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Fix daily leaderboard score (#3031)

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* Fix daily leaderboard score

* Remove comment
This commit is contained in:
Bruce Berrios 2022-05-27 08:25:46 -04:00 committed by GitHub
parent cd767bff1c
commit efbfffaa75
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 55 deletions
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37
backend/__tests__/utils/misc.spec.ts
View file

@ -38,60 +38,31 @@ describe("Misc Utils", () => {
});
});
it("tensComplement", () => {
const testCases = [
{
input: 123,
expected: 877,
},
{
input: 877,
expected: 123,
},
{
input: 0,
expected: 0,
},
{
input: 86423,
expected: 13577,
},
{
input: 10998739999,
expected: 89001260001,
},
];
_.each(testCases, ({ input, expected }) => {
expect(misc.tensComplement(input)).toBe(expected);
});
});
it("kogascore", () => {
const testCases = [
{
wpm: 214.8,
acc: 93.04,
timestamp: 1653586489000,
expectedScore: 1214800930436711,
expectedScore: 1214800930423111,
},
{
wpm: 214.8,
acc: 93.04,
timestamp: 1653601763000,
expectedScore: 1214800930421437,
expectedScore: 1214800930407837,
},
{
wpm: 199.37,
acc: 97.69,
timestamp: 1653588809000,
expectedScore: 1199370976934391,
expectedScore: 1199370976920791,
},
{
wpm: 196.2,
acc: 96.07,
timestamp: 1653591901000,
expectedScore: 1196200960731299,
expectedScore: 1196200960717699,
},
];

32
backend/src/utils/misc.ts
View file

@ -91,33 +91,21 @@ export function matchesAPattern(text: string, pattern: string): boolean {
return regex.test(text);
}
export function tensComplement(num: number): number {
if (num === 0) {
return 0;
}
let i = 0;
let temp = num;
while (temp !== 0) {
++i;
temp = Math.floor(temp / 10);
}
return Math.pow(10, i) - num;
}
export const MILLISECONDS_IN_DAY = 86400000;
export function kogascore(wpm: number, acc: number, timestamp: number): number {
const normalizedWpm = Math.floor(wpm * 100);
const normalizedAcc = Math.floor(acc * 100);
const firstPart = (100000 + normalizedWpm) * 100000;
const secondPart = (firstPart + normalizedAcc) * 100000;
const padAmount = 100000;
const firstPart = (padAmount + normalizedWpm) * padAmount;
const secondPart = (firstPart + normalizedAcc) * padAmount;
const currentDayTimeMilliseconds = timestamp - (timestamp % 86400000);
const todaySeconds = Math.floor(
(timestamp - currentDayTimeMilliseconds) / 1000
const currentDayTimeMilliseconds =
timestamp - (timestamp % MILLISECONDS_IN_DAY);
const todayMilliseconds = timestamp - currentDayTimeMilliseconds;
return (
secondPart + Math.floor((MILLISECONDS_IN_DAY - todayMilliseconds) / 1000)
);
return secondPart + tensComplement(todaySeconds);
}