use tags to store market category

common/categories.ts

@@ -1,21 +1,3 @@
-export type category =
-  | 'sports'
-  | 'politics'
-  | 'technology'
-  | 'science'
-  | 'manifold'
-  | 'geopolitics'
-  | 'personal'
-  | 'fun'
-  | 'business'
-  | 'finance'
-  | 'society'
-  | 'entertainment'
-  | 'gaming'
-  | 'crypto'
-  | 'health'
-  | 'other'
-
 export const CATEGORIES = {
   politics: 'Politics',
   personal: 'Personal',
@@ -33,11 +15,12 @@ export const CATEGORIES = {
   crypto: 'Crypto',
   health: 'Health',
   entertainment: 'Entertainment',
+  charity: 'Charities / Non-profits',
   other: 'Other',
-}
+} as { [category: string]: string }
 
 export const TO_CATEGORY = Object.fromEntries(
   Object.entries(CATEGORIES).map(([k, v]) => [v, k])
 )
 
-export const CATEGORY_LIST = Object.keys(CATEGORIES) as category[]
+export const CATEGORY_LIST = Object.keys(CATEGORIES)

common/contract.ts

@@ -1,5 +1,4 @@
 import { Answer } from './answer'
-import { category } from './categories'
 import { Fees } from './fees'
 
 export type FullContract<
@@ -16,7 +15,6 @@ export type FullContract<
 
   question: string
   description: string // More info about what the contract is about
-  category: category
   tags: string[]
   lowercaseTags: string[]
   visibility: 'public' | 'unlisted'

common/new-contract.ts

@@ -11,7 +11,6 @@ import { User } from './user'
 import { parseTags } from './util/parse'
 import { removeUndefinedProps } from './util/object'
 import { calcDpmInitialPool } from './calculate-dpm'
-import { category } from './categories'
 
 export function getNewContract(
   id: string,
@@ -23,7 +22,6 @@ export function getNewContract(
   initialProb: number,
   ante: number,
   closeTime: number,
-  category: category,
   extraTags: string[]
 ) {
   const tags = parseTags(
@@ -50,7 +48,6 @@ export function getNewContract(
 
     question: question.trim(),
     description: description.trim(),
-    category,
     tags,
     lowercaseTags,
     visibility: 'public',

functions/src/create-contract.ts

@@ -1,6 +1,7 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
 import * as _ from 'lodash'
+
 import { chargeUser, getUser } from './utils'
 import {
   Binary,
@@ -26,7 +27,6 @@ import {
   MINIMUM_ANTE,
 } from '../../common/antes'
 import { getNoneAnswer } from '../../common/answer'
-import { category, CATEGORY_LIST } from '../../common/categories'
 
 export const createContract = functions
   .runWith({ minInstances: 1 })
@@ -36,7 +36,6 @@ export const createContract = functions
         question: string
         outcomeType: outcomeType
         description: string
-        category: category
         initialProb: number
         ante: number
         closeTime: number
@@ -50,8 +49,7 @@ export const createContract = functions
       const creator = await getUser(userId)
       if (!creator) return { status: 'error', message: 'User not found' }
 
-      let { question, description, initialProb, closeTime, tags, category } =
-        data
+      let { question, description, initialProb, closeTime, tags } = data
 
       if (!question || typeof question != 'string')
         return { status: 'error', message: 'Missing or invalid question field' }
@@ -61,10 +59,6 @@ export const createContract = functions
         return { status: 'error', message: 'Invalid description field' }
       description = description.slice(0, MAX_DESCRIPTION_LENGTH)
 
-      if (category !== undefined && !CATEGORY_LIST.includes(category))
-        return { status: 'error', message: 'Invalid category' }
-
-      // deprecated:
       if (tags !== undefined && !_.isArray(tags))
         return { status: 'error', message: 'Invalid tags field' }
       tags = tags?.map((tag) => tag.toString().slice(0, MAX_TAG_LENGTH))
@@ -121,7 +115,6 @@ export const createContract = functions
         initialProb,
         ante,
         closeTime,
-        category,
         tags ?? []
       )
 

web/components/contract/contract-info-dialog.tsx

@@ -3,9 +3,8 @@ import clsx from 'clsx'
 import dayjs from 'dayjs'
 import _ from 'lodash'
 import { useState } from 'react'
-import { Bet } from '../../../common/bet'
-import { CATEGORIES } from '../../../common/categories'
 
