private void LoadUrlsFromFile(string filePath)
{
string filename = Path.GetFileName(filePath).Replace(Path.GetExtension(filePath), "").Trim();
string[] splitData = filename.Split(new char[] { FilenameSeparators.BlockSeparator });
string category = splitData[1].Trim();
int number;
int.TryParse(splitData[2], out number);
SitemapFile sitemapFile = new SitemapFile()
{
Filename = filename,
Number = number,
Category = category
};
XmlDocument document = new XmlDocument();
document.Load(filePath);
foreach (XmlNode x in document.SelectNodes("urlset/url"))
{
var entry = new UrlEntry
{
URL = x.SelectSingleNode("loc").InnerText,
ChangeFrequency = Enum.Parse <ChangeFrequency>(x.SelectSingleNode("changefreq").InnerText, true),
Category = category,
Written = true
};
sitemapFile.Entires.Add(entry);
// AddUrlEntry(entry);
}
sitemapsFiles.Add(sitemapFile);
}
public void AddUrlEntry(string RelativeUrl, string category, ChangeFrequency changeFrequency, DateTime lastModification)
{
UrlEntry urlEntry = new UrlEntry
{
Category = category,
ChangeFrequency = changeFrequency,
LastModification = lastModification,
URL = new Uri(new Uri(this.baseUrl), RelativeUrl).ToString()
};
// check if the url is already exists in any of the sitemaps
foreach (var sitemapfile in sitemapsFiles)
{
if (sitemapfile.Entires.Any(w => w.URL == urlEntry.URL))
{
return;
}
}
// first lets check if any sitemaps has the same category
var sitemapWithSameCategory = sitemapsFiles.Where(w => w.Category.ToLower().Trim() == urlEntry.Category.ToLower().Trim());
if (sitemapWithSameCategory.Count() == 0)
{
// create new sitemap
SitemapFile sitemapFile = new SitemapFile()
{
Category = urlEntry.Category,
Number = 1,
Filename = GenerateFilename(urlEntry.Category, 1),
NeedReWrite = true
};
sitemapFile.Entires.Add(urlEntry);
sitemapsFiles.Add(sitemapFile);
}
else
{
// Get the latest sitemap within the same category and has less than the maximum allowed entries
int num = sitemapWithSameCategory.Max(w => w.Number);
var latestSitemap = sitemapWithSameCategory.FirstOrDefault(w => w.Entires.Count < maximumAllowedEntries);
if (latestSitemap == null)
{
// all sitemaps are full, so we need a new sitemap file
SitemapFile sitemapFile = new SitemapFile()
{
Category = urlEntry.Category,
Number = num + 1,
Filename = GenerateFilename(urlEntry.Category, num + 1),
NeedReWrite = true
};
sitemapFile.Entires.Add(urlEntry);
sitemapsFiles.Add(sitemapFile);
}
else
{
// append urlEntry to this sitemaps file
latestSitemap.NeedReWrite = true;
latestSitemap.Entires.Add(urlEntry);
}
}
}