
"Author",
"Website",
"Feed",
"Comment",
"Language",
"LastPublished",
"NewestFeedItem",
"DiscoveryDate"
))
);
Pipelines.Add("Broadcast Data",
GenerateJson((doc, ctx) =>
@ctx.Documents.FromPipeline("Broadcasts").Select(x => x["CardData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/broadcasts.json")
);
Pipelines.Add("Individual Broadcast Data",
Documents("Broadcasts"),
GenerateJson((doc, ctx) => doc["CardData"])
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/broadcasts/" + doc.Source.FileName.ChangeExtension(".json"))
);
Pipelines.Add("Broadcast Search Data",
GenerateJson((doc, ctx) =>
ctx.Documents.FromPipeline("Broadcasts").Select(x => x["SearchData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/search/broadcasts.json")
);
Pipelines.Add("Episodes",
Documents("Broadcasts"),
Where((doc, ctx) => doc.ContainsKey("FeedItems") && doc.String("Language") == "English"),
GenerateJson((doc, ctx) => doc["FeedItems"])
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/episodes/" + doc.Source.FileName.ChangeExtension(".json"))
);
Pipelines.Add("Episode Search Data",
GenerateJson((doc, ctx) => ctx.Documents.FromPipeline("Episodes")
.Where(d => d.ContainsKey("FeedItems") && d.String("Language") == "English")
.SelectMany(d => d.Get<IEnumerable<FeedItemData>>("FeedItems")
.Select(i => new
{
Title = i.Title,
Link = i.Link,
Published = i.Published
})))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/search/episodes.json")
);
// Groups And Events
//////////////////////////////////////////////////////////////////////
Pipelines.Add("Groups",
ReadFiles("data/groups/*.yml"),
If(ctx => ctx.Bool("Preview"),
OrderBy((doc, ctx2) => doc.Source),
Take(10)),
Yaml(),
Content(string.Empty),
Execute((inputs, ctx, _) => GetMeetupData(inputs, ctx).Result),
Meta("Link", (doc, ctx) => doc.String("Website")),
Meta("CardType", "Group"),
Meta("CardData", (doc, ctx) => doc.GetMetadata(
"Website",
"Title",
"Image",
"Location",
"Country",
"Lat",
"Lon",
"CardType",
"Comment",
"NextEventWebsite",
"NextEventTitle",
"NextEventDate",
"NextEventTime",
"DiscoveryDate"
))
);
Pipelines.Add("Group Data",
GenerateJson((doc, ctx) =>
@ctx.Documents.FromPipeline("Groups").Select(x => x["CardData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/groups.json")
);
Pipelines.Add("Events",
ReadFiles("data/events/*.yml"),
If(ctx => ctx.Bool("Preview"),
OrderBy((doc, ctx2) => doc.Source),
Take(10)),
Yaml(),
Concat(
Documents("Groups"),
Where((doc, ctx) => doc.ContainsKey("NextEvent")),
Execute((doc, ctx) => ctx.GetDocument((MetadataItems)doc["NextEvent"]))
),
OrderBy((doc, ctx) => doc.String("Date")),
Content(string.Empty),
Meta("Link", (doc, ctx) => doc.String("Website")),
Meta("CardType", "Event"),
Meta("CardData", (doc, ctx) => doc.GetMetadata(
"Website",
"Title",
"Description",
"Image",
"Location",
"Country",
"Lat",
"Lon",
"Date",
"EndDate",
"Time",
"EndTime",
"CardType",
"Comment",
"NextEvent",
"DiscoveryDate"
))
);
Pipelines.Add("Event Data",
GenerateJson((doc, ctx) =>
@ctx.Documents.FromPipeline("Events").Select(x => x["CardData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/events.json")
);
// Resources
//////////////////////////////////////////////////////////////////////
Pipelines.Add("Resources",
ReadFiles("data/resources/*.yml"),
