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#!/usr/bin/env node
/* jshint esnext: true */
"use strict";
const Promise = require("bluebird"),
Service = require("./service_skeleton.js");
const logger = global.logger,
ANALYZE_QUEUE = process.env.ANALYZE_QUEUE || "analyze",
ANALYZE_TOURNAMENT_QUEUE = process.env.ANALYZE_TOURNAMENT_QUEUE || "analyze_tournament",
SHOVEL_SIZE = parseInt(process.env.SHOVEL_SIZE) || 1000;
module.exports = class Analyzer extends Service {
constructor() {
super();
this.setTargets({
"regular": ANALYZE_QUEUE,
"tournament": ANALYZE_TOURNAMENT_QUEUE
});
this.setRoutes({
// calculate TrueSkill for everyone
"/api/rank/:category*?": async (req, res) => {
this.analyzeGlobal(req.params.category || "regular");
res.sendStatus(204);
},
// calculate TrueSkill for one player
"/api/player/:name/rank/:category*?": async (req, res) => {
const category = req.params.category || "regular",
db = this.getDatabase(category),
players = await db.Player.findAll({ where: { name: req.params.name } });
if (players == undefined) {
logger.error("player not found in db, won't analyze",
{ name: req.params.name });
res.sendStatus(404);
return;
}
logger.info("player in db, analyzing", { name: req.params.name });
players.forEach((player) => this.analyzePlayer(category, player.api_id));
res.sendStatus(204);
}
});
}
async analyzeGlobal(category) {
const db = this.getDatabase(category);
let offset = 0, matches;
do {
matches = await db.Match.findAll({
attributes: ["api_id"],
where: { trueskill_quality: null },
limit: SHOVEL_SIZE,
offset: offset,
order: [ ["created_at", "ASC"] ]
});
await Promise.each(matches, async (m) =>
await this.forward(this.getTarget(category), m.api_id,
{ persistent: true }));
offset += SHOVEL_SIZE;
logger.info("loading more matches into analyzer",
{ offset: offset, limit: SHOVEL_SIZE, size: matches.length });
} while (matches.length == SHOVEL_SIZE);
logger.info("done loading matches into analyzer");
}
async analyzePlayer(category, api_id) {
const db = this.getDatabase(category),
participations = await db.Participant.findAll({
attributes: ["match_api_id"],
where: {
player_api_id: api_id,
trueskill_mu: null // where not analyzed yet
},
order: [ ["created_at", "ASC"] ]
});
logger.info("sending matches to analyzer",
{ length: participations.length });
await Promise.each(participations, async (p) =>
await this.forward(this.getTarget(category),
p.match_api_id, { persistent: true }));
}
}
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