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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.CommandLine;
using System.Diagnostics;
using System.Text;
using Aspire.Cli.Interaction;
using Aspire.Cli.Projects;
using Aspire.Cli.Utils;
using Semver;
using Spectre.Console;
namespace Aspire.Cli.Commands;
internal sealed class AddCommand : BaseCommand
{
private readonly ActivitySource _activitySource = new ActivitySource(nameof(AddCommand));
private readonly IDotNetCliRunner _runner;
private readonly INuGetPackageCache _nuGetPackageCache;
private readonly IInteractionService _interactionService;
private readonly IProjectLocator _projectLocator;
private readonly IAddCommandPrompter _prompter;
public AddCommand(IDotNetCliRunner runner, INuGetPackageCache nuGetPackageCache, IInteractionService interactionService, IProjectLocator projectLocator, IAddCommandPrompter prompter)
: base("add", "Add an integration to the Aspire project.")
{
ArgumentNullException.ThrowIfNull(runner);
ArgumentNullException.ThrowIfNull(nuGetPackageCache);
ArgumentNullException.ThrowIfNull(interactionService);
ArgumentNullException.ThrowIfNull(projectLocator);
ArgumentNullException.ThrowIfNull(prompter);
_runner = runner;
_nuGetPackageCache = nuGetPackageCache;
_interactionService = interactionService;
_projectLocator = projectLocator;
_prompter = prompter;
var integrationArgument = new Argument<string>("integration");
integrationArgument.Description = "The name of the integration to add (e.g. redis, postgres).";
integrationArgument.Arity = ArgumentArity.ZeroOrOne;
Arguments.Add(integrationArgument);
var projectOption = new Option<FileInfo?>("--project");
projectOption.Description = "The path to the project file to add the integration to.";
Options.Add(projectOption);
var versionOption = new Option<string>("--version", "-v");
versionOption.Description = "The version of the integration to add.";
Options.Add(versionOption);
var sourceOption = new Option<string?>("--source", "-s");
sourceOption.Description = "The NuGet source to use for the integration.";
Options.Add(sourceOption);
}
protected override async Task<int> ExecuteAsync(ParseResult parseResult, CancellationToken cancellationToken)
{
using var activity = _activitySource.StartActivity();
var outputCollector = new OutputCollector();
try
{
var integrationName = parseResult.GetValue<string>("integration");
var passedAppHostProjectFile = parseResult.GetValue<FileInfo?>("--project");
var effectiveAppHostProjectFile = await _projectLocator.UseOrFindAppHostProjectFileAsync(passedAppHostProjectFile, cancellationToken);
if (effectiveAppHostProjectFile is null)
{
return ExitCodeConstants.FailedToFindProject;
}
var source = parseResult.GetValue<string?>("--source");
var packages = await _interactionService.ShowStatusAsync(
"Searching for Aspire packages...",
() => _nuGetPackageCache.GetIntegrationPackagesAsync(
workingDirectory: effectiveAppHostProjectFile.Directory!,
prerelease: true,
source: source,
cancellationToken: cancellationToken)
);
if (!packages.Any())
{
throw new EmptyChoicesException("No integration packages were found. Please check your internet connection or NuGet source configuration.");
}
var version = parseResult.GetValue<string?>("--version");
var packagesWithShortName = packages.Select(GenerateFriendlyName);
if (!packagesWithShortName.Any())
{
_interactionService.DisplayError("No packages found.");
return ExitCodeConstants.FailedToAddPackage;
}
var filteredPackagesWithShortName = packagesWithShortName.Where(p => p.FriendlyName == integrationName || p.Package.Id == integrationName);
if (!filteredPackagesWithShortName.Any() && integrationName is not null)
{
// If we didn't get an exact match on the friendly name or the package ID
// then try a contains search to created a broader filtered list.
filteredPackagesWithShortName = packagesWithShortName.Where(
p => p.FriendlyName.Contains(integrationName, StringComparison.OrdinalIgnoreCase)
|| p.Package.Id.Contains(integrationName, StringComparison.OrdinalIgnoreCase)
);
}
// If we didn't match any, show a complete list. If we matched one, and its
// an exact match, then we still prompt, but it will only prompt for
// the version. If there is more than one match then we prompt.
var selectedNuGetPackage = filteredPackagesWithShortName.Count() switch {
0 => await GetPackageByInteractiveFlow(packagesWithShortName, null, cancellationToken),
1 => filteredPackagesWithShortName.First().Package.Version == version
? filteredPackagesWithShortName.First()
: await GetPackageByInteractiveFlow(filteredPackagesWithShortName, null, cancellationToken),
> 1 => await GetPackageByInteractiveFlow(filteredPackagesWithShortName, version, cancellationToken),
_ => throw new InvalidOperationException("Unexpected number of packages found.")
};
var addPackageResult = await _interactionService.ShowStatusAsync(
"Adding Aspire integration...",
async () => {
var addPackageOptions = new DotNetCliRunnerInvocationOptions
{
StandardOutputCallback = outputCollector.AppendOutput,
StandardErrorCallback = outputCollector.AppendError,
};
var addPackageResult = await _runner.AddPackageAsync(
effectiveAppHostProjectFile,
selectedNuGetPackage.Package.Id,
selectedNuGetPackage.Package.Version,
source,
addPackageOptions,
cancellationToken);
return addPackageResult == 0 ? ExitCodeConstants.Success : ExitCodeConstants.FailedToAddPackage;
}
);
if (addPackageResult != 0)
{
_interactionService.DisplayLines(outputCollector.GetLines());
_interactionService.DisplayError($"The package installation failed with exit code {addPackageResult}. For more information run with --debug switch.");
return ExitCodeConstants.FailedToAddPackage;
}
else
{
_interactionService.DisplaySuccess($"The package {selectedNuGetPackage.Package.Id}::{selectedNuGetPackage.Package.Version} was added successfully.");
return ExitCodeConstants.Success;
}
}
catch (ProjectLocatorException ex) when (ex.Message == "Project file does not exist.")
