Backend Pacients, Doctors and MedicalHistory endpoints

- added for Pacients:
POST: /register
POST: /login
POST: /reset_password
PUT: /profile
DELETE: /profile

- added for Doctors:
POST: /register
POST: /login
POST: /reset_password
PUT: /profile
DELETE: /profile

- added for MedicalHistories:
POST: /:id (only by pacient) - done
GET: /:id (only by pacient) - done
PUT: /:id (only by doctor) - done
PUT /grand_access - TODO

backend/Application/Endpoints/BaseResponse.cs

@@ -1,9 +1,8 @@
-namespace Application.Endpoints
+namespace Application.Endpoints;
-{
+
 public class BaseResponse
 {
     public bool Success { get; set; }
     public string? Message { get; set; }
     public object? Data { get; set; }
 }
-}

backend/Application/Endpoints/Doctors/Login/DoctorLoginDto.cs

@@ -1,8 +1,7 @@
-namespace Application.Endpoints.Doctors.Login
+namespace Application.Endpoints.Doctors.Login;
-{
+
 public class DoctorLoginDTO
 {
     public string? Email { get; set; }
     public string? Password { get; set; }
 }
-}

backend/Application/Endpoints/Doctors/Login/DoctorLoginHandler.cs

@@ -1,7 +1,7 @@
 using Application.Services.Database;
 
-namespace Application.Endpoints.Doctors.Login
+namespace Application.Endpoints.Doctors.Login;
-{
+
 public class DoctorLoginHandler
 {
     private readonly IDoctorRepository _database;
@@ -35,4 +35,3 @@ namespace Application.Endpoints.Doctors.Login
         };
     }
 }
-}

backend/Application/Endpoints/Doctors/Login/DoctorLoginValidation.cs

@@ -1,8 +1,8 @@
 using Application.Services.Database;
 using FluentValidation;
 
-namespace Application.Endpoints.Doctors.Login
+namespace Application.Endpoints.Doctors.Login;
-{
+
 public class DoctorLoginValidation : AbstractValidator<DoctorLoginDTO>
 {
     private readonly IDoctorRepository _doctorRepository;
@@ -23,7 +23,7 @@ namespace Application.Endpoints.Doctors.Login
 
     private async Task<bool> BeExistingDoctor(string email, CancellationToken cancellationToken)
     {
-            return await _doctorRepository.IsDoctorExisting(email);
+        var doctor = await _doctorRepository.FindByEmailAsync(email);
-        }
+        return doctor != null;
     }
 }

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

@@ -0,0 +1,9 @@
+namespace Application.Endpoints.Doctors.Profile;
+
+public class DoctorProfileDTO
+{
+    public string Name { get; set; }
+    public string Email { get; set; }
+    public string Password { get; set; }
+    public string Description { get; set; }
+}

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

@@ -0,0 +1,121 @@
+using Application.Services.Database;
+
+namespace Application.Endpoints.Doctors.Profile;
+
+public class DoctorProfileHandler
+{
+    private readonly IDoctorRepository _doctorRepository;
+
+    public DoctorProfileHandler(IDoctorRepository doctorRepository)
+    {
+        _doctorRepository = doctorRepository;
+    }
+
+    public async Task<BaseResponse> HandleGet(Guid id)
+    {
+        var doctor = await _doctorRepository.GetByIdAsync(id).ConfigureAwait(false);
+        if (doctor != null)
+        {
+            return new BaseResponse
+            {
+                Success = true,
+                Message = $"Retrieved doctor with id: {id}",
+                Data = doctor
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = false,
+            Message = $"Doctor with id: {id} not found",
+            Data = null
+        };
+    }
+
+    public async Task<BaseResponse> HandleGetAll()
+    {
+        var doctors = await _doctorRepository.GetAllAsync().ConfigureAwait(false);
+        if (doctors.Any())
+        {
+            return new BaseResponse
+            {
+                Success = true,
+                Message = "Retrieved doctors",
+                Data = doctors.ToList()
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = false,
+            Message = "Doctors not found",
+            Data = null
+        };
+    }
+
+    public async Task<BaseResponse> HandleUpdate(Guid id, DoctorProfileDTO updateDto)
+    {
+        var validation = new DoctorProfileValidation(_doctorRepository);
+        var validationResult = await validation.ValidateAsync(updateDto);
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var doctorToUpdate = await _doctorRepository.GetByIdAsync(id);
+
+        if (doctorToUpdate == null)
+        {
+            return new BaseResponse
+            {
+                Success = false,
+                Message = "Doctor not found for given Id",
+                Data = null
+            };
+        }
+
+        doctorToUpdate.Email = updateDto.Email;
+        doctorToUpdate.Password = updateDto.Password;
+        doctorToUpdate.Name = updateDto.Name;
+        doctorToUpdate.Description = updateDto.Description;
+
+        await _doctorRepository.UpdateAsync(doctorToUpdate);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = "Doctor updated successfully",
+            Data = doctorToUpdate
+        };
+    }
+
+    public async Task<BaseResponse> HandleDelete(Guid id)
+    {
+        var doctorToDelete = await _doctorRepository.GetByIdAsync(id);
+        if (doctorToDelete == null)
+        {
+            return new BaseResponse
+            {
+                Success = false,
+                Message = $"Doctor with id: {id} does not exist",
+                Data = null
+            };
+        }
+
+        await _doctorRepository.DeleteAsync(doctorToDelete);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = $"Doctor with id: {id} was succesfully deleted",
+            Data = doctorToDelete
+        };
+    }
+}

