Add contract type check to envelope validation

ValidateEnvelopeForSending now skips element checks if the envelope does not require a signature (i.e., contract type is not ReadAndSign), preventing unnecessary validation for such envelopes.

EnvelopeGenerator.Application/Contracts/Repositories/IConfigRepository.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Repositories/IDocumentReceiverElementRepository.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 /// <summary>
 /// 
 /// </summary>

EnvelopeGenerator.Application/Contracts/Repositories/IDocumentStatusRepository.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Repositories/IEmailTemplateRepository.cs

@@ -2,7 +2,7 @@
 using EnvelopeGenerator.Domain.Entities;
 using static EnvelopeGenerator.Domain.Constants;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Repositories/IEnvelopeCertificateRepository.cs

@@ -0,0 +1,12 @@
+using DigitalData.Core.Abstraction.Application.Repository;
+using EnvelopeGenerator.Domain.Entities;
+
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
+
+/// <summary>
+/// 
+/// </summary>
+[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
+public interface IEnvelopeCertificateRepository : ICRUDRepository<EnvelopeCertificate, int>
+{
+}

EnvelopeGenerator.Application/Contracts/Repositories/IEnvelopeDocumentRepository.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Repositories/IEnvelopeHistoryRepository.cs

@@ -2,7 +2,7 @@
 using EnvelopeGenerator.Domain;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Repositories/IEnvelopeReceiverReadOnlyRepository.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Repositories/IEnvelopeReceiverRepository.cs

@@ -1,8 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Domain;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 
@@ -84,7 +83,7 @@ public interface IEnvelopeReceiverRepository : ICRUDRepository<EnvelopeReceiver,
     /// <param name="max_status"></param>
     /// <param name="ignore_statuses"></param>
     /// <returns></returns>
-    Task<IEnumerable<EnvelopeReceiver>> ReadByUsernameAsync(string username, Constants.EnvelopeStatus? min_status = null, Constants.EnvelopeStatus? max_status = null, params Constants.EnvelopeStatus[] ignore_statuses);
+    Task<IEnumerable<EnvelopeReceiver>> ReadByUsernameAsync(string username, int? min_status = null, int? max_status = null, params int[] ignore_statuses);
 
     /// <summary>
     /// 

EnvelopeGenerator.Application/Contracts/Repositories/IEnvelopeRepository.cs

@@ -1,8 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Domain;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 
@@ -39,5 +38,5 @@ public interface IEnvelopeRepository : ICRUDRepository<Envelope, int>
     /// <param name="max_status"></param>
     /// <param name="ignore_statuses"></param>
     /// <returns></returns>
-    Task<IEnumerable<Envelope>> ReadByUserAsync(int userId, Constants.EnvelopeStatus? min_status = null, Constants.EnvelopeStatus? max_status = null, params Constants.EnvelopeStatus[] ignore_statuses);
+    Task<IEnumerable<Envelope>> ReadByUserAsync(int userId, int? min_status = null, int? max_status = null, params int[] ignore_statuses);
 }

EnvelopeGenerator.Application/Contracts/Repositories/IEnvelopeTypeRepository.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Repositories/IReceiverRepository.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Repositories;
+namespace EnvelopeGenerator.Application.Contracts.Repositories;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/SQLExecutor/IDocumentExecutor.cs

@@ -1,6 +1,6 @@
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+namespace EnvelopeGenerator.Application.Contracts.SQLExecutor;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/SQLExecutor/IEnvelopeExecutor.cs

@@ -1,7 +1,7 @@
 using Dapper;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+namespace EnvelopeGenerator.Application.Contracts.SQLExecutor;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/SQLExecutor/IEnvelopeReceiverExecutor.cs

@@ -1,6 +1,6 @@
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+namespace EnvelopeGenerator.Application.Contracts.SQLExecutor;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/SQLExecutor/IQuery.cs

@@ -1,4 +1,4 @@
-namespace EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+namespace EnvelopeGenerator.Application.Contracts.SQLExecutor;
 
 /// <summary>
 /// Provides methods for executing common queries on a given entity type.

EnvelopeGenerator.Application/Contracts/SQLExecutor/ISQL.cs

@@ -1,4 +1,4 @@
-namespace EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+namespace EnvelopeGenerator.Application.Contracts.SQLExecutor;
 
 /// <summary>
 /// Represents a raw SQL query contract.

EnvelopeGenerator.Application/Contracts/SQLExecutor/ISQLExecutor.cs

@@ -1,4 +1,4 @@
-namespace EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+namespace EnvelopeGenerator.Application.Contracts.SQLExecutor;
 
 /// <summary>
 /// Defines methods for executing raw SQL queries or custom SQL query classes and returning query executors for further operations.

EnvelopeGenerator.Application/Contracts/SQLExecutor/ISQLExecutorBaseEntity.cs

@@ -1,6 +1,6 @@
 using Dapper;
 
-namespace EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+namespace EnvelopeGenerator.Application.Contracts.SQLExecutor;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IAuthenticator.cs

@@ -1,6 +1,6 @@
 using OtpNet;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IConfigService.cs

@@ -1,9 +1,9 @@
 using DigitalData.Core.Abstraction.Application;
 using DigitalData.Core.Abstraction.Application.DTO;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IDocumentReceiverElementService.cs

@@ -1,8 +1,8 @@
 using DigitalData.Core.Abstraction.Application;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IDocumentStatusService.cs

@@ -1,7 +1,7 @@
 using DigitalData.Core.Abstraction.Application;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IEmailTemplateService.cs

@@ -1,10 +1,10 @@
 using DigitalData.Core.Abstraction.Application;
 using DigitalData.Core.Abstraction.Application.DTO;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
 using static EnvelopeGenerator.Domain.Constants;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeCertificateService.cs

@@ -0,0 +1,13 @@
+using DigitalData.Core.Abstraction.Application;
+using EnvelopeGenerator.Application.DTOs;
+using EnvelopeGenerator.Domain.Entities;
+
+namespace EnvelopeGenerator.Application.Contracts.Services;
+
+/// <summary>
+/// 
+/// </summary>
+[Obsolete("Use MediatR")]
+public interface IEnvelopeCertificateService : IBasicCRUDService<EnvelopeCertificateDto, EnvelopeCertificate, int>
+{
+}

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeDocumentService.cs

@@ -1,8 +1,8 @@
 using DigitalData.Core.Abstraction.Application;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeHistoryService.cs

@@ -1,11 +1,11 @@
 using DigitalData.Core.Abstraction.Application;
 using DigitalData.Core.Abstraction.Application.DTO;
-using EnvelopeGenerator.Application.Dto.EnvelopeHistory;
-using EnvelopeGenerator.Application.Dto.Receiver;
+using EnvelopeGenerator.Application.DTOs.EnvelopeHistory;
+using EnvelopeGenerator.Application.DTOs.Receiver;
 using EnvelopeGenerator.Domain.Entities;
 using static EnvelopeGenerator.Domain.Constants;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeMailService.cs

@@ -1,10 +1,10 @@
 using DigitalData.Core.Abstraction.Application.DTO;
 using DigitalData.EmailProfilerDispatcher.Abstraction.Contracts;
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiverReadOnly;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly;
 using EnvelopeGenerator.Domain;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeReceiverReadOnlyService.cs

@@ -1,8 +1,8 @@
 using DigitalData.Core.Abstraction.Application;
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiverReadOnly;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeReceiverService.cs

@@ -1,15 +1,13 @@
 using CommandDotNet;
 using DigitalData.Core.Abstraction.Application;
 using DigitalData.Core.Abstraction.Application.DTO;
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
-using EnvelopeGenerator.Application.Dto.Messaging;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
+using EnvelopeGenerator.Application.DTOs.Messaging;
 using EnvelopeGenerator.Application.Envelopes;
-using EnvelopeGenerator.Application.Envelopes.Queries;
-using EnvelopeGenerator.Application.Receivers.Queries;
-using EnvelopeGenerator.Domain;
+using EnvelopeGenerator.Application.Receivers.Queries.Read;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 
@@ -122,7 +120,7 @@ public interface IEnvelopeReceiverService : IBasicCRUDService<EnvelopeReceiverDt
     /// <param name="receiverQuery"></param>
     /// <param name="ignore_statuses"></param>
     /// <returns></returns>
-    Task<DataResult<IEnumerable<EnvelopeReceiverDto>>> ReadByUsernameAsync(string username, Constants.EnvelopeStatus? min_status = null, Constants.EnvelopeStatus? max_status = null, ReadEnvelopeQuery? envelopeQuery = null, ReadReceiverQuery? receiverQuery = null, params Constants.EnvelopeStatus[] ignore_statuses);
+    Task<DataResult<IEnumerable<EnvelopeReceiverDto>>> ReadByUsernameAsync(string username, int? min_status = null, int? max_status = null, EnvelopeQuery? envelopeQuery = null, ReadReceiverQuery? receiverQuery = null, params int[] ignore_statuses);
 
     /// <summary>
     /// 

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeService.cs

@@ -1,10 +1,9 @@
 using DigitalData.Core.Abstraction.Application;
 using DigitalData.Core.Abstraction.Application.DTO;
-using EnvelopeGenerator.Application.Dto;
-using EnvelopeGenerator.Domain;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 
@@ -41,5 +40,5 @@ public interface IEnvelopeService : IBasicCRUDService<EnvelopeDto, Envelope, int
     /// <param name="max_status"></param>
     /// <param name="ignore_statuses"></param>
     /// <returns></returns>
-    Task<DataResult<IEnumerable<EnvelopeDto>>> ReadByUserAsync(int userId, Constants.EnvelopeStatus? min_status = null, Constants.EnvelopeStatus? max_status = null, params Constants.EnvelopeStatus[] ignore_statuses);
+    Task<DataResult<IEnumerable<EnvelopeDto>>> ReadByUserAsync(int userId, int? min_status = null, int? max_status = null, params int[] ignore_statuses);
 }

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeSmsHandler.cs

@@ -1,7 +1,7 @@
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
-using EnvelopeGenerator.Application.Dto.Messaging;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
+using EnvelopeGenerator.Application.DTOs.Messaging;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IEnvelopeTypeService.cs

@@ -1,8 +1,8 @@
 using DigitalData.Core.Abstraction.Application;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/IReceiverService.cs

@@ -1,9 +1,9 @@
 using DigitalData.Core.Abstraction.Application;
 using DigitalData.Core.Abstraction.Application.DTO;
-using EnvelopeGenerator.Application.Dto.Receiver;
+using EnvelopeGenerator.Application.DTOs.Receiver;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/Contracts/Services/ISmsSender.cs

@@ -1,6 +1,6 @@
-using EnvelopeGenerator.Application.Dto.Messaging;
+using EnvelopeGenerator.Application.DTOs.Messaging;
 
-namespace EnvelopeGenerator.Application.Interfaces.Services;
+namespace EnvelopeGenerator.Application.Contracts.Services;
 
 //TODO: move to DigitalData.Core
 /// <summary>

EnvelopeGenerator.Application/DTOs/ConfigDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto;
+namespace EnvelopeGenerator.Application.DTOs;
 
 /// <summary>
 /// Data Transfer Object representing configuration settings.

