private static async Task GetFavoriteIconAsync(Settings settings, TemplatingOptions options)
{
var iconUrl = settings.Icon;
if (string.IsNullOrWhiteSpace(settings.Icon))
{
iconUrl = "favicon.ico";
}
var httpClient = new HttpClient();
var response = await httpClient.GetAsync(new Uri(options.GhostUrl, iconUrl.Replace(settings.Url, string.Empty)));
if (response.IsSuccessStatusCode)
{
var iconBytes = await response.Content.ReadAsByteArrayAsync();
var path = iconUrl.Replace(settings.Url, string.Empty);
path = Path.Combine(options.OutputDirectory, path);
var fileInfo = new System.IO.FileInfo(path);
var directory = fileInfo.Directory;
if (!directory.Exists)
{
directory.Create();
}
File.WriteAllBytes(path, iconBytes);
}
}
private static async Task HandlePostAsync(Post post, Settings settings, TemplatingOptions options, IServiceProvider services, IRazorViewEngine engine, string type)
{
var httpContext = new DefaultHttpContext {
RequestServices = services
};
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var modelStateDictionary = new ModelStateDictionary();
var modelMetadataProvider = new EmptyModelMetadataProvider();
var tempDataProvider = new VirtualTempDataProvider();
var htmlHelperOptions = new HtmlHelperOptions();
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor, modelStateDictionary);
var viewDataDictionary = new ViewDataDictionary(modelMetadataProvider, modelStateDictionary);
var tempDataDictionary = new TempDataDictionary(httpContext, tempDataProvider);
viewDataDictionary.Model = post;
using (var stringWriter = new StringWriter())
{
var view = engine.GetView(".", $"/Templates/{type}.cshtml", true);
var viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
await view.View.RenderAsync(viewContext);
var result = stringWriter.ToString();
var directory = Path.Combine(options.OutputDirectory, post.Slug);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
await DownloadImagesFromPostAsync(post.HTML, settings, options);
if (type == "post")
{
//amp it
view = engine.GetView(".", $"/Templates/post-amp.cshtml", true);
viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
await view.View.RenderAsync(viewContext);
result = stringWriter.ToString();
directory = Path.Combine(directory, "amp");
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
}
}
}
private static void BuildSitemap(Page[] pages, Post[] posts, Author[] authors, Tag[] tags, Settings settings, TemplatingOptions options)
{
//build the index that ties the maps together
var siteIndex = new Sitemap.sitemapindex
{
sitemap = GetArray(
new Sitemap.tSitemap {
lastmod = DateTime.UtcNow.ToString("O"), loc = settings.Url + "sitemaps/pages.xml"
},
new Sitemap.tSitemap {
lastmod = DateTime.UtcNow.ToString("O"), loc = settings.Url + "sitemaps/posts.xml"
},
new Sitemap.tSitemap {
lastmod = DateTime.UtcNow.ToString("O"), loc = settings.Url + "sitemaps/authors.xml"
},
new Sitemap.tSitemap {
lastmod = DateTime.UtcNow.ToString("O"), loc = settings.Url + "sitemaps/tags.xml"
})
};
File.WriteAllBytes(Path.Combine(options.OutputDirectory, "sitemap.xml"), XmlSerialize(siteIndex));
var sitemapDirectory = Path.Combine(options.OutputDirectory, "sitemaps");
if (!Directory.Exists(sitemapDirectory))
{
Directory.CreateDirectory(sitemapDirectory);
}
var map = new Sitemap.urlset
{
url = pages.Select(page => new Sitemap.tUrl
{
changefreq = Sitemap.tChangeFreq.daily,
changefreqSpecified = true,
lastmod = page.UpdatedAt.ToString("O"),
loc = settings.Url + page.Slug + "/"
}).ToArray()
};
File.WriteAllBytes(Path.Combine(sitemapDirectory, "pages.xml"), XmlSerialize(map));
map = new Sitemap.urlset
{
url = posts.Select(post => new Sitemap.tUrl
{
changefreq = Sitemap.tChangeFreq.daily,
changefreqSpecified = true,
lastmod = post.UpdatedAt.ToString("O"),
loc = settings.Url + post.Slug + "/"
}).ToArray()
};
File.WriteAllBytes(Path.Combine(sitemapDirectory, "posts.xml"), XmlSerialize(map));
