feat: implement bulk step update

backend/routes/steps/edit.js

@@ -0,0 +1,90 @@
+const express = require('express');
+const router = express.Router();
+const defineStep = require('../../models/steps');
+const defineCaseStep = require('../../models/caseSteps');
+const { DataTypes } = require('sequelize');
+
+module.exports = function (sequelize) {
+  const Step = defineStep(sequelize, DataTypes);
+  const CaseStep = defineCaseStep(sequelize, DataTypes);
+  const { verifySignedIn } = require('../../middleware/auth')(sequelize);
+  const { verifyProjectDeveloperFromCaseId } = require('../../middleware/verifyEditable')(sequelize);
+
+  router.post('/update', verifySignedIn, verifyProjectDeveloperFromCaseId, async (req, res) => {
+    const caseId = req.query.caseId;
+    const steps = req.body;
+    const t = await sequelize.transaction();
+
+    const createStep = async (step) => {
+      const newStep = await Step.create(
+        {
+          step: step.step,
+          result: step.result,
+        },
+        { transaction: t }
+      );
+      await CaseStep.create(
+        {
+          caseId: caseId,
+          stepId: newStep.id,
+          stepNo: step.caseSteps.stepNo,
+        },
+        { transaction: t }
+      );
+      return newStep;
+    };
+
+    const deleteStep = async (step) => {
+      await CaseStep.destroy({
+        where: { stepId: step.id },
+        transaction: t,
+      });
+      await Step.destroy({
+        where: { id: step.id },
+        transaction: t,
+      });
+      return null;
+    };
+
+    const updateStep = async (step) => {
+      await Step.update(step, {
+        where: { id: step.id },
+        transaction: t,
+      });
+      await CaseStep.update(
+        {
+          stepNo: step.caseSteps.stepNo,
+        },
+        {
+          where: { stepId: step.id },
+          transaction: t,
+        }
+      );
+      return step;
+    };
+    try {
+      const results = await Promise.all(
+        steps.map(async (step) => {
+          if (step.editState === 'new') {
+            return createStep(step);
+          } else if (step.editState === 'deleted') {
+            return deleteStep(step);
+          } else if (step.editState === 'changed') {
+            return updateStep(step);
+          } else if (step.editState === 'notChanged') {
+            return step;
+          }
+        })
+      );
+
+      await t.commit();
+      res.json(results.filter((result) => result !== null));
+    } catch (error) {
+      console.error(error);
+      await t.rollback();
+      res.status(500).send('Internal Server Error');
+    }
+  });
+
+  return router;
+};