server/frontend/fic/src/lib/stores/teams.js

79 lines
1.5 KiB
JavaScript

import { derived, writable } from 'svelte/store';
import { stop_refresh } from './common';
let refresh_interval_teams = null;
function createTeamsStore() {
const { subscribe, set, update } = writable({});
function updateFunc(res_teams, cb=null) {
if (res_teams.status === 200) {
res_teams.json().then((teams) => {
update((t) => teams);
if (cb) {
cb(teams);
}
});
}
}
async function refreshFunc(cb=null, interval=null) {
if (refresh_interval_teams)
clearInterval(refresh_interval_teams);
if (interval === null) {
interval = Math.floor(Math.random() * 24000) + 32000;
}
if (stop_refresh.state) {
return;
}
refresh_interval_teams = setInterval(refreshFunc, interval);
updateFunc(await fetch('teams.json', {headers: {'Accept': 'application/json'}}), cb);
}
return {
subscribe,
refresh: refreshFunc,
update: updateFunc,
};
}
export const teamsStore = createTeamsStore();
export const teams = derived(
teamsStore,
($teamsStore) => {
const teams = {};
for (const tid in $teamsStore) {
teams[tid] = $teamsStore[tid];
teams[tid].id = Number(tid);
}
return teams;
}
);
export const teams_count = derived(
teamsStore,
($teamsStore) => Object.keys(teams).length
);
export const rank = derived(
teams,
($teams) => {
const rank = [];
for (const tid in $teams) {
rank.push($teams[tid]);
}
rank.sort((a, b) => (a.rank > b.rank ? 1 : (a.rank == b.rank ? 0 : -1)));
return rank;
}
);