If(ctx => ctx.Bool("Preview"),
OrderBy((doc, ctx2) => doc.Source),
Take(10)),
Yaml(),
Content(string.Empty),
Meta("Link", (doc, ctx) => doc.String("Website")),
Meta("CardType", "Resource"),
Meta("SearchData", (doc, ctx) => doc.GetMetadata(
"Website",
"Title",
"Description",
"Tags"
)),
Meta("CardData", (doc, ctx) => doc.GetMetadata(
"Website",
"Title",
"Image",
"Description",
"CardType",
"Comment",
"Tags",
"DiscoveryDate"
))
);
Pipelines.Add("Resource Data",
GenerateJson((doc, ctx) =>
@ctx.Documents.FromPipeline("Resources").Select(x => x["CardData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/resources.json")
);
Pipelines.Add("Resource Search Data",
GenerateJson((doc, ctx) =>
ctx.Documents.FromPipeline("Resources").Select(x => x["SearchData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/search/resources.json")
);
// Aggregate, Pages, and Resources
//////////////////////////////////////////////////////////////////////
Pipelines.Add("News",
GenerateJson((doc, ctx) => ctx.Documents.FromPipeline("Posts")
.Concat(ctx.Documents.FromPipeline("Episodes"))
.SelectMany(d => d.Get<IEnumerable<FeedItemData>>("FeedItems")
.Where(p => p.Recent)
.Select(p => new
{
FeedLink = d.String("Link"),
FeedTitle = d.String("Title"),
Published = p.Published,
Link = p.Link,
Title = p.Title,
Links = p.Links,
Author = p.Author
}))
.OrderByDescending(x => x.Published))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/news.json")
);
Pipelines.Add("Discoveries",
Documents("Projects"),
Concat(
Documents("Blogs")
),
Concat(
Documents("Broadcasts")
),
Concat(
Documents("Groups")
),
Concat(
Documents("Events")
),
Concat(
Documents("Resources")
),
Where(@doc.ContainsKey("DiscoveryDate")),
Where(@doc.DateTime("DiscoveryDate") <= DateTime.Today),
OrderBy(@doc.DateTime("DiscoveryDate"))
.Descending()
);
Pipelines.Add("Discovery",
Documents("Discoveries"),
Take(1),
GenerateJson((doc, ctx) => doc["CardData"])
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/discovery.json")
);
Pipelines.Add("Past Discoveries",
GenerateJson(ctx =>
ctx.Documents.FromPipeline("Discoveries")
.Skip(1)
.Take(4)
.Select(x => x["CardData"]))
.WithCamelCase(),
MinifyJs(),
WriteFiles((doc, ctx) => "data/past-discoveries.json")
);
Pipelines.Add("Pages",
ReadFiles("**/{!_,}*.md"),
FrontMatter(Yaml()),
Markdown()
.UseExtensions(),
WriteFiles(".html").OnlyMetadata(),
Razor()
.WithLayout("/_MarkdownLayout.cshtml"),
Concat(
ReadFiles("**/{!_,}*.cshtml"),
FrontMatter(Yaml()),
WriteFiles(".html").OnlyMetadata(),
Razor()
.WithLayout("/_Layout.cshtml")
),
WriteFiles()
);
Pipelines.Add("Sass",
ReadFiles("**/{!_,}*.scss"),
Sass()
.WithCompactOutputStyle(),
WriteFiles()
);
Pipelines.Add("Site Resources",
CopyFiles("**/*{!.cshtml,!.md,!.less,!.yml,!.scss,}")
);
// Feeds
//////////////////////////////////////////////////////////////////////
Pipelines.Add("News Feed",
Documents("Posts"),
Concat(Documents("Episodes")),
Where((doc, ctx) => doc.Get<FeedItemData>("FeedItems").Recent),
OrderBy((doc, ctx) => doc.Get<FeedItemData>("FeedItems").Published).Descending(),
GenerateFeeds()
.WithAtomPath(_ => "feeds/news.atom")
.WithRssPath(_ => "feeds/news.rss")
.WithFeedTitle(_ => "Recent News From Discover .NET")
.WithFeedDescription(_ => "A roundup of recent blog posts, podcasts, and more.")
