修复全量审查问题;设置接口PATCH化;回传指纹加固

internal/service/overview.go

@@ -3,6 +3,7 @@ package service
 import (
 	"context"
 	"fmt"
+	"sort"
 	"time"
 
 	"oci-portal/internal/model"
@@ -32,14 +33,23 @@ type OverviewCostDay struct {
 	Amount float64 `json:"amount"`
 }
 
-// OverviewCost 是近 7 日成本快照聚合；金额跨配置直接相加，
-// Currency 取快照中出现的第一个币种（混合币种时以此为准展示）。
+// OverviewCost 是近 7 日成本快照聚合;同币种金额跨配置相加,跨币种拆 Series。
 type OverviewCost struct {
 	HasActiveTask  bool              `json:"hasActiveTask"`
 	CoveredConfigs int               `json:"coveredConfigs"`
 	Currency       string            `json:"currency"`
 	Total          float64           `json:"total"`
 	Days           []OverviewCostDay `json:"days"`
+	// Series 按币种拆分的序列(合计降序);顶层 Currency/Total/Days 恒为首个
+	// (主)币种,多币种租户的其余币种只出现在 Series,不与主币种相加。
+	Series []OverviewCostSeries `json:"series"`
+}
+
+// OverviewCostSeries 是单一币种的成本序列;跨币种金额不可直接相加。
+type OverviewCostSeries struct {
+	Currency string            `json:"currency"`
+	Total    float64           `json:"total"`
+	Days     []OverviewCostDay `json:"days"`
 }
 
 // OverviewTasks 是后台任务数量统计。
@@ -150,29 +160,53 @@ func (s *OciConfigService) overviewCost(ctx context.Context, out *Overview) erro
 	return nil
 }
 
-// aggregateCostDays 把逐配置逐日的快照聚合为跨租户的每日序列（snaps 须按 day 升序）。
+// aggregateCostDays 把逐配置逐日的快照按币种聚合(snaps 须按 day 升序)。
+// 不同币种金额不可直接相加:按币种拆序列,顶层 Currency/Total/Days 取合计最大的
+// 主币种,其余币种只出现在 Series 里。
 func aggregateCostDays(cost *OverviewCost, snaps []model.CostSnapshot) