public static List <WebIndex> GetIndexes(string url)
{
using (WebClient client = new IndexWebClient())
{
string html = client.DownloadString(url);
List <WebIndex> Indexes = new List <WebIndex>();
foreach (Match match in REGEX_INDEX.Matches(html))
{
if (match.Groups.Count == 5)
{
string iurl = Path.Combine(url, match.Groups[1].Value);
string name = match.Groups[2].Value;
string size = match.Groups[4].Value.Trim();
string date = match.Groups[3].Value;
WebIndex index = new WebIndex()
{
Url = iurl,
Name = name,
Size = (size == "-") ? 0 : int.Parse(size),
Date = date
};
Indexes.Add(index);
}
}
return(Indexes);
}
}
/// <summary>
/// Retrieve available versions of Blender (from cache if available/recent)
/// </summary>
public static List <BlenderVersion> GetBlenderVersions(string cacheFile = null, string customFile = null)
{
if (cacheFile != null)
{
string fullCachePath = Path.GetFullPath(cacheFile);
//Intercept designer
if (fullCachePath.StartsWith("C:\\Windows"))
{
return(new List <BlenderVersion>());
}
}
List <BlenderVersion> custom = GetCustomBlenderVersions(customFile);
//IMPORTANT: always use cache if able, or get a chance to get your IP blacklisted.
Cache cache = Cache.GetCache(cacheFile);
if (cache != null)
{
//Refresh every >= CACHE_DAYS days
if (Math.Abs(cache.Date.DayOfYear - DateTime.Now.DayOfYear) < CACHE_DAYS)
{
return(custom.Concat(cache.Versions).ToList());
}
}
try
{
List <BlenderVersion> versions = new List <BlenderVersion>();
List <WebIndex> coreVersions = WebIndex.GetIndexes(VERSIONS_URL);
//Parse Blenders Previous Version pages..
foreach (WebIndex v in coreVersions.Where(x => REGEX_BLENDERVERSION.IsMatch(x.Name) && !x.IsFile))
{
List <WebIndex> subVersions = v.GetIndexes();
List <(WebIndex, Match)> matches = subVersions.Select(x => (x, REGEX_BLENDERSUBVERSION.Match(x.Name)))
.Where(x => x.Item2.Groups.Count == 4)
.ToList();
Dictionary <string, BlenderVersion> submapping = new Dictionary <string, BlenderVersion>();
foreach (var match in matches)
{
string url = match.Item1.Url;
DateTime date = match.Item1.DateTime;
string name = match.Item2.Groups[1].Value;
string os = match.Item2.Groups[2].Value;
string ext = match.Item2.Groups[3].Value.ToLower();
if (IsValidFile(os, ext))
{
if (!submapping.ContainsKey(name))
{
submapping.Add(name, new BlenderVersion()
{
Name = name,
Date = date
});
}
submapping[name].AssignUrl(os, url);
}
}
versions.AddRange(submapping.Values.Where(x => x.HasAll).ToList());
}
List <BlenderVersion> vs = versions.OrderByDescending(x => x.Date).ToList();
//Prevent server spam
Thread.Sleep(500);
Cache.UpdateCache(vs, cacheFile);
return(custom.Concat(vs).ToList());
}
catch (Exception ex)
{
Console.WriteLine("Failed to load versions due to " + ex.Message);
if (cache != null)
{
return(custom.Concat(cache.Versions).ToList());
}
else
{
throw;
}
}
}