pfm/PostFundManagement.Application/Extensions/S3.cs

using PostFundManagement.Application.Shared;
using PostFundManagement.Domain.Abstractions;
using static PostFundManagement.Domain.Extensions.Constants;

namespace PostFundManagement.Application.Extensions;

public static class S3
{
    public static IServiceCollection AddGarageS3(this IServiceCollection services, IConfiguration configuration)
    {        
        if (!string.IsNullOrWhiteSpace(configuration.GetSection($"{GeneralS3SettingsSection}:ServiceUrl").Value))
        {
            services.AddKeyedSingleton<IAmazonS3, AmazonS3Client>(GeneralBucketName, (provider, client) =>
                new AmazonS3Client(new BasicAWSCredentials(configuration.GetSection($"{GeneralS3SettingsSection}:AccessKey").Value,
                configuration.GetSection($"{GeneralS3SettingsSection}:SecretKey").Value),
                new AmazonS3Config
                {
                    ServiceURL = configuration.GetSection($"{GeneralS3SettingsSection}:ServiceUrl").Value,
                    AuthenticationRegion = configuration.GetSection($"{GeneralS3SettingsSection}:Region").Value,
                    ForcePathStyle = true,
                    EndpointDiscoveryEnabled = true,
                    UseHttp = configuration.GetSection($"{GeneralS3SettingsSection}:ServiceUrl").Value!.Contains("http://", StringComparison.InvariantCultureIgnoreCase),
                }));

            services.AddKeyedScoped<IS3Service, GeneralS3Service>(GeneralBucketName); 
        }

        if (!string.IsNullOrWhiteSpace(configuration.GetSection($"{EvidenceS3SettingsSection}:ServiceUrl").Value))
        {
            services.AddKeyedSingleton<IAmazonS3, AmazonS3Client>(EvidenceBucketName, (provider, client) =>
                new AmazonS3Client(new BasicAWSCredentials(configuration.GetSection($"{EvidenceS3SettingsSection}:AccessKey").Value,
                configuration.GetSection($"{EvidenceS3SettingsSection}:SecretKey").Value),
                new AmazonS3Config
                {
                    ServiceURL = configuration.GetSection($"{EvidenceS3SettingsSection}:ServiceUrl").Value,
                    AuthenticationRegion = configuration.GetSection($"{EvidenceS3SettingsSection}:Region").Value,
                    ForcePathStyle = true,
                    EndpointDiscoveryEnabled = true,
                    UseHttp = configuration.GetSection($"{EvidenceS3SettingsSection}:ServiceUrl").Value!.Contains("http://", StringComparison.InvariantCultureIgnoreCase),
                }));

            services.AddKeyedScoped<IS3Service, EvidenceS3Service>(EvidenceBucketName);
        }

        if (!string.IsNullOrWhiteSpace(configuration.GetSection($"{ContractS3SettingsSection}:ServiceUrl").Value))
        {
            services.AddKeyedSingleton<IAmazonS3, AmazonS3Client>(ContractBucketName, (provider, client) =>
                new AmazonS3Client(new BasicAWSCredentials(configuration.GetSection($"{ContractS3SettingsSection}:AccessKey").Value,
                configuration.GetSection($"{ContractS3SettingsSection}:SecretKey").Value),
                new AmazonS3Config
                {
                    ServiceURL = configuration.GetSection($"{ContractS3SettingsSection}:ServiceUrl").Value,
                    AuthenticationRegion = configuration.GetSection($"{ContractS3SettingsSection}:Region").Value,
                    ForcePathStyle = true,
                    EndpointDiscoveryEnabled = true,
                    UseHttp = configuration.GetSection($"{ContractS3SettingsSection}:ServiceUrl").Value!.Contains("http://", StringComparison.InvariantCultureIgnoreCase),
                }));

            services.AddKeyedScoped<IS3Service, ContractS3Service>(ContractBucketName);
        }

        return services;
    }
}