60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
const express = require('express');
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const router = express.Router();
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const defineStep = require('../../models/steps');
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const defineCaseStep = require('../../models/caseSteps');
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const { DataTypes, Op } = require('sequelize');
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module.exports = function (sequelize) {
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const Step = defineStep(sequelize, DataTypes);
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const CaseStep = defineCaseStep(sequelize, DataTypes);
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router.delete('/:stepId', async (req, res) => {
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const stepId = req.params.stepId;
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// TODO The caseId should not be specified from the front end, but should be traced from stepId by association.
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const caseId = req.query.parentCaseId;
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const t = await sequelize.transaction();
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try {
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const step = await Step.findByPk(stepId);
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if (!step) {
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await t.rollback();
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return res.status(404).send('Step not found');
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}
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// Get caseStep to be deleted.
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const deletingCaseStep = await CaseStep.findOne({
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where: {
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StepId: stepId,
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},
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transaction: t,
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});
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// Decrease stepNo for all caseSteps with greater than the caseStep to be deleted.
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await CaseStep.update(
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{ stepNo: sequelize.literal('stepNo - 1') },
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{
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where: {
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CaseId: caseId,
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stepNo: {
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[Op.gt]: deletingCaseStep.stepNo,
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},
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},
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transaction: t,
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}
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);
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await step.destroy({ transaction: t });
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await t.commit();
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res.status(204).send();
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} catch (error) {
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console.error(error);
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await t.rollback();
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res.status(500).send('Internal Server Error');
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}
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});
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return router;
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};
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