add file size

src/main/java/ru/soune/nocopy/dto/file/FileExtensionResponse.java

@@ -14,4 +14,7 @@ public class FileExtensionResponse {
 
     @JsonProperty("count")
     private Integer count;
+
+    @JsonProperty("max_file_size")
+    private Long maxFileSize;
 }

src/main/java/ru/soune/nocopy/handler/FileUploadHandler.java

@@ -3,6 +3,7 @@ package ru.soune.nocopy.handler;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.springframework.validation.BeanPropertyBindingResult;
 import org.springframework.validation.BindingResult;
@@ -26,11 +27,18 @@ import java.util.stream.Collectors;
 @RequiredArgsConstructor
 public class FileUploadHandler implements RequestHandler {
     private final FileUploadService fileUploadService;
+
     private final AuthTokenRepository authTokenRepository;
+
     private final FileUploadSessionRepository fileUploadSessionRepository;
+
     private final ObjectMapper objectMapper;
+
     private final FileUploadRequestValidator fileUploadRequestValidator;
 
+    @Value("${file.storage.max-file-size}")
+    private long maxFileSize;
+
     @Override
     public BaseResponse handle(BaseRequest request) {
         try {
@@ -254,6 +262,7 @@ public class FileUploadHandler implements RequestHandler {
             FileExtensionResponse response = FileExtensionResponse.builder()
                     .extension(allowedExtensions)
                     .count(allowedExtensions.size())
+                    .maxFileSize(maxFileSize)
                     .build();
 
             return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),