add fileentity controller

src/main/java/ru/soune/nocopy/controller/ApiController.java

@@ -1,9 +1,7 @@
 package ru.soune.nocopy.controller;
 
-import jakarta.annotation.PostConstruct;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.context.ApplicationContext;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.BindingResult;
 import org.springframework.validation.FieldError;
@@ -19,10 +17,7 @@ import ru.soune.nocopy.dto.file.UploadProgress;
 import ru.soune.nocopy.entity.file.UploadStatus;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.exception.ValidationException;
-import ru.soune.nocopy.handler.FileUploadHandler;
-import ru.soune.nocopy.handler.LoginRequestHandler;
-import ru.soune.nocopy.handler.RegRequestHandler;
-import ru.soune.nocopy.handler.RequestHandler;
+import ru.soune.nocopy.handler.*;
 import ru.soune.nocopy.service.file.FileUploadService;
 
 import java.util.HashMap;
@@ -35,21 +30,10 @@ import java.util.stream.Collectors;
 @RequestMapping("/api")
 @RequiredArgsConstructor
 public class ApiController {
-    private final ApplicationContext applicationContext;
     private final FileUploadService fileUploadService;
 
-    private Map<Integer, RequestHandler> handlers = new HashMap<>();
+    private final Map<Integer, RequestHandler> handlers;
 
-    @PostConstruct
-    public void init() {
-        RegRequestHandler regHandler = applicationContext.getBean(RegRequestHandler.class);
-        LoginRequestHandler loginHandler = applicationContext.getBean(LoginRequestHandler.class);
-        FileUploadHandler fileUploadHandler = applicationContext.getBean(FileUploadHandler.class);
-
-        handlers.put(20004, fileUploadHandler);
-        handlers.put(20002, regHandler);
-        handlers.put(20001, loginHandler);
-    }
 
     @PostMapping("/v{version}/data")
     public ResponseEntity<?> handlePostRequest(@RequestBody BaseRequest request,