map = new Sitemap.urlset
{
url = authors.Select(author => new Sitemap.tUrl
{
changefreq = Sitemap.tChangeFreq.daily,
changefreqSpecified = true,
lastmod = DateTime.UtcNow.ToString("O"),
loc = settings.Url + "authors/" + author.Slug + "/"
}).ToArray()
};
File.WriteAllBytes(Path.Combine(sitemapDirectory, "authors.xml"), XmlSerialize(map));
map = new Sitemap.urlset
{
url = tags.Select(tag => new Sitemap.tUrl
{
changefreq = Sitemap.tChangeFreq.daily,
changefreqSpecified = true,
lastmod = DateTime.UtcNow.ToString("O"),
loc = settings.Url + "tag/" + tag.Slug + "/"
}).ToArray()
};
File.WriteAllBytes(Path.Combine(sitemapDirectory, "tags.xml"), XmlSerialize(map));
}
private static void BuildRssFeed(Post[] posts, Author[] authors, Tag[] tags, Settings settings, TemplatingOptions options, IServiceProvider services, IRazorViewEngine engine)
{
var targetDirectory = Path.Combine(options.OutputDirectory, "rss");
if (!Directory.Exists(targetDirectory))
{
Directory.CreateDirectory(targetDirectory);
}
var oldestPost = DateTime.Now.AddMonths(-6);
var items = new List <RssFeed.Item>();
foreach (var post in posts.Where(x => x.PublishedAt > oldestPost))
{
var item = new RssFeed.Item();
item.Authors = post.Authors.Select(author => new RssFeed.ItemAuthor {
Name = author.Name, Uri = settings.Url + "author/" + author.Slug
}).ToArray();
item.Categories = post.Tags.Select(tag => tag.Name).ToArray();
item.Content = post.HTML;
item.Creator = post.PrimaryAuthor.Name;
item.Description = post.MetaDescription ?? post.CustomExcerpt ?? post.Excerpt;
item.Guid = new RssFeed.ItemGuid {
Value = post.UUID
};
item.Link = post.Settings.Url + post.Slug + "/";
item.PublishedDate = post.PublishedAt.Value.ToString("R");
item.Title = post.Title;
items.Add(item);
}
var feed = new RssFeed.Feed();
var channel = new RssFeed.Channel();
channel.AtomLink = new RssFeed.AtomLink
{
HRef = options.RssFeed,
Relationship = "self",
Type = "application/rss+xml"
};
channel.Categories = tags.Select(tag => tag.Name).ToArray();
channel.Contributors = authors.Select(author => new RssFeed.Contributor {
Name = author.Name, Uri = settings.Url + "author/" + author.Slug + "/"
}).ToArray();
channel.Copyright = options.FormattedCopyright;
channel.Description = settings.Description;
channel.Generator = options.GeneratorName;
channel.Image = new RssFeed.Image {
Link = settings.Url, Title = settings.Title, Url = settings.Url + "favicon.png"
};
channel.Items = items.ToArray();
channel.LastBuildDate = DateTime.UtcNow.ToString("R");
channel.Link = settings.Url;
channel.Title = settings.Title;
channel.TTL = 60;
feed.Channels = new[] { channel };
feed.Version = "2.0";
using var memoryStream = new MemoryStream();
using var xmlWriter = XmlWriter.Create(memoryStream, new XmlWriterSettings
{
Indent = true,
});
var namespaces = new XmlSerializerNamespaces();
namespaces.Add("dc", "http://purl.org/dc/elements/1.1/");
namespaces.Add("content", "http://purl.org/rss/1.0/modules/content/");
namespaces.Add("atom", "http://www.w3.org/2005/Atom");
namespaces.Add("media", "http://search.yahoo.com/mrss/");
var serializer = new XmlSerializer(typeof(RssFeed.Feed));
serializer.Serialize(xmlWriter, feed, namespaces);
xmlWriter.Flush();
File.WriteAllBytes(Path.Combine(targetDirectory, "index.html"), memoryStream.ToArray());
}
private static async Task DownloadImagesFromPostAsync(string post, Settings settings, TemplatingOptions options)
{
//this straight sucks
var imageRegex = new Regex("<img.+?>");
var tagMatches = imageRegex.Matches(post);
if (tagMatches.Count > 0)
{
foreach (Match tagMatch in tagMatches)
{
var quoteRegex = new Regex("\".+?\"");
var quoteMatches = quoteRegex.Matches(tagMatch.Value);
foreach (Match quoteMatch in quoteMatches)
{
var splits = quoteMatch.Value.Split(' ');
foreach (var split in splits)
{
var item = split.Trim('\"');
if (item.StartsWith(settings.Url))
{
//we have an image, download it.
