47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
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import { ACTOR_FOLLOW_SCORE } from '../../initializers'
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import { logger } from '../../helpers/logger'
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// Cache follows scores, instead of writing them too often in database
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// Keep data in memory, we don't really need Redis here as we don't really care to loose some scores
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class ActorFollowScoreCache {
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private static instance: ActorFollowScoreCache
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private pendingFollowsScore: { [ url: string ]: number } = {}
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private constructor () {}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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updateActorFollowsScore (goodInboxes: string[], badInboxes: string[]) {
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if (goodInboxes.length === 0 && badInboxes.length === 0) return
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logger.info('Updating %d good actor follows and %d bad actor follows scores in cache.', goodInboxes.length, badInboxes.length)
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for (const goodInbox of goodInboxes) {
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if (this.pendingFollowsScore[goodInbox] === undefined) this.pendingFollowsScore[goodInbox] = 0
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this.pendingFollowsScore[goodInbox] += ACTOR_FOLLOW_SCORE.BONUS
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}
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for (const badInbox of badInboxes) {
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if (this.pendingFollowsScore[badInbox] === undefined) this.pendingFollowsScore[badInbox] = 0
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this.pendingFollowsScore[badInbox] += ACTOR_FOLLOW_SCORE.PENALTY
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}
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}
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getPendingFollowsScoreCopy () {
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return this.pendingFollowsScore
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}
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clearPendingFollowsScore () {
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this.pendingFollowsScore = {}
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}
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}
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export {
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ActorFollowScoreCache
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}
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