xidongdong-153
ef90d0550b
- 增加了DTO和验证 - 服务类和控制器加入了dto - 增加序列化拦截器，对数组和分页特殊处理 - 实体中分配了序列化装饰器 - 控制器引入拦截器
106 lines
2.6 KiB
TypeScript
106 lines
2.6 KiB
TypeScript
import { PartialType } from '@nestjs/swagger';
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import { Transform } from 'class-transformer';
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import {
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IsBoolean,
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IsDateString,
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IsDefined,
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IsEnum,
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IsNotEmpty,
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IsNumber,
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IsOptional,
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IsUUID,
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MaxLength,
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Min,
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ValidateIf,
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} from 'class-validator';
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import { isNil, toNumber } from 'lodash';
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import { PostOrderType } from '@/modules/content/constants';
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import { toBoolean } from '@/modules/core/helpers';
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import { PaginateOptions } from '@/modules/database/types';
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/**
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* 文章分页查询验证
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*/
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export class QueryPostDto implements PaginateOptions {
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@Transform(({ value }) => toBoolean(value))
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@IsBoolean()
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@IsOptional()
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isPublished?: boolean;
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@IsEnum(PostOrderType, {
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message: `排序规则必需是${Object.values(PostOrderType).join(',')}中的一项`,
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})
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orderBy?: PostOrderType;
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@Transform(({ value }) => toNumber(value))
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@Min(1, { message: '当前页必需大于1' })
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@IsNumber()
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@IsOptional()
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page = 1;
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@Transform(({ value }) => toNumber(value))
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@Min(1, { message: '每页显示数据必须大于1' })
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@IsNumber()
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@IsOptional()
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limit: 10;
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}
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/**
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* 文章创建验证
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*/
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export class CreatePostDto {
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@MaxLength(255, {
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always: true,
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message: '文章标题长度最大为$constraint1',
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})
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@IsNotEmpty({
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groups: ['create'],
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message: '文章标题为必填',
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})
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@IsOptional({ groups: ['update'] })
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title: string;
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@IsNotEmpty({ groups: ['create'], message: '文章内容为必填' })
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@IsOptional({ groups: ['update'] })
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body: string;
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@MaxLength(500, {
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always: true,
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message: '文章摘要长度最大为$constraint1',
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})
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@IsOptional({ always: true })
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summary?: string;
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@IsDateString({ strict: true }, { always: true })
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@IsOptional({ always: true })
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@ValidateIf((value) => !isNil(value.publishedAt))
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@Transform(({ value }) => (value === 'null' ? null : value))
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publishedAt?: Date;
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@MaxLength(20, {
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each: true,
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always: true,
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message: '每个关键字长度最大为$constraint1',
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})
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@IsOptional({ always: true })
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keywords?: string[];
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@Transform(({ value }) => toNumber(value))
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@Min(0, { always: true, message: '排序值必须大于0' })
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@IsNumber(undefined, { always: true })
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@IsOptional({ always: true })
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customOrder = 0;
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}
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/**
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* 文章更新验证
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*/
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export class UpdatePostDto extends PartialType(CreatePostDto) {
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@IsUUID(undefined, { groups: ['update'], message: '文章ID格式错误' })
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@IsDefined({ groups: ['update'], message: '文章ID必须指定' })
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id: string;
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}
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