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helpers.ts
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helpers.ts
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import * as coda from "@codahq/packs-sdk";
import { GLOBALREGIONMAP, QUEUES, REGIONMAP } from "./constants";
import { Champion, Summoner, Match, MatchParticipant } from "./types";
export function riotApiUrl(region: string, global: boolean = false): string {
region = region.toUpperCase();
if (REGIONMAP[region] !== undefined) {
return `https://${global ? GLOBALREGIONMAP[region] : REGIONMAP[region]}.api.riotgames.com/lol`; // prettier-ignore
} else {
throw new coda.UserVisibleError(
"Invalid region. Accepted region strings are: BR, EUNE, EUW, JP, KR, LAN, LAS, NA, OCE, TR, RU."
);
}
}
async function getLatestVersion(fetcher: coda.Fetcher): Promise<string> {
let versionResponse: coda.FetchResponse<string[]> = await fetcher.fetch({
method: "GET",
url: "https://ddragon.leagueoflegends.com/api/versions.json",
disableAuthentication: true,
});
return versionResponse.body[0];
}
export async function getAllChampions(fetcher: coda.Fetcher): Promise<Champion[]> {
let latestVersion = await getLatestVersion(fetcher);
let championsResponse = await fetcher.fetch({
method: "GET",
url: `https://ddragon.leagueoflegends.com/cdn/${latestVersion}/data/en_US/champion.json`,
disableAuthentication: true,
});
return Object.entries(championsResponse.body.data).map(([_, info]: [any, any]) => ({
id: info.id,
key: Number(info.key),
name: info.name,
title: info.title,
blurb: info.blurb,
image: `http://ddragon.leagueoflegends.com/cdn/${latestVersion}/img/champion/${info.id}.png`,
tags: info.tags,
partype: info.partype,
}));
}
export async function getSummonerByName(name: string, region: string, fetcher: coda.Fetcher): Promise<Summoner> {
let summonerResponse = await fetcher.fetch({
method: "GET",
url: `${riotApiUrl(region)}/summoner/v4/summoners/by-name/${name}`,
});
let summoner = summonerResponse.body;
return {
accountId: summoner.accountId,
profileIconId: summoner.profileIconId,
profileIconImage:
"https://ddragon.leagueoflegends.com/cdn/" +
`${getLatestVersion(fetcher)}/img/profileicon/` +
`${summoner.profileIconId}.png`,
revisionDate: summoner.revisionDate / 1000,
name: summoner.name,
summonerId: summoner.id,
puuid: summoner.puuid,
level: summoner.summonerLevel,
};
}
export async function getSummonerIdByName(name: string, region: string, fetcher: coda.Fetcher): Promise<string> {
return (await getSummonerByName(name, region, fetcher)).summonerId;
}
export async function getPuuidByName(name: string, region: string, fetcher: coda.Fetcher): Promise<string> {
return (await getSummonerByName(name, region, fetcher)).puuid;
}
export async function getMatchIdsByPuuid(
puuid: string,
region: string,
fetcher: coda.Fetcher,
startTime?: number,
endTime?: number,
start: number = 0,
count: number = 20
): Promise<string[]> {
let queryParams = new URLSearchParams({
start: start.toString(),
count: count.toString(),
});
if (startTime !== undefined) queryParams.append("startTime", startTime.toString());
if (endTime !== undefined) queryParams.append("startTime", endTime.toString());
let matchesResponse: coda.FetchResponse<string[]> = await fetcher.fetch({
method: "GET",
url: `${riotApiUrl(region, true)}/match/v5/matches/by-puuid/${puuid}/ids?` + queryParams.toString(),
});
if (matchesResponse.body === undefined) {
throw new coda.UserVisibleError("Error fetching recent matches");
}
return matchesResponse.body;
}
export async function getMatchIdsByName(
name: string,
region: string,
fetcher: coda.Fetcher,
startTime?: number,
endTime?: number,
start: number = 0,
count: number = 20
): Promise<string[]> {
let puuid: string = await getPuuidByName(name, region, fetcher);
return getMatchIdsByPuuid(puuid, region, fetcher, startTime, endTime, start, count);
}
export async function getMatchByMatchId(
matchId: string,
region: string,
fetcher: coda.Fetcher,
myPuuid: string
): Promise<Match> {
const matchResponse = await fetcher.fetch({
method: "GET",
url: `${riotApiUrl(region, true)}/match/v5/matches/${matchId}`,
});
if (matchResponse.status !== 200) {
throw new coda.UserVisibleError("Failed to retrieve match.");
}
const match = matchResponse.body;
const matchInfo = match.info;
let me: MatchParticipant;
const participants: MatchParticipant[] = [];
for (const resP of matchInfo.participants) {
const participant: MatchParticipant = {
profileIcon: resP.profileIcon,
puuid: resP.puuid,
summonerName: resP.summonerName,
championId: resP.championId,
championName: resP.championName,
champLevel: resP.champLevel,
teamPosition: resP.teamPosition,
lane: resP.lane,
kills: resP.kills,
deaths: resP.deaths,
assists: resP.assists,
kda: (resP.kills + resP.assists) / resP.deaths,
killParticipation: resP.challenges.killParticipation,
largestKillingSpree: resP.largestKillingSpree,
largestMultiKill: resP.largestMultiKill,
item0: resP.item0,
item1: resP.item1,
item2: resP.item2,
item3: resP.item3,
item4: resP.item4,
item5: resP.item5,
item6: resP.item6,
goldEarned: resP.goldEarned,
goldSpent: resP.goldSpent,
totalMinionsKilled: resP.totalMinionsKilled,
totalDamageDealtToChampions: resP.totalDamageDealtToChampions,
totalDamageTaken: resP.totalDamageTaken,
damageDealtToObjectives: resP.damageDealtToObjectives,
totalHeal: resP.totalHeal,
damageSelfMitigated: resP.damageSelfMitigated,
win: resP.win,
display: `${resP.summonerName} (${resP.championName})`,
};
if (participant.puuid === myPuuid) {
me = participant;
}
}
return {
matchId: match.metadata.matchId,
gameStartTimestamp: matchInfo.gameStartTimestamp / 1000,
gameDuration: matchInfo.gameDuration,
gameMode: matchInfo.gameMode,
gameVersion: matchInfo.gameVersion,
queue: QUEUES[matchInfo.queueId],
win: me.win,
me: me,
participants: participants,
};
}