Manage Appointments DONE!

backend/Application/Endpoints/Appointments/AppointmentManagementDto.cs

@@ -0,0 +1,8 @@
+namespace Application.Endpoints.Appointments;
+
+public class AppointmentManagementDto
+{
+    public Guid DoctorId { get; set; }
+    public Guid PatientId { get; set; }
+    public DateTime Appointment { get; set; }
+}

backend/Application/Endpoints/Appointments/AppointmentManagementHandler.cs

@@ -0,0 +1,121 @@
+using Application.Services.Database;
+using Application.Services.Database.MongoDB;
+using Core.Entities;
+
+namespace Application.Endpoints.Appointments;
+
+public class AppointmentManagementHandler
+{
+    private readonly IAppointmentsMongoDbService _appointmentsMongoDbService;
+    private readonly IPatientRepository _patientRepository;
+    private readonly IDoctorRepository _doctorRepository;
+
+    public AppointmentManagementHandler(IAppointmentsMongoDbService appointmentsMongoDbService,
+        IPatientRepository patientRepository, IDoctorRepository doctorRepository)
+    {
+        _appointmentsMongoDbService = appointmentsMongoDbService;
+        _patientRepository = patientRepository;
+        _doctorRepository = doctorRepository;
+    }
+
+    public async Task<BaseResponse> HandleCreateAppointment(AppointmentManagementDto dto)
+    {
+        var validation = new CreateAppointmentValidator(_appointmentsMongoDbService,
+            _doctorRepository, _patientRepository);
+        var validationResult = await validation.ValidateAsync(dto);
+
+        if (!validationResult.IsValid)
+        {
+            var firstError = validationResult.Errors.FirstOrDefault();
+            var errorCode = int.TryParse(firstError.ErrorCode, out var code) ? code : -1;
+            var errorMessage = firstError.ErrorMessage;
+
+            return new BaseResponse
+            {
+                StatusCode = errorCode,
+                Message = errorMessage,
+                Data = null
+            };
+        }
+
+        var appointmentId = IdentifierGenerator.GenerateId(dto.DoctorId, dto.PatientId);
+        var criteria = new List<(string FieldName, string Value)>
+        {
+            ("_id", appointmentId),
+        };
+        var appointments = await _appointmentsMongoDbService.FindAsync<Appointment>(criteria);
+        
+        if(!appointments.Any())
+        {
+            var appointment = new Appointment();
+            appointment.SetId(appointmentId);
+            appointment.SetDoctorIid(dto.DoctorId.ToString());
+            appointment.SetPatientId(dto.PatientId.ToString());
+            appointment.AddAppointment(dto.Appointment);
+            
+            await _appointmentsMongoDbService.AddAsync(appointment);
+        }
+        else
+        {
+            var appointment = appointments[0];
+            appointment.AddAppointment(dto.Appointment);
+            await _appointmentsMongoDbService.ModifyAsync("_id", appointmentId, appointment);
+        }
+
+        return new BaseResponse()
+        {
+            StatusCode = HttpStatusCodes.Created,
+            Message = "Appointment successfully created.",
+            Data = null
+        };
+    }
+    
+    public async Task<BaseResponse> HandleDeleteAppointment(AppointmentManagementDto dto)
+    {
+        var validation = new DeleteAppointmentValidator(_appointmentsMongoDbService,
+            _doctorRepository, _patientRepository);
+        var validationResult = await validation.ValidateAsync(dto);
+
+        if (!validationResult.IsValid)
+        {
+            var firstError = validationResult.Errors.FirstOrDefault();
+            var errorCode = int.TryParse(firstError.ErrorCode, out var code) ? code : -1;
+            var errorMessage = firstError.ErrorMessage;
+
+            return new BaseResponse
+            {
+                StatusCode = errorCode,
+                Message = errorMessage,
+                Data = null
+            };
+        }
+        
+        var appointmentId = IdentifierGenerator.GenerateId(dto.DoctorId, dto.PatientId);
+        var criteria = new List<(string FieldName, string Value)>
+        {
+            ("_id", appointmentId),
+        };
+        var appointments = await _appointmentsMongoDbService.FindAsync<Appointment>(criteria);
+        
+        if(!appointments.Any())
+        {
+            return new BaseResponse()
+            {
+                StatusCode = HttpStatusCodes.NotFound,
+                Message = "Appointment not found in system.",
+                Data = null
+            };
+        }
+    
+        var appointment = appointments[0];
+        appointment.RemoveAppointment(dto.Appointment);
+        await _appointmentsMongoDbService.ModifyAsync("_id", appointmentId, appointment);
+
+        return new BaseResponse()
+        {
+            StatusCode = HttpStatusCodes.OK,
+            Message = "Appointment successfully removed.",
+            Data = null
+        };
+    }
+}