EnvelopeGenerator.Application/DTOs/DocumentReceiverElementDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto;
+namespace EnvelopeGenerator.Application.DTOs;
 
 /// <summary>
 /// Data Transfer Object representing a positioned element assigned to a document receiver.

EnvelopeGenerator.Application/DTOs/DocumentStatusDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto;
+namespace EnvelopeGenerator.Application.DTOs;
 
 /// <summary>
 /// Data Transfer Object representing the status of a document for a specific receiver.

EnvelopeGenerator.Application/DTOs/EmailTemplateDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto
+namespace EnvelopeGenerator.Application.DTOs
 {
     /// <summary>
     /// 

EnvelopeGenerator.Application/DTOs/EnvelopeCertificateDto.cs

@@ -0,0 +1,50 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace EnvelopeGenerator.Application.DTOs;
+
+/// <summary>
+/// Data Transfer Object representing certificate information for an envelope.
+/// </summary>
+[ApiExplorerSettings(IgnoreApi = true)]
+public class EnvelopeCertificateDto
+{
+    /// <summary>
+    /// Gets the unique identifier of the certificate.
+    /// </summary>
+    public int Id { get; init; }
+
+    /// <summary>
+    /// Gets the envelope ID associated with the certificate.
+    /// </summary>
+    public int EnvelopeId { get; init; }
+
+    /// <summary>
+    /// Gets the UUID of the envelope.
+    /// </summary>
+    public string EnvelopeUuid { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Gets the subject of the envelope.
+    /// </summary>
+    public string EnvelopeSubject { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Gets the ID of the creator of the envelope.
+    /// </summary>
+    public int CreatorId { get; init; }
+
+    /// <summary>
+    /// Gets the name of the creator.
+    /// </summary>
+    public string CreatorName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Gets the email address of the creator.
+    /// </summary>
+    public string CreatorEmail { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Gets the current status of the envelope.
+    /// </summary>
+    public int EnvelopeStatus { get; init; }
+}

EnvelopeGenerator.Application/DTOs/EnvelopeDocumentDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto;
+namespace EnvelopeGenerator.Application.DTOs;
 
 /// <summary>
 /// Data Transfer Object representing a document within an envelope, including optional binary data and form elements.

EnvelopeGenerator.Application/DTOs/EnvelopeDto.cs

@@ -3,7 +3,7 @@ using DigitalData.UserManager.Application.DTOs.User;
 using EnvelopeGenerator.Domain.Entities;
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto;
+namespace EnvelopeGenerator.Application.DTOs;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/EnvelopeHistory/EnvelopeHistoryCreateDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeHistory;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeHistory;
 
 /// <summary>
 /// Data Transfer Object for creating a new envelope history record.

EnvelopeGenerator.Application/DTOs/EnvelopeHistory/EnvelopeHistoryDto.cs

@@ -1,8 +1,8 @@
 using DigitalData.UserManager.Application.DTOs.User;
-using EnvelopeGenerator.Application.Dto.Receiver;
+using EnvelopeGenerator.Application.DTOs.Receiver;
 using static EnvelopeGenerator.Domain.Constants;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeHistory;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeHistory;
 
 /// <summary>
 /// Data Transfer Object representing the history of an envelope, including status, sender, receiver, and related metadata.
@@ -25,7 +25,7 @@ public record EnvelopeHistoryDto
     public required string UserReference { get; set; }
 
     /// <summary>
-    /// Include code of the envelope at this history point.
+    /// Status code of the envelope at this history point.
     /// </summary>
     public int Status { get; set; }
 

EnvelopeGenerator.Application/DTOs/EnvelopeReceiver/EnvelopeReceiverBasicDto.cs

@@ -1,7 +1,7 @@
 using DigitalData.EmailProfilerDispatcher.Abstraction.Attributes;
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/EnvelopeReceiver/EnvelopeReceiverDto.cs

@@ -1,7 +1,7 @@
-using EnvelopeGenerator.Application.Dto.Receiver;
+using EnvelopeGenerator.Application.DTOs.Receiver;
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/EnvelopeReceiver/EnvelopeReceiverSecretDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/EnvelopeReceiverReadOnly/EnvelopeReceiverReadOnlyCreateDto.cs

@@ -2,7 +2,7 @@
 using System.ComponentModel.DataAnnotations;
 using System.Text.Json.Serialization;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeReceiverReadOnly;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/EnvelopeReceiverReadOnly/EnvelopeReceiverReadOnlyDto.cs

@@ -1,7 +1,7 @@
-using EnvelopeGenerator.Application.Dto.Receiver;
+using EnvelopeGenerator.Application.DTOs.Receiver;
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeReceiverReadOnly;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly;
 
 /// <summary>
 /// Represents a read-only Data Transfer Object (DTO) for an envelope receiver.

EnvelopeGenerator.Application/DTOs/EnvelopeReceiverReadOnly/EnvelopeReceiverReadOnlyUpdateDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.EnvelopeReceiverReadOnly;
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly;
 
 /// <summary>
 /// Data Transfer Object for updating a read-only envelope receiver.

EnvelopeGenerator.Application/DTOs/EnvelopeTypeDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto;
+namespace EnvelopeGenerator.Application.DTOs;
 
 /// <summary>
 /// Data Transfer Object representing a type of envelope with its configuration settings.

EnvelopeGenerator.Application/DTOs/MappingProfile.cs

@@ -1,13 +1,13 @@
 using AutoMapper;
-using EnvelopeGenerator.Application.Dto.EnvelopeHistory;
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiverReadOnly;
-using EnvelopeGenerator.Application.Dto.Messaging;
-using EnvelopeGenerator.Application.Dto.Receiver;
+using EnvelopeGenerator.Application.DTOs.EnvelopeHistory;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly;
+using EnvelopeGenerator.Application.DTOs.Messaging;
+using EnvelopeGenerator.Application.DTOs.Receiver;
 using EnvelopeGenerator.Application.Extensions;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Dto;
+namespace EnvelopeGenerator.Application.DTOs;
 
 /// <summary>
 /// Represents the AutoMapper profile configuration for mapping between
@@ -27,6 +27,7 @@ public class MappingProfile : Profile
         CreateMap<DocumentStatus, DocumentStatusDto>();
         CreateMap<EmailTemplate, EmailTemplateDto>();
         CreateMap<Envelope, EnvelopeDto>();
+        CreateMap<EnvelopeCertificate, EnvelopeCertificateDto>();
         CreateMap<EnvelopeDocument, EnvelopeDocumentDto>();
         CreateMap<Domain.Entities.EnvelopeHistory, EnvelopeHistoryDto>();
         CreateMap<Domain.Entities.EnvelopeHistory, EnvelopeHistoryCreateDto>();
@@ -44,6 +45,7 @@ public class MappingProfile : Profile
         CreateMap<DocumentStatusDto, DocumentStatus>();
         CreateMap<EmailTemplateDto, EmailTemplate>();
         CreateMap<EnvelopeDto, Envelope>();
+        CreateMap<EnvelopeCertificateDto, EnvelopeCertificate>();
         CreateMap<EnvelopeDocumentDto, EnvelopeDocument>();
         CreateMap<EnvelopeHistoryDto, Domain.Entities.EnvelopeHistory>();
         CreateMap<EnvelopeHistoryCreateDto, Domain.Entities.EnvelopeHistory>();

EnvelopeGenerator.Application/DTOs/Messaging/GtxMessagingResponse.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.Messaging;
+namespace EnvelopeGenerator.Application.DTOs.Messaging;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/Messaging/SmsResponse.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.Messaging;
+namespace EnvelopeGenerator.Application.DTOs.Messaging;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/Receiver/ReceiverCreateDto.cs

@@ -3,7 +3,7 @@ using System.ComponentModel.DataAnnotations;
 using System.Security.Cryptography;
 using System.Text;
 
-namespace EnvelopeGenerator.Application.Dto.Receiver;
+namespace EnvelopeGenerator.Application.DTOs.Receiver;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/Receiver/ReceiverReadDto.cs

@@ -1,8 +1,8 @@
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
+using EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
 using Microsoft.AspNetCore.Mvc;
 using System.Text.Json.Serialization;
 
-namespace EnvelopeGenerator.Application.Dto.Receiver;
+namespace EnvelopeGenerator.Application.DTOs.Receiver;
 
 /// <summary>
 /// 

EnvelopeGenerator.Application/DTOs/Receiver/ReceiverUpdateDto.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 
-namespace EnvelopeGenerator.Application.Dto.Receiver;
+namespace EnvelopeGenerator.Application.DTOs.Receiver;
 
 /// <summary>
 /// Data Transfer Object for updating a receiver's information.

