finalizare 1.0

backend/Application/Endpoints/Appointments/DeleteAppointment/DeleteAppointmentHandler.cs

@@ -0,0 +1,58 @@
+using Application.Services.Database.MongoDB;
+using Application.Services.Database.PostgreSQL;
+using Domain.Entities;
+
+namespace Application.Endpoints.Appointments.DeleteAppointment;
+
+public class DeleteAppointmentHandler(
+    IAppointmentsMongoDbService appointmentsMongoDbService,
+    IPatientRepository patientRepository,
+    IDoctorRepository doctorRepository)
+{
+    public async Task<BaseResponse> Handle(AppointmentInformation request, CancellationToken token)
+    {
+        var validation = new DeleteAppointmentValidator(appointmentsMongoDbService,
+            doctorRepository, patientRepository);
+        var validationResult = await validation.ValidateAsync(request, token);
+
+        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(request.DoctorId, request.PatientId);
+        var criteria = new List<(string FieldName, string Value)>
+        {
+            ("_id", appointmentId)
+        };
+        var appointments = await appointmentsMongoDbService.FindAsync<Appointment>(criteria, token);
+
+        if (!appointments.Any())
+            return new BaseResponse
+            {
+                StatusCode = HttpStatusCodes.NotFound,
+                Message = "Appointment not found in system.",
+                Data = null
+            };
+
+        var appointment = appointments[0];
+        appointment.RemoveAppointment(request.Appointment);
+        await appointmentsMongoDbService.ModifyAsync("_id", appointmentId, appointment, token);
+
+        return new BaseResponse
+        {
+            StatusCode = HttpStatusCodes.OK,
+            Message = "Appointment successfully removed.",
+            Data = null
+        };
+    }
+}