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

@@ -0,0 +1,40 @@
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.Doctors.Profile;
+
+public class DoctorProfileValidation : AbstractValidator<DoctorProfileDTO>
+{
+    private readonly IDoctorRepository _doctorRepository;
+
+    public DoctorProfileValidation(IDoctorRepository doctorRepository)
+    {
+        _doctorRepository = doctorRepository;
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.")
+            .EmailAddress().WithMessage("Invalid email format.")
+            .MustAsync(BeUniqueEmail).WithMessage("Email in use by another doctor.");
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.")
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.");
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Name is required.")
+            .MinimumLength(3).WithMessage("Name must be at least 3 characters long.");
+
+        RuleFor(x => x.Description)
+            .MaximumLength(3000).WithMessage("Description must not exceed 3000 characters.");
+    }
+
+    private async Task<bool> BeUniqueEmail(string email, CancellationToken cancellationToken)
+    {
+        var doctor = await _doctorRepository.FindByEmailAsync(email);
+        if (doctor != null)
+        {
+            return doctor.Email.Equals(email, StringComparison.OrdinalIgnoreCase);
+        }
+        return doctor == null;
+    }
+}

backend/Application/Endpoints/Doctors/Registration/DoctorRegistrationDto.cs

@@ -0,0 +1,9 @@
+namespace Application.Endpoints.Doctors.Login;
+
+public class DoctorRegistrationDto
+{
+    public string Name { get; set; }
+    public string Email { get; set; }
+    public string Password { get; set; }
+    public string Description { get; set; }
+}

backend/Application/Endpoints/Doctors/Registration/DoctorRegistrationHandler.cs

@@ -0,0 +1,49 @@
+using Application.Endpoints.Doctors.Login;
+using Application.Services.Database;
+using Core.Entities;
+
+namespace Application.Endpoints.Doctors.Registration;
+
+public class DoctorRegistrationHandler
+{
+    private readonly IDoctorRepository _doctorRepository;
+
+    public DoctorRegistrationHandler(IDoctorRepository doctorRepository)
+    {
+        _doctorRepository = doctorRepository;
+    }
+
+    public async Task<BaseResponse> Handle(DoctorRegistrationDto registrationDTO)
+    {
+        var validation = new DoctorRegistrationValidation(_doctorRepository);
+        var validationResult = await validation.ValidateAsync(registrationDTO);
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var doctor = new Doctor
+        {
+            Email = registrationDTO.Email,
+            Password = registrationDTO.Password,
+            Name = registrationDTO.Name,
+            Description = registrationDTO.Description
+        };
+
+        await _doctorRepository.AddAsync(doctor);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = "Doctor registered successfully",
+            Data = doctor // Be careful with sending sensitive data like Passwords
+        };
+    }
+}

backend/Application/Endpoints/Doctors/Registration/DoctorRegistrationValidation.cs

@@ -0,0 +1,37 @@
+using Application.Endpoints.Doctors.Login;
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.Doctors.Registration;
+
+public class DoctorRegistrationValidation : AbstractValidator<DoctorRegistrationDto>
+{
+    private readonly IDoctorRepository _doctorRepository;
+
+    public DoctorRegistrationValidation(IDoctorRepository doctorRepository)
+    {
+        _doctorRepository = doctorRepository;
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.")
+            .EmailAddress().WithMessage("Invalid email format.")
+            .MustAsync(BeUniqueEmail).WithMessage("Email already exists.");
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.")
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.");
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Name is required.")
+            .MinimumLength(3).WithMessage("Name must be at least 3 characters long.");
+
+        RuleFor(x => x.Description)
+            .MaximumLength(3000).WithMessage("Description must not exceed 3000 characters.");
+    }
+
+    private async Task<bool> BeUniqueEmail(string email, CancellationToken cancellationToken)
+    {
+        var doctor = await _doctorRepository.FindByEmailAsync(email);
+        return doctor == null;
+    }
+}

backend/Application/Endpoints/Doctors/ResetPassword/DoctorResetPasswordHandler.cs