EnvelopeGenerator.Application/DependencyInjection.cs

@@ -5,9 +5,9 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using DigitalData.Core.Client;
 using QRCoder;
-using EnvelopeGenerator.Application.Interfaces.Services;
+using EnvelopeGenerator.Application.Contracts.Services;
 using System.Reflection;
-using EnvelopeGenerator.Application.EnvelopeReceivers.Commands;
+using EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;
 
 namespace EnvelopeGenerator.Application;
 
@@ -33,6 +33,7 @@ public static class DependencyInjection
         services.TryAddScoped<IDocumentStatusService, DocumentStatusService>();
         services.TryAddScoped<IEmailTemplateService, EmailTemplateService>();
         services.TryAddScoped<IEnvelopeService, EnvelopeService>();
+        services.TryAddScoped<IEnvelopeCertificateService, EnvelopeCertificateService>();
         services.TryAddScoped<IEnvelopeDocumentService, EnvelopeDocumentService>();
         services.TryAddScoped<IEnvelopeReceiverService, EnvelopeReceiverService>();
         services.TryAddScoped<IEnvelopeTypeService, EnvelopeTypeService>();

EnvelopeGenerator.Application/Documents/Queries/Read/ReadDocumentMappingProfile.cs

@@ -0,0 +1,18 @@
+using AutoMapper;
+using EnvelopeGenerator.Domain.Entities;
+
+namespace EnvelopeGenerator.Application.Documents.Queries.Read;
+
+/// <summary>
+/// 
+/// </summary>
+public class ReadDocumentMappingProfile : Profile
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public ReadDocumentMappingProfile()
+    {
+        CreateMap<EnvelopeDocument, ReadDocumentResponse>();
+    }
+}

EnvelopeGenerator.Application/Documents/Queries/Read/ReadDocumentQuery.cs

@@ -0,0 +1,12 @@
+using MediatR;
+
+namespace EnvelopeGenerator.Application.Documents.Queries.Read;
+
+/// <summary>
+/// Represents a query to read a document based on its unique identifier or associated envelope identifier.
+/// </summary>
+/// <param name="Id">The unique identifier of the document. Optional.</param>
+/// <param name="EnvelopeId">The identifier of the envelope associated with the document. Optional.</param>
+public record ReadDocumentQuery(int? Id = null, int? EnvelopeId = null) : IRequest<ReadDocumentResponse?>
+{
+}

EnvelopeGenerator.Application/Documents/Queries/Read/ReadDocumentQueryHandler.cs

@@ -1,69 +1,48 @@
 using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Application.Dto;
-using MediatR;
 using EnvelopeGenerator.Domain.Entities;
-using Microsoft.EntityFrameworkCore;
-using AutoMapper;
+using MediatR;
 
-namespace EnvelopeGenerator.Application.Documents.Queries;
-
-/// <summary>
-/// Represents a query to read a document based on its unique identifier or associated envelope identifier.
-/// </summary>
-/// <param name="Id">The unique identifier of the document. Optional.</param>
-/// <param name="EnvelopeId">The identifier of the envelope associated with the document. Optional.</param>
-public record ReadDocumentQuery(int? Id = null, int? EnvelopeId = null) : IRequest<EnvelopeDocumentDto?>
-{
-}
+namespace EnvelopeGenerator.Application.Documents.Queries.Read;
 
 /// <summary>
 /// Handles queries for reading <see cref="EnvelopeDocument"/> data based on either the document ID or the envelope ID.
 /// </summary>
-public class ReadDocumentQueryHandler : IRequestHandler<ReadDocumentQuery, EnvelopeDocumentDto?>
+public class ReadDocumentQueryHandler : IRequestHandler<ReadDocumentQuery, ReadDocumentResponse?>
 {
     /// <summary>
     /// Repository for accessing <see cref="EnvelopeDocument"/> entities.
     /// </summary>
     private readonly IRepository<EnvelopeDocument> _repo;
 
-    private readonly IMapper _mapper;
-
     /// <summary>
     /// Initializes a new instance of the <see cref="ReadDocumentQueryHandler"/> class.
     /// </summary>
     /// <param name="envelopeDocumentRepository">The repository used to access <see cref="EnvelopeDocument"/> entities.</param>
-    public ReadDocumentQueryHandler(IRepository<EnvelopeDocument> envelopeDocumentRepository, IMapper mapper)
+    public ReadDocumentQueryHandler(IRepository<EnvelopeDocument> envelopeDocumentRepository)
     {
         _repo = envelopeDocumentRepository;
-        _mapper = mapper;
     }
 
     /// <summary>
-    /// Handles the <see cref="ReadDocumentQuery"/> and returns a <see cref="EnvelopeDocumentDto"/> based on the provided identifiers.
+    /// Handles the <see cref="ReadDocumentQuery"/> and returns a <see cref="ReadDocumentResponse"/> based on the provided identifiers.
     /// </summary>
     /// <param name="query">The query containing the document ID or envelope ID to search for.</param>
     /// <param name="cancellationToken">A token to monitor for cancellation requests.</param>
     /// <returns>
-    /// A <see cref="EnvelopeDocumentDto"/> if a matching document is found; otherwise, <c>null</c>.
+    /// A <see cref="ReadDocumentResponse"/> if a matching document is found; otherwise, <c>null</c>.
     /// </returns>
     /// <exception cref="InvalidOperationException">
     /// Thrown when neither <see cref="ReadDocumentQuery.Id"/> nor <see cref="ReadDocumentQuery.EnvelopeId"/> is provided.
     /// </exception>
     [Obsolete("Use MediatR")]
-    public async Task<EnvelopeDocumentDto?> Handle(ReadDocumentQuery query, CancellationToken cancellationToken)
+    public async Task<ReadDocumentResponse?> Handle(ReadDocumentQuery query, CancellationToken cancellationToken)
     {
         if (query.Id is not null)
-        {
-            var doc = await _repo.ReadOnly().Where(d => d.Id == query.Id).FirstOrDefaultAsync();
-            return _mapper.Map<EnvelopeDocumentDto>(doc);
-        }            
+            return await _repo.ReadOrDefaultAsync<ReadDocumentResponse>(d => d.Id == query.Id);
         else if (query.EnvelopeId is not null)
-        {
-            var doc = await _repo.ReadOnly().Where(d => d.EnvelopeId == query.EnvelopeId).FirstOrDefaultAsync();
-            return _mapper.Map<EnvelopeDocumentDto>(doc);
-        }
+            return await _repo.ReadOrDefaultAsync<ReadDocumentResponse>(d => d.EnvelopeId == query.EnvelopeId);
 
         throw new InvalidOperationException(
             $"Invalid {nameof(ReadDocumentQuery)}: either {nameof(query.Id)} or {nameof(query.EnvelopeId)} must be provided.");
     }
-}
+}

EnvelopeGenerator.Application/Documents/Queries/Read/ReadDocumentResponse.cs

@@ -0,0 +1,12 @@
+namespace EnvelopeGenerator.Application.Documents.Queries.Read;
+
+/// <summary>
+/// Represents the response for reading a document.
+/// </summary>
+public class ReadDocumentResponse : ReadDocumentResponseBase
+{
+    /// <summary>
+    /// The binary data of the document, if available.
+    /// </summary>
+    public byte[]? ByteData { get; init; }
+}

EnvelopeGenerator.Application/Documents/Queries/Read/ReadDocumentResponseBase.cs

@@ -0,0 +1,22 @@
+namespace EnvelopeGenerator.Application.Documents.Queries.Read;
+
+/// <summary>
+/// Represents the response for reading a document.
+/// </summary>
+public class ReadDocumentResponseBase
+{
+    /// <summary>
+    /// The unique identifier of the document.
+    /// </summary>
+    public int Guid { get; init; }
+
+    /// <summary>
+    /// The identifier of the associated envelope.
+    /// </summary>
+    public int EnvelopeId { get; init; }
+
+    /// <summary>
+    /// The date and time when the document was added.
+    /// </summary>
+    public DateTime AddedWhen { get; init; }
+}

EnvelopeGenerator.Application/EmailTemplates/Commands/Reset/ResetEmailTemplateCommandHandler.cs

@@ -1,9 +1,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Domain.Entities;
 using MediatR;
-using Microsoft.EntityFrameworkCore;
-using System.Linq;
 
 namespace EnvelopeGenerator.Application.EmailTemplates.Commands.Reset;
 
@@ -33,10 +31,10 @@ public class ResetEmailTemplateCommandHandler : IRequestHandler<ResetEmailTempla
     public async Task Handle(ResetEmailTemplateCommand request, CancellationToken cancel)
     {
         var temps = request.Id is not null
-            ? await _repository.ReadOnly().Where(t => t.Id == request.Id).ToListAsync(cancel)
+            ? await _repository.ReadAllAsync<EmailTemplateDto>(t => t.Id == request.Id, cancel)
             : request.Type is not null
-                ? await _repository.ReadOnly().Where(t => t.Name == request.Type.ToString()).ToListAsync(cancel)
-                : await _repository.ReadOnly().ToListAsync(cancel);
+                ? await _repository.ReadAllAsync<EmailTemplateDto>(t => t.Name == request.Type.ToString(), cancel)
+                : await _repository.ReadAllAsync<EmailTemplateDto>(cancellation: cancel);
 
         foreach (var temp in temps)
         {
@@ -84,7 +82,7 @@ public class ResetEmailTemplateCommandHandler : IRequestHandler<ResetEmailTempla
         new(){
         Id = 6,
         Name = "DocumentRejected_ADM",
-        Body = "Guten Tag [NAME_SENDER],<p><B><I>[NAME_RECEIVER]</I></B> hat den Umschlag <B><I>'[DOCUMENT_TITLE]'</I></B> mit folgendem Grund abgelehnt: <p>\r\n[REASON] \r\n<p>Der Umschlag wurde auf den Include Rejected gesetzt. <p> \r\nMit freundlichen Grüßen<br />\r\n<br />\r\n[NAME_PORTAL]",
+        Body = "Guten Tag [NAME_SENDER],<p><B><I>[NAME_RECEIVER]</I></B> hat den Umschlag <B><I>'[DOCUMENT_TITLE]'</I></B> mit folgendem Grund abgelehnt: <p>\r\n[REASON] \r\n<p>Der Umschlag wurde auf den Status Rejected gesetzt. <p> \r\nMit freundlichen Grüßen<br />\r\n<br />\r\n[NAME_PORTAL]",
         Subject = "'[DOCUMENT_TITLE]' - Unterzeichnungsvorgang zurückgezogen"
         },
         new(){

EnvelopeGenerator.Application/EmailTemplates/Commands/Update/UpdateEmailTemplateCommandHandler.cs