.WithItemTitle((doc, ctx) => doc.Get<FeedItemData>("FeedItems").Title)
.WithItemDescription((doc, ctx) => doc.Get<FeedItemData>("FeedItems").Description)
.WithItemPublished((doc, ctx) => doc.Get<FeedItemData>("FeedItems").Published.DateTime)
.WithItemLink((doc, ctx) => doc.Get<FeedItemData>("FeedItems").Link)
.WithItemId((doc, ctx) => doc.Get<FeedItemData>("FeedItems").Link)
.WithItemAuthor((doc, ctx) =>
doc.Get<FeedItemData>("FeedItems").Author
?? doc.String("Author")
?? doc.String("Title")
)
.WithItemImageLink((doc, ctx) => null),
WriteFiles()
);
Pipelines.Add("Discoveries Feed",
Documents("Discoveries"),
Take(10),
GenerateFeeds()
.WithAtomPath(_ => "feeds/discoveries.atom")
.WithRssPath(_ => "feeds/discoveries.rss")
.WithFeedTitle(_ => "Recent Discoveries From Discover .NET")
.WithFeedDescription(_ => "A new discovery (almost) every day.")
.WithItemTitle((doc, ctx) => doc.String("Title"))
.WithItemDescription((doc, ctx) => doc.String("Description"))
.WithItemPublished((doc, ctx) => doc.DateTime("DiscoveryDate"))
.WithItemLink((doc, ctx) => ctx.GetLink(doc.String("Link"), true))
.WithItemId((doc, ctx) => ctx.GetLink(doc.String("Link"), true))
.WithItemImageLink((doc, ctx) => null),
WriteFiles()
);
//////////////////////////////////////////////////////////////////////
// Helpers
//////////////////////////////////////////////////////////////////////
public async Task<IEnumerable<IDocument>> GetProjectGitHubData(IReadOnlyList<IDocument> inputs, IExecutionContext context)
{
string[] microsoftOwners = new []
{
"dotnet",
"aspnet",
"microsoft",
"nuget",
"mono",
"azure"
};
GitHubClient github = new GitHubClient(new ProductHeaderValue("discoverdotnet"))
{
Credentials = new Credentials(context.String("GitHubToken"))
};
DateTimeOffset oneDayAgo = DateTimeOffset.Now.AddHours(-24);
Wyam.Common.Tracing.Trace.Information($"Getting .NET Foundation readme");
string foundationReadme;
using(System.Net.WebClient webClient = new System.Net.WebClient())
{
foundationReadme = await webClient.DownloadStringTaskAsync("https://raw.githubusercontent.com/dotnet/home/master/README.md");
}
// Even though it's much slower, we have to query the GitHub API sequentially or else we'll trigger the abuse detection mechanisms:
// "Make requests for a single user or client ID serially. Do not make requests for a single user or client ID concurrently."