@@ -0,0 +1,58 @@
+using Application.Endpoints.Doctors.Login;
+using Application.Services.Database;
+
+namespace Application.Endpoints.Doctors.ResetPassword;
+
+public class DoctorResetPasswordHandler
+{
+    private readonly IDoctorRepository _doctorRepository;
+
+    public DoctorResetPasswordHandler(IDoctorRepository doctorRepository)
+    {
+        _doctorRepository = doctorRepository;
+    }
+
+    public async Task<BaseResponse> Handle(DoctorLoginDTO resetDoctorDto)
+    {
+        var validation = new DoctorResetPasswordValidation(_doctorRepository);
+        var validationResult = await validation.ValidateAsync(resetDoctorDto);
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var currentDoctor = await _doctorRepository.FindByEmailAsync(resetDoctorDto.Email);
+
+        var updatedDoctor = currentDoctor;
+
+        updatedDoctor.Password = resetDoctorDto.Password;
+
+        await _doctorRepository.UpdateAsync(updatedDoctor);
+
+        updatedDoctor = await _doctorRepository.GetByIdAsync(currentDoctor.Id);
+
+        if (updatedDoctor.Password != resetDoctorDto.Password)
+        {
+            return new BaseResponse
+            {
+                Success = false,
+                Message = $"Failed to update passwor for doctor {updatedDoctor.Name}",
+                Data = null
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = $"Password of doctor {updatedDoctor.Name} has been reset succesfully",
+            Data = updatedDoctor.Email
+        };
+    }
+}

backend/Application/Endpoints/Doctors/ResetPassword/DoctorResetPasswordValidation.cs

@@ -0,0 +1,37 @@
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.Doctors.Login;
+
+public class DoctorResetPasswordValidation : AbstractValidator<DoctorLoginDTO>
+{
+    private readonly IDoctorRepository _doctorRepository;
+
+    public DoctorResetPasswordValidation(IDoctorRepository doctorRepository)
+    {
+        _doctorRepository = doctorRepository;
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.")
+            .EmailAddress().WithMessage("Invalid email format.")
+            .MustAsync(BeExistingDoctor).WithMessage("Doctor with this email does not exist.");
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.")
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.")
+            .MustAsync((dto, password, context, cancellationToken) => BeDifferentFromOldPassword(dto.Email, password, cancellationToken))
+            .WithMessage("New password cannot be the same as old password.");
+    }
+
+    private async Task<bool> BeExistingDoctor(string email, CancellationToken cancellationToken)
+    {
+        var doctor = await _doctorRepository.FindByEmailAsync(email);
+        return doctor != null;
+    }
+
+    private async Task<bool> BeDifferentFromOldPassword(string email, string newPassword, CancellationToken cancellationToken)
+    {
+        var currentDoctor = await _doctorRepository.FindByEmailAsync(email);
+        return !newPassword.Equals(currentDoctor?.Password, StringComparison.Ordinal);
+    }
+}

backend/Application/Endpoints/MedicalHistories/MedicalHistoryCreateValidation.cs

@@ -0,0 +1,27 @@
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.MedicalHistories;
+
+public class MedicalHistoryCreateValidation : AbstractValidator<MedicalHistoryDTO>
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public MedicalHistoryCreateValidation(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+
+        RuleFor(x => x.UserId)
+            .NotEmpty().WithMessage("Pacient is required.")
+            .MustAsync(BeExistingUser).WithMessage("Specified pacient id doesn't exist.");
+
+        RuleFor(x => x.Description)
+            .NotEmpty().WithMessage("Description is required.");
+    }
+
+    private async Task<bool> BeExistingUser(Guid userId, CancellationToken cancellationToken)
+    {
+        var pacient = await _pacientRepository.GetByIdAsync(userId);
+        return pacient != null;
+    }
+}

backend/Application/Endpoints/MedicalHistories/MedicalHistoryDto.cs

@@ -0,0 +1,7 @@
+namespace Application.Endpoints.MedicalHistories;
+
+public class MedicalHistoryDTO
+{
+    public Guid UserId { get; set; }
+    public byte[] Description { get; set; } = [];
+}

backend/Application/Endpoints/MedicalHistories/MedicalHistoryHandler.cs

@@ -0,0 +1,109 @@
+using Application.Services.Database;
+using Core.Entities;
+
+namespace Application.Endpoints.MedicalHistories;
+
+public class MedicalHistoryHandler
+{
+    private readonly IMedicalHistoryRepository _medicalHistoryRepository;
+    private readonly IPacientRepository _pacientRepository;
+
+    public MedicalHistoryHandler(IMedicalHistoryRepository medicalHistoryRepository, IPacientRepository pacientRepository)
+    {
+        _medicalHistoryRepository = medicalHistoryRepository;
+        _pacientRepository = pacientRepository;
+    }
+    public async Task<BaseResponse> HandleGet(Guid id)
+    {
+        var medicalHistory = await _medicalHistoryRepository.GetByIdAsync(id).ConfigureAwait(false);
+        if (medicalHistory != null)
+        {
+            return new BaseResponse
+            {
+                Success = true,
+                Message = $"Retrieved Medical History with id: {id}",
+                Data = medicalHistory
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = false,
+            Message = $"Medical History with id: {id} not found",
+            Data = null
+        };
+    }
+
+    public async Task<BaseResponse> HandleCreate(Guid userId, byte[] description)
+    {
+        var validation = new MedicalHistoryCreateValidation(_pacientRepository);
+        var validationResult = await validation.ValidateAsync(new MedicalHistoryDTO { UserId = userId, Description = description});
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var medicalHistory = new MedicalHistory
+        {
+            UserId = userId,
+            Description = description
+        };
+
+        await _medicalHistoryRepository.AddAsync(medicalHistory);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = "Medical history record registered successfully",
+            Data = medicalHistory
+        };
+    }
+
+    public async Task<BaseResponse> HandleUpdate(Guid id, MedicalHistoryDTO updateDto)
+    {
+        var validation = new MedicalHistoryUpdateValidation(_medicalHistoryRepository, _pacientRepository);
+        var validationResult = await validation.ValidateAsync(new MedicalHistoryUpdateDTO { Id = id, UserId = updateDto.UserId, Description = updateDto.Description});
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var medicalHistoryToUpdate = await _medicalHistoryRepository.GetByIdAsync(id);
+
+        if (medicalHistoryToUpdate == null)
+        {
+            return new BaseResponse
+            {
+                Success = false,
+                Message = "Medical history not found for given Id",
+                Data = null
+            };
+        }
+
+        medicalHistoryToUpdate.UserId = updateDto.UserId;
+        medicalHistoryToUpdate.Description = updateDto.Description;
+
+        await _medicalHistoryRepository.UpdateAsync(medicalHistoryToUpdate);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = "Pacient updated successfully",
+            Data = medicalHistoryToUpdate
+        };
+    }
+}

