Refactor HomeController for MediatR and domain model

- Added new using directives for domain-driven design.
- Marked several fields and methods as obsolete to transition to MediatR for request handling.
- Updated action methods to use middleware for exception management.
- Changed response type in EnvelopeSigned method for consistency with new domain model.
- Overall improvements for maintainability and adherence to best practices.

EnvelopeGenerator.Web/Controllers/HomeController.cs

@@ -1,5 +1,4 @@
-using EnvelopeGenerator.CommonServices;
+using EnvelopeGenerator.Web.Services;
-using EnvelopeGenerator.Web.Services;
 using Microsoft.AspNetCore.Authentication.Cookies;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Mvc;
@@ -8,33 +7,40 @@ using Microsoft.AspNetCore.Authorization;
 using DigitalData.Core.API;
 using EnvelopeGenerator.Extensions;
 using Microsoft.Extensions.Localization;
-using DigitalData.Core.DTO;
 using Microsoft.AspNetCore.Localization;
 using EnvelopeGenerator.Web.Models;
 using EnvelopeGenerator.Application.Resources;
 using EnvelopeGenerator.Application.DTOs.EnvelopeReceiver;
-using static EnvelopeGenerator.CommonServices.Constants;
 using Ganss.Xss;
 using Newtonsoft.Json;
 using EnvelopeGenerator.Application.DTOs;
 using DigitalData.Core.Client;
 using OtpNet;
 using EnvelopeGenerator.Application.Contracts.Services;
+using static EnvelopeGenerator.Domain.Constants;
+using DigitalData.Core.Abstraction.Application.DTO;
+using EnvelopeGenerator.Domain.Entities;
 
 namespace EnvelopeGenerator.Web.Controllers;
 
 public class HomeController : ViewControllerBase
 {
     private readonly EnvelopeOldService envelopeOldService;
+    [Obsolete("Use MediatR")]
     private readonly IEnvelopeReceiverService _envRcvService;
+    [Obsolete("Use MediatR")]
     private readonly IEnvelopeHistoryService _historyService;
     private readonly IConfiguration _configuration;
+    [Obsolete("Use MediatR")]
     private readonly IEnvelopeMailService _mailService;
+    [Obsolete("Use MediatR")]
     private readonly IEnvelopeReceiverReadOnlyService _readOnlyService;
     private readonly IAuthenticator _authenticator;
+    [Obsolete("Use MediatR")]
     private readonly IReceiverService _rcvService;
     private readonly IEnvelopeSmsHandler _envSmsHandler;
 
+    [Obsolete("Use MediatR")]
     public HomeController(EnvelopeOldService envelopeOldService, ILogger<HomeController> logger, IEnvelopeReceiverService envelopeReceiverService, IEnvelopeHistoryService historyService, IStringLocalizer<Resource> localizer, IConfiguration configuration, HtmlSanitizer sanitizer, Cultures cultures, IEnvelopeMailService envelopeMailService, IEnvelopeReceiverReadOnlyService readOnlyService, IAuthenticator authenticator, IReceiverService receiverService, IEnvelopeSmsHandler envelopeSmsService) : base(logger, sanitizer, cultures, localizer)
     {
         this.envelopeOldService = envelopeOldService;
@@ -69,6 +75,7 @@ public class HomeController : ViewControllerBase
     }
 
     [HttpGet("EnvelopeKey/{envelopeReceiverId}")]
+    [Obsolete("Use MediatR")]
     public async Task<IActionResult> MainAsync([FromRoute] string envelopeReceiverId, [FromQuery] string? culture = null)
     {
         try
@@ -131,6 +138,7 @@ public class HomeController : ViewControllerBase
     }
 
     [HttpGet("EnvelopeKey/{envelopeReceiverId}/Locked")]
+    [Obsolete("Use DigitalData.Core.Exceptions and .Middleware")]
     public async Task<IActionResult> EnvelopeLocked([FromRoute] string envelopeReceiverId)
     {
         try
@@ -401,6 +409,7 @@ public class HomeController : ViewControllerBase
 
     [Authorize(Roles = ReceiverRole.FullyAuth)]
     [HttpGet("EnvelopeKey/{envelopeReceiverId}/Success")]
+    [Obsolete("Use DigitalData.Core.Exceptions and .Middleware")]
     public async Task<IActionResult> EnvelopeSigned(string envelopeReceiverId)
     {
         try
@@ -412,7 +421,7 @@ public class HomeController : ViewControllerBase
                     if(!isExisting)
                         return this.ViewEnvelopeNotFound();
 
-                    Common.EnvelopeReceiver response = await envelopeOldService.LoadEnvelope(envelopeReceiverId);
+                    EnvelopeReceiver response = await envelopeOldService.LoadEnvelope(envelopeReceiverId);
                     if (!envelopeOldService.ReceiverAlreadySigned((Envelope)response.Envelope, (int)response.Receiver.Id))
                         return base.Redirect($"/EnvelopeKey/{envelopeReceiverId}/Locked");
 
@@ -436,6 +445,7 @@ public class HomeController : ViewControllerBase
 
     [Authorize(Roles = ReceiverRole.FullyAuth)]
     [HttpGet("EnvelopeKey/{envelopeReceiverId}/Rejected")]
+    [Obsolete("Use MediatR")]
     public async Task<IActionResult> EnvelopeRejected(string envelopeReceiverId)
     {
         try
@@ -467,6 +477,7 @@ public class HomeController : ViewControllerBase
     }
 
     [HttpGet("EnvelopeKey/{readOnlyKey}/ReadOnly")]
+    [Obsolete("Use MediatR")]
     public async Task<IActionResult> EnvelopeReceiverReadOnly([FromRoute] string readOnlyKey)
     {
         try