GitHubServiceFactory.cs

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using System;
using System.Threading;
using System.Threading.Tasks;
 
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
 
using Octokit;
 
using Tgstation.Server.Host.Configuration;
 
namespace Tgstation.Server.Host.Utils.GitHub
{
    sealed class GitHubServiceFactory : IGitHubServiceFactory
    {
        readonly IGitHubClientFactory gitHubClientFactory;
 
        readonly ILoggerFactory loggerFactory;
 
        readonly UpdatesConfiguration updatesConfiguration;
 
        public GitHubServiceFactory(
            IGitHubClientFactory gitHubClientFactory,
            ILoggerFactory loggerFactory,
            IOptions<UpdatesConfiguration> updatesConfigurationOptions)
        {
            this.gitHubClientFactory = gitHubClientFactory ?? throw new ArgumentNullException(nameof(gitHubClientFactory));
            this.loggerFactory = loggerFactory ?? throw new ArgumentNullException(nameof(loggerFactory));
            updatesConfiguration = updatesConfigurationOptions?.Value ?? throw new ArgumentNullException(nameof(updatesConfigurationOptions));
        }
 
        public async ValueTask<IGitHubService> CreateService(CancellationToken cancellationToken)
            => CreateServiceImpl(
                await gitHubClientFactory.CreateClient(cancellationToken));
 
        public async ValueTask<IAuthenticatedGitHubService> CreateService(string accessToken, CancellationToken cancellationToken)
            => CreateServiceImpl(
                await gitHubClientFactory.CreateClient(
                    accessToken ?? throw new ArgumentNullException(nameof(accessToken)),
                    cancellationToken));
 
        public async ValueTask<IAuthenticatedGitHubService?> CreateService(string accessString, RepositoryIdentifier repositoryIdentifier, CancellationToken cancellationToken)
        {
            var client = await gitHubClientFactory.CreateClientForRepository(
                accessString ?? throw new ArgumentNullException(nameof(accessString)),
                repositoryIdentifier,
                cancellationToken);
            if (client == null)
                return null;
 
            return CreateServiceImpl(client);
        }
 
        GitHubService CreateServiceImpl(IGitHubClient gitHubClient)
            => new(
                gitHubClient,
                loggerFactory.CreateLogger<GitHubService>(),
                updatesConfiguration);
    }
}