// https://developer.github.com/v3/guides/best-practices-for-integrators/#dealing-with-abuse-rate-limits
List<IDocument> outputs = new List<IDocument>();
foreach(IDocument input in inputs)
{
IDocument output = input;
// Extract the GitHub owner and name
Uri source;
if(Uri.TryCreate(input.String("Source"), UriKind.Absolute, out source)
&& source.Host.EndsWith("github.com", StringComparison.OrdinalIgnoreCase))
{
string owner = source.Segments[1].Trim('/');
string name = source.Segments[2].Trim('/');
int tries = 2;
while(true)
{
// Connect to GitHub and get the repository
try
{
Wyam.Common.Tracing.Trace.Information($"Getting GitHub data for {owner}/{name}");
Repository repository = await github.Repository.Get(owner, name);
// Get the metadata
MetadataItems metadata = new MetadataItems
{
{ "StargazersCount", repository.StargazersCount },
{ "ForksCount", repository.ForksCount },
{ "OpenIssuesCount", repository.OpenIssuesCount },
{ "PushedAt", repository.PushedAt },
{ "CreatedAt", repository.CreatedAt }
};
if(!input.ContainsKey("Title"))
{
metadata.Add("Title", repository.Name);
}
if(!input.ContainsKey("Description"))
{
metadata.Add("Description", repository.Description);
}
if(!input.ContainsKey("Website"))
{
metadata.Add("Website", repository.Homepage);
}
if(!input.ContainsKey("Microsoft") && microsoftOwners.Contains(owner, StringComparer.OrdinalIgnoreCase))
{
metadata.Add("Microsoft", true);
}
if(!input.ContainsKey("Foundation") && foundationReadme.IndexOf($"github.com/{owner}/{name}", StringComparison.OrdinalIgnoreCase) >= 0)
{
metadata.Add("Foundation", true);
}
// Get the readme
Wyam.Common.Tracing.Trace.Information($"Getting GitHub readme for {owner}/{name}");
try
{
string readme = await github.Repository.Content.GetReadmeHtml(owner, name);
if(!string.IsNullOrEmpty(readme))
{
metadata.Add("Readme", readme);
}
}
catch(Exception readmeEx)
{
Wyam.Common.Tracing.Trace.Information($"Exception getting GitHub readme for {owner}/{name}: {readmeEx.Message}");
}
// Return a document with GitHub metadata
output = context.GetDocument(input, metadata);
}
catch(Exception ex)
{
Wyam.Common.Tracing.Trace.Information($"Exception getting GitHub data for {owner}/{name}: {ex.Message}");
if(tries-- == 0)
{
throw;
}
continue;
}
break;
}
// Report on our API rate limit
MiscellaneousRateLimit rateLimit = await github.Miscellaneous.GetRateLimits();
Wyam.Common.Tracing.Trace.Information($"GitHub rate limit: {rateLimit.Resources.Core.Remaining} remaining");
}
outputs.Add(output);
}
return outputs;
}
public class VersionData
{
public string Version { get; }
public string Downloads { get; }
public DateTime LastUpdated { get; }
public VersionData(AngleSharp.Dom.IElement element)
{
Version = element.Children[1].TextContent.Replace("(current)", string.Empty).Trim();
Downloads = element.Children[2].TextContent.Trim();
LastUpdated = DateTime.Parse(element.QuerySelector("*[data-datetime]").GetAttribute("data-datetime"));
}
}
public class PackageData
{
public string Id { get; set; }
public string TotalDownloads { get; set; }
public string PerDayDownloads { get; set; }
public List<VersionData> Versions { get; set; } // In descending order
public VersionData LatestVersion => Versions.FirstOrDefault();
}
public async Task<IEnumerable<IDocument>> GetProjectNuGetData(IReadOnlyList<IDocument> inputs, IExecutionContext context)
{
AngleSharp.IConfiguration config = AngleSharp.Configuration.Default.WithDefaultLoader();
List<IDocument> outputs = new List<IDocument>();
foreach(IDocument input in inputs)
{
IDocument output = input;
List<PackageData> packageData = new List<PackageData>();
IReadOnlyList<string> packages = input.List<string>("NuGet", Array.Empty<string>());
