comment func implemented

backend/src/modules/comment/comment.dto.ts

@@ -6,7 +6,9 @@ import {
   IsInt,
   Min,
   Max,
+  MaxLength,
 } from 'class-validator';
+import { Type } from 'class-transformer';
 
 interface CommentEntity {
   id: string;
@@ -29,7 +31,7 @@ interface CommentEntity {
 
 export class CreateCommentDto {
   @IsString()
-  @Max(5000)
+  @MaxLength(5000)
   content: string;
 
   @IsUUID()
@@ -47,7 +49,7 @@ export class CreateCommentDto {
 
 export class UpdateCommentDto {
   @IsString()
-  @Max(5000)
+  @MaxLength(5000)
   @IsOptional()
   content?: string;
 
@@ -118,12 +120,14 @@ export class FindCommentsDto {
   @IsInt()
   @Min(1)
   @IsOptional()
+  @Type(() => Number)
   page?: number = 1;
 
   @IsInt()
   @Min(1)
   @Max(100)
   @IsOptional()
+  @Type(() => Number)
   limit?: number = 20;
 }