feat(Poll): add option to randomize poll choices

api/resolvers/item.js

@@ -26,6 +26,7 @@ import performPaidAction from '../paidAction'
 import { GqlAuthenticationError, GqlInputError } from '@/lib/error'
 import { verifyHmac } from './wallet'
 import { parse } from 'tldts'
+import { shuffleArray } from '@/lib/rand'
 
 function commentsOrderByClause (me, models, sort) {
   const sharedSortsArray = []
@@ -1150,7 +1151,8 @@ export default {
         poll.meVoted = false
       }
 
-      poll.options = options
+      poll.randPollOptions = item?.randPollOptions
+      poll.options = poll.randPollOptions ? shuffleArray(options) : options
       poll.count = options.reduce((t, o) => t + o.count, 0)
 
       return poll

api/typeDefs/item.js

@@ -57,7 +57,7 @@ export default gql`
       text: String!, url: String!, boost: Int, status: String, logo: Int): ItemPaidAction!
     upsertPoll(
       id: ID, sub: String, title: String!, text: String, options: [String!]!, boost: Int, forward: [ItemForwardInput], pollExpiresAt: Date,
-      hash: String, hmac: String): ItemPaidAction!
+      randPollOptions: Boolean, hash: String, hmac: String): ItemPaidAction!
     updateNoteId(id: ID!, noteId: String!): Item!
     upsertComment(id: ID, text: String!, parentId: ID, boost: Int, hash: String, hmac: String): ItemPaidAction!
     act(id: ID!, sats: Int, act: String, hasSendWallet: Boolean): ItemActPaidAction!
@@ -81,6 +81,7 @@ export default gql`
     meInvoiceActionState: InvoiceActionState
     count: Int!
     options: [PollOption!]!
+    randPollOptions: Boolean
   }
 
   type Items {

components/poll-form.js

@@ -1,4 +1,4 @@
-import { DateTimeInput, Form, Input, MarkdownInput, VariableInput } from '@/components/form'
+import { Checkbox, DateTimeInput, Form, Input, MarkdownInput, VariableInput } from '@/components/form'
 import { useApolloClient } from '@apollo/client'
 import Countdown from './countdown'
 import AdvPostForm, { AdvPostInitial } from './adv-post-form'
@@ -30,6 +30,7 @@ export function PollForm ({ item, sub, editThreshold, children }) {
         text: item?.text || '',
         options: initialOptions || ['', ''],
         crosspost: item ? !!item.noteId : me?.privates?.nostrCrossposting,
+        randPollOptions: item?.poll?.randPollOptions || false,
         pollExpiresAt: item ? item.pollExpiresAt : datePivot(new Date(), { hours: 25 }),
         ...AdvPostInitial({ forward: normalizeForwards(item?.forwards), boost: item?.boost }),
         ...SubSelectInitial({ sub: item?.subName || sub?.name })
@@ -68,6 +69,11 @@ export function PollForm ({ item, sub, editThreshold, children }) {
           label='poll expiration'
           name='pollExpiresAt'
           className='pr-4'
+          groupClassName='mb-0'
+        />
+        <Checkbox
+          label={<div className='d-flex align-items-center'>randomize order of poll choices</div>}
+          name='randPollOptions'
         />
       </AdvPostForm>
       <ItemButtonBar itemId={item?.id} />

fragments/items.js

@@ -152,6 +152,7 @@ export const POLL_FIELDS = gql`
         option
         count
       }
+      randPollOptions
     }
   }`
 

fragments/paidAction.js

@@ -192,10 +192,10 @@ export const UPSERT_POLL = gql`
   ${PAID_ACTION}
   mutation upsertPoll($sub: String, $id: ID, $title: String!, $text: String,
     $options: [String!]!, $boost: Int, $forward: [ItemForwardInput], $pollExpiresAt: Date,
-    ${HASH_HMAC_INPUT_1}) {
+    $randPollOptions: Boolean, ${HASH_HMAC_INPUT_1}) {
     upsertPoll(sub: $sub, id: $id, title: $title, text: $text,
       options: $options, boost: $boost, forward: $forward, pollExpiresAt: $pollExpiresAt,
-      ${HASH_HMAC_INPUT_2}) {
+      randPollOptions: $randPollOptions, ${HASH_HMAC_INPUT_2}) {
       result {
         id
         deleteScheduledAt

lib/rand.js

@@ -1,3 +1,7 @@
 export function randInRange (min, max) {
   return Math.random() * (max - min) + min
 }
+
+export function shuffleArray (array) {
+  return [...array].sort(() => Math.random() - 0.5)
+}

lib/validate.js

@@ -291,6 +291,7 @@ export function pollSchema ({ numExistingChoices = 0, ...args }) {
       test: arr => arr.length >= MIN_POLL_NUM_CHOICES - numExistingChoices
     }),
     pollExpiresAt: date().nullable().min(datePivot(new Date(), { days: 1 }), 'Expiration must be at least 1 day in the future'),
+    randPollOptions: boolean(),
     ...advPostSchemaMembers(args),
     ...subSelectSchemaMembers(args)
   }).test({

prisma/migrations/20250408172602_add_randomize_poll_choices_field/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Item" ADD COLUMN     "randPollOptions" BOOLEAN NOT NULL DEFAULT false;

prisma/schema.prisma

@@ -603,6 +603,7 @@ model Item {
   PollBlindVote        PollBlindVote[]
   ItemUserAgg          ItemUserAgg[]
   AutoSocialPost       AutoSocialPost[]
+  randPollOptions      Boolean               @default(false)
 
   @@index([uploadId])
   @@index([lastZapAt])