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@sormys/choosing winner (#52)
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- implemented function to determine winner
- tests will be added later on

---------

Co-authored-by: Mikołaj Piróg <[email protected]>
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sormys and mikolaj-pirog authored May 21, 2023
1 parent 8afc38d commit 25b6572
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Showing 5 changed files with 100 additions and 3 deletions.
4 changes: 3 additions & 1 deletion package.json
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Expand Up @@ -8,6 +8,7 @@
"scripts": {
"start": "tsc && node dist/index.js",
"build": "tsc",
"test": "jest src/tests --coverage --config --runInBand package.json ",
"test": "jest src/tests/ --coverage --config package.json --runInBand",
"lint": "eslint --ext '.js,.ts,.tsx' src/",
"pretty": "yarn prettier --write .",
Expand Down Expand Up @@ -41,7 +42,8 @@
"firebase-admin": "^11.5.0",
"jest": "^29.5.0",
"joi": "^17.9.1",
"pg": "^8.10.0"
"pg": "^8.10.0",
"pokersolver": "^2.1.4"
},
"jest": {
"collectCoverage": true,
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2 changes: 1 addition & 1 deletion src/tests/fold.test.ts
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@@ -1,7 +1,7 @@
import { app } from '../app'
import request from 'supertest'
import { getClient } from '../utils/databaseConnection'
import type { NewGameInfo } from '../utils/types'
import { type NewGameInfo } from '../utils/types'
import { getPlayersInGame } from '../utils/commonRequest'

test('Fold, wrong args', (done) => {
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54 changes: 53 additions & 1 deletion src/utils/commonRequest.ts
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@@ -1,5 +1,11 @@
import { type Client } from 'pg'
import { type FirebasePlayerInfo, PlayerState } from './types'
import {
type FirebasePlayerInfo,
PlayerState,
type FirebasePlayerInfoWIthCards,
} from './types'
import { Hand } from 'pokersolver'
import { convertCardName } from './randomise'

export const STARTING_FUNDS_DEFAULT = 1000
export const SMALL_BLIND_DEFAULT = 100
Expand Down Expand Up @@ -196,6 +202,52 @@ export async function getSmallBlindValue(
return (await client.query(query, [gameId])).rows[0].small_blind
}


export async function getRemainingPlayersCards(
gameId: string,
client: Client
): Promise<FirebasePlayerInfoWIthCards[]> {
const query =
'SELECT token, nickname, card1, card2 FROM Players WHERE game_id=$1 and last_action <> $2'
const values = [gameId, PlayerState.Folded]
return (await client.query(query, values)).rows
}

export async function getGameCards(gameId: string, client: Client) {
const query =
'SELECT card1, card2, card3, card4, card5 FROM games WHERE game_id=$1'
const queryResult = await client.query(query, [gameId])
const cards: string[] = []
Object.entries(queryResult.rows[0]).forEach(([key, value]) => {
cards.push(convertCardName(value as string))
})
return cards
}

export async function calculateWinner(gameId: string, client: Client) {
const playersWithCards = await getRemainingPlayersCards(gameId, client)
const gameCards = await getGameCards(gameId, client)
const playersHands: any[] = []

playersWithCards.forEach((player) => {
playersHands.push(
Hand.solve([
convertCardName(player.card1),
convertCardName(player.card2),
...gameCards,
])
)
})

const solution: any[] = Hand.winners(playersHands)
const winners: any[] = []
for (let i = 0; i < playersHands.length; i++) {
if (solution.includes(playersHands[i])) {
winners.push(playersWithCards[i].token)
}
}
return winners

export async function playerHasEnoughMoney(
gameId: string,
playerToken: string,
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38 changes: 38 additions & 0 deletions src/utils/randomise.ts
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Expand Up @@ -67,3 +67,41 @@ export const fullCardDeck = [
'12T',
'13T',
]

export function convertCardName(cardName: string): string {
let newName = ''
if (cardName[0] === '1') {
switch (cardName[1]) {
case '0':
newName += 'T'
break
case '1':
newName += 'J'
break
case '2':
newName += 'Q'
break
case '3':
newName += 'K'
}
} else if (cardName[1] === '1') {
// Ace
newName += 'A'
} else {
newName += cardName[1]
}
switch (cardName[2]) {
case 'K':
newName += 'h'
break
case 'O':
newName += 'd'
break
case 'T':
newName += 'c'
break
case 'P':
newName += 's'
}
return newName
}
5 changes: 5 additions & 0 deletions yarn.lock
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Expand Up @@ -4896,6 +4896,11 @@ pm2@^5.3.0:
optionalDependencies:
pm2-sysmonit "^1.2.8"

pokersolver@^2.1.4:
version "2.1.4"
resolved "https://registry.yarnpkg.com/pokersolver/-/pokersolver-2.1.4.tgz#58934f3dad1dc597c44e80474bc82e9626790ccc"
integrity sha512-vmgZS+K8H8r1RePQykFM5YyvlKo1v3xVec8FMBjg9N6mR2Tj/n/X415w+lG67FWbrk71D/CADmKFinDgaQlAsw==

postgres-array@~2.0.0:
version "2.0.0"
resolved "https://registry.yarnpkg.com/postgres-array/-/postgres-array-2.0.0.tgz#48f8fce054fbc69671999329b8834b772652d82e"
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