sendou.ink/scripts/season-initial-powers.ts

140 lines
3.4 KiB
TypeScript

/* eslint-disable no-console */
import "dotenv/config";
import { ordinal } from "openskill";
import invariant from "tiny-invariant";
import { sql } from "~/db/sql";
import type { Skill } from "~/db/types";
import type { TierName } from "~/features/mmr/mmr-constants";
import { freshUserSkills } from "~/features/mmr/tiered.server";
import { addInitialSkill } from "~/features/sendouq/queries/addInitialSkill.server";
const rawNth = process.argv[2]?.trim();
invariant(rawNth, "nth of new season needed (argument 1)");
const nth = Number(rawNth);
invariant(!Number.isNaN(nth), "nth of new season must be a number");
const skillsExistStm = sql.prepare(/* sql */ `
select
1
from "Skill"
where
"season" = @season
limit 1
`);
invariant(
skillsExistStm.get({ season: nth - 1 }),
`No skills for season ${nth - 1}`,
);
invariant(
!skillsExistStm.get({ season: nth }),
`Skills for season ${nth} already exist`,
);
const activeMatchExistsStm = sql.prepare(/* sql */ `
select
"GroupMatch"."id"
from "GroupMatch"
left join "Skill" on "Skill"."groupMatchId" = "GroupMatch"."id"
where
"Skill"."id" is null
`);
const idsOfActiveMatches = activeMatchExistsStm
.all()
.map((row) => (row as any).id) as number[];
invariant(
!activeMatchExistsStm.get(),
`There are active matches: (ids: ${idsOfActiveMatches.join(", ")})`,
);
// from prod database:
// sqlite> select avg(sigma) from skill where matchesCount > 10 and matchesCount < 20;
// 6.63571559436444
// sqlite> select avg(sigma) from skill where matchesCount > 15 and matchesCount < 25;
// 6.4242759350389
const DEFAULT_NEW_SIGMA = 6.5;
const TIER_TO_NEW_TIER: Record<TierName, TierName> = {
IRON: "BRONZE",
BRONZE: "BRONZE",
SILVER: "SILVER",
GOLD: "GOLD",
PLATINUM: "PLATINUM",
DIAMOND: "DIAMOND",
LEVIATHAN: "DIAMOND",
};
const allSkills = Object.entries(freshUserSkills(nth - 1).userSkills)
.map(([userId, skill]) => ({ userId: Number(userId), ...skill }))
.filter((s) => !s.approximate)
.sort((a, b) => b.ordinal - a.ordinal);
const skillsToConsider = allSkills.filter((s) =>
Object.values(TIER_TO_NEW_TIER).includes(s.tier.name),
);
const groupedSkills = skillsToConsider.reduce(
(acc, skill) => {
const { tier } = skill;
if (!acc[tier.name]) {
acc[tier.name] = [];
}
acc[tier.name].push(skill);
return acc;
},
{} as Record<TierName, typeof skillsToConsider>,
);
const skillStm = sql.prepare(/* sql */ `
select
*
from "Skill"
where
"userId" = @userId
and "ordinal" = @ordinal
`);
const midPoints = Object.entries(groupedSkills).reduce(
(acc, [tier, skills]) => {
const midPoint = skills[Math.floor(skills.length / 2)];
const midPointSkill = skillStm.get(midPoint) as Skill;
invariant(midPointSkill, "midPointSkill not found");
acc[tier as TierName] = midPointSkill;
return acc;
},
{} as Record<TierName, Skill>,
);
const newSkills = allSkills.map((s) => {
const newTier = TIER_TO_NEW_TIER[s.tier.name];
const mu = midPoints[newTier].mu;
const sigma = DEFAULT_NEW_SIGMA;
return {
userId: s.userId,
sigma,
mu,
ordinal: ordinal({ sigma, mu }),
season: nth,
};
});
const allGroupsInactiveStm = sql.prepare(/* sql */ `
update
"Group"
set
"status" = 'INACTIVE'
`);
sql.transaction(() => {
for (const skill of newSkills) {
addInitialSkill(skill);
}
allGroupsInactiveStm.run();
})();
console.log(
`Done adding new skills for season ${nth} (${newSkills.length} added)`,
);