add app validation

src/app.module.ts

@@ -1,12 +1,22 @@
 import { Module } from '@nestjs/common';
 
+import { APP_PIPE } from '@nestjs/core';
+
 import { database } from './config';
 
+import { DEFAULT_VALIDATION_CONFIG } from './modules/content/constants';
 import { ContentModule } from './modules/content/content.module';
 import { CoreModule } from './modules/core/core.module';
+import { AppPipe } from './modules/core/providers/app.pipe';
 import { DatabaseModule } from './modules/database/database.module';
 
 @Module({
     imports: [ContentModule, CoreModule.forRoot(), DatabaseModule.forRoot(database)],
+    providers: [
+        {
+            provide: APP_PIPE,
+            useValue: new AppPipe(DEFAULT_VALIDATION_CONFIG),
+        },
+    ],
 })
 export class AppModule {}

src/modules/content/controllers/category.controller.ts

@@ -10,12 +10,10 @@ import {
     Query,
     SerializeOptions,
     UseInterceptors,
-    ValidationPipe,
 } from '@nestjs/common';
 
 import { AppInterceptor } from '@/modules/core/providers/app.interceptor';
 
-import { DEFAULT_VALIDATION_CONFIG } from '../constants';
 import { CreateCategoryDto, QueryCategoryDto, UpdateCategoryDto } from '../dtos/category.dto';
 import { CategoryService } from '../services';
 
@@ -33,7 +31,7 @@ export class CategoryController {
     @Get()
     @SerializeOptions({ groups: ['category-list'] })
     async list(
-        @Query(new ValidationPipe(DEFAULT_VALIDATION_CONFIG))
+        @Query()
         options: QueryCategoryDto,
     ) {
         return this.service.paginate(options);
@@ -48,12 +46,7 @@ export class CategoryController {
     @Post()
     @SerializeOptions({ groups: ['category-detail'] })
     async store(
-        @Body(
-            new ValidationPipe({
-                ...DEFAULT_VALIDATION_CONFIG,
-                groups: ['create'],
-            }),
-        )
+        @Body()
         data: CreateCategoryDto,
     ) {
         return this.service.create(data);
@@ -62,12 +55,7 @@ export class CategoryController {
     @Patch()
     @SerializeOptions({ groups: ['category-detail'] })
     async update(
-        @Body(
-            new ValidationPipe({
-                ...DEFAULT_VALIDATION_CONFIG,
-                groups: ['update'],
-            }),
-        )
+        @Body()
         data: UpdateCategoryDto,
     ) {
         return this.service.update(data);

src/modules/content/controllers/comment.controller.ts

@@ -9,14 +9,10 @@ import {
     Query,
     SerializeOptions,
     UseInterceptors,
-    ValidationPipe,
 } from '@nestjs/common';
 
-import { pick } from 'lodash';
-
 import { AppInterceptor } from '@/modules/core/providers/app.interceptor';
 
-import { DEFAULT_VALIDATION_CONFIG } from '../constants';
 import { CreateCommentDto, QueryCommentDto, QueryCommentTreeDto } from '../dtos/comment.dto';
 import { CommentService } from '../services';
 
@@ -27,18 +23,14 @@ export class CommentController {
 
     @Get('tree')
     @SerializeOptions({ groups: ['comment-tree'] })
-    async tree(@Query(new ValidationPipe(DEFAULT_VALIDATION_CONFIG)) options: QueryCommentTreeDto) {
+    async tree(@Query() options: QueryCommentTreeDto) {
         return this.service.findTrees(options);
     }
 
     @Get()
     @SerializeOptions({ groups: ['comment-list'] })
     async list(
-        @Query(
-            new ValidationPipe({
-                ...pick(DEFAULT_VALIDATION_CONFIG, ['forbidNonWhitelisted', 'whitelist']),
-            }),
-        )
+        @Query()
         options: QueryCommentDto,
     ) {
         return this.service.paginate(options);
@@ -46,7 +38,7 @@ export class CommentController {
 
     @Post()
     @SerializeOptions({ groups: ['comment-detail'] })
-    async store(@Body(new ValidationPipe(DEFAULT_VALIDATION_CONFIG)) data: CreateCommentDto) {
+    async store(@Body() data: CreateCommentDto) {
         return this.service.create(data);
     }
 

src/modules/content/controllers/post.controller.ts

@@ -10,15 +10,12 @@ import {
     Query,
     SerializeOptions,
     UseInterceptors,
-    ValidationPipe,
 } from '@nestjs/common';
 
 import { CreatePostDto, QueryPostDto, UpdatePostDto } from '@/modules/content/dtos/post.dto';
 import { PostService } from '@/modules/content/services/post.service';
 import { AppInterceptor } from '@/modules/core/providers/app.interceptor';
 
-import { DEFAULT_VALIDATION_CONFIG } from '../constants';
-
 @UseInterceptors(AppInterceptor)
 @Controller('posts')
 export class PostController {
@@ -27,7 +24,7 @@ export class PostController {
     @Get()
     @SerializeOptions({ groups: ['post-list'] })
     async list(
-        @Query(new ValidationPipe(DEFAULT_VALIDATION_CONFIG))
+        @Query()
         options: QueryPostDto,
     ) {
         return this.postService.paginate(options);
@@ -42,12 +39,7 @@ export class PostController {
     @Post()
     @SerializeOptions({ groups: ['post-detail'] })
     async store(
-        @Body(
-            new ValidationPipe({
-                ...DEFAULT_VALIDATION_CONFIG,
-                groups: ['create'],
-            }),
-        )
+        @Body()
         data: CreatePostDto,
     ) {
         return this.postService.create(data);
@@ -56,12 +48,7 @@ export class PostController {
     @Patch()
     @SerializeOptions({ groups: ['post-detail'] })
     async update(
-        @Body(
-            new ValidationPipe({
-                ...DEFAULT_VALIDATION_CONFIG,
-                groups: ['update'],
-            }),
-        )
+        @Body()
         data: UpdatePostDto,
     ) {
         return this.postService.update(data);

src/modules/content/controllers/tag.controller.ts

@@ -10,12 +10,10 @@ import {
     Query,
     SerializeOptions,
     UseInterceptors,
-    ValidationPipe,
 } from '@nestjs/common';
 
 import { AppInterceptor } from '@/modules/core/providers/app.interceptor';
 
-import { DEFAULT_VALIDATION_CONFIG } from '../constants';
 import { CreateTagDto, QueryTagDto, UpdateTagDto } from '../dtos/tag.dto';
 import { TagService } from '../services';
 
@@ -27,7 +25,7 @@ export class TagController {
     @Get()
     @SerializeOptions({})
     async list(
-        @Query(new ValidationPipe(DEFAULT_VALIDATION_CONFIG))
+        @Query()
         options: QueryTagDto,
     ) {
         return this.service.paginate(options);
@@ -42,7 +40,7 @@ export class TagController {
     @Post()
     @SerializeOptions({})
     async store(
-        @Body(new ValidationPipe({ ...DEFAULT_VALIDATION_CONFIG, groups: ['create'] }))
+        @Body()
         data: CreateTagDto,
     ) {
         return this.service.create(data);
@@ -51,7 +49,7 @@ export class TagController {
     @Patch()
     @SerializeOptions({})
     async update(
-        @Body(new ValidationPipe({ ...DEFAULT_VALIDATION_CONFIG, groups: ['update'] }))
+        @Body()
         date: UpdateTagDto,
     ) {
         return this.service.update(date);

src/modules/content/dtos/category.dto.ts

@@ -12,8 +12,10 @@ import {
 } from 'class-validator';
 import { toNumber } from 'lodash';
 
+import { DtoValidation } from '@/modules/core/decorator/dto.validation.decorator';
 import { PaginateOptions } from '@/modules/database/types';
 
+@DtoValidation({ type: 'query' })
 export class QueryCategoryDto implements PaginateOptions {
     @Transform(({ value }) => toNumber(value))
     @Min(1, { message: 'The current page must be greater than 1.' })
@@ -28,6 +30,7 @@ export class QueryCategoryDto implements PaginateOptions {
     limit = 10;
 }
 
+@DtoValidation({ groups: ['create'] })
 export class CreateCategoryDto {
     @MaxLength(25, {
         always: true,
@@ -53,6 +56,7 @@ export class CreateCategoryDto {
     customOrder?: number = 0;
 }
 
+@DtoValidation({ groups: ['update'] })
 export class UpdateCategoryDto extends PartialType(CreateCategoryDto) {
     @IsUUID(undefined, { message: 'The ID format is incorrect', groups: ['update'] })
     @IsDefined({ groups: ['update'], message: 'The ID must be specified' })

src/modules/content/dtos/comment.dto.ts

@@ -12,8 +12,10 @@ import {
 } from 'class-validator';
 import { toNumber } from 'lodash';
 
+import { DtoValidation } from '@/modules/core/decorator/dto.validation.decorator';
 import { PaginateOptions } from '@/modules/database/types';
 
+@DtoValidation({ type: 'query' })
 export class QueryCommentDto implements PaginateOptions {
     @Transform(({ value }) => toNumber(value))
     @Min(1, { message: 'The current page must be greater than 1.' })
@@ -32,8 +34,10 @@ export class QueryCommentDto implements PaginateOptions {
     post?: string;
 }
 
+@DtoValidation({ type: 'query' })
 export class QueryCommentTreeDto extends PickType(QueryCommentDto, ['post']) {}
 
+@DtoValidation()
 export class CreateCommentDto {
     @MaxLength(1000, { message: '' })
     @IsNotEmpty({ message: '' })

src/modules/content/dtos/post.dto.ts

@@ -17,9 +17,11 @@ import {
 import { isNil, toNumber } from 'lodash';
 
 import { PostOrder } from '@/modules/content/constants';
+import { DtoValidation } from '@/modules/core/decorator/dto.validation.decorator';
 import { toBoolean } from '@/modules/core/helpers';
 import { PaginateOptions } from '@/modules/database/types';
 
