44 lines
1.4 KiB
TypeScript
44 lines
1.4 KiB
TypeScript
import { Injectable, UnprocessableEntityException } from '@nestjs/common';
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import { BaseDataService } from 'src/core/modules/data/service/base-data.service';
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import { validateRelations } from 'src/core/strings/constants/interface.constants';
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@Injectable()
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export class ValidateRelationHelper<Entity> {
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constructor(
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private dataId: string,
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private dataService: BaseDataService<Entity>,
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private relations: validateRelations[],
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private tableName: string,
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) {}
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async execute() {
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const repository = this.dataService.getRepository();
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const queryBuilder = repository.createQueryBuilder(this.tableName);
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// load relation
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for (const relation of this.relations) {
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queryBuilder.loadRelationCountAndMap(
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`${this.tableName}.total_${relation.relation}`,
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`${this.tableName}.${relation.relation}`,
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`total_${relation.relation}`,
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);
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}
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// filtering data only with specific data
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queryBuilder.where(`${this.tableName}.id in ('${this.dataId}')`);
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// get data
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const data = await queryBuilder.getOne();
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// process validasi
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for (const relation of this.relations) {
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const message =
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relation.message ??
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`Failed! this data already connected to ${relation.relation}`;
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if (data[`total_${relation.relation}`])
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throw new UnprocessableEntityException(message);
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}
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}
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}
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