update controller chunk endpoints

src/main/java/ru/soune/nocopy/entity/file/FileUploadSession.java

@@ -33,6 +33,9 @@ public class FileUploadSession {
     @Column(name = "file_size")
     private Long fileSize;
 
+    @Column(name = "chunk_size")
+    private Long chunkSize;
+
     @Column(name = "total_chunks")
     private Integer totalChunks;
 
@@ -84,9 +87,14 @@ public class FileUploadSession {
     public void prePersist() {
         this.createdAt = LocalDateTime.now();
         this.expiresAt = LocalDateTime.now().plusHours(24);
-        this.chunksUploaded = 0;
+        if (this.chunksUploaded == null) {
+            this.chunksUploaded = 0;
+        }
         if (this.status == null) {
             this.status = UploadStatus.INITIATED;
         }
+        if (this.retryCount == null) {
+            this.retryCount = 0;
+        }
     }
-}
+}