foreach(string package in packages.Where(x => !string.IsNullOrWhiteSpace(x)))
{
Wyam.Common.Tracing.Trace.Information($"Getting NuGet data for {package}");
try
{
IBrowsingContext browsingContext = BrowsingContext.New(config);
AngleSharp.Dom.IDocument document = await browsingContext.OpenAsync($"https://www.nuget.org/packages/{package}");
if(document.StatusCode != System.Net.HttpStatusCode.OK)
{
Wyam.Common.Tracing.Trace.Warning($"Bad status code for {package}: {document.StatusCode}");
}
else if(document == null)
{
Wyam.Common.Tracing.Trace.Warning($"Could not get document for {package}");
}
else
{
PackageData data = new PackageData
{
Id = package
};
// Get statistics
AngleSharp.Dom.IElement statistics = document
.QuerySelectorAll(".package-details-info h2")
.First(x => x.TextContent == "Statistics")
.NextElementSibling;
data.TotalDownloads = statistics.Children
.First(x => x.TextContent.Contains("total downloads"))
.TextContent.Trim().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)[0];
data.PerDayDownloads = statistics.Children
.First(x => x.TextContent.Contains("per day"))
.TextContent.Trim().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)[0];
// Get versions
data.Versions = document
.QuerySelectorAll("#version-history table tbody tr")
.Select(x => new VersionData(x))
.ToList();
// Add the data
packageData.Add(data);
}
}
catch(Exception ex)
{
Wyam.Common.Tracing.Trace.Warning($"Error getting NuGet data for {package}: {ex.Message}");
}
}
if(packageData.Count > 0)
{
// Return a new document with package data
output = context.GetDocument(input, new MetadataItems
{
{ "NuGetPackages", packageData }
});
}
outputs.Add(output);
}
return outputs;
}
public class FeedItemData
{
public string Title { get; }
public string Link { get; }
public string Description { get; }
public DateTimeOffset Published { get; }
public bool Recent { get; }
public IDictionary<string, string> Links { get; }
public string Author { get; }
public FeedItemData(ISyndicationItem item, DateTimeOffset recent)
{
Title = item.Title;
Link = item.Links.FirstOrDefault(x => x.RelationshipType == RssLinkTypes.Alternate)?.Uri.ToString() ?? item.Id;
Published = item.Published != default(DateTimeOffset) ? item.Published : item.LastUpdated;
Recent = Published > recent;
Description = item.Description;
Links = item.Links
.Where(x => !string.IsNullOrEmpty(x.MediaType))
.GroupBy(x => x.MediaType)
.Select(x => x.First())
.ToDictionary(x => x.MediaType, x => x.Uri.ToString());
ISyndicationPerson person = item.Contributors.FirstOrDefault(x => x.RelationshipType == "author");
if(person != null)
{
Author = person.Name ?? person.Email;
}
AtomEntry atom = item as AtomEntry;
if(atom != null && !string.IsNullOrEmpty(atom.Summary))
{
Description = atom.Summary;
}
}
}
public async Task<IEnumerable<IDocument>> GetFeedData(IReadOnlyList<IDocument> inputs, IExecutionContext context)
{
DateTimeOffset recent = new DateTimeOffset(DateTime.Today.AddHours(context.Bool("Preview") ? -168 : -48));
return await Task.WhenAll(
inputs.Select(async input =>
{
string feed = input.String("Feed");
if(!string.IsNullOrEmpty(feed))
{
try
{
// Download the feed
Wyam.Common.Tracing.Trace.Information($"Getting feed for {feed}");
string website = null;
string title = null;
string author = null;
string description = null;
string image = null;
List<ISyndicationItem> items = new List<ISyndicationItem>();
using (WebClient webClient = new WebClient())
{
using (Stream stream = await webClient.OpenReadTaskAsync(feed))
{
using (StreamReader streamReader = new XmlStreamReader(stream))
{
