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class LiveQuotaStore {
private static instance: LiveQuotaStore
private readonly livesPerUser = new Map<number, { sessionId: string, size: number }[]>()
private constructor () {
}
addNewLive (userId: number, sessionId: string) {
if (!this.livesPerUser.has(userId)) {
this.livesPerUser.set(userId, [])
}
const currentUserLive = { sessionId, size: 0 }
const livesOfUser = this.livesPerUser.get(userId)
livesOfUser.push(currentUserLive)
}
removeLive (userId: number, sessionId: string) {
const newLivesPerUser = this.livesPerUser.get(userId)
.filter(o => o.sessionId !== sessionId)
this.livesPerUser.set(userId, newLivesPerUser)
}
addQuotaTo (userId: number, sessionId: string, size: number) {
const lives = this.livesPerUser.get(userId)
const live = lives.find(l => l.sessionId === sessionId)
live.size += size
}
getLiveQuotaOf (userId: number) {
const currentLives = this.livesPerUser.get(userId)
if (!currentLives) return 0
return currentLives.reduce((sum, obj) => sum + obj.size, 0)
}
static get Instance () {
return this.instance || (this.instance = new this())
}
}
export {
LiveQuotaStore
}
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