backend/Application/Endpoints/MedicalHistories/MedicalHistoryUpdateDto.cs

@@ -0,0 +1,8 @@
+namespace Application.Endpoints.MedicalHistories;
+
+public class MedicalHistoryUpdateDTO
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public byte[] Description { get; set; } = [];
+}

backend/Application/Endpoints/MedicalHistories/MedicalHistoryUpdateValidation.cs

@@ -0,0 +1,39 @@
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.MedicalHistories;
+
+public class MedicalHistoryUpdateValidation : AbstractValidator<MedicalHistoryUpdateDTO>
+{
+    private readonly IMedicalHistoryRepository _medicalHistoryRepository;
+    private readonly IPacientRepository _pacientRepository;
+
+    public MedicalHistoryUpdateValidation(IMedicalHistoryRepository medicalHistoryRepository, IPacientRepository pacientRepository)
+    {
+        _medicalHistoryRepository = medicalHistoryRepository;
+        _pacientRepository = pacientRepository;
+
+        RuleFor(x => x.Id)
+            .NotEmpty().WithMessage("Id is required")
+            .MustAsync(BeExistingMedicalHistoryRecord).WithMessage("Medical hostory record does not exist");
+
+        RuleFor(x => x.UserId)
+            .NotEmpty().WithMessage("Pacient is required.")
+            .MustAsync(BeExistingUser).WithMessage("Specified pacient id doesn't exist.");
+
+        RuleFor(x => x.Description)
+            .NotEmpty().WithMessage("Description is required.");
+    }
+
+    private async Task<bool> BeExistingMedicalHistoryRecord(Guid guid, CancellationToken token)
+    {
+        var record = await _medicalHistoryRepository.GetByIdAsync(guid);
+        return record != null;
+    }
+
+    private async Task<bool> BeExistingUser(Guid userId, CancellationToken cancellationToken)
+    {
+        var pacient = await _pacientRepository.GetByIdAsync(userId);
+        return pacient != null;
+    }
+}

backend/Application/Endpoints/Pacients/Login/PacientLoginDto.cs

@@ -0,0 +1,7 @@
+namespace Application.Endpoints.Pacients.Login;
+
+public class PacientLoginDTO
+{
+    public string? Email { get; set; }
+    public string? Password { get; set; }
+}

backend/Application/Endpoints/Pacients/Login/PacientLoginHandler.cs

@@ -0,0 +1,37 @@
+using Application.Services.Database;
+
+namespace Application.Endpoints.Pacients.Login;
+
+public class PacientLoginHandler
+{
+    private readonly IPacientRepository _database;
+
+    public PacientLoginHandler(IPacientRepository database)
+    {
+        _database = database;
+    }
+
+    public async Task<BaseResponse> Handle(PacientLoginDTO loginDTO)
+    {
+        var validation = new PacientLoginValidation(_database);
+        var validationResult = await validation.ValidateAsync(loginDTO);
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.FirstOrDefault()?.ErrorMessage;
+            return new BaseResponse
+            {
+                Success = false,
+                Message = errorMessage,
+                Data = null
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = "Authentication successful",
+            Data = null
+        };
+    }
+}

backend/Application/Endpoints/Pacients/Login/PacientLoginValidation.cs

@@ -0,0 +1,29 @@
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.Pacients.Login;
+
+public class PacientLoginValidation : AbstractValidator<PacientLoginDTO>
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public PacientLoginValidation(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.")
+            .EmailAddress().WithMessage("Invalid email format.")
+            .MustAsync(BeExistingPacient).WithMessage("Pacient with this email does not exist.");
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.")
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.");
+    }
+
+    private async Task<bool> BeExistingPacient(string email, CancellationToken cancellationToken)
+    {
+        var pacient = await _pacientRepository.FindByEmailAsync(email);
+        return pacient != null;
+    }
+}

