54 lines
1.4 KiB
TypeScript
54 lines
1.4 KiB
TypeScript
import { Inject, Service } from 'typedi';
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import HasTenancyService from '../Tenancy/TenancyService';
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import { ImportFilePreviewPOJO } from './interfaces';
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import { ImportFileProcess } from './ImportFileProcess';
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import { ImportAls } from './ImportALS';
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@Service()
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export class ImportFilePreview {
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@Inject()
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private tenancy: HasTenancyService;
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@Inject()
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private importFile: ImportFileProcess;
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@Inject()
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private importAls: ImportAls;
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/**
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* Preview the imported file results before commiting the transactions.
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* @param {number} tenantId -
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* @param {string} importId -
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* @returns {Promise<ImportFilePreviewPOJO>}
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*/
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public async preview(
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tenantId: number,
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importId: string
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): Promise<ImportFilePreviewPOJO> {
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return this.importAls.runPreview<Promise<ImportFilePreviewPOJO>>(() =>
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this.previewAlsRun(tenantId, importId)
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);
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}
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/**
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* Preview the imported file results before commiting the transactions.
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* @param {number} tenantId
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* @param {number} importId
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* @returns {Promise<ImportFilePreviewPOJO>}
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*/
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public async previewAlsRun(
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tenantId: number,
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importId: string
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): Promise<ImportFilePreviewPOJO> {
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const knex = this.tenancy.knex(tenantId);
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const trx = await knex.transaction({ isolationLevel: 'read uncommitted' });
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const meta = await this.importFile.import(tenantId, importId, trx);
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// Rollback the successed transaction.
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await trx.rollback();
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return meta;
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}
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}
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