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feat(home): 응원 크리에이터 점수 정책을 변경한다

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Klaus
2026-07-10 06:05:27 +09:00
parent 3aa61c94b8
commit c9e35f2ed4
3 changed files with 41 additions and 9 deletions
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10
src/main/kotlin/kr/co/vividnext/sodalive/v2/recommendation/domain/RecommendationScorePolicy.kt
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@@ -18,6 +18,16 @@ class RecommendationScorePolicy {
}
}
fun calculateCheerCreatorNewBoost(debutAt: LocalDateTime, now: LocalDateTime): Double {
val days = ChronoUnit.DAYS.between(debutAt.toLocalDate(), now.toLocalDate())
return when {
days <= RecommendationScoreSpec.NEW_BOOST_10_DAY_LIMIT -> RecommendationScoreSpec.CHEER_NEW_BOOST_10_DAYS
days <= RecommendationScoreSpec.NEW_BOOST_20_DAY_LIMIT -> RecommendationScoreSpec.CHEER_NEW_BOOST_20_DAYS
days <= RecommendationScoreSpec.NEW_BOOST_30_DAY_LIMIT -> RecommendationScoreSpec.CHEER_NEW_BOOST_30_DAYS
else -> RecommendationScoreSpec.DEFAULT_NEW_BOOST
}
}
fun calculateDebutCreatorScore(
followIncrease: Long,
contentActivityScore: Long,

5
src/main/kotlin/kr/co/vividnext/sodalive/v2/recommendation/domain/RecommendationScoreSpec.kt
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@@ -13,7 +13,7 @@ object RecommendationScoreSpec {
const val AI_ACTIVE_USER_WEIGHT = 0.35
const val AI_FOLLOW_INCREASE_WEIGHT = 0.20
const val CHEER_DONATION_AMOUNT_WEIGHT = 0.6
const val CHEER_DONATION_AMOUNT_WEIGHT = 0.45
const val CHEER_FAN_TALK_WEIGHT = 0.3
const val CHEER_DONATION_COUNT_WEIGHT = 0.1
@@ -27,5 +27,8 @@ object RecommendationScoreSpec {
const val AI_NEW_BOOST_10_DAYS = 1.15
const val AI_NEW_BOOST_20_DAYS = 1.10
const val AI_NEW_BOOST_30_DAYS = 1.05
const val CHEER_NEW_BOOST_10_DAYS = 1.15
const val CHEER_NEW_BOOST_20_DAYS = 1.10
const val CHEER_NEW_BOOST_30_DAYS = 1.05
const val DEFAULT_NEW_BOOST = 1.0
}

35
src/test/kotlin/kr/co/vividnext/sodalive/v2/recommendation/domain/RecommendationScorePolicyTest.kt
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@@ -78,18 +78,37 @@ class RecommendationScorePolicyTest {
@Test
@DisplayName("최근 응원 추천 점수는 후원 금액, 팬 Talk 수, 후원 수에 가중치를 적용한다")
fun shouldCalculateCheerScore() {
assertEquals(0.6, RecommendationScoreSpec.CHEER_DONATION_AMOUNT_WEIGHT, 0.0001)
assertEquals(0.45, RecommendationScoreSpec.CHEER_DONATION_AMOUNT_WEIGHT, 0.0001)
assertEquals(0.3, RecommendationScoreSpec.CHEER_FAN_TALK_WEIGHT, 0.0001)
assertEquals(0.1, RecommendationScoreSpec.CHEER_DONATION_COUNT_WEIGHT, 0.0001)
val score = policy.calculateCheerScore(
donationAmount = 1000,
fanTalkCount = 20,
donationCount = 10,
newBoost = 1.2
)
assertEquals(0.0, policy.calculateCheerScore(0, 0, 0, 1.0), 0.0001)
assertEquals(45.0, policy.calculateCheerScore(100, 0, 0, 1.0), 0.0001)
assertEquals(3.0, policy.calculateCheerScore(0, 10, 0, 1.0), 0.0001)
assertEquals(1.0, policy.calculateCheerScore(0, 0, 10, 1.0), 0.0001)
assertEquals(49.0, policy.calculateCheerScore(100, 10, 10, 1.0), 0.0001)
assertEquals(56.35, policy.calculateCheerScore(100, 10, 10, 1.15), 0.0001)
}
assertEquals(728.4, score, 0.0001)
@Test
@DisplayName("최근 응원 크리에이터 신규 부스트는 데뷔일 기준 10일/20일/30일 구간을 적용한다")
fun shouldApplyCheerCreatorNewBoostByDebutDays() {
val now = LocalDateTime.of(2026, 5, 30, 12, 0)
assertEquals(1.15, RecommendationScoreSpec.CHEER_NEW_BOOST_10_DAYS, 0.0001)
assertEquals(1.10, RecommendationScoreSpec.CHEER_NEW_BOOST_20_DAYS, 0.0001)
assertEquals(1.05, RecommendationScoreSpec.CHEER_NEW_BOOST_30_DAYS, 0.0001)
assertEquals(1.15, policy.calculateCheerCreatorNewBoost(now, now), 0.0001)
assertEquals(1.15, policy.calculateCheerCreatorNewBoost(now.minusDays(10), now), 0.0001)
assertEquals(1.10, policy.calculateCheerCreatorNewBoost(now.minusDays(11), now), 0.0001)
assertEquals(1.10, policy.calculateCheerCreatorNewBoost(now.minusDays(20), now), 0.0001)
assertEquals(1.05, policy.calculateCheerCreatorNewBoost(now.minusDays(21), now), 0.0001)
assertEquals(1.05, policy.calculateCheerCreatorNewBoost(now.minusDays(30), now), 0.0001)
assertEquals(1.0, policy.calculateCheerCreatorNewBoost(now.minusDays(31), now), 0.0001)
assertEquals(1.5, policy.calculateCreatorNewBoost(now.minusDays(10), now), 0.0001)
assertEquals(1.3, policy.calculateCreatorNewBoost(now.minusDays(20), now), 0.0001)
assertEquals(1.2, policy.calculateCreatorNewBoost(now.minusDays(30), now), 0.0001)
}
@Test