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• Koa-GraphQL-Template-master
  • .eslintignore
  • src
    • server.ts
    • router
      • index.ts
    • graphql
      • resolvers
        • info.ts
        • student.ts
      • index.ts
    • config
      • index.ts
    • controllers
      • info.ts
      • student.ts
    • entities
      • info.ts
      • student.ts
      • meta.ts
    • start.ts
    • mongodb
      • index.ts
  • LICENSE
  • README.md
  • package.json
  • .eslintrc.js
  • tsconfig.json
  • .gitignore
  • .prettierrc.js
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    • settings.json
    • launch.json

import { Resolver, Query, Mutation, Arg, InputType, Field } from 'type-graphql';
import { InfoModal, Info } from '../../entities/info';

@InputType()
class InfoInput {
    @Field(() => [String], { description: '爱好' })
    public hobby!: string[];

    @Field({ description: '身高' })
    public height!: string;

    @Field({ description: '体重' })
    public weight!: number;
}

@Resolver(Info)
export class InfoResolver {
    @Query(() => [Info], { nullable: true, description: '查询信息列表' })
    async infos() {
        return await InfoModal.find({}).sort('-meta.createdAt');
    }

    @Mutation(() => Info)
    async saveInfo(@Arg('data') newInfo: InfoInput) {
        const info = new InfoModal(newInfo);
        return await info.save();
    }

    @Mutation(() => Number, { nullable: true })
    async removeAllInfo() {
        const res = await InfoModal.deleteMany({ weight: { $gte: 0 } });
        return res.deletedCount || 0;
    }
}