backend/Application/Endpoints/Pacients/Profile/PacientProfileDto.cs

@@ -0,0 +1,9 @@
+namespace Application.Endpoints.Pacients.Profile;
+
+public class PacientProfileDTO
+{
+    public string Name { get; set; }
+    public string Email { get; set; }
+    public string Password { get; set; }
+    public string Description { get; set; }
+}

backend/Application/Endpoints/Pacients/Profile/PacientProfileHandler.cs

@@ -0,0 +1,120 @@
+using Application.Services.Database;
+
+namespace Application.Endpoints.Pacients.Profile;
+
+public class PacientProfileHandler
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public PacientProfileHandler(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+    }
+
+    public async Task<BaseResponse> HandleGet(Guid id)
+    {
+        var pacient = await _pacientRepository.GetByIdAsync(id).ConfigureAwait(false);
+        if (pacient != null)
+        {
+            return new BaseResponse
+            {
+                Success = true,
+                Message = $"Retrieved pacient with id: {id}",
+                Data = pacient
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = false,
+            Message = $"Pacient with id: {id} not found",
+            Data = null
+        };
+    }
+
+    public async Task<BaseResponse> HandleGetAll()
+    {
+        var pacients = await _pacientRepository.GetAllAsync().ConfigureAwait(false);
+        if (pacients.Any())
+        {
+            return new BaseResponse
+            {
+                Success = true,
+                Message = "Retrieved pacients",
+                Data = pacients.ToList()
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = false,
+            Message = "Pacients not found",
+            Data = null
+        };
+    }
+
+    public async Task<BaseResponse> HandleUpdate(Guid id, PacientProfileDTO updateDto)
+    {
+        var validation = new PacientProfileValidation(_pacientRepository);
+        var validationResult = await validation.ValidateAsync(updateDto);
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var pacientToUpdate = await _pacientRepository.GetByIdAsync(id);
+
+        if (pacientToUpdate == null)
+        {
+            return new BaseResponse
+            {
+                Success = false,
+                Message = "Pacient not found for given Id",
+                Data = null
+            };
+        }
+
+        pacientToUpdate.Email = updateDto.Email;
+        pacientToUpdate.Password = updateDto.Password;
+        pacientToUpdate.Name = updateDto.Name;
+
+        await _pacientRepository.UpdateAsync(pacientToUpdate);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = "Pacient updated successfully",
+            Data = pacientToUpdate
+        };
+    }
+
+    public async Task<BaseResponse> HandleDelete(Guid id)
+    {
+        var pacientToDelete = await _pacientRepository.GetByIdAsync(id);
+        if (pacientToDelete == null)
+        {
+            return new BaseResponse
+            {
+                Success = false,
+                Message = $"Pacient with id: {id} does not exist",
+                Data = null
+            };
+        }
+
+        await _pacientRepository.DeleteAsync(pacientToDelete);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = $"Pacient with id: {id} was succesfully deleted",
+            Data = pacientToDelete
+        };
+    }
+}

backend/Application/Endpoints/Pacients/Profile/PacientProfileValidation.cs

@@ -0,0 +1,40 @@
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.Pacients.Profile;
+
+public class PacientProfileValidation : AbstractValidator<PacientProfileDTO>
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public PacientProfileValidation(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.")
+            .EmailAddress().WithMessage("Invalid email format.")
+            .MustAsync(BeUniqueEmail).WithMessage("Email in use by another pacient.");
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.")
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.");
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Name is required.")
+            .MinimumLength(3).WithMessage("Name must be at least 3 characters long.");
+
+        RuleFor(x => x.Description)
+            .MaximumLength(3000).WithMessage("Description must not exceed 3000 characters.");
+    }
+
+    private async Task<bool> BeUniqueEmail(string email, CancellationToken cancellationToken)
+    {
+        var pacient = await _pacientRepository.FindByEmailAsync(email);
+        if (pacient != null)
+        {
+            return pacient.Email.Equals(email, StringComparison.OrdinalIgnoreCase);
+        }
+        return pacient == null;
+    }
+}

backend/Application/Endpoints/Pacients/Registration/PacientRegistrationDto.cs

@@ -0,0 +1,8 @@
+namespace Application.Endpoints.Pacients.Login;
+
+public class PacientRegistrationDto
+{
+    public string Name { get; set; }
+    public string Email { get; set; }
+    public string Password { get; set; }
+}

backend/Application/Endpoints/Pacients/Registration/PacientRegistrationHandler.cs

@@ -0,0 +1,48 @@
+using Application.Endpoints.Pacients.Login;
+using Application.Services.Database;
+using Core.Entities;
+
+namespace Application.Endpoints.Pacients.Registration;
+
+public class PacientRegistrationHandler
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public PacientRegistrationHandler(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+    }
+
+    public async Task<BaseResponse> Handle(PacientRegistrationDto registrationDTO)
+    {
+        var validation = new PacientRegistrationValidation(_pacientRepository);
+        var validationResult = await validation.ValidateAsync(registrationDTO);
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var pacient = new Pacient
+        {
+            Email = registrationDTO.Email,
+            Password = registrationDTO.Password,
+            Name = registrationDTO.Name
+        };
+
+        await _pacientRepository.AddAsync(pacient);
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = "Pacient registered successfully",
+            Data = pacient // Be careful with sending sensitive data like Passwords
+        };
+    }
+}

backend/Application/Endpoints/Pacients/Registration/PacientRegistrationValidation.cs