@@ -1,11 +1,9 @@
-using AutoMapper;
-using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Application.Dto;
+using DigitalData.Core.Abstraction.Application.Repository;
+using EnvelopeGenerator.Application.DTOs;
 using EnvelopeGenerator.Application.Exceptions;
 using EnvelopeGenerator.Domain;
 using EnvelopeGenerator.Domain.Entities;
 using MediatR;
-using Microsoft.EntityFrameworkCore;
 
 namespace EnvelopeGenerator.Application.EmailTemplates.Commands.Update;
 
@@ -15,17 +13,14 @@ namespace EnvelopeGenerator.Application.EmailTemplates.Commands.Update;
 public class UpdateEmailTemplateCommandHandler : IRequestHandler<UpdateEmailTemplateCommand>
 {
     private readonly IRepository<EmailTemplate> _repository;
-    
-    private readonly IMapper _mapper;
 
     /// <summary>
     /// 
     /// </summary>
     /// <param name="repository"></param>
-    public UpdateEmailTemplateCommandHandler(IRepository<EmailTemplate> repository, IMapper mapper)
+    public UpdateEmailTemplateCommandHandler(IRepository<EmailTemplate> repository)
     {
         _repository = repository;
-        _mapper = mapper;
     }
 
     /// <summary>
@@ -39,34 +34,32 @@ public class UpdateEmailTemplateCommandHandler : IRequestHandler<UpdateEmailTemp
     [Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
     public async Task Handle(UpdateEmailTemplateCommand request, CancellationToken cancel)
     {
-        EmailTemplateDto? tempDto;
+        EmailTemplateDto? temp;
 
         if (request.EmailTemplateQuery?.Id is int id)
         {
-            var temp = await _repository.ReadOnly().Where(t => t.Id == id).FirstOrDefaultAsync(cancel);
-            tempDto = _mapper.Map<EmailTemplateDto>(temp);
+            temp = await _repository.ReadOrDefaultAsync<EmailTemplateDto>(t => t.Id == id, single: false, cancel);
         }
         else if (request!.EmailTemplateQuery!.Type is Constants.EmailTemplateType type)
         {
-            var temp = await _repository.ReadOnly().Where(t => t.Name == type.ToString()).FirstOrDefaultAsync(cancel);
-            tempDto = _mapper.Map<EmailTemplateDto>(temp);
+            temp = await _repository.ReadOrDefaultAsync<EmailTemplateDto>(t => t.Name == type.ToString(), single: false, cancel);
         }
         else
         {
             throw new InvalidOperationException("Both id and type is null. Id: " + request.EmailTemplateQuery.Id +". Type: " + request.EmailTemplateQuery.Type.ToString());
         }
 
-        if (tempDto == null)
+        if (temp == null)
         {
             throw new NotFoundException();
         }
 
         if (request.Body is not null)
-            tempDto.Body = request.Body;
+            temp.Body = request.Body;
 
         if (request.Subject is not null)
-            tempDto.Subject = request.Subject;
+            temp.Subject = request.Subject;
 
-        await _repository.UpdateAsync(tempDto, t => t.Id == tempDto.Id, cancel);
+        await _repository.UpdateAsync(temp, t => t.Id == temp.Id, cancel);
     }
 }

EnvelopeGenerator.Application/EmailTemplates/Queries/Read/ReadEmailTemplateMappingProfile.cs

@@ -1,5 +1,4 @@
 using AutoMapper;
-using EnvelopeGenerator.Application.EmailTemplates.Queries.Read;
 using EnvelopeGenerator.Domain.Entities;
 using System;
 using System.Collections.Generic;
@@ -7,17 +6,17 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace EnvelopeGenerator.Application.EmailTemplates;
+namespace EnvelopeGenerator.Application.EmailTemplates.Queries.Read;
 
 /// <summary>
 /// 
 /// </summary>
-public class MappingProfile : Profile
+public class ReadEmailTemplateMappingProfile : Profile
 {
     /// <summary>
     /// 
     /// </summary>
-    public MappingProfile()
+    public ReadEmailTemplateMappingProfile()
     {
         CreateMap<EmailTemplate, ReadEmailTemplateResponse>();
     }

EnvelopeGenerator.Application/EmailTemplates/Queries/Read/ReadEmailTemplateQueryHandler.cs

@@ -1,5 +1,5 @@
 using AutoMapper;
-using EnvelopeGenerator.Application.Interfaces.Repositories;
+using EnvelopeGenerator.Application.Contracts.Repositories;
 using EnvelopeGenerator.Domain;
 using MediatR;
 

EnvelopeGenerator.Application/EnvelopeGenerator.Application.csproj

@@ -14,28 +14,17 @@
 
 	<ItemGroup>
 		<PackageReference Include="Dapper" Version="2.1.66" />
-		<PackageReference Include="DigitalData.Core.Abstraction.Application" Version="1.1.0" />
-		<PackageReference Include="DigitalData.Core.Application" Version="3.4.0" />
+		<PackageReference Include="DigitalData.Core.Abstraction.Application" Version="1.0.0" />
+		<PackageReference Include="DigitalData.Core.Application" Version="3.3.4" />
 		<PackageReference Include="DigitalData.Core.Client" Version="2.1.0" />
 		<PackageReference Include="DigitalData.EmailProfilerDispatcher" Version="3.1.1" />
 		<PackageReference Include="MediatR" Version="12.5.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.18" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.5" />
 		<PackageReference Include="Otp.NET" Version="1.4.0" />
 		<PackageReference Include="QRCoder" Version="1.6.0" />
 		<PackageReference Include="QRCoder-ImageSharp" Version="0.10.0" />
-		<PackageReference Include="UserManager" Version="1.1.3" />
-	</ItemGroup>
-
-	<ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
-	</ItemGroup>
-
-	<ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.5" />
-	</ItemGroup>
-
-	<ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.5" />
+		<PackageReference Include="UserManager" Version="1.1.1" />
 	</ItemGroup>
 
 	<ItemGroup>

EnvelopeGenerator.Application/EnvelopeReceivers/Commands/Create/CreateEnvelopeReceiverCommand.cs

@@ -0,0 +1,21 @@
+using EnvelopeGenerator.Application.Envelopes.Commands;
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;
+
+/// <summary>
+/// Befehl zur Erstellung eines Umschlags.
+/// </summary>
+/// <param name="Title">Der Titel des Umschlags. Dies ist ein Pflichtfeld.</param>
+/// <param name="Message">Die Nachricht, die im Umschlag enthalten sein soll. Dies ist ein Pflichtfeld.</param>
+/// <param name="Document">Das mit dem Umschlag verknüpfte Dokument. Dies ist ein Pflichtfeld.</param>
+/// <param name="Receivers">Eine Sammlung von Empfängern, die den Umschlag erhalten. Dies ist ein Pflichtfeld.</param>
+/// <param name="TFAEnabled">Gibt an, ob die Zwei-Faktor-Authentifizierung für den Umschlag aktiviert ist. Standardmäßig false.</param>
+public record CreateEnvelopeReceiverCommand(
+    [Required] string Title,
+    [Required] string Message,
+    [Required] DocumentCreateCommand Document,
+    [Required] IEnumerable<ReceiverGetOrCreateCommand> Receivers,
+    bool TFAEnabled = false
+    ) : CreateEnvelopeCommand(Title, Message, TFAEnabled), IRequest<CreateEnvelopeReceiverResponse>;

EnvelopeGenerator.Application/EnvelopeReceivers/Commands/Create/CreateEnvelopeReceiverCommandHandler.cs

@@ -1,10 +1,10 @@
 using AutoMapper;
-using EnvelopeGenerator.Application.Interfaces.SQLExecutor;
-using EnvelopeGenerator.Application.Dto.Receiver;
+using EnvelopeGenerator.Application.Contracts.SQLExecutor;
+using EnvelopeGenerator.Application.DTOs.Receiver;
 using EnvelopeGenerator.Domain.Entities;
 using MediatR;
 
-namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands;
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;
 
 /// <summary>
 /// Handles the creation of an envelope along with its associated document and recipients.

EnvelopeGenerator.Application/EnvelopeReceivers/Commands/Create/CreateEnvelopeReceiverDtos.cs

@@ -1,26 +1,13 @@
-using EnvelopeGenerator.Application.Envelopes.Commands;
-using MediatR;
+using System;
+using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
 
-namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands;
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;
 
-/// <summary>
-/// Befehl zur Erstellung eines Umschlags.
-/// </summary>
-/// <param name="Title">Der Titel des Umschlags. Dies ist ein Pflichtfeld.</param>
-/// <param name="Message">Die Nachricht, die im Umschlag enthalten sein soll. Dies ist ein Pflichtfeld.</param>
-/// <param name="Document">Das mit dem Umschlag verknüpfte Dokument. Dies ist ein Pflichtfeld.</param>
-/// <param name="Receivers">Eine Sammlung von Empfängern, die den Umschlag erhalten. Dies ist ein Pflichtfeld.</param>
-/// <param name="TFAEnabled">Gibt an, ob die Zwei-Faktor-Authentifizierung für den Umschlag aktiviert ist. Standardmäßig false.</param>
-public record CreateEnvelopeReceiverCommand(
-    [Required] string Title,
-    [Required] string Message,
-    [Required] DocumentCreateCommand Document,
-    [Required] IEnumerable<ReceiverGetOrCreateCommand> Receivers,
-    bool TFAEnabled = false
-    ) : CreateEnvelopeCommand(Title, Message, TFAEnabled), IRequest<CreateEnvelopeReceiverResponse>;
-
-#region Subcommands
+#region DTOs
 /// <summary>
 /// Signaturposition auf einem Dokument.
 /// </summary>

EnvelopeGenerator.Application/EnvelopeReceivers/Commands/Create/CreateEnvelopeReceiverMappingProfile.cs

@@ -0,0 +1,21 @@
+using AutoMapper;
+using EnvelopeGenerator.Application.DTOs.Receiver;
+using EnvelopeGenerator.Application.Envelopes.Commands;
+using EnvelopeGenerator.Domain.Entities;
+
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;
+
+/// <summary>
+/// 
+/// </summary>
+public class CreateEnvelopeReceiverMappingProfile : Profile
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public CreateEnvelopeReceiverMappingProfile()
+    {
+        CreateMap<Envelope, CreateEnvelopeResponse>();
+        CreateMap<Receiver, ReceiverReadDto>();
+    }
+}

