|
static private GetPackageSources ( IRequest request ) : PackageSource>.IDictionary |
||
| request | IRequest | |
| 리턴 | PackageSource>.IDictionary | |
/// <summary>
/// Resolves and returns Package Sources to the client.
///
/// Specified sources are passed in via the request object (<c>request.GetSources()</c>).
///
/// Sources are returned using <c>request.YieldPackageSource(...)</c>
/// </summary>
/// <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 ResolvePackageSources(IRequest request)
{
request.Debug("Calling '{0}::ResolvePackageSources'", PackageProviderName);
if (request.Sources.Any())
{
// the system is requesting sources that match the values passed.
// if the value passed can be a legitimate source, but is not registered, return a package source marked unregistered.
var packageSources = ProviderStorage.GetPackageSources(request);
if (request.IsCanceled)
{
return;
}
foreach (var source in request.Sources.AsNotNull())
{
if (packageSources.ContainsKey(source))
{
var packageSource = packageSources[source];
// YieldPackageSource returns false when operation was cancelled
if (!request.YieldPackageSource(packageSource.Name, packageSource.Location, packageSource.Trusted, packageSource.IsRegistered, packageSource.IsValidated))
{
return;
}
}
else
{
request.Warning("Package Source '{0}' not found.", source);
}
}
}
else
{
// the system is requesting all the registered sources
var packageSources = ProviderStorage.GetPackageSources(request);
foreach (var entry in packageSources.AsNotNull())
{
var packageSource = entry.Value;
// YieldPackageSource returns false when operation was cancelled
if (!request.YieldPackageSource(packageSource.Name, packageSource.Location, packageSource.Trusted, packageSource.IsRegistered, packageSource.IsValidated))
{
return;
}
}
}
}
/// <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;
}
}
}
}