XpandPosh

2.2.1

Cmdlets/src/XpandPosh.Cmdlets/Nuget/UpdateNugetProjectVersion/Update-NugetProjectVersion.cs

                                using System;

using System.IO;

using System.Linq;

using System.Management.Automation;

using System.Reactive.Linq;

using System.Reactive.Subjects;

using System.Reactive.Threading.Tasks;

using System.Text.RegularExpressions;

using System.Threading;

using System.Threading.Tasks;

using Octokit;

using XpandPosh.Cmdlets.GitHub;

using XpandPosh.CmdLets;

namespace XpandPosh.Cmdlets.Nuget.UpdateNugetProjectVersion{

    [CmdletBinding(SupportsShouldProcess = true)]

    [Cmdlet(VerbsData.Update,"NugetProjectVersion",SupportsShouldProcess = true)]

    public class UpdateNugetProjectVersion:GitHubCmdlet,IParameter{

        [Parameter(Mandatory = true)]

        public string Repository{ get; set; } 

        [Parameter(Mandatory = true)]

        public string Branch{ get; set; } 

        [Parameter(Mandatory = true)]

        public string SourcePath{ get; set; }

        [Parameter(Mandatory=true)]

        public PSObject[] Packages{ get; set; }

        [Parameter]

        public SwitchParameter UpdateRevision{ get; set; }

        protected override async Task ProcessRecordAsync(){

            var lastTagedDate = (GitHubClient.Repository.GetForOrg(Organization, Repository)

                .Select(repository => GitHubClient.Repository

                    .LastTag(repository)

                    .Select(tag => GitHubClient.Repository.Commit.Get(repository.Id, tag.Commit.Sha))).Concat()

                .Concat()

                .Select(tag => tag.Commit.Committer.Date.AddSeconds(1)));

            var dateTimeOffset = await lastTagedDate;

            WriteVerbose($"lastTaggedDate={dateTimeOffset}");

            var commits =  GitHubClient.Commits(Organization, Repository,

                dateTimeOffset, Branch).Replay().RefCount();

            await commits.WriteVerboseObject(this,commit => commit.Commit.Message);

            var changedPackages = ExistingPackages(this).ToObservable()

                .WriteVerboseObject(this,_ => $"Existing: {_.name}, {_.nextVersion} ")

                .SelectMany(tuple => commits.Where(commit => commit.Files.Any(file => file.Filename.Contains(tuple.directory.Name))).Select(_=>tuple)).Distinct()

                .Replay().RefCount();

            await changedPackages.WriteVerboseObject(this);

            var subject = new Subject<string>();

            subject.WriteObject(this).Subscribe();

            var synchronizationContext = SynchronizationContext.Current;

            await changedPackages.SelectMany(tuple => GitHubClient.Repository

                    .GetForOrg(Organization, Repository)

                    .SelectMany(_ => CreateTagReference(this, GitHubClient, _, tuple, subject,synchronizationContext))

                    .Select(tag => tuple))

                .Select(UpdateAssemblyInfo)

                .HandleErrors(this)

                .WriteObject(this)

                .ToTask();

        }

        private string UpdateAssemblyInfo((string name, string nextVersion, DirectoryInfo directory) info){

            if (ShouldProcess($"Update {info.name} to version {info.nextVersion}")){

                var directoryName = info.directory.FullName;

                var path = $@"{directoryName}\Properties\AssemblyInfo.cs";

                var text = File.ReadAllText(path);

                text = Regex.Replace(text, @"Version\(""([^""]*)", $"Version(\"{info.nextVersion}");

                File.WriteAllText(path, text);

                return $"{info.name} version raised to {info.nextVersion} ";

            }

            return null;

        }

        private IObservable<Reference> CreateTagReference(IParameter parameter, GitHubClient appClient,

            Repository repository, (string name, string nextVersion, DirectoryInfo directory) tuple,

            IObserver<string> observer, SynchronizationContext synchronizationContext){

            observer.OnNext($"Lookup {tuple.name} heads");

            return appClient.Git.Reference.Get(repository.Id, $"heads/{parameter.Branch}")

                .ToObservable()

                .ObserveOn(synchronizationContext)

                .SelectMany(reference => {

                    var tag = $"{tuple.directory.Name}_{tuple.nextVersion}";

                    var description = $"Creating {tag} tag on repo {repository.Name}";

                    if (ShouldProcess(description)){

                        observer.OnNext(description);

                        return appClient.Git.Reference.Create(repository.Id,new NewReference($@"refs/tags/{tag}",reference.Object.Sha))

                            .ToObservable().Catch<Reference, ApiValidationException>(ex =>

                                ex.ApiError.Message=="Reference already exists"? Observable.Return<Reference>(null): Observable.Throw<Reference>(ex));

                    }

                    return Observable.Return(default(Reference));

                });

        }

        private static (string name, string nextVersion, DirectoryInfo directory)[] ExistingPackages(IParameter parameter){

            var packageArgs = parameter.Packages.Select(_ => (name: $"{_.Properties["Id"].Value}",

                nextVersion: $"{_.Properties["nextVersion"].Value}", directory: (DirectoryInfo) null)).ToArray();

            var existingPackages = Directory.GetFiles(parameter.SourcePath, "*.csproj", SearchOption.AllDirectories)

                .Where(s => packageArgs.Select(_ => _.name).Any(s.Contains)).ToArray()

                .Select(s => {

                    var valueTuple = packageArgs.First(_ => _.name == Path.GetFileNameWithoutExtension(s));

                    valueTuple.directory = new DirectoryInfo($"{Path.GetDirectoryName(s)}");

                    return valueTuple;

                }).ToArray();

            return existingPackages;

        }

    }

    public interface IParameter{

        PSObject[] Packages{ get; set; }

        string Owner{ get; set; }

        string Organization{ get; set; }

        string Repository{ get; set; }

        string Branch{ get; set; }

        string Pass{ get; set; }

        string SourcePath{ get; set; }

    }

}