fix(blog.entity): the field "body" is not recognized by GraphQL

src/entities/blog.entity.ts

@@ -1,6 +1,39 @@
 import { Field, ID, Int, ObjectType } from '@nestjs/graphql';
 import { Column, CreateDateColumn, Entity, PrimaryGeneratedColumn, UpdateDateColumn } from 'typeorm';
 
+@ObjectType()
+class Body {
+    @Field(() => String)
+    time: String;
+
+    @Field(() => [Block])
+    blocks: Block[];
+
+    @Field(() => String)
+    version: string;
+}
+
+@ObjectType()
+class Data {
+    @Field(() => String)
+    text: string;
+
+    @Field(() => Int, { nullable: true })
+    level: number;
+}
+
+@ObjectType()
+class Block {
+    @Field(() => String)
+    id: string;
+
+    @Field(() => String)
+    type: string;
+
+    @Field(() => Data)
+    data: Data;
+}
+
 @Entity()
 @ObjectType()
 export class Blog {
@@ -21,8 +54,8 @@ export class Blog {
     filename: string;
 
     @Column({ type: 'json', nullable: false })
-    @Field(() => String)
-    body: string;
+    @Field(() => Body)
+    body: Body;
 
     @Column({ default: 0 })
     @Field(() => Int)

src/resolvers/blog.resolver.ts

@@ -9,13 +9,13 @@ import { File } from '../entities/file.entity';
 export class BlogResolver {
     constructor(private readonly blogService: BlogService) {}
 
-    // @UseGuards(JwtAuthGuard)
+    @UseGuards(JwtAuthGuard)
     @Query(() => [Blog])
     findBlogPosts() {
         return this.blogService.find();
     }
 
-    // @UseGuards(JwtAuthGuard)
+    @UseGuards(JwtAuthGuard)
     @Query(() => Blog)
     findBlogPost(@Args('id') id: string) {
         return this.blogService.findById(id);