backend/Application/Endpoints/Appointments/CreateAppointmentValidator.cs

@@ -0,0 +1,66 @@
+using Application.Services.Database;
+using Application.Services.Database.MongoDB;
+using FluentValidation;
+
+namespace Application.Endpoints.Appointments;
+
+public class CreateAppointmentValidator : AbstractValidator<AppointmentManagementDto>
+{
+    private readonly IAppointmentsMongoDbService _appointmentsMongoDbService;
+    private readonly IDoctorRepository _doctorRepository;
+    private readonly IPatientRepository _patientRepository;
+    
+    public CreateAppointmentValidator(IAppointmentsMongoDbService appointmentsMongoDbService,
+        IDoctorRepository doctorRepository, IPatientRepository patientRepository)
+    {
+        RuleFor(x => x.DoctorId)
+            .NotEmpty().WithMessage("Id is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .MustAsync(IsDoctorRegistered).WithMessage("Doctor is not registered in system")
+            .WithErrorCode(HttpStatusCodes.NotFound.ToString());
+        
+        RuleFor(x => x.PatientId)
+            .NotEmpty().WithMessage("Id is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .MustAsync(IsPatientRegistered).WithMessage("Patient is not registered in system")
+            .WithErrorCode(HttpStatusCodes.NotFound.ToString());
+
+        RuleFor(x => x.Appointment)
+            .Must(IsAppointmentValidFormat).WithMessage("Appointment is not valid")
+            .WithErrorCode(HttpStatusCodes.BadRequest.ToString());
+
+        RuleFor(x => x)
+            .MustAsync(IsAppointmentUnique).WithMessage("Appointment already in system.")
+            .WithErrorCode(HttpStatusCodes.Conflict.ToString());
+        
+        _appointmentsMongoDbService = appointmentsMongoDbService;
+        _doctorRepository = doctorRepository;
+        _patientRepository = patientRepository;
+    }
+    
+    private async Task<bool> IsDoctorRegistered(Guid id, CancellationToken cancellationToken)
+    {
+        var doctor = await _doctorRepository.GetByIdAsync(id);
+        return doctor != null;
+    }
+    
+    private async Task<bool> IsPatientRegistered(Guid id, CancellationToken cancellationToken)
+    {
+        var patient = await _patientRepository.GetByIdAsync(id);
+        return patient != null;
+    }
+
+    private bool IsAppointmentValidFormat(DateTime appointment)
+    {
+        if (appointment == default(DateTime))
+            return false;
+        
+        if (appointment.Date < DateTime.UtcNow.Date)
+            return false;
+
+        return true;
+    }
+
+    private async Task<bool> IsAppointmentUnique(AppointmentManagementDto dto, CancellationToken cancellationToken)
+    {
+        return await _appointmentsMongoDbService.IsAppointmentUnique(dto);
+    }
+}

backend/Application/Endpoints/Appointments/DeleteAppointmentValidator.cs

@@ -0,0 +1,67 @@
+using Application.Services.Database;
+using Application.Services.Database.MongoDB;
+using Core.Entities;
+using FluentValidation;
+
+namespace Application.Endpoints.Appointments;
+
+public class DeleteAppointmentValidator : AbstractValidator<AppointmentManagementDto>
+{
+    private readonly IAppointmentsMongoDbService _appointmentsMongoDbService;
+    private readonly IDoctorRepository _doctorRepository;
+    private readonly IPatientRepository _patientRepository;
+    
+    public DeleteAppointmentValidator(IAppointmentsMongoDbService appointmentsMongoDbService,
+        IDoctorRepository doctorRepository, IPatientRepository patientRepository)
+    {
+        RuleFor(x => x.DoctorId)
+            .NotEmpty().WithMessage("Id is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .MustAsync(IsDoctorRegistered).WithMessage("Doctor is not registered in system")
+            .WithErrorCode(HttpStatusCodes.NotFound.ToString());
+        
+        RuleFor(x => x.PatientId)
+            .NotEmpty().WithMessage("Id is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
+            .MustAsync(IsPatientRegistered).WithMessage("Patient is not registered in system")
+            .WithErrorCode(HttpStatusCodes.NotFound.ToString());
+
+        RuleFor(x => x.Appointment)
+            .Must(IsAppointmentValidFormat).WithMessage("Appointment is not valid")
+            .WithErrorCode(HttpStatusCodes.BadRequest.ToString());
+
+        RuleFor(x => x)
+            .MustAsync(DoesAppointmentExists).WithMessage("Appointment not found in system")
+            .WithErrorCode(HttpStatusCodes.NotFound.ToString());
+        
+        _appointmentsMongoDbService = appointmentsMongoDbService;
+        _doctorRepository = doctorRepository;
+        _patientRepository = patientRepository;
+    }
+    
+    private async Task<bool> IsDoctorRegistered(Guid id, CancellationToken cancellationToken)
+    {
+        var doctor = await _doctorRepository.GetByIdAsync(id);
+        return doctor != null;
+    }
+    
+    private async Task<bool> IsPatientRegistered(Guid id, CancellationToken cancellationToken)
+    {
+        var patient = await _patientRepository.GetByIdAsync(id);
+        return patient != null;
+    }
+
+    private bool IsAppointmentValidFormat(DateTime appointment)
+    {
+        if (appointment == default(DateTime))
+            return false;
+        
+        if (appointment.Date < DateTime.UtcNow.Date)
+            return false;
+
+        return true;
+    }
+
+    private async Task<bool> DoesAppointmentExists(AppointmentManagementDto dto, CancellationToken cancellationToken)
+    {
+        return await _appointmentsMongoDbService.DoesAppointmentExists(dto);
+    }
+}