var imageResult = await _imageClient.GetAsync(new Uri(options.GhostUrl, item.Replace(settings.Url, "")));
if (imageResult.IsSuccessStatusCode)
{
var filePath = item.Replace(settings.Url, string.Empty);
var destinationFile = Path.Combine(options.OutputDirectory, filePath);
var destination = new System.IO.FileInfo(destinationFile);
var destinationDirectory = destination.Directory.FullName;
if (!Directory.Exists(destinationDirectory))
{
Directory.CreateDirectory(destinationDirectory);
}
var image = await imageResult.Content.ReadAsByteArrayAsync();
if (File.Exists(destinationFile))
{
File.Delete(destinationFile);
}
File.WriteAllBytes(destinationFile, image);
}
}
}
}
}
}
}
private static async Task HandleIndexPageAsync(Post[] posts, Settings settings, TemplatingOptions options, IServiceProvider services, IRazorViewEngine engine)
{
var postsToDisplay = 27;
var httpContext = new DefaultHttpContext {
RequestServices = services
};
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var modelStateDictionary = new ModelStateDictionary();
var modelMetadataProvider = new EmptyModelMetadataProvider();
var tempDataProvider = new VirtualTempDataProvider();
var htmlHelperOptions = new HtmlHelperOptions();
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor, modelStateDictionary);
var viewDataDictionary = new ViewDataDictionary(modelMetadataProvider, modelStateDictionary);
var tempDataDictionary = new TempDataDictionary(httpContext, tempDataProvider);
var imageDirectory = Path.Combine(options.OutputDirectory, "content", "images", "index");
var index = new IndexPage
{
Options = options,
Settings = settings
};
posts = posts.OrderByDescending(x => x.PublishedAt).ToArray();
if (!Directory.Exists(imageDirectory))
{
Directory.CreateDirectory(imageDirectory);
}
if (!string.IsNullOrWhiteSpace(settings.CoverImage))
{
using var client = new HttpClient();
var imageResult = await client.GetAsync(new Uri(options.GhostUrl, settings.CoverImage));
if (imageResult.IsSuccessStatusCode)
{
using var imageStream = await imageResult.Content.ReadAsStreamAsync();
using var memoryStream = new MemoryStream();
await imageStream.CopyToAsync(memoryStream);
var widths = new[] { 600, 1000, 2000 };
foreach (var width in widths)
{
memoryStream.Position = 0;
using var image = await Image.LoadAsync(memoryStream);
index.ImageHeight = image.Height;
index.ImageWidth = image.Width;
image.Mutate(context => context.Resize(width, 0));
await image.SaveAsPngAsync(Path.Combine(imageDirectory, width + ".png"));
}
}
}
viewDataDictionary.Model = index;
var batch = 1;
while (posts.Length > 0)
{
var directory = options.OutputDirectory;
if (batch > 1)
{
directory = Path.Combine(directory, "index", batch.ToString());
}
if (batch == 1)
{
index.Previous = null;
}
else if (batch == 2)
{
index.Previous = "/";
}
else
{
index.Previous = "/index/" + (batch - 1) + "/";
}
if (posts.Length > postsToDisplay)
{
index.Next = "/index/" + (batch + 1) + "/";
}
else
{
index.Next = null;
}
using (var stringWriter = new StringWriter())
{
var view = engine.GetView(".", $"/Templates/index.cshtml", true);
var viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
index.PostsToDisplay = posts.Take(postsToDisplay).ToArray();
await view.View.RenderAsync(viewContext);
var result = stringWriter.ToString();
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
}
posts = posts.Skip(postsToDisplay).ToArray();
batch++;
}
}
private static async Task HandleTagAsync(Tag tag, Post[] posts, Settings settings, TemplatingOptions options, IServiceProvider services, IRazorViewEngine engine)
{
var postsToDisplay = 27;
var httpContext = new DefaultHttpContext {
RequestServices = services
};
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var modelStateDictionary = new ModelStateDictionary();
var modelMetadataProvider = new EmptyModelMetadataProvider();
var tempDataProvider = new VirtualTempDataProvider();
var htmlHelperOptions = new HtmlHelperOptions();
posts = posts.Where(x => x.Tags.Any(x => x.Id == tag.Id)).OrderByDescending(x => x.PublishedAt).ToArray();
tag.PostCount = posts.Length;
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor, modelStateDictionary);
var viewDataDictionary = new ViewDataDictionary(modelMetadataProvider, modelStateDictionary);
var tempDataDictionary = new TempDataDictionary(httpContext, tempDataProvider);
viewDataDictionary.Model = tag;
var batch = 1;
while (posts.Length > 0)
{
var directory = Path.Combine(options.OutputDirectory, "tag", tag.Slug);
if (batch > 1)
{
directory = Path.Combine(directory, batch.ToString());
}
if (batch == 1)
{
tag.Previous = null;
}
else if (batch == 2)
{
tag.Previous = tag.Url;
}
else
{
tag.Previous = tag.Url + (batch - 1) + "/";
}
if (posts.Length > postsToDisplay)
{
tag.Next = tag.Url + (batch + 1) + "/";
}
else
{
tag.Next = null;
}
using (var stringWriter = new StringWriter())
{
var view = engine.GetView(".", $"/Templates/tag.cshtml", true);
var viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
tag.PostsToDisplay = posts.Take(postsToDisplay).ToArray();
await view.View.RenderAsync(viewContext);
var result = stringWriter.ToString();
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
}
posts = posts.Skip(postsToDisplay).ToArray();
batch++;
}
}
