NCBACK-36: [Referral] Referral Service

2026-02-05 15:43:42 +07:00
parent 6643070999
commit 27b812b0da
13 changed files with 196 additions and 0 deletions
@@ -0,0 +1,67 @@
+package ru.soune
+
+class ReferralService(
+    private val referralLevelProvider: ReferralLevelProvider,
+    private val referralRepo: ReferralRepo,
+) {
+
+    fun onRegister(userId: String, inviterReferralLink: String?) {
+        val initialReferralLevel = referralLevelProvider.getInitialReferralLevelId()
+        val referralLink = referralRepo.getUserReferralLink(userId)
+        val inviter = inviterReferralLink?.let(referralRepo::getUserIdByLink)
+
+        val referral = object : Referral {
+            override val userId = userId
+            override val referralLink = referralLink
+            override val inviter = inviter
+            override val currentLevel = initialReferralLevel
+            override val totalIncome = 0
+            override val availableIncome = 0
+            override val holdBalance: Int = 0
+            override val active: Boolean = false
+        }
+
+        referralRepo.createReferralEntity(referral)
+    }
+
+    fun onUserAccountRefill(userId: String, transferAmount: Int) {
+        val wasActivated = referralRepo.activateUser(userId)
+        val inviterId = referralRepo.getInviterIdForUser(userId) ?: return
+        val currentInviterLevel = referralRepo.getReferralLevelForUser(inviterId)
+            .let { referralLevelProvider.getReferralLevelById(it) }
+        val reward = transferAmount * currentInviterLevel.share / 100
+
+        referralRepo.increaseIncome(inviterId, reward)
+
+        if (!wasActivated) return
+
+        val currentCount = referralRepo.getActiveInviteeForUser(inviterId)
+        val nextLevel = currentInviterLevel.next
+
+        if (currentCount + 1 > currentInviterLevel.maxInvitee && nextLevel != null) {
+            referralRepo.upgradeReferralLevelForUser(inviterId, nextLevel)
+        }
+    }
+
+    fun getReferralLevels(): List<ReferralLevel> =
+        referralLevelProvider.getAvailableReferralLevels()
+
+
+    fun getReferralLevelForUser(userId: String): ReferralLevel =
+        referralRepo.getReferralLevelForUser(userId)
+            .let { referralLevelProvider.getReferralLevelById(it) }
+
+    fun getReferralStatForUser(userId: String): ReferralStat {
+        var referral = referralRepo.getReferralByUserId(userId)
+        return ReferralStat(
+            totalInvitee = referralRepo.getTotalInviteeForUser(userId),
+            activeInvitee = referralRepo.getActiveInviteeForUser(userId),
+            totalIncome = referral.totalIncome,
+            availableIncome = referral.availableIncome,
+            holdBalance = referral.holdBalance,
+        )
+    }
+
+    fun getInviteeForUser(userId: String, pageSize: Int, pageNumber: Int): List<ReferralInvitee> =
+        referralRepo.getReferralInvitees(userId, pageSize, pageNumber)
+}