+import { Bet } from '../../../common/bet'
 import { Contract } from '../../../common/contract'
 import { formatMoney } from '../../../common/util/format'
 import {
@@ -29,7 +28,7 @@ export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
 
   const formatTime = (dt: number) => dayjs(dt).format('MMM DD, YYYY hh:mm a z')
 
-  const { createdTime, closeTime, resolutionTime, category } = contract
+  const { createdTime, closeTime, resolutionTime } = contract
   const tradersCount = _.uniqBy(bets, 'userId').length
 
   return (
@@ -65,13 +64,6 @@ export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
           <div>Stats</div>
           <table className="table-compact table-zebra table w-full text-gray-500">
             <tbody>
-              {category && (
-                <tr>
-                  <td>Category</td>
-                  <td>{CATEGORIES[category]}</td>
-                </tr>
-              )}
-
               <tr>
                 <td>Market created</td>
                 <td>{formatTime(createdTime)}</td>

web/pages/create.tsx

@@ -13,18 +13,12 @@ import { InfoTooltip } from '../components/info-tooltip'
 import { Page } from '../components/page'
 import { Title } from '../components/title'
 import { ProbabilitySelector } from '../components/probability-selector'
-import { parseWordsAsTags } from '../../common/util/parse'
-import { TagsList } from '../components/tags-list'
 import { Row } from '../components/layout/row'
 import { MAX_DESCRIPTION_LENGTH, outcomeType } from '../../common/contract'
 import { formatMoney } from '../../common/util/format'
 import { useHasCreatedContractToday } from '../hooks/use-has-created-contract-today'
-import {
-  CATEGORIES,
-  category,
-  CATEGORY_LIST,
-  TO_CATEGORY,
-} from '../../common/categories'
+import { CATEGORIES, CATEGORY_LIST, TO_CATEGORY } from '../../common/categories'
+import { removeUndefinedProps } from '../../common/util/object'
 
 export default function Create() {
   const [question, setQuestion] = useState('')
@@ -73,9 +67,10 @@ export function NewContract(props: { question: string; tag?: string }) {
   const [outcomeType, setOutcomeType] = useState<outcomeType>('BINARY')
   const [initialProb, setInitialProb] = useState(50)
   const [description, setDescription] = useState('')
-  const [category, setCategory] = useState<string>(CATEGORY_LIST[0])
-  const [tagText, setTagText] = useState<string>(tag ?? '')
-  const tags = parseWordsAsTags(tagText)
+
+  const [category, setCategory] = useState<string>('')
+  // const [tagText, setTagText] = useState<string>(tag ?? '')
+  // const tags = parseWordsAsTags(tagText)
 
   const [ante, setAnte] = useState(FIXED_ANTE)
 
@@ -117,16 +112,17 @@ export function NewContract(props: { question: string; tag?: string }) {
 
     setIsSubmitting(true)
 
-    const result: any = await createContract({
+    const result: any = await createContract(
+      removeUndefinedProps({
         question,
         outcomeType,
         description,
         initialProb,
         ante,
         closeTime,
-      category,
-      tags,
-    }).then((r) => r.data || {})
+        tags: category ? [category] : undefined,
+      })
+    ).then((r) => r.data || {})
 
     if (result.status !== 'success') {
       console.log('error creating contract', result)
@@ -217,9 +213,13 @@ export function NewContract(props: { question: string; tag?: string }) {
         <select
           className="select select-bordered w-full max-w-xs"
           onChange={(e) =>
-            setCategory(TO_CATEGORY[e.currentTarget.value] as category)
+            setCategory(
+              e.currentTarget.value || TO_CATEGORY[e.currentTarget.value]
+            )
           }
         >
+          <option selected={category === ''}></option>
+
           {CATEGORY_LIST.map((cat) => (
             <option selected={category === cat} value={CATEGORIES[cat]}>
               {CATEGORIES[cat]}