finalizare 1.0

backend/Application/Endpoints/Chats/SendMessage/SendMessageHandler.cs

@@ -0,0 +1,61 @@
+using Application.Services.Database.MongoDB;
+using Application.Services.Database.PostgreSQL;
+using Domain.Entities;
+
+namespace Application.Endpoints.Chats.SendMessage;
+
+public class SendMessageHandler(
+    IChatMongoDbService chatMongoDbService,
+    IPatientRepository patientRepository,
+    IDoctorRepository doctorRepository)
+{
+    public async Task<BaseResponse> Handle(SendMessageCommand request, CancellationToken token)
+    {
+        var validation = new SendMessageValidator(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 chatId = IdentifierGenerator.GenerateId(request.Sender, request.Receiver);
+
+        var criteria = new List<(string, string)>();
+        criteria.Add(("_id", chatId));
+
+        var documents = await chatMongoDbService.FindAsync<Chat>(criteria, token);
+        if (!documents.Any())
+            return new BaseResponse
+            {
+                StatusCode = HttpStatusCodes.NotFound,
+                Message = "Access to medical history not found.",
+                Data = null
+            };
+
+        var chat = documents[0].Messages;
+        chat.Add(new Message(request.Sender, request.Message));
+
+        var newChat = new Chat();
+        newChat.SetId(chatId);
+        newChat.SetMessages(chat);
+
+        await chatMongoDbService.ModifyAsync("_id", chatId, newChat, token);
+
+        return new BaseResponse
+        {
+            StatusCode = HttpStatusCodes.NoContent,
+            Message = null,
+            Data = null
+        };
+    }
+}