components/LiteCharms.Features/Extensions/S3.cs

using LiteCharms.Features.S3;
using LiteCharms.Features.S3.Abstractions;
using static LiteCharms.Features.S3.Constants;

namespace LiteCharms.Features.Extensions;

public static class S3
{
    public static IServiceCollection AddGarageS3(this IServiceCollection services, IConfiguration configuration)
    {
        if (configuration.GetSection(BookshopBucketName) is not null)
        {
            services.AddKeyedSingleton<IAmazonS3, AmazonS3Client>(BookshopBucketName, (provider, client) =>
                new AmazonS3Client(new BasicAWSCredentials(configuration.GetSection($"{BookshopS3SettingsSection}:AccessKey").Value,
                configuration.GetSection($"{BookshopS3SettingsSection}:SecretKey").Value),
                new AmazonS3Config
                {
                    ServiceURL = configuration.GetSection($"{BookshopS3SettingsSection}:ServiceUrl").Value,
                    AuthenticationRegion = configuration.GetSection($"{BookshopS3SettingsSection}:Region").Value,
                    ForcePathStyle = true,
                }));

            services.AddKeyedScoped<IS3Service, BookstoreS3Service>(BookshopBucketName); 
        }

        if (configuration.GetSection(BookshopInvoicesBucketName) is not null)
        {
            services.AddKeyedSingleton<IAmazonS3, AmazonS3Client>(BookshopInvoicesBucketName, (provider, client) =>
                new AmazonS3Client(new BasicAWSCredentials(configuration.GetSection($"{BookshopInvoicesBucketName}:AccessKey").Value,
                configuration.GetSection($"{BookshopInvoicesBucketName}:SecretKey").Value),
                new AmazonS3Config
                {
                    ServiceURL = configuration.GetSection($"{BookshopInvoicesBucketName}:ServiceUrl").Value,
                AuthenticationRegion = configuration.GetSection($"{BookshopInvoicesBucketName}:Region").Value,
                ForcePathStyle = true,
            }));

            services.AddKeyedScoped<IS3Service, BookstoreInvoicesS3Service>(BookshopInvoicesBucketName);
        }

        if (configuration.GetSection(BookshopQuotesBucketName) is not null)
        {
            services.AddKeyedSingleton<IAmazonS3, AmazonS3Client>(BookshopQuotesBucketName, (provider, client) =>
                new AmazonS3Client(new BasicAWSCredentials(configuration.GetSection($"{BookshopQuotesBucketName}:AccessKey").Value,
                configuration.GetSection($"{BookshopQuotesBucketName}:SecretKey").Value),
                new AmazonS3Config
                {
                    ServiceURL = configuration.GetSection($"{BookshopQuotesBucketName}:ServiceUrl").Value,
                    AuthenticationRegion = configuration.GetSection($"{BookshopQuotesBucketName}:Region").Value,
                    ForcePathStyle = true,
                }));

            services.AddKeyedScoped<IS3Service, BookstoreQuotesS3Service>(BookshopQuotesBucketName);
        }

        return services;
    }
}