+@DtoValidation({ type: 'query' })
 export class QueryPostDto implements PaginateOptions {
     @Transform(({ value }) => toBoolean(value))
     @IsBoolean()
@@ -53,6 +55,7 @@ export class QueryPostDto implements PaginateOptions {
     tag?: string;
 }
 
+@DtoValidation({ groups: ['create'] })
 export class CreatePostDto {
     @MaxLength(255, {
         always: true,
@@ -109,6 +112,7 @@ export class CreatePostDto {
     tags?: string[];
 }
 
+@DtoValidation({ groups: ['update'] })
 export class UpdatePostDto extends PartialType(CreatePostDto) {
     @IsUUID(undefined, {
         groups: ['update'],

src/modules/content/dtos/tag.dto.ts

@@ -11,8 +11,10 @@ import {
 } from 'class-validator';
 import { toNumber } from 'lodash';
 
+import { DtoValidation } from '@/modules/core/decorator/dto.validation.decorator';
 import { PaginateOptions } from '@/modules/database/types';
 
+@DtoValidation({ type: 'query' })
 export class QueryTagDto implements PaginateOptions {
     @Transform(({ value }) => toNumber(value))
     @Min(1, { message: 'The current page must be greater than 1.' })
@@ -27,6 +29,7 @@ export class QueryTagDto implements PaginateOptions {
     limit = 10;
 }
 
+@DtoValidation({ groups: ['create'] })
 export class CreateTagDto {
     @MaxLength(255, {
         always: true,
@@ -44,6 +47,7 @@ export class CreateTagDto {
     desc?: string;
 }
 
+@DtoValidation({ groups: ['update'] })
 export class UpdateTagDto extends PartialType(CreateTagDto) {
     @IsUUID(undefined, { message: 'The ID format is incorrect', groups: ['update'] })
     @IsDefined({ groups: ['update'], message: 'The ID must be specified' })

src/modules/core/contants.ts

@@ -0,0 +1 @@
+export const DTO_VALIDATION_OPTIONS = 'dto_validation_options';

src/modules/core/decorator/dto.validation.decorator.ts

@@ -0,0 +1,11 @@
+import { Paramtype, SetMetadata } from '@nestjs/common';
+import { ClassTransformOptions } from 'class-transformer';
+import { ValidationOptions } from 'class-validator';
+
+import { DTO_VALIDATION_OPTIONS } from '../contants';
+
+export const DtoValidation = (
+    options?: ValidationOptions & { transformOptions?: ClassTransformOptions } & {
+        type?: Paramtype;
+    },
+) => SetMetadata(DTO_VALIDATION_OPTIONS, options ?? {});

src/modules/core/providers/app.pipe.ts

@@ -0,0 +1,59 @@
+import { ArgumentMetadata, BadRequestException, Paramtype, ValidationPipe } from '@nestjs/common';
+
+import { isObject, omit } from 'lodash';
+
+import { DTO_VALIDATION_OPTIONS } from '../contants';
+import { deepMerge } from '../helpers';
+
+export class AppPipe extends ValidationPipe {
+    async transform(value: any, metadata: ArgumentMetadata): Promise<any> {
+        const { metatype, type } = metadata;
+        const dto = metatype as any;
+        const options = Reflect.getMetadata(DTO_VALIDATION_OPTIONS, dto) || {};
+        const originOptions = { ...this.validatorOptions };
+        const originTransform = { ...this.transformOptions };
+        const { transformOptions, type: optionsType, ...customOptions } = options;
+        const requestBody: Paramtype = optionsType ?? 'body';
+        if (requestBody !== type) {
+            return value;
+        }
+        if (transformOptions) {
+            this.transformOptions = deepMerge(
+                this.transformOptions,
+                transformOptions ?? {},
+                'replace',
+            );
+        }
+        this.validatorOptions = deepMerge(this.validatorOptions, customOptions ?? {}, 'replace');
+        const toValidate = isObject(value)
+            ? Object.fromEntries(
+                  Object.entries(value as RecordAny).map(([key, val]) => {
+                      if (isObject(val) && 'mimetype' in val) {
+                          return [key, omit(val, ['fields'])];
+                      }
+                      return [key, val];
+                  }),
+              )
+            : value;
+        console.log(value);
+        console.log(toValidate);
+        try {
+            let result = await super.transform(toValidate, metadata);
+            if (typeof result.transform === 'function') {
+                result = await result.transform(result);
+                const { transform, ...data } = result;
+                result = data;
+            }
+            this.validatorOptions = originOptions;
+            this.transformOptions = originTransform;
+            return result;
+        } catch (error: any) {
+            this.validatorOptions = originOptions;
+            this.transformOptions = originTransform;
+            if ('response' in error) {
+                throw new BadRequestException(error.response);
+            }
+            throw new BadRequestException(error);
+        }
+    }
+}