fix: prefill myinfo dropdown field options when faking sample submission data

src/app/modules/form/form.service.ts

@@ -35,6 +35,7 @@ import {
   PossibleDatabaseError,
 } from '../core/core.errors'
 import { IntranetService } from '../intranet/intranet.service'
+import { getMyInfoFieldOptions } from '../myinfo/myinfo.util'
 
 import {
   FormDeletedError,
@@ -358,6 +359,11 @@ export const retrievePublicFormsWithSmsVerification = (
 }
 
 export const createSingleSampleSubmissionAnswer = (field: FormFieldDto) => {
+  // Prefill dropdown MyInfo field options for faking
+  if (field.fieldType === BasicField.Dropdown && field.myInfo) {
+    field.fieldOptions = getMyInfoFieldOptions(field.myInfo.attr)
+  }
+
   let sampleValue = null
   let noOfTableRows
   let noOfTableCols
@@ -371,7 +377,10 @@ export const createSingleSampleSubmissionAnswer = (field: FormFieldDto) => {
       break
     case BasicField.Radio:
     case BasicField.Dropdown:
-      sampleValue = faker.helpers.arrayElement(field.fieldOptions)
+      sampleValue =
+        field.fieldOptions.length === 0
+          ? ''
+          : faker.helpers.arrayElement(field.fieldOptions)
       break
     case BasicField.Email:
       sampleValue = faker.internet.email()
@@ -412,7 +421,10 @@ export const createSingleSampleSubmissionAnswer = (field: FormFieldDto) => {
       sampleValue = tableSampleValue
       break
     case BasicField.Checkbox:
-      sampleValue = faker.helpers.arrayElements(field.fieldOptions)
+      sampleValue =
+        field.fieldOptions.length === 0
+          ? ''
+          : faker.helpers.arrayElements(field.fieldOptions)
       break
     case BasicField.Date:
       sampleValue = faker.date.anytime().toLocaleDateString('en-SG', {

src/app/modules/form/public-form/public-form.controller.ts

@@ -1,3 +1,4 @@
+import { HttpStatusCode } from 'axios'
 import { celebrate, Joi, Segments } from 'celebrate'
 import { StatusCodes } from 'http-status-codes'
 import { err, ok, Result } from 'neverthrow'
@@ -400,16 +401,31 @@ export const handleGetPublicFormSampleSubmission: ControllerHandler<
 
     return res.status(statusCode).json({ message: errorMessage })
   }
+
   const form = formResult.value
 
   const publicForm = form.getPublicView() as PublicFormDto
 
   const formFields = publicForm.form_fields
   if (!formFields) {
-    throw new Error('unable to get form fields')
+    logger.error({
+      message: 'Form fields not found from form public view',
+      meta: logMeta,
+    })
+    return res.sendStatus(HttpStatusCode.InternalServerError)
   }
 
-  const sampleData = FormService.createSampleSubmissionResponses(formFields)
+  let sampleData
+  try {
+    sampleData = FormService.createSampleSubmissionResponses(formFields)
+  } catch (error) {
+    logger.error({
+      message: 'Error faking sample submission data',
+      meta: logMeta,
+      error,
+    })
+    return res.sendStatus(HttpStatusCode.InternalServerError)
+  }
 
   return res.json({ responses: sampleData })
 }