EnvelopeGenerator.Application/EnvelopeReceivers/Commands/Create/CreateEnvelopeReceiverResponse.cs

@@ -0,0 +1,39 @@
+using DigitalData.UserManager.Domain.Entities;
+using EnvelopeGenerator.Application.DTOs.Receiver;
+using EnvelopeGenerator.Application.Envelopes.Commands;
+
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;
+
+/// <summary>
+/// 
+/// </summary>
+public record CreateEnvelopeReceiverResponse : CreateEnvelopeResponse
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="Id"></param>
+    /// <param name="UserId"></param>
+    /// <param name="Status"></param>
+    /// <param name="Uuid"></param>
+    /// <param name="Message"></param>
+    /// <param name="AddedWhen"></param>
+    /// <param name="ChangedWhen"></param>
+    /// <param name="Title"></param>
+    /// <param name="Language"></param>
+    /// <param name="TFAEnabled"></param>
+    /// <param name="User"></param>
+    public CreateEnvelopeReceiverResponse(int Id, int UserId, int Status, string Uuid, string? Message, DateTime AddedWhen, DateTime? ChangedWhen, string? Title, string Language, bool TFAEnabled, User User) : base(Id, UserId, Status, Uuid, Message, AddedWhen, ChangedWhen, Title, Language, TFAEnabled, User)
+    {
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public IEnumerable<ReceiverReadDto> SentReceiver { get; set; } = new List<ReceiverReadDto>();
+
+    /// <summary>
+    /// 
+    /// </summary>
+    public IEnumerable<ReceiverGetOrCreateCommand> UnsentReceivers { get; set; } = new List<ReceiverGetOrCreateCommand>();
+}

EnvelopeGenerator.Application/EnvelopeReceivers/Commands/CreateEnvelopeReceiverResponse.cs

@@ -1,20 +0,0 @@
-using EnvelopeGenerator.Application.Dto;
-using EnvelopeGenerator.Application.Dto.Receiver;
-
-namespace EnvelopeGenerator.Application.EnvelopeReceivers.Commands;
-
-/// <summary>
-/// 
-/// </summary>
-public record CreateEnvelopeReceiverResponse : EnvelopeDto
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    public IEnumerable<ReceiverReadDto> SentReceiver { get; set; } = new List<ReceiverReadDto>();
-
-    /// <summary>
-    /// 
-    /// </summary>
-    public IEnumerable<ReceiverGetOrCreateCommand> UnsentReceivers { get; set; } = new List<ReceiverGetOrCreateCommand>();
-}

EnvelopeGenerator.Application/EnvelopeReceivers/EnvelopeReceiverQuery.cs

@@ -1,32 +1,16 @@
-using MediatR;
-using EnvelopeGenerator.Domain;
+using EnvelopeGenerator.Application.Histories;
 
-namespace EnvelopeGenerator.Application.Envelopes.Queries;
+namespace EnvelopeGenerator.Application.EnvelopeReceivers;
 
 /// <summary>
-/// Repräsentiert eine Abfrage für Umschläge.
+/// Stellt eine Abfrage für einen Envelope-Empfänger dar.
 /// </summary>
-public class ReadEnvelopeQuery : IRequest
-{
-    /// <summary>
-    /// Die eindeutige Kennung des Umschlags.
-    /// </summary>
-    public int? Id { get; init; }
-
-    /// <summary>
-    /// Die universell eindeutige Kennung des Umschlags.
-    /// </summary>
-    public string? Uuid { get; init; }
-
-    /// <summary>
-    /// Abfrage des Include des Umschlags
-    /// </summary>
-    public EnvelopeStatus? Status { get; init; }
-}
+/// <param name="Status">Der Status der Abfrage, optional.</param>
+public record EnvelopeReceiverQuery(EnvelopeStatusQuery? Status = null);
 
 /// <summary>
-/// Repräsentiert den Include eines Umschlags und dessen Beziehung zum Empfänger. (vgl. auch <see cref="Constants.EnvelopeStatus"/>
-/// Invalid (0): Ungültiger Include.
+/// Repräsentiert den Status eines Umschlags und dessen Beziehung zum Empfänger. (vgl. auch <see cref="Common.Constants.EnvelopeStatus"/>
+/// Invalid (0): Ungültiger Status.
 /// EnvelopeCreated (1001): Der Umschlag wurde erstellt.
 /// EnvelopeSaved (1002): Der Umschlag wurde gespeichert.
 /// EnvelopeQueued (1003): Der Umschlag wurde zur Verarbeitung eingeplant.
@@ -51,26 +35,13 @@ public class ReadEnvelopeQuery : IRequest
 /// MessageConfirmationSent (3003): Bestätigungsnachricht wurde gesendet.
 /// MessageDeletionSent (3004): Löschbenachrichtigung wurde gesendet.
 /// MessageCompletionSent (3005): Abschlussbenachrichtigung wurde gesendet.
+/// <param name="Min">Der minimale Statuswert, der berücksichtigt werden soll.</param>
+/// <param name="Max">Der maximale Statuswert, der berücksichtigt werden soll.</param>
+/// <param name="Ignore">Eine Liste von Statuswerten, die ignoriert werden sollen.</param>
 /// </summary>
-public record EnvelopeStatus
+public record EnvelopeStatusQuery(
+    int? Min = null,
+    int? Max = null,
+    int[]? Ignore = null)
 {
-    /// <summary>
-    /// Der minimale Statuswert, der berücksichtigt werden.
-    /// </summary>
-    public Constants.EnvelopeStatus? Min { get; init; }
-
-    /// <summary>
-    /// Der maximale Statuswert, der berücksichtigt werden.
-    /// </summary>
-    public Constants.EnvelopeStatus? Max { get; init; }
-
-    /// <summary>
-    /// Eine Liste von Statuswerten, die einbezogen werden.
-    /// </summary>
-    public Constants.EnvelopeStatus[]? Include { get; init; }
-
-    /// <summary>
-    /// Eine Liste von Statuswerten, die ignoriert werden werden.
-    /// </summary>
-    public Constants.EnvelopeStatus[]? Ignore { get; init; }
-}
+}

EnvelopeGenerator.Application/EnvelopeReceivers/MappingProfile.cs

@@ -1,20 +0,0 @@
-using AutoMapper;
-using EnvelopeGenerator.Application.Dto.Receiver;
-using EnvelopeGenerator.Application.Envelopes.Commands;
-using EnvelopeGenerator.Domain.Entities;
-
-namespace EnvelopeGenerator.Application.EnvelopeReceivers;
-
-/// <summary>
-/// 
-/// </summary>
-public class MappingProfile : Profile
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    public MappingProfile()
-    {
-        CreateMap<Receiver, ReceiverReadDto>();
-    }
-}

EnvelopeGenerator.Application/EnvelopeReceivers/Queries/Read/ReadEnvelopeReceiverQuery.cs

@@ -0,0 +1,30 @@
+using EnvelopeGenerator.Application.Histories;
+using EnvelopeGenerator.Application.Envelopes.Queries.Read;
+using EnvelopeGenerator.Application.Receivers.Queries.Read;
+using MediatR;
+
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries.Read;
+
+/// <summary>
+/// Repräsentiert eine Abfrage zum Lesen eines Envelope-Empfängers.
+/// </summary>
+/// <remarks>
+/// Diese Abfrage kombiniert Informationen über einen Umschlag (<see cref="ReadEnvelopeQuery"/>) 
+/// und einen Empfänger (<see cref="ReadReceiverQuery"/>), um eine vollständige Antwort 
+/// (<see cref="ReadEnvelopeReceiverResponse"/>) zu generieren. 
+/// Die Antwort enthält Details wie den Status, die Zuordnung zwischen Umschlag und Empfänger 
+/// sowie zusätzliche Metadaten.
+/// </remarks>
+/// <param name="Status">Umschlag oder Empfängerstatus.</param>
+public record ReadEnvelopeReceiverQuery(EnvelopeStatusQuery? Status = null) : EnvelopeReceiverQuery(Status), IRequest<ReadEnvelopeReceiverResponse>
+{
+    /// <summary>
+    /// Der Umschlag, der mit dem Empfänger verknüpft ist.
+    /// </summary>
+    public ReadEnvelopeQuery? Envelope { get; init; }
+
+    /// <summary>
+    /// Der Empfänger, der mit dem Umschlag verknüpft ist.
+    /// </summary>
+    public ReadReceiverQuery? Receiver { get; init; }
+};

EnvelopeGenerator.Application/EnvelopeReceivers/Queries/Read/ReadEnvelopeReceiverResponse.cs

