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fix(distribution): 分成改为分主站提价利润，分站自主提价溢价全额归卖方

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- 文档：升级至 v0.7，固化号主保底、主站提价利润分账（35/40/25）与分站加价溢价独享逻辑
- 定价：修正货架兑换比例调价方向为调减比例提价（site_ratio = base_ratio - delta）
- 分账：分成基数剔除号主成本与分站加价，提价利润按规则切分，分站自主加价溢价 100% 归卖出方
- 前端：更新分销后台提价说明文案，提示调减比例提高售价且溢价归本站
This commit is contained in:
yml2213
2026-09-08 19:45:05 +08:00
parent d762b33f54
commit 4aab9e7e33
11 changed files with 176 additions and 132 deletions
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backend/internal/modules/distribution/pricing_test.go
+17 -9
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@@ -75,7 +75,7 @@ func TestCalculateSettlementRejectsRefundOverPayment(t *testing.T) {
func TestSplitSettlementTwoPartyDistributorReceive(t *testing.T) {
rule := Rule{Mode: ModeTwoPartyDistributorReceive, DistributorReceiveRatio: 35, PlatformSellRatio: 40}
splits := SplitSettlement(rule, 3950)
splits := SplitSettlement(rule, 3950, 0)
if len(splits) != 2 {
t.Fatalf("splits = %#v", splits)
}
@@ -85,26 +85,34 @@ func TestSplitSettlementTwoPartyDistributorReceive(t *testing.T) {
if splits[1].PartyRole != "platform_sell" || splits[1].AmountCent != 1580 {
t.Fatalf("platform split = %#v", splits[1])
}
if got := SplitRoundingCent(3950, 988, splits); got != -1 {
if got := SplitRoundingCent(3950, 988, 0, splits); got != -1 {
t.Fatalf("rounding = %d, want -1", got)
}
}
func TestSplitSettlementDoesNotAddYuanMarkup(t *testing.T) {
func TestSplitSettlementAddsShelfMarkupDirectlyToSeller(t *testing.T) {
rule := Rule{Mode: ModeTwoPartyPlatformReceive, DistributorSellRatio: 40, PlatformReceiveRatio: 35}
splits := SplitSettlement(rule, 10000)
if splits[0].PartyRole != "distributor_sell" || splits[0].AmountCent != 4000 {
t.Fatalf("distributor sell = %#v", splits[0])
// 提价利润 10000 分，分站自主加价 2000 分
splits := SplitSettlement(rule, 10000, 2000)
// 卖方分站获得 40% (4000) + 2000 (加价) = 6000
if splits[0].PartyRole != "distributor_sell" || splits[0].AmountCent != 6000 {
t.Fatalf("distributor sell = %#v, want 6000", splits[0])
}
// 收号方获得 35% = 3500
if splits[1].AmountCent != 3500 {
t.Fatalf("platform receive = %#v", splits[1])
t.Fatalf("platform receive = %#v, want 3500", splits[1])
}
// 尾差校验：平台服务费 2500，提价利润 10000 - (3500 + 4000) - 2500 = 0
if got := SplitRoundingCent(10000, 2500, 2000, splits); got != 0 {
t.Fatalf("rounding = %d, want 0", got)
}
}
func TestSplitSettlementThreeParty(t *testing.T) {
rule := Rule{Mode: ModeThreeParty, DistributorARatio: 35, DistributorBRatio: 40}
splits := SplitSettlement(rule, 10000)
if len(splits) != 2 || splits[0].AmountCent != 3500 || splits[1].AmountCent != 4000 {
// 提价利润 10000，分站B自主加价 1500
splits := SplitSettlement(rule, 10000, 1500)
if len(splits) != 2 || splits[0].AmountCent != 3500 || splits[1].AmountCent != 5500 {
t.Fatalf("splits = %#v", splits)
}
}