@@ -0,0 +1,34 @@
+using Application.Endpoints.Pacients.Login;
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.Pacients.Registration;
+
+public class PacientRegistrationValidation : AbstractValidator<PacientRegistrationDto>
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public PacientRegistrationValidation(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.")
+            .EmailAddress().WithMessage("Invalid email format.")
+            .MustAsync(BeUniqueEmail).WithMessage("Email already exists.");
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.")
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.");
+
+        RuleFor(x => x.Name)
+            .NotEmpty().WithMessage("Name is required.")
+            .MinimumLength(3).WithMessage("Name must be at least 3 characters long.");
+    }
+
+    private async Task<bool> BeUniqueEmail(string email, CancellationToken cancellationToken)
+    {
+        var pacient = await _pacientRepository.FindByEmailAsync(email);
+        return pacient == null;
+    }
+}

backend/Application/Endpoints/Pacients/ResetPassword/PacientResetPasswordHandler.cs

@@ -0,0 +1,58 @@
+using Application.Endpoints.Pacients.Login;
+using Application.Services.Database;
+
+namespace Application.Endpoints.Pacients.ResetPassword;
+
+public class PacientResetPasswordHandler
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public PacientResetPasswordHandler(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+    }
+
+    public async Task<BaseResponse> Handle(PacientLoginDTO resetPacientDto)
+    {
+        var validation = new PacientResetPasswordValidation(_pacientRepository);
+        var validationResult = await validation.ValidateAsync(resetPacientDto);
+
+        if (!validationResult.IsValid)
+        {
+            var errorMessage = validationResult.Errors.Select(e => e.ErrorMessage).ToList();
+            return new BaseResponse
+            {
+                Success = false,
+                Message = string.Join(", ", errorMessage),
+                Data = null
+            };
+        }
+
+        var currentPacient = await _pacientRepository.FindByEmailAsync(resetPacientDto.Email);
+
+        var updatedPacient = currentPacient;
+
+        updatedPacient.Password = resetPacientDto.Password;
+
+        await _pacientRepository.UpdateAsync(updatedPacient);
+
+        updatedPacient = await _pacientRepository.GetByIdAsync(currentPacient.Id);
+
+        if (updatedPacient.Password != resetPacientDto.Password)
+        {
+            return new BaseResponse
+            {
+                Success = false,
+                Message = $"Failed to update passwor for pacient {updatedPacient.Name}",
+                Data = null
+            };
+        }
+
+        return new BaseResponse
+        {
+            Success = true,
+            Message = $"Password of pacient {updatedPacient.Name} has been reset succesfully",
+            Data = updatedPacient.Email
+        };
+    }
+}

backend/Application/Endpoints/Pacients/ResetPassword/PacientResetPasswordValidation.cs

@@ -0,0 +1,37 @@
+using Application.Services.Database;
+using FluentValidation;
+
+namespace Application.Endpoints.Pacients.Login;
+
+public class PacientResetPasswordValidation : AbstractValidator<PacientLoginDTO>
+{
+    private readonly IPacientRepository _pacientRepository;
+
+    public PacientResetPasswordValidation(IPacientRepository pacientRepository)
+    {
+        _pacientRepository = pacientRepository;
+
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("Email is required.")
+            .EmailAddress().WithMessage("Invalid email format.")
+            .MustAsync(BeExistingPacient).WithMessage("Pacient with this email does not exist.");
+
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("Password is required.")
+            .MinimumLength(8).WithMessage("Password must be at least 8 characters long.")
+            .MustAsync((dto, password, context, cancellationToken) => BeDifferentFromOldPassword(dto.Email, password, cancellationToken))
+            .WithMessage("New password cannot be the same as old password.");
+    }
+
+    private async Task<bool> BeExistingPacient(string email, CancellationToken cancellationToken)
+    {
+        var pacient = await _pacientRepository.FindByEmailAsync(email);
+        return pacient != null;
+    }
+
+    private async Task<bool> BeDifferentFromOldPassword(string email, string newPassword, CancellationToken cancellationToken)
+    {
+        var currentPacient = await _pacientRepository.FindByEmailAsync(email);
+        return !newPassword.Equals(currentPacient?.Password, StringComparison.Ordinal);
+    }
+}

backend/Application/Services/Database/IConversation.cs

@@ -1,6 +1,5 @@
-namespace Application.Services.Database
+namespace Application.Services.Database;
-{
+
 public interface IConversationRepository
 {
 }
-}

backend/Application/Services/Database/IDoctors.cs

@@ -1,7 +1,18 @@
-namespace Application.Services.Database
+using Core.Entities;
-{
+
+namespace Application.Services.Database;
+
 public interface IDoctorRepository
 {
-        Task<bool> IsDoctorExisting(string email);
+    Task AddAsync(Doctor doctor);
-    }
+
+    Task<Doctor> GetByIdAsync(Guid id);
+
+    Task<Doctor?> FindByEmailAsync(string email);
+
+    Task UpdateAsync(Doctor doctor);
+
+    Task DeleteAsync(Doctor doctor);
+
+    Task<IEnumerable<Doctor>> GetAllAsync();
 }