@@ -0,0 +1,94 @@
+using DigitalData.EmailProfilerDispatcher.Abstraction.Attributes;
+using EnvelopeGenerator.Application.Envelopes.Queries.Read;
+using EnvelopeGenerator.Application.Receivers.Queries.Read;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries.Read;
+
+/// <summary>
+/// Repräsentiert die Antwort für das Lesen eines Envelope-Empfängers.
+/// </summary>
+/// <remarks>
+/// Diese Klasse enthält Informationen über einen spezifischen Empfänger eines Umschlags (Envelope).
+/// Sie verknüpft die Empfängerinformationen mit den zugehörigen Umschlagsdaten und bietet zusätzliche Metadaten.
+/// </remarks>
+/// <param name="UserId">Die eindeutige Kennung des Benutzers, der den Empfänger erstellt hat.</param>
+/// <param name="Status">Der Status des Empfängers als numerischer Wert.</param>
+public record ReadEnvelopeReceiverResponse(int UserId, int Status)
+{
+    /// <summary>
+    /// Gibt die zusammengesetzte Kennung des Empfängers zurück, bestehend aus der Umschlags-ID und der Empfänger-ID.
+    /// </summary>
+    /// <remarks>
+    /// Diese Eigenschaft kombiniert die eindeutige Kennung des Umschlags (EnvelopeId) und die des Empfängers (ReceiverId) 
+    /// zu einer einzigen, leicht zugänglichen Struktur.
+    /// </remarks>
+    [NotMapped]
+    public (int Envelope, int Receiver) Id => (Envelope: EnvelopeId, Receiver: ReceiverId);
+
+    /// <summary>
+    /// Die eindeutige Kennung des zugehörigen Umschlags.
+    /// </summary>
+    [Required]
+    public int EnvelopeId { get; init; }
+
+    /// <summary>
+    /// Die eindeutige Kennung des Empfängers.
+    /// </summary>
+    [Required]
+    public int ReceiverId { get; init; }
+
+    /// <summary>
+    /// Die Reihenfolge des Empfängers innerhalb des Umschlags.
+    /// </summary>
+    public int Sequence { get; init; }
+
+    /// <summary>
+    /// Der Name des Empfängers. Kann als Platzhalter verwendet werden.
+    /// </summary>
+    [TemplatePlaceholder("[NAME_RECEIVER]")]
+    public string? Name { get; init; }
+
+    /// <summary>
+    /// Die Berufsbezeichnung des Empfängers.
+    /// </summary>
+    public string? JobTitle { get; init; }
+
+    /// <summary>
+    /// Der Firmenname des Empfängers.
+    /// </summary>
+    public string? CompanyName { get; init; }
+
+    /// <summary>
+    /// Eine private Nachricht, die mit dem Empfänger verknüpft ist.
+    /// </summary>
+    public string? PrivateMessage { get; init; }
+
+    /// <summary>
+    /// Das Datum und die Uhrzeit, wann der Empfänger hinzugefügt wurde.
+    /// </summary>
+    public DateTime AddedWhen { get; init; }
+
+    /// <summary>
+    /// Das Datum und die Uhrzeit, wann der Empfänger zuletzt geändert wurde (falls vorhanden).
+    /// </summary>
+    public DateTime? ChangedWhen { get; init; }
+
+    /// <summary>
+    /// Gibt an, ob der Empfänger eine Telefonnummer hat.
+    /// </summary>
+    public bool HasPhoneNumber { get; init; }
+
+    /// <summary>
+    /// Die zugehörigen Umschlagsdaten.
+    /// </summary>
+    [Required]
+    public required ReadEnvelopeResponse Envelope { get; init; }
+
+    /// <summary>
+    /// Die Liste der Empfängerinformationen.
+    /// </summary>
+    [Required]
+    public IEnumerable<ReadReceiverResponse> Receiver { get; init; } = new List<ReadReceiverResponse>();
+}

EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs

@@ -1,104 +0,0 @@
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
-using EnvelopeGenerator.Application.Envelopes.Queries;
-using EnvelopeGenerator.Application.Exceptions;
-using EnvelopeGenerator.Application.Extensions;
-using EnvelopeGenerator.Application.Receivers.Queries;
-using EnvelopeGenerator.Extensions;
-using MediatR;
-
-namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
-
-/// <summary>
-/// Repräsentiert eine Abfrage zum Lesen eines Envelope-Empfängers.
-/// Invalid (0): Ungültiger Include.
-/// EnvelopeCreated (1001): Der Umschlag wurde erstellt.
-/// EnvelopeSaved (1002): Der Umschlag wurde gespeichert.
-/// EnvelopeQueued (1003): Der Umschlag wurde zur Verarbeitung eingeplant.
-/// EnvelopeSent (1004): Der Umschlag wurde versendet. (Nicht verwendet)
-/// EnvelopePartlySigned (1005): Der Umschlag wurde teilweise unterschrieben.
-/// EnvelopeCompletelySigned (1006): Der Umschlag wurde vollständig unterschrieben.
-/// EnvelopeReportCreated (1007): Ein Abschlussbericht wurde für den Umschlag erstellt.
-/// EnvelopeArchived (1008): Der Umschlag wurde archiviert.
-/// EnvelopeDeleted (1009): Der Umschlag wurde gelöscht.
-/// AccessCodeRequested (2001): Der Zugriffscode wurde angefordert.
-/// AccessCodeCorrect (2002): Der Zugriffscode war korrekt.
-/// AccessCodeIncorrect (2003): Der Zugriffscode war falsch.
-/// DocumentOpened (2004): Das Dokument wurde geöffnet.
-/// DocumentSigned (2005): Ein Dokument wurde unterschrieben.
-/// SignatureConfirmed (2006): Die Signatur wurde bestätigt.
-/// DocumentRejected (2007): Ein Dokument wurde abgelehnt.
-/// EnvelopeShared (2008): Der Umschlag wurde geteilt.
-/// EnvelopeViewed (2009): Der Umschlag wurde angesehen.
-/// DocumentForwarded (4001): Das Dokument wurde weitergeleitet.
-/// MessageInvitationSent (3001): Einladung wurde gesendet (vom Trigger verwendet).
-/// MessageAccessCodeSent (3002): Zugriffscode wurde gesendet.
-/// MessageConfirmationSent (3003): Bestätigungsnachricht wurde gesendet.
-/// MessageDeletionSent (3004): Löschbenachrichtigung wurde gesendet.
-/// MessageCompletionSent (3005): Abschlussbenachrichtigung wurde gesendet.
-/// </summary>
-/// <remarks>
-/// Diese Abfrage kombiniert Informationen über einen Umschlag (<see cref="ReadEnvelopeQuery"/>) 
-/// und einen Empfänger (<see cref="ReadReceiverQuery"/>), um eine vollständige Antwort 
-/// (<see cref="EnvelopeReceiverDto"/>) zu generieren. 
-/// Die Antwort enthält Details wie den Include, die Zuordnung zwischen Umschlag und Empfänger 
-/// sowie zusätzliche Metadaten.
-/// </remarks>
-public record ReadEnvelopeReceiverQuery : IRequest<IEnumerable<EnvelopeReceiverDto>>
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    public string? Key
-    { 
-        get => Envelope?.Uuid is string uuid && Receiver?.Signature is string signature
-                ? (uuid, signature).EncodeEnvelopeReceiverId()
-                : null;
-        init
-        {
-            if (value is null)
-                return;
-
-            (string? EnvelopeUuid, string? ReceiverSignature)  = value.DecodeEnvelopeReceiverId();
-            if(string.IsNullOrEmpty(EnvelopeUuid) || string.IsNullOrEmpty(ReceiverSignature))
-            {
-                throw new BadRequestException("Der EnvelopeReceiverKey muss ein gültiger Base64-kodierter String sein, der die EnvelopeUuid und die ReceiverSignature enthält.");
-            }
-            Envelope = new ReadEnvelopeQuery()
-            {
-                Uuid = EnvelopeUuid
-            };
-            Receiver = new ReadReceiverQuery()
-            {
-                Signature = ReceiverSignature
-            };
-        }
-    }
-
-    /// <summary>
-    /// Der Umschlag, der mit dem Empfänger verknüpft ist.
-    /// </summary>
-    public ReadEnvelopeQuery? Envelope { get; set; }
-
-    /// <summary>
-    /// Der Empfänger, der mit dem Umschlag verknüpft ist.
-    /// </summary>
-    public ReadReceiverQuery? Receiver { get; set; }
-};
-
-/// <summary>
-/// 
-/// </summary>
-public static class Extensions
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="mediator"></param>
-    /// <param name="key"></param>
-    /// <returns></returns>
-    public static Task<EnvelopeReceiverDto?> ReadEnvelopeReceiverAsync(this IMediator mediator, string key, CancellationToken cancel = default)
-    {
-        var q = new ReadEnvelopeReceiverQuery() { Key = key };
-        return mediator.Send(q, cancel).Then(envRcvs => envRcvs.FirstOrDefault());
-    }
-}

EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQueryHandler.cs

@@ -1,87 +0,0 @@
-using AutoMapper;
-using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
-using EnvelopeGenerator.Domain.Entities;
-using MediatR;
-using Microsoft.EntityFrameworkCore;
-
-namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
-
-/// <summary>
-/// 
-/// </summary>
-public class ReadEnvelopeReceiverQueryHandler : IRequestHandler<ReadEnvelopeReceiverQuery, IEnumerable<EnvelopeReceiverDto>>
-{
-    private readonly IRepository<EnvelopeReceiver> _repo;
-
-    private readonly IMapper _mapper;
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="envelopeReceiver"></param>
-    /// <param name="mapper"></param>
-    public ReadEnvelopeReceiverQueryHandler(IRepository<EnvelopeReceiver> envelopeReceiver, IMapper mapper)
-    {
-        _repo = envelopeReceiver;
-        _mapper = mapper;
-    }
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="request"></param>
-    /// <param name="cancel"></param>
-    /// <returns></returns>
-    /// <exception cref="NotImplementedException"></exception>
-    public async Task<IEnumerable<EnvelopeReceiverDto>> Handle(ReadEnvelopeReceiverQuery request, CancellationToken cancel)
-    {
-        var q = _repo.Read();
-
-        if(request.Envelope is not null)
-        {
-            var env = request.Envelope;
-            if (env.Id is not null)
-                q = q.Where(er => er.EnvelopeId == env.Id);
-
-            if (env.Status is not null)
-            {
-                if(env.Status.Min is not null)
-                    q = q.Where(er => er.Envelope.Status >= env.Status.Min);
-
-                if(env.Status.Max is not null)
-                    q = q.Where(er => er.Envelope.Status <= env.Status.Max);
-
-                if(env.Status .Include?.Length > 0)
-                    q = q.Where(er => env.Status.Include.Contains(er.Envelope.Status));
-
-                if(env.Status.Ignore is not null)
-                    q = q.Where(er => !env.Status.Ignore.Contains(er.Envelope.Status));
-            }
-
-            if (env.Uuid is not null)
-                q = q.Where(er => er.Envelope.Uuid == env.Uuid);
-        }
-
-        if (request.Receiver is not null)
-        {
-            var rcv = request.Receiver;
-            if (rcv.Id is not null)
-                q = q.Where(r => r.ReceiverId == rcv.Id);
-
-            if (rcv.EmailAddress is not null)
-                q = q.Where(r => r.Receiver.EmailAddress == rcv.EmailAddress);
-
-            if (rcv.Signature is not null)
-                q = q.Where(er => er.Receiver.Signature == rcv.Signature);
-        }
-
-        var envRcvs = await q.Include(er => er.Envelope).ThenInclude(e => e.Documents).ThenInclude(d => d.Elements)
-                        .Include(er => er.Envelope).ThenInclude(e => e.History)
-                        .Include(er => er.Envelope).ThenInclude(e => e.User)
-                        .Include(er => er.Receiver)
-                        .ToListAsync(cancel);
-
-        return _mapper.Map<IEnumerable<EnvelopeReceiverDto>>(envRcvs);
-    } 
-}

EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReceiverAlreadySignedQuery.cs

@@ -1,82 +0,0 @@
-using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Application.Exceptions;
-using EnvelopeGenerator.Domain;
-using EnvelopeGenerator.Domain.Entities;
-using EnvelopeGenerator.Extensions;
-using MediatR;
-using Microsoft.EntityFrameworkCore;
-
-namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
-
-/// <summary>
-/// 
-/// </summary>
-public record ReceiverAlreadySignedQuery : IRequest<bool>
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    public required string Key
-    {
-        get => (EnvelopeUuid, ReceiverSignature).EncodeEnvelopeReceiverId();
-        init
-        {
-            (string? EnvelopeUuid, string? ReceiverSignature) = value.DecodeEnvelopeReceiverId();
-            if (string.IsNullOrEmpty(EnvelopeUuid) || string.IsNullOrEmpty(ReceiverSignature))
-            {
-                throw new BadRequestException("Der EnvelopeReceiverKey muss ein gültiger Base64-kodierter String sein, der die EnvelopeUuid und die ReceiverSignature enthält.");
-            }
-        }
-    }
-
-    internal string EnvelopeUuid { get; set; } = null!;
-
-    internal string ReceiverSignature { get; set; } = null!;
-}
-
-/// <summary>
-/// 
-/// </summary>
-public static class ReceiverAlreadySignedQueryExtensions
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="mediator"></param>
-    /// <param name="key"></param>
-    /// <returns></returns>
-    public static Task<bool> ReceiverAlreadySigned(IMediator mediator, string key)
-        => mediator.Send(new ReceiverAlreadySignedQuery { Key = key });
-}
-
-/// <summary>
-/// 
-/// </summary>
-public class ReceiverAlreadySignedQueryHandler : IRequestHandler<ReceiverAlreadySignedQuery, bool>
-{
-    private readonly IRepository<EnvelopeReceiver> _repo;
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="repo"></param>
-    public ReceiverAlreadySignedQueryHandler(IRepository<EnvelopeReceiver> repo)
-    {
-        _repo = repo;
-    }
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="request"></param>
-    /// <param name="cancel"></param>
-    /// <returns></returns>
-    public async Task<bool> Handle(ReceiverAlreadySignedQuery request, CancellationToken cancel = default)
-    {
-        return await _repo.Read()
-            .Where(er => er.Envelope.Uuid == request.EnvelopeUuid)
-            .Where(er => er.Receiver.Signature == request.ReceiverSignature)
-            .Where(er => er.Envelope.History.Any(hist => hist.Status == Constants.EnvelopeStatus.DocumentSigned))
-            .AnyAsync(cancel);
-    }
-}

EnvelopeGenerator.Application/Envelopes/Commands/CreateEnvelopeCommand.cs

@@ -1,6 +1,4 @@
-using EnvelopeGenerator.Application.Dto;
-using EnvelopeGenerator.Application.Envelopes.Queries;
-using MediatR;
+using MediatR;
 using Microsoft.AspNetCore.Mvc.ModelBinding;
 using System.ComponentModel.DataAnnotations;
 using System.Text.Json.Serialization;
@@ -17,7 +15,7 @@ public record CreateEnvelopeCommand(
     [Required] string Title,
     [Required] string Message,
     bool TFAEnabled = false
-    ) : IRequest<EnvelopeDto?>
+    ) : IRequest<CreateEnvelopeResponse?>
 {
     /// <summary>
     /// Id of receiver
@@ -25,4 +23,4 @@ public record CreateEnvelopeCommand(
     [JsonIgnore]
     [BindNever]
     public int? UserId { get; set; }
-};
+};

EnvelopeGenerator.Application/Envelopes/Commands/CreateEnvelopeCommandHandler.cs

@@ -1,6 +1,5 @@
 using AutoMapper;
-using EnvelopeGenerator.Application.Interfaces.SQLExecutor;
-using EnvelopeGenerator.Application.Dto;
+using EnvelopeGenerator.Application.Contracts.SQLExecutor;
 using MediatR;
 
 namespace EnvelopeGenerator.Application.Envelopes.Commands;
@@ -8,7 +7,7 @@ namespace EnvelopeGenerator.Application.Envelopes.Commands;
 /// <summary>
 /// 
 /// </summary>
-public class CreateEnvelopeCommandHandler : IRequestHandler<CreateEnvelopeCommand, EnvelopeDto?>
+public class CreateEnvelopeCommandHandler : IRequestHandler<CreateEnvelopeCommand, CreateEnvelopeResponse?>
 {
     private readonly IEnvelopeExecutor _envelopeExecutor;
 
@@ -31,12 +30,12 @@ public class CreateEnvelopeCommandHandler : IRequestHandler<CreateEnvelopeComman
     /// <param name="request"></param>
     /// <param name="cancellationToken"></param>
     /// <returns></returns>
-    public async Task<EnvelopeDto?> Handle(CreateEnvelopeCommand request, CancellationToken cancellationToken)
+    public async Task<CreateEnvelopeResponse?> Handle(CreateEnvelopeCommand request, CancellationToken cancellationToken)
     {
         int userId = request.UserId ?? throw new InvalidOperationException("UserId cannot be null when creating an envelope.");
 
         var envelope = await _envelopeExecutor.CreateEnvelopeAsync(userId, request.Title, request.Message, request.TFAEnabled, cancellationToken);
 
-        return _mapper.Map<EnvelopeDto>(envelope);
+        return _mapper.Map<CreateEnvelopeResponse>(envelope);
     }
 }

EnvelopeGenerator.Application/Envelopes/Commands/CreateEnvelopeMappingProfile.cs

@@ -0,0 +1,19 @@
+using AutoMapper;
+using EnvelopeGenerator.Application.EnvelopeReceivers.Commands.Create;
+using EnvelopeGenerator.Domain.Entities;
+
+namespace EnvelopeGenerator.Application.Envelopes.Commands;
+
+/// <summary>
+/// 
+/// </summary>
+public class CreateEnvelopeMappingProfile : Profile
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public CreateEnvelopeMappingProfile()
+    {
+        CreateMap<Envelope, CreateEnvelopeReceiverResponse>();
+    }
+}

EnvelopeGenerator.Application/Envelopes/Commands/CreateEnvelopeResponse.cs

@@ -0,0 +1,20 @@
+using EnvelopeGenerator.Application.Envelopes.Queries.Read;
+
+namespace EnvelopeGenerator.Application.Envelopes.Commands;
+
+/// <summary>
+/// 
+/// </summary>
+/// <param name="Id"><inheritdoc/></param>
+/// <param name="UserId"><inheritdoc/></param>
+/// <param name="Status"><inheritdoc/></param>
+/// <param name="Uuid"><inheritdoc/></param>
+/// <param name="Message"><inheritdoc/></param>
+/// <param name="AddedWhen"><inheritdoc/></param>
+/// <param name="ChangedWhen"><inheritdoc/></param>
+/// <param name="Title"><inheritdoc/></param>
+/// <param name="Language"><inheritdoc/></param>
+/// <param name="TFAEnabled"><inheritdoc/></param>
+/// <param name="User"><inheritdoc/></param>
+public record CreateEnvelopeResponse(int Id, int UserId, int Status, string Uuid, string? Message, DateTime AddedWhen, DateTime? ChangedWhen, string? Title, string Language, bool TFAEnabled, DigitalData.UserManager.Domain.Entities.User User) 
+    : ReadEnvelopeResponse(Id, UserId, Status, Uuid, Message, AddedWhen, ChangedWhen, Title, Language, TFAEnabled, User);

EnvelopeGenerator.Application/Envelopes/EnvelopeQuery.cs

@@ -0,0 +1,16 @@
+using MediatR;
+
+namespace EnvelopeGenerator.Application.Envelopes;
+
+/// <summary>
+/// Repräsentiert eine Abfrage für Umschläge.
+/// </summary>
+/// <param name="Id">Die eindeutige Kennung des Umschlags.</param>
+/// <param name="Status">Der Status des Umschlags.</param>
+/// <param name="Uuid">Die universell eindeutige Kennung des Umschlags.</param>
+public record EnvelopeQuery(
+    int? Id = null,
+    int? Status = null,
+    string? Uuid = null) : IRequest
+{
+};

EnvelopeGenerator.Application/Envelopes/MappingProfile.cs

@@ -1,19 +0,0 @@
-using AutoMapper;
-using EnvelopeGenerator.Application.EnvelopeReceivers.Commands;
-using EnvelopeGenerator.Domain.Entities;
-
-namespace EnvelopeGenerator.Application.Envelopes;
-
-/// <summary>
-/// 
-/// </summary>
-public class MappingProfile : Profile
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    public MappingProfile()
-    {
-        CreateMap<Envelope, CreateEnvelopeReceiverResponse>();
-    }
-}

EnvelopeGenerator.Application/Envelopes/Queries/Read/ReadEnvelopeQuery.cs

@@ -0,0 +1,8 @@
+namespace EnvelopeGenerator.Application.Envelopes.Queries.Read;
+
+/// <summary>
+/// Stellt eine Abfrage zum Lesen von Briefumschlägen dar.
+/// </summary>
+public record ReadEnvelopeQuery : EnvelopeQuery
+{
+}

