bool TryExpandVersion(NuGetBrowser nuGetBrowser, string nugetPackageId, string requestedVersion, out SemanticVersion expandedVersion)
{
var parts = requestedVersion.Split('.');
if (parts.Length > 2 || !parts.Any())
{
expandedVersion = SemanticVersion.Parse(requestedVersion);
return(false);
}
if (parts.Length == 2)
{
expandedVersion = nuGetBrowser.GetAllVersions(nugetPackageId)
.Where(p => p.Version.Major == int.Parse(parts[0]) && p.Version.Minor == int.Parse(parts[1]))
.OrderByDescending(p => p.Version)
.FirstOrDefault();
}
else
{
expandedVersion = nuGetBrowser.GetAllVersions(nugetPackageId)
.Where(p => p.Version.Major == int.Parse(parts[0]))
.OrderByDescending(p => p.Version)
.FirstOrDefault();
}
if (expandedVersion == null)
{
throw new NotFoundException($"Can't find any versions for {nugetPackageId} matching version pattern {requestedVersion}.*");
}
return(true);
}
bool TryExpandVersion(NuGetBrowser nuGetBrowser, string nugetPackageId, string requestedVersion, out SemanticVersion expandedVersion)
{
var parts = requestedVersion.Split('.');
if (parts.Length > 2 || !parts.Any())
{
expandedVersion = SemanticVersion.Parse(requestedVersion);
return false;
}
if (parts.Length == 2)
{
expandedVersion = nuGetBrowser.GetAllVersions(nugetPackageId)
.Where(p => p.Version.Major == int.Parse(parts[0]) && p.Version.Minor == int.Parse(parts[1]))
.OrderByDescending(p => p.Version)
.FirstOrDefault();
}
else
{
expandedVersion = nuGetBrowser.GetAllVersions(nugetPackageId)
.Where(p => p.Version.Major == int.Parse(parts[0]))
.OrderByDescending(p => p.Version)
.FirstOrDefault();
}
if (expandedVersion == null)
{
throw new NotFoundException($"Can't find any versions for {nugetPackageId} matching version pattern {requestedVersion}.*");
}
return true;
}
public CompareModule(IRootPathProvider rootPathProvider, IBus bus, NuGetBrowser nuGetBrowser)
{
Get["/compare/{nugetpackageid}/{leftversion}...{rightversion}"] = ctx =>
{
var nugetPackageId = (string)ctx.nugetpackageid;
SemanticVersion leftVersion;
SemanticVersion rightVersion;
var redirectToExactComparison = false;
try
{
if (TryExpandVersion(nuGetBrowser, nugetPackageId, ctx.leftversion, out leftVersion))
{
redirectToExactComparison = true;
}
if (TryExpandVersion(nuGetBrowser, nugetPackageId, ctx.rightversion, out rightVersion))
{
redirectToExactComparison = true;
}
}
catch (NotFoundException ex) //for now
{
return new NotFoundResponse
{
ReasonPhrase = ex.Message
};
}
if (redirectToExactComparison)
{
return Response.AsRedirect(string.Format("/compare/{0}/{1}...{2}", nugetPackageId, leftVersion, rightVersion));
}
var pathToAlreadyRenderedComparison = string.Format("./Comparisons/{0}-{1}...{2}.html", nugetPackageId, leftVersion, rightVersion);
if (File.Exists(Path.Combine(rootPathProvider.GetRootPath(), pathToAlreadyRenderedComparison)))
{
return new GenericFileResponse(pathToAlreadyRenderedComparison, "text/html");
}
var pathToWorkingToken = string.Format("./Comparisons/{0}-{1}...{2}.running.html", nugetPackageId, leftVersion, rightVersion);
var fullPathToWorkingToken = Path.Combine(rootPathProvider.GetRootPath(), pathToWorkingToken);
if (File.Exists(fullPathToWorkingToken))
{
return new GenericFileResponse(pathToWorkingToken, "text/html");
}
logger.DebugFormat("Sending command to backend to process '{0}' package versions '{1}' and '{2}'.",
nugetPackageId, leftVersion, rightVersion);
bus.Send(new CompareNugetPackage(nugetPackageId, leftVersion.ToString(), rightVersion.ToString()));
var fullPathToTemplate = Path.Combine(rootPathProvider.GetRootPath(), "./Comparisons/CompareRunning.html");
File.Copy(fullPathToTemplate, fullPathToWorkingToken);
var template = File.ReadAllText(fullPathToWorkingToken);
var content = template.Replace(@"{packageid}", nugetPackageId)
.Replace(@"{leftversion}", leftVersion.ToString())
.Replace(@"{rightversion}", rightVersion.ToString());
File.WriteAllText(fullPathToWorkingToken, content);
return new GenericFileResponse(pathToWorkingToken, "text/html");
};
}
public CompareModule(IRootPathProvider rootPathProvider, IBus bus, NuGetBrowser nuGetBrowser)
{
Get["/compare/{nugetpackageid}/{leftversion}...{rightversion}"] = ctx =>
{
var nugetPackageId = (string)ctx.nugetpackageid;
SemanticVersion leftVersion;
SemanticVersion rightVersion;
var redirectToExactComparison = false;
try
{
if (TryExpandVersion(nuGetBrowser, nugetPackageId, ctx.leftversion, out leftVersion))
{
redirectToExactComparison = true;
}
if (TryExpandVersion(nuGetBrowser, nugetPackageId, ctx.rightversion, out rightVersion))
{
redirectToExactComparison = true;
}
}
catch (NotFoundException ex) //for now
{
return(new NotFoundResponse
{
ReasonPhrase = ex.Message
});
}
if (redirectToExactComparison)
{
return(Response.AsRedirect($"/compare/{nugetPackageId}/{leftVersion}...{rightVersion}"));
}
var pathToAlreadyRenderedComparison = $"./Comparisons/{nugetPackageId}-{leftVersion}...{rightVersion}.html";
if (File.Exists(Path.Combine(rootPathProvider.GetRootPath(), pathToAlreadyRenderedComparison)))
{
return(new GenericFileResponse(pathToAlreadyRenderedComparison, "text/html"));
}
var pathToWorkingToken = $"./Comparisons/{nugetPackageId}-{leftVersion}...{rightVersion}.running.html";
var fullPathToWorkingToken = Path.Combine(rootPathProvider.GetRootPath(), pathToWorkingToken);
if (File.Exists(fullPathToWorkingToken))
{
return(new GenericFileResponse(pathToWorkingToken, "text/html"));
}
logger.DebugFormat("Sending command to backend to process '{0}' package versions '{1}' and '{2}'.",
nugetPackageId, leftVersion, rightVersion);
bus.Send(new CompareNugetPackage(nugetPackageId, leftVersion.ToString(), rightVersion.ToString()));
var fullPathToTemplate = Path.Combine(rootPathProvider.GetRootPath(), "./Comparisons/CompareRunning.html");
File.Copy(fullPathToTemplate, fullPathToWorkingToken);
var template = File.ReadAllText(fullPathToWorkingToken);
var content = template.Replace(@"{packageid}", nugetPackageId)
.Replace(@"{leftversion}", leftVersion.ToString())
.Replace(@"{rightversion}", rightVersion.ToString());
File.WriteAllText(fullPathToWorkingToken, content);
return(new GenericFileResponse(pathToWorkingToken, "text/html"));
};
}