backend/Application/Services/Database/IMedicalHistory.cs

@@ -1,6 +1,15 @@
-namespace Application.Services.Database
+using Core.Entities;
-{
+
+namespace Application.Services.Database;
+
 public interface IMedicalHistoryRepository
 {
-    }
+    Task<MedicalHistory> GetByIdAsync(Guid id);
+
+    Task<MedicalHistory?> GetByUserIdAsync(Guid userId);
+
+    Task AddAsync(MedicalHistory medicalHistory);
+
+    Task UpdateAsync(MedicalHistory medicalHistory);
+
 }

backend/Application/Services/Database/IPatients.cs

@@ -1,6 +1,18 @@
-namespace Application.Services.Database
+using Core.Entities;
-{
+
+namespace Application.Services.Database;
+
 public interface IPacientRepository
 {
-    }
+    Task AddAsync(Pacient pacient);
+
+    Task<Pacient> GetByIdAsync(Guid id);
+
+    Task<Pacient?> FindByEmailAsync(string email);
+
+    Task UpdateAsync(Pacient doctor);
+
+    Task DeleteAsync(Pacient doctor);
+
+    Task<IEnumerable<Pacient>> GetAllAsync();
 }

backend/Core/Entities/Chat.cs

@@ -1,8 +1,8 @@
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
 
-namespace Core.Entities
+namespace Core.Entities;
-{
+
 public class Chat
 {
     [BsonId]
@@ -22,4 +22,3 @@ namespace Core.Entities
 
     public string Content { get; set; }
 }
-}

backend/Core/Entities/Doctor.cs

@@ -1,7 +1,7 @@
 using System.ComponentModel.DataAnnotations;
 
-namespace Core.Entities
+namespace Core.Entities;
-{
+
 public class Doctor
 {
     public Doctor()
@@ -11,14 +11,8 @@ namespace Core.Entities
 
     [Key]
     public Guid Id { get; private set; }
-        public string? Name { get; private set; }
+    public string? Name { get; set; }
-        public string? Email { get; private set; }
+    public string? Email { get; set; }
-        public string? Password { get; private set; }
+    public string? Password { get; set; }
-        public string? Description { get; private set; }
+    public string? Description { get; set; }
-
-        public void SetName(string name) { Name = name; }
-        public void SetEmail(string email) { Email = email; }
-        public void SetPassword(string password) { Password = password; }
-        public void SetDescription (string description) { Description = description; }
-    }
 }

backend/Core/Entities/MedicalHistory.cs

@@ -1,7 +1,7 @@
 using System.ComponentModel.DataAnnotations;
 
-namespace Core.Entities
+namespace Core.Entities;
-{
+
 public class MedicalHistory
 {
     public MedicalHistory()
@@ -11,10 +11,6 @@ namespace Core.Entities
 
     [Key]
     public Guid Id { get; private set; }
-        public Guid UserId { get; private set; }
+    public Guid UserId { get; set; }
-        public byte[] Description { get; private set; } = [];
+    public byte[] Description { get; set; } = [];
-
-        public void SetUserId(Guid userId) { UserId = userId; }
-        public void SetDescription(byte[] description) { Description = description; }
-    }
 }

backend/Core/Entities/Pacient.cs

@@ -1,7 +1,7 @@
 using System.ComponentModel.DataAnnotations;
 
-namespace Core.Entities
+namespace Core.Entities;
-{
+
 public class Pacient
 {
     public Pacient()
@@ -11,12 +11,7 @@ namespace Core.Entities
 
     [Key]
     public Guid Id { get; private set; }
-        public string? Name {  get; private set; }
+    public string? Name {  get; set; }
-        public string? Email { get; private set; }
+    public string? Email { get; set; }
-        public string? Password {  get; private set; }
+    public string? Password {  get; set; }
-
-        public void SetName(string name) { Name = name; }
-        public void SetEmail(string email) { Email = email; }
-        public void SetPassword(string password) { Password = password; }
-    }
 }

backend/Infrastructure/DesignTimeDbContextFactory.cs

@@ -3,8 +3,8 @@ using Microsoft.EntityFrameworkCore.Design;
 using Microsoft.Extensions.Configuration;
 
 
-namespace Infrastructure.Data
+namespace Infrastructure.Data;
-{
+
 public class DesignTimeDbContextFactory : IDesignTimeDbContextFactory<HealthcareManagerDatabase>
 {
     public HealthcareManagerDatabase CreateDbContext(string[] args)
@@ -25,4 +25,3 @@ namespace Infrastructure.Data
         return new HealthcareManagerDatabase(builder.Options);
     }
 }
-}

backend/Infrastructure/HealthcareManagerDatabase.cs

@@ -1,8 +1,8 @@
 using Core.Entities;
 using Microsoft.EntityFrameworkCore;
 