backend/Application/Endpoints/Chats/ChatHandler.cs

@@ -47,7 +47,7 @@ public class ChatHandler
             };
         }
 
-        var chatId = ChatIdentifier.GenerateChatId(sendMessageDto.Sender, sendMessageDto.Receiver);
+        var chatId = IdentifierGenerator.GenerateId(sendMessageDto.Sender, sendMessageDto.Receiver);
         
         var criteria = new List<(string, string)>();
         criteria.Add(("_id", chatId));
@@ -109,7 +109,7 @@ public class ChatHandler
             };
         }
 
-        var chatId = ChatIdentifier.GenerateChatId(getConversationDto.IdUser1, getConversationDto.IdUser2);
+        var chatId = IdentifierGenerator.GenerateId(getConversationDto.IdUser1, getConversationDto.IdUser2);
         
         var criteria = new List<(string, string)>();
         criteria.Add(("_id", chatId));

backend/Application/Endpoints/Doctors/Profile/DoctorProfileValidation.cs

@@ -13,7 +13,7 @@ public class DoctorProfileValidation : AbstractValidator<DoctorProfileUpdateDto>
 
         RuleFor(x => x.Id)
             .NotEmpty().WithMessage("Id is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
-            .MustAsync(IsDoctorRegistered).WithMessage("Doctor is registered in system")
+            .MustAsync(IsDoctorRegistered).WithMessage("Doctor is not registered in system")
             .WithErrorCode(HttpStatusCodes.NotFound.ToString());
 
         RuleFor(x => x.Email)
@@ -40,7 +40,7 @@ public class DoctorProfileValidation : AbstractValidator<DoctorProfileUpdateDto>
     private async Task<bool> IsDoctorRegistered(Guid id, CancellationToken cancellationToken)
     {
         var doctor = await _doctorRepository.GetByIdAsync(id);
-        return doctor == null;
+        return doctor != null;
     }
 
     private async Task<bool> BeUniqueEmail(string email, CancellationToken cancellationToken)

backend/Application/Endpoints/IdentifierGenerator.cs

@@ -1,8 +1,8 @@
-namespace Application.Endpoints.Chats;
+namespace Application.Endpoints;
 
-public class ChatIdentifier
+public class IdentifierGenerator
 {
-    public static string GenerateChatId(Guid id1, Guid id2)
+    public static string GenerateId(Guid id1, Guid id2)
     {
         // Convert GUIDs to strings
         string strId1 = id1.ToString();

backend/Application/Endpoints/MedicalHistories/FileManagement/MedicalHistoryFileManagementHandler.cs

@@ -31,7 +31,7 @@ public class MedicalHistoryFileManagementHandler
 
         return new BaseResponse
         {
-            StatusCode = HttpStatusCodes.NoContent,
+            StatusCode = HttpStatusCodes.NotFound,
             Message = "Medical histories not found",
             Data = null
         };

backend/Application/Endpoints/Patients/Profile/PatientProfileValidation.cs

@@ -13,7 +13,7 @@ public class PatientProfileValidation : AbstractValidator<PatientProfileDto>
 
         RuleFor(x => x.Id)
             .NotEmpty().WithMessage("Id is required.").WithErrorCode(HttpStatusCodes.BadRequest.ToString())
-            .MustAsync(IsPatientRegistered).WithMessage("Patient is registered in system")
+            .MustAsync(IsPatientRegistered).WithMessage("Patient is not registered in system")
             .WithErrorCode(HttpStatusCodes.NotFound.ToString());
 
         RuleFor(x => x.Email)
@@ -35,8 +35,8 @@ public class PatientProfileValidation : AbstractValidator<PatientProfileDto>
 
     private async Task<bool> IsPatientRegistered(Guid id, CancellationToken cancellationToken)
     {
-        var doctor = await _patientRepository.GetByIdAsync(id);
-        return doctor == null;
+        var patient = await _patientRepository.GetByIdAsync(id);
+        return patient != null;
     }
 
     private async Task<bool> BeUniqueEmail(string email, CancellationToken cancellationToken)