internal PackageItem(PackageSource source, string id, string version) { Id = id; Version = version; PackageSource = source; FastPath = source.MakeFastPath(id, version); }
public WebSearch(PackageSource source) { _source = source; }
/// <summary> /// Searches package sources given name and version information /// /// Package information must be returned using <c>request.YieldPackage(...)</c> function. /// </summary> /// <param name="name">a name or partial name of the package(s) requested</param> /// <param name="requiredVersion">A specific version of the package. Null or empty if the user did not specify</param> /// <param name="minimumVersion">A minimum version of the package. Null or empty if the user did not specify</param> /// <param name="maximumVersion">A maximum version of the package. Null or empty if the user did not specify</param> /// <param name="id">if this is greater than zero (and the number should have been generated using <c>StartFind(...)</c>, the core is calling this multiple times to do a batch search request. The operation can be delayed until <c>CompleteFind(...)</c> is called</param> /// <param name="request">An object passed in from the CORE that contains functions that can be used to interact with the CORE and HOST</param> public void FindPackage(string name, string requiredVersion, string minimumVersion, string maximumVersion, int id, IRequest request) { request.Debug("Calling '{0}::FindPackage' '{1}','{2}','{3}','{4}'", PackageProviderName, requiredVersion, minimumVersion, maximumVersion, id); List<PackageSource> sources; var providerPackageSources = ProviderStorage.GetPackageSources(request); if (request.Sources != null && request.Sources.Any()) { sources = new List<PackageSource>(); foreach (var userRequestedSource in request.Sources) { if (providerPackageSources.ContainsKey(userRequestedSource)) { sources.Add(providerPackageSources[userRequestedSource]); } } } else { sources = providerPackageSources.Select(i => i.Value).ToList(); } if (request.IsCanceled) { return; } foreach (var source in sources) { var downloadLinks = new HashSet<Uri>(); var webSearch = new WebSearch(source); var downloadWebsites = webSearch.Search(name, 3); foreach (var downloadWebsite in downloadWebsites) { try { var downloadLink = DownloadLinkFinder.GetDownloadLink(downloadWebsite).Result; // TODO: for now we're returning all potential downloads for the user to choose from // TODO: we could provide our own ranking, e.g. check if downloadLink is the same domain as url if (downloadLink != null && downloadLinks.Add(downloadLink)) { var domainName = downloadLink.GetLeftPart(UriPartial.Authority).Replace("/www.", "/").Replace("http://", "").Replace("https://", ""); var packageSource = new PackageSource(domainName, domainName); var packageItem = new PackageItem(packageSource, downloadLink.ToString(), ""); // YieldPackage returns false when operation was cancelled if (!request.YieldPackage(packageItem, name)) { return; } } } catch (Exception) { continue; } } } }