-namespace Infrastructure.Data
+namespace Infrastructure.Data;
-{
+
 public class HealthcareManagerDatabase : DbContext
 {
     public HealthcareManagerDatabase(DbContextOptions<HealthcareManagerDatabase> options) : base(options) { }
@@ -16,4 +16,3 @@ namespace Infrastructure.Data
         base.OnModelCreating(modelBuilder);
     }
 }
-}

backend/Infrastructure/Infrastructure.csproj

@@ -12,6 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="8.0.3" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />

backend/Infrastructure/InfrastructureDI.cs

@@ -7,8 +7,8 @@ using Infrastructure.Services.MongoDB;
 using Application.Services.Database;
 using Infrastructure.Services.PostgreSQL;
 
-namespace Infrastructure
+namespace Infrastructure;
-{
+
 public static class DependencyInjection
 {
     public static IServiceCollection AddInfrastructureServices(this IServiceCollection services, IConfiguration configuration)
@@ -30,4 +30,3 @@ namespace Infrastructure
         return services;
     }
 }
-}

backend/Infrastructure/Services/PostgreSQL/BasePostgreSQLRepository.cs

@@ -1,8 +1,8 @@
 using Infrastructure.Data;
 using Microsoft.EntityFrameworkCore;
 
-namespace Infrastructure.Services.PostgreSQL
+namespace Infrastructure.Services.PostgreSQL;
-{
+
 public class BasePostgreSQLRepository<T> where T : class
 {
     protected readonly HealthcareManagerDatabase _context;
@@ -17,7 +17,7 @@ namespace Infrastructure.Services.PostgreSQL
         return await _context.Set<T>().FindAsync(id);
     }
 
-        public async Task<List<T>> ListAllAsync()
+    public async Task<IEnumerable<T>> GetAllAsync()
     {
         return await _context.Set<T>().ToListAsync();
     }
@@ -28,17 +28,16 @@ namespace Infrastructure.Services.PostgreSQL
         await _context.SaveChangesAsync();
     }
 
-        public async Task Update(T entity)
+    public async Task UpdateAsync(T entity)
     {
         _context.Set<T>().Attach(entity);
         _context.Entry(entity).State = EntityState.Modified;
         await _context.SaveChangesAsync();
     }
 
-        public async Task Delete(T entity)
+    public async Task DeleteAsync(T entity)
     {
         _context.Set<T>().Remove(entity);
         await _context.SaveChangesAsync();
     }
 }
-}

backend/Infrastructure/Services/PostgreSQL/DoctorRepository.cs

@@ -3,18 +3,10 @@ using Core.Entities;
 using Infrastructure.Data;
 using Microsoft.EntityFrameworkCore;
 
-namespace Infrastructure.Services.PostgreSQL
+namespace Infrastructure.Services.PostgreSQL;
-{
-    public class DoctorRepository : BasePostgreSQLRepository<Doctor>, IDoctorRepository
-    {
-        public DoctorRepository(HealthcareManagerDatabase context) : base(context)
-        {
-        }
 
-        public async Task<bool> IsDoctorExisting(string email)
+public class DoctorRepository(HealthcareManagerDatabase context) : BasePostgreSQLRepository<Doctor>(context), IDoctorRepository
 {
-            return await _context.Doctors.AnyAsync(d => d.Email == email);
+    public async Task<Doctor?> FindByEmailAsync(string email) 
-        }
+        => await _context.Doctors.FirstOrDefaultAsync(d => d.Email == email);
-
-    }
 }

backend/Infrastructure/Services/PostgreSQL/MedicalHistoryRepository.cs

@@ -1,14 +1,17 @@
 using Application.Services.Database;
 using Core.Entities;
 using Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace Infrastructure.Services.PostgreSQL;
 
-namespace Infrastructure.Services.PostgreSQL
-{
 public class MedicalHistoryRepository : BasePostgreSQLRepository<MedicalHistory>, IMedicalHistoryRepository
 {
     public MedicalHistoryRepository(HealthcareManagerDatabase context) : base(context)
     {
     }
 
-    }
+    public async Task<MedicalHistory?> GetByUserIdAsync(Guid userId)
+        => await _context.MedicalHistories.FirstOrDefaultAsync(d => d.UserId == userId);
+
 }

backend/Infrastructure/Services/PostgreSQL/PacientRepository.cs

@@ -1,14 +1,12 @@
 using Application.Services.Database;
 using Core.Entities;
 using Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
 
-namespace Infrastructure.Services.PostgreSQL
+namespace Infrastructure.Services.PostgreSQL;
-{
-    public class PacientRepository : BasePostgreSQLRepository<Pacient>, IPacientRepository
-    {
-        public PacientRepository(HealthcareManagerDatabase context) : base(context)
-        {
-        }
 
-    }
+public class PacientRepository(HealthcareManagerDatabase context) : BasePostgreSQLRepository<Pacient>(context), IPacientRepository
+{
+    public async Task<Pacient?> FindByEmailAsync(string email)
+        => await _context.Pacients.FirstOrDefaultAsync(d => d.Email == email);
 }