using(XmlReader xmlReader = XmlReader.Create(streamReader, new XmlReaderSettings { Async = true, DtdProcessing = DtdProcessing.Ignore }))
{
xmlReader.MoveToContent();
bool atom = xmlReader.Name == "feed";
Wyam.Common.Tracing.Trace.Information($"Reading {feed} as " + (atom ? "Atom" : "RSS"));
XmlFeedReader feedReader = atom
? (XmlFeedReader)new AtomFeedReader(xmlReader, new DiscoverAtomParser())
: new RssFeedReader(xmlReader);
while(await feedReader.Read())
{
try
{
switch(feedReader.ElementType)
{
case SyndicationElementType.Person:
ISyndicationPerson person = await feedReader.ReadPerson();
if(person.RelationshipType == "author")
{
author = person.Name ?? person.Email;
}
break;
case SyndicationElementType.Image:
ISyndicationImage img = await feedReader.ReadImage();
image = img.Url.ToString();
break;
case SyndicationElementType.Link:
ISyndicationLink link = await feedReader.ReadLink();
website = link.Uri.ToString();
break;
case SyndicationElementType.Item:
ISyndicationItem item = await feedReader.ReadItem();
items.Add(item);
break;
case SyndicationElementType.None:
break;
default:
ISyndicationContent content = await feedReader.ReadContent();
if(string.Equals(content.Name, "title", StringComparison.OrdinalIgnoreCase))
{
title = content.Value;
}
else if(string.Equals(content.Name, "description", StringComparison.OrdinalIgnoreCase)
|| string.Equals(content.Name, "subtitle", StringComparison.OrdinalIgnoreCase))
{
description = content.Value;
}
break;
}
}
catch(Exception ex)
{
Wyam.Common.Tracing.Trace.Warning($"Exception while processing {feedReader.ElementType} in {feed}: {ex.Message}");
}
}
}
}
}
}
// Get a new document with feed metadata
MetadataItems metadata = new MetadataItems();
if(items.Count > 0)
{
FeedItemData[] feedItems = items
.Select(x => new FeedItemData(x, recent))
.OrderByDescending(x => x.Published)
.Take(50) // Only take the 50 most recent items
.ToArray();
metadata.Add("FeedItems", feedItems);
metadata.Add("LastPublished", feedItems.First().Published);
metadata.Add("NewestFeedItem", feedItems[0]);
};
if(!input.ContainsKey("Website") && !string.IsNullOrEmpty(website))
{
metadata.Add("Website", website);
}
if(!input.ContainsKey("Title") && !string.IsNullOrEmpty(title))
{
metadata.Add("Title", title);
}
if(!input.ContainsKey("Author") && !string.IsNullOrEmpty(author))
{
metadata.Add("Author", author);
}
if(!input.ContainsKey("Description") && !string.IsNullOrEmpty(description))
{
metadata.Add("Description", description);
}
if(!input.ContainsKey("Image") && !string.IsNullOrEmpty(image))
{
metadata.Add("Image", image);
}
return context.GetDocument(input, metadata);
}
catch(Exception ex)
{
Wyam.Common.Tracing.Trace.Warning($"Error getting feed for {feed}: {ex.Message}");
}
}
return null;
}));
}
// See https://github.com/dotnet/SyndicationFeedReaderWriter/issues/31
public class DiscoverAtomParser : AtomParser
{
public override IAtomEntry CreateEntry(ISyndicationContent content)
{
// Remove author and contributor entries if they don't contain an email or name
ICollection<ISyndicationContent> children = (ICollection<ISyndicationContent>)content.Fields;
ISyndicationContent author = children.FirstOrDefault(x => x.Name == AtomContributorTypes.Author);
if(author != null
&& author.Fields.FirstOrDefault(x => x.Name == "name")?.Value == null
&& author.Fields.FirstOrDefault(x => x.Name == "email")?.Value == null)
{
children.Remove(author);
}
ISyndicationContent contributor = children.FirstOrDefault(x => x.Name == AtomContributorTypes.Contributor);
if (contributor != null
&& contributor.Fields.FirstOrDefault(x => x.Name == "name")?.Value == null
&& contributor.Fields.FirstOrDefault(x => x.Name == "email")?.Value == null)
{
children.Remove(contributor);