public async Task <string> GetSiteMapData(string siteRootUrl)
{
var sb = new StringBuilder();
var writerSettings = new XmlWriterSettings {
Encoding = Encoding.UTF8, Async = true
};
await using (var writer = XmlWriter.Create(sb, writerSettings))
{
await writer.WriteStartDocumentAsync();
writer.WriteStartElement("urlset", _settings.SiteMap.UrlSetNamespace);
// Posts
var spec = new PostSitePageSpec();
var posts = await _postRepo.SelectAsync(spec, p => new
{
p.Slug,
p.PubDateUtc
});
foreach (var item in posts.OrderByDescending(p => p.PubDateUtc))
{
var pubDate = item.PubDateUtc.GetValueOrDefault();
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/post/{pubDate.Year}/{pubDate.Month}/{pubDate.Day}/{item.Slug.ToLower()}");
writer.WriteElementString("lastmod", pubDate.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", _settings.SiteMap.ChangeFreq["Posts"]);
await writer.WriteEndElementAsync();
}
// Pages
var pages = await _pageRepo.SelectAsync(page => new
{
page.CreateTimeUtc,
page.Slug,
page.IsPublished
});
foreach (var item in pages.Where(p => p.IsPublished))
{
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/page/{item.Slug.ToLower()}");
writer.WriteElementString("lastmod", item.CreateTimeUtc.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", _settings.SiteMap.ChangeFreq["Pages"]);
await writer.WriteEndElementAsync();
}
// Tag
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/tags");
writer.WriteElementString("lastmod", DateTime.UtcNow.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", _settings.SiteMap.ChangeFreq["Default"]);
await writer.WriteEndElementAsync();
// Archive
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/archive");
writer.WriteElementString("lastmod", DateTime.UtcNow.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", _settings.SiteMap.ChangeFreq["Default"]);
await writer.WriteEndElementAsync();
await writer.WriteEndElementAsync();
}
var xml = sb.ToString();
return(xml);
}
private static async Task <string> GetSiteMapData(
string siteRootUrl,
IConfiguration siteMapSection,
IRepository <PostEntity> postRepo,
IRepository <PageEntity> pageRepo)
{
var sb = new StringBuilder();
var writerSettings = new XmlWriterSettings {
Encoding = Encoding.UTF8, Async = true
};
await using (var writer = XmlWriter.Create(sb, writerSettings))
{
await writer.WriteStartDocumentAsync();
writer.WriteStartElement("urlset", "http://www.sitemaps.org/schemas/sitemap/0.9");
// Posts
var spec = new PostSitePageSpec();
var posts = await postRepo.SelectAsync(spec, p => new Tuple <string, DateTime?>(p.Slug, p.PubDateUtc));
foreach (var(slug, pubDateUtc) in posts.OrderByDescending(p => p.Item2))
{
var pubDate = pubDateUtc.GetValueOrDefault();
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/post/{pubDate.Year}/{pubDate.Month}/{pubDate.Day}/{slug.ToLower()}");
writer.WriteElementString("lastmod", pubDate.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", siteMapSection["ChangeFreq:Posts"]);
await writer.WriteEndElementAsync();
}
// Pages
var pages = await pageRepo.SelectAsync(page => new Tuple <DateTime, string, bool>(
page.CreateTimeUtc,
page.Slug,
page.IsPublished)
);
foreach (var(createdTimeUtc, slug, isPublished) in pages.Where(p => p.Item3))
{
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/page/{slug.ToLower()}");
writer.WriteElementString("lastmod", createdTimeUtc.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", siteMapSection["ChangeFreq:Pages"]);
await writer.WriteEndElementAsync();
}
// Tag
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/tags");
writer.WriteElementString("lastmod", DateTime.UtcNow.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", siteMapSection["ChangeFreq:Default"]);
await writer.WriteEndElementAsync();
// Archive
writer.WriteStartElement("url");
writer.WriteElementString("loc", $"{siteRootUrl}/archive");
writer.WriteElementString("lastmod", DateTime.UtcNow.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
writer.WriteElementString("changefreq", siteMapSection["ChangeFreq:Default"]);
await writer.WriteEndElementAsync();
await writer.WriteEndElementAsync();
}
var xml = sb.ToString();
return(xml);
}