{
_interactionService.DisplayError("The --project option specified a project that does not exist.");
return ExitCodeConstants.FailedToFindProject;
}
catch (ProjectLocatorException ex) when (ex.Message.Contains("Multiple project files found."))
{
_interactionService.DisplayError("The --project option was not specified and multiple app host project files were detected.");
return ExitCodeConstants.FailedToFindProject;
}
catch (ProjectLocatorException ex) when (ex.Message.Contains("No project file"))
{
_interactionService.DisplayError("The project argument was not specified and no *.csproj files were detected.");
return ExitCodeConstants.FailedToFindProject;
}
catch (OperationCanceledException)
{
_interactionService.DisplayCancellationMessage();
return ExitCodeConstants.FailedToAddPackage;
}
catch (EmptyChoicesException ex)
{
_interactionService.DisplayError(ex.Message);
return ExitCodeConstants.FailedToAddPackage;
}
catch (Exception ex)
{
_interactionService.DisplayLines(outputCollector.GetLines());
_interactionService.DisplayError($"An error occurred while adding the package: {ex.Message}");
return ExitCodeConstants.FailedToAddPackage;
}
}
private async Task<(string FriendlyName, NuGetPackage Package)> GetPackageByInteractiveFlow(IEnumerable<(string FriendlyName, NuGetPackage Package)> possiblePackages, string? preferredVersion, CancellationToken cancellationToken)
{
var distinctPackages = possiblePackages.DistinctBy(p => p.Package.Id);
// If there is only one package, we can skip the prompt and just use it.
var selectedPackage = distinctPackages.Count() switch
{
1 => distinctPackages.First(),
> 1 => await _prompter.PromptForIntegrationAsync(distinctPackages, cancellationToken),
_ => throw new InvalidOperationException("Unexpected number of packages found.")
};
var packageVersions = possiblePackages.Where(p => p.Package.Id == selectedPackage.Package.Id);
// If any of the package versions are an exact match for the preferred version
// then we can skip the version prompt and just use that version.
if (packageVersions.Any(p => p.Package.Version == preferredVersion))
{
var preferredVersionPackage = packageVersions.First(p => p.Package.Version == preferredVersion);
return preferredVersionPackage;
}
// ... otherwise we had better prompt.
var orderedPackageVersions = packageVersions.OrderByDescending(p => SemVersion.Parse(p.Package.Version), SemVersion.PrecedenceComparer);
var version = await _prompter.PromptForIntegrationVersionAsync(orderedPackageVersions, cancellationToken);
return version;
}
private static (string FriendlyName, NuGetPackage Package) GenerateFriendlyName(NuGetPackage package)
{
var shortNameBuilder = new StringBuilder();
if (package.Id.StartsWith("Aspire.Hosting.Azure."))
{
shortNameBuilder.Append("az-");
}
else if (package.Id.StartsWith("Aspire.Hosting.AWS."))
{
shortNameBuilder.Append("aws-");
}
else if (package.Id.StartsWith("CommunityToolkit.Aspire.Hosting."))
{
shortNameBuilder.Append("ct-");
}
var lastSegment = package.Id.Split('.').Last().ToLower();
shortNameBuilder.Append(lastSegment);
return (shortNameBuilder.ToString(), package);
}
}
internal interface IAddCommandPrompter
{
Task<(string FriendlyName, NuGetPackage Package)> PromptForIntegrationAsync(IEnumerable<(string FriendlyName, NuGetPackage Package)> packages, CancellationToken cancellationToken);
Task<(string FriendlyName, NuGetPackage Package)> PromptForIntegrationVersionAsync(IEnumerable<(string FriendlyName, NuGetPackage Package)> packages, CancellationToken cancellationToken);
}
internal class AddCommandPrompter(IInteractionService interactionService) : IAddCommandPrompter
{
public virtual async Task<(string FriendlyName, NuGetPackage Package)> PromptForIntegrationVersionAsync(IEnumerable<(string FriendlyName, NuGetPackage Package)> packages, CancellationToken cancellationToken)
{
var selectedPackage = packages.First();
var version = await interactionService.PromptForSelectionAsync(
$"Select a version of the {selectedPackage.Package.Id}:",
packages,
p => p.Package.Version,
cancellationToken);
return version;
}
public virtual async Task<(string FriendlyName, NuGetPackage Package)> PromptForIntegrationAsync(IEnumerable<(string FriendlyName, NuGetPackage Package)> packages, CancellationToken cancellationToken)
{
var selectedIntegration = await interactionService.PromptForSelectionAsync(
"Select an integration to add:",
packages,
PackageNameWithFriendlyNameIfAvailable,
cancellationToken);
return selectedIntegration;
}
private static string PackageNameWithFriendlyNameIfAvailable((string FriendlyName, NuGetPackage Package) packageWithFriendlyName)
{
if (packageWithFriendlyName.FriendlyName is { } friendlyName)
{
return $"[bold]{friendlyName}[/] ({packageWithFriendlyName.Package.Id})";
}
else
{
return packageWithFriendlyName.Package.Id;
}
}
}
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