EnvelopeGenerator.Application/Envelopes/Queries/Read/ReadEnvelopeResponse.cs

@@ -0,0 +1,36 @@
+using EnvelopeGenerator.Domain;
+
+namespace EnvelopeGenerator.Application.Envelopes.Queries.Read;
+
+/// <summary>
+/// Repräsentiert die Antwort für das Lesen eines Umschlags.
+/// </summary>
+/// <param name="Id">Die eindeutige Kennung des Umschlags.</param>
+/// <param name="UserId">Die Kennung des Benutzers, der den Umschlag erstellt hat.</param>
+/// <param name="Status">Der Status des Umschlags als numerischer Wert.</param>
+/// <param name="Uuid">Die universelle eindeutige Kennung (UUID) des Umschlags.</param>
+/// <param name="Message">Eine optionale Nachricht, die mit dem Umschlag verknüpft ist.</param>
+/// <param name="AddedWhen">Das Datum und die Uhrzeit, wann der Umschlag hinzugefügt wurde.</param>
+/// <param name="ChangedWhen">Das Datum und die Uhrzeit, wann der Umschlag zuletzt geändert wurde (falls vorhanden).</param>
+/// <param name="Title">Ein optionaler Titel des Umschlags.</param>
+/// <param name="Language">Die Sprache, die mit dem Umschlag verknüpft ist.</param>
+/// <param name="TFAEnabled">Gibt an, ob die Zwei-Faktor-Authentifizierung (TFA) aktiviert ist.</param>
+/// <param name="User">Das Benutzerobjekt, das mit dem Umschlag verknüpft ist.</param>
+public record ReadEnvelopeResponse(
+    int Id,
+    int UserId,
+    int Status,
+    string Uuid,
+    string? Message,
+    DateTime AddedWhen,
+    DateTime? ChangedWhen,
+    string? Title,
+    string Language,
+    bool TFAEnabled,
+    DigitalData.UserManager.Domain.Entities.User User)
+{
+    /// <summary>
+    /// Gibt den Namen des Status zurück, der dem numerischen Statuswert entspricht.
+    /// </summary>
+    public string StatusName => ((Constants.EnvelopeStatus)Status).ToString();
+}

EnvelopeGenerator.Application/Envelopes/Queries/ReceiverName/ReadReceiverNameQuery.cs

@@ -1,6 +1,6 @@
-using EnvelopeGenerator.Application.Receivers.Queries;
+using EnvelopeGenerator.Application.Receivers.Queries.Read;
 
-namespace EnvelopeGenerator.Application.Envelopes.Queries;
+namespace EnvelopeGenerator.Application.Envelopes.Queries.ReceiverName;
 
 /// <summary>
 /// Eine Abfrage, um die zuletzt verwendete Anrede eines Empfängers zu ermitteln, 

EnvelopeGenerator.Application/Extensions/MappingExtensions.cs

@@ -1,4 +1,4 @@
-using EnvelopeGenerator.Application.Dto.Messaging;
+using EnvelopeGenerator.Application.DTOs.Messaging;
 
 namespace EnvelopeGenerator.Application.Extensions;
 

EnvelopeGenerator.Application/Extensions/TaskExtensions.cs

@@ -1,53 +0,0 @@
-using EnvelopeGenerator.Application.Exceptions;
-
-namespace EnvelopeGenerator.Application.Extensions;
-
-/// <summary>
-/// Extension methods for tasks
-/// </summary>
-public static class TaskExtensions
-{
-    /// <summary>
-    /// Awaits the specified task and ensures that the result is not <c>null</c>.
-    /// If the result is <c>null</c>, a <see cref="NotFoundException"/> is thrown.
-    /// </summary>
-    /// <typeparam name="T">The type of the result.</typeparam>
-    /// <param name="task">The task to await.</param>
-    /// <param name="exceptionMessage">Optional custom exception message.</param>
-    /// <returns>The awaited result if not <c>null</c>.</returns>
-    /// <exception cref="NotFoundException">Thrown if the result is <c>null</c>.</exception>
-    public static async Task<T> ThrowIfNull<T>(this Task<T?> task, string? exceptionMessage = null)
-    {
-        var result = await task;
-        return result ?? throw new NotFoundException(exceptionMessage);
-    }
-
-    /// <summary>
-    /// Awaits the specified task and ensures that the result is not <c>empty</c>.
-    /// If the result contains no elements, a <see cref="NotFoundException"/> is thrown.
-    /// </summary>
-    /// <typeparam name="T">The element type of the collection.</typeparam>
-    /// <param name="task">The task to await.</param>
-    /// <param name="exceptionMessage">Optional custom exception message.</param>
-    /// <returns>The awaited collection if it is not <c>null</c> or empty.</returns>
-    /// <exception cref="NotFoundException">Thrown if the result is <c>null</c> or empty.</exception>
-    public static async Task<IEnumerable<T>> ThrowIfNull<T>(this Task<IEnumerable<T>> task, string? exceptionMessage = null)
-    {
-        var result = await task;
-        return result?.Any() ?? false ? result : throw new NotFoundException(exceptionMessage);
-    }
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <typeparam name="I"></typeparam>
-    /// <param name="task"></param>
-    /// <param name="act"></param>
-    /// <returns></returns>
-    public static async Task<I> Then<T, I>(this Task<T> task, Func<T, I> act)
-    {
-        var res = await task;
-        return act(res);
-    }
-}

EnvelopeGenerator.Application/Histories/Queries/Read/ReadHistoryMappingProfile.cs

@@ -1,18 +1,17 @@
 using AutoMapper;
-using EnvelopeGenerator.Application.Histories.Queries.Read;
 using EnvelopeGenerator.Domain.Entities;
 
-namespace EnvelopeGenerator.Application.Histories;
+namespace EnvelopeGenerator.Application.Histories.Queries.Read;
 
 /// <summary>
 /// 
 /// </summary>
-public class MappingProfile: Profile
+public class ReadHistoryMappingProfile: Profile
 {
     /// <summary>
     /// 
     /// </summary>
-    public MappingProfile()
+    public ReadHistoryMappingProfile()
     {
         CreateMap<EnvelopeHistory, ReadHistoryResponse>();
     }

EnvelopeGenerator.Application/Histories/Queries/Read/ReadHistoryQuery.cs

@@ -9,8 +9,8 @@ namespace EnvelopeGenerator.Application.Histories.Queries.Read;
 /// Repräsentiert eine Abfrage für die Verlaufshistorie eines Umschlags.
 /// </summary>
 /// <param name="EnvelopeId">Die eindeutige Kennung des Umschlags.</param>
-/// <param name="Status">Der Include des Umschlags, der abgefragt werden soll. Kann optional angegeben werden, um die Ergebnisse zu filtern.</param>
-/// <param name="OnlyLast">Abfrage zur Steuerung, ob nur der aktuelle Include oder der gesamte Datensatz zurückgegeben wird.</param>
+/// <param name="Status">Der Status des Umschlags, der abgefragt werden soll. Kann optional angegeben werden, um die Ergebnisse zu filtern.</param>
+/// <param name="OnlyLast">Abfrage zur Steuerung, ob nur der aktuelle Status oder der gesamte Datensatz zurückgegeben wird.</param>
 public record ReadHistoryQuery(
     [Required]
     int EnvelopeId,

EnvelopeGenerator.Application/Histories/Queries/Read/ReadHistoryQueryHandler.cs

@@ -1,5 +1,5 @@
 using AutoMapper;
-using EnvelopeGenerator.Application.Interfaces.Repositories;
+using EnvelopeGenerator.Application.Contracts.Repositories;
 using EnvelopeGenerator.Application.Exceptions;
 using MediatR;
 

EnvelopeGenerator.Application/Receivers/Queries/Read/ReadReceiverQuery.cs

@@ -0,0 +1,10 @@
+namespace EnvelopeGenerator.Application.Receivers.Queries.Read;
+
+/// <summary>
+/// Stellt eine Abfrage dar, um die Details eines Empfängers zu lesen.
+/// Diese Abfrage erbt von <see cref="ReceiverQuery"/> und wird verwendet, 
+/// um spezifische Informationen über einen Empfänger abzurufen.
+/// </summary>
+public record ReadReceiverQuery : ReceiverQuery
+{
+}

EnvelopeGenerator.Application/Receivers/Queries/Read/ReadReceiverResponse.cs

@@ -0,0 +1,12 @@
+namespace EnvelopeGenerator.Application.Receivers.Queries.Read;
+
+/// <summary>
+/// Repräsentiert die Antwort auf eine Abfrage, um einen Empfänger zu lesen.
+/// </summary>
+/// <param name="Id">Die eindeutige Identifikationsnummer des Empfängers.</param>
+/// <param name="EmailAddress">Die E-Mail-Adresse des Empfängers.</param>
+/// <param name="AddedWhen">Das Datum und die Uhrzeit, wann der Empfänger hinzugefügt wurde.</param>
+/// <param name="Signature">Die Signatur des Empfängers.</param>
+public record ReadReceiverResponse(int Id, string EmailAddress, DateTime AddedWhen, string Signature)
+{
+}

EnvelopeGenerator.Application/Receivers/Queries/ReadReceiverQuery.cs

@@ -1,23 +0,0 @@
-namespace EnvelopeGenerator.Application.Receivers.Queries;
-
-/// <summary>
-/// Stellt eine Abfrage dar, um die Details eines Empfängers zu lesen.
-/// um spezifische Informationen über einen Empfänger abzurufen.
-/// </summary>
-public record ReadReceiverQuery
-{
-    /// <summary>
-    /// ID des Empfängers
-    /// </summary>
-    public int? Id { get; init; }
-
-    /// <summary>
-    /// E-Mail Adresse des Empfängers
-    /// </summary>
-    public string? EmailAddress { get; init; }
-
-    /// <summary>
-    /// Eindeutige Signatur des Empfängers
-    /// </summary>
-    public string? Signature { get; init; }
-}

EnvelopeGenerator.Application/Receivers/ReceiverQuery.cs

@@ -0,0 +1,9 @@
+namespace EnvelopeGenerator.Application.Receivers;
+
+/// <summary>
+/// Empfänger des Umschlags
+/// </summary>
+/// <param name="Id">ID des Empfängers</param>
+/// <param name="EmailAddress">E-Mail Adresse des Empfängers</param>
+/// <param name="Signature">Eindeutige Signatur des Empfängers</param>
+public record ReceiverQuery(int? Id = null, string? EmailAddress = null, string? Signature = null);

EnvelopeGenerator.Application/SQL/DocumentCreateReadSQL.cs

@@ -1,5 +1,5 @@
 using Dapper;
-using EnvelopeGenerator.Application.Interfaces.SQLExecutor;
+using EnvelopeGenerator.Application.Contracts.SQLExecutor;
 using EnvelopeGenerator.Application.Exceptions;
 using EnvelopeGenerator.Domain.Entities;