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Change instance sort order - revised weight of member counts (#223)

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* Changed 'popular' instance sorting to be more evenly distributed, and improve the weighting for user numbers

* Ran prettier on prevoiusly comitted code

* Ran prettier on prevoiusly comitted code

* Modified averageFunc to be a class function instead of const var. Ensured prettier and yarn lint were successfully ran.

* Updated variable names and reverted min_monthly_user const

* Prettier ran, modified generate_translations.mjs only for formatting corrections

* Based on https://github.com/LemmyNet/joinlemmy-site/pull/214#issuecomment-1635522167, revised randomSortOrder to more heavy bias towards popular instances

* Retrigger checks pipeline

* Ran prettier and adding all modified files that prettier touched
This commit is contained in:
Security-Chief-Odo 2023-07-17 06:28:35 -05:00 committed by GitHub
parent 0db6460782
commit 278eff9db8
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1 changed files with 9 additions and 11 deletions
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20
src/shared/components/instances.tsx
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@ -9,11 +9,12 @@ export class Instances extends Component<any, any> {
super(props, context);
}
biasedRandom(min, max, bias, i) {
// Lets introduce a better bias to random suffle instances list
var rnd = Math.random() * (max - min) + min;
var mix = Math.random() * i;
return rnd * (1 - mix) + bias * mix;
biasedRandom(active_users, avg, max) {
// Lets introduce a better bias to random shuffle instances list
var influence = 1.25;
var rnd = Math.random() * (max / influence) + active_users;
var mix = Math.random() * influence;
return rnd * (1 - mix) + avg * mix;
}
averageFunc(values: any) {
@ -43,9 +44,8 @@ export class Instances extends Component<any, any> {
}
// Use these values for the shuffle
const maxMonthlyUsers = Math.max(...values);
const minMonthlyUsers = Math.min(...values);
const avgMonthlyUsers = this.averageFunc(values);
const maxMonthlyUsers = Math.max(...values);
let recommended2 = recommended
.map(value => ({ value, sort: Math.random() }))
@ -53,15 +53,13 @@ export class Instances extends Component<any, any> {
.map(({ value }) => value);
// BIASED sorting for instances, based on the min/max of users_active_month
// weighted to 2/3 of all counts, but more even distribution
let remaining2 = remaining
.map(i => ({
instance: i,
sort: this.biasedRandom(
minMonthlyUsers,
maxMonthlyUsers,
i.site_info.site_view.counts.users_active_month,
avgMonthlyUsers,
0.75,
maxMonthlyUsers,
),
}))
.sort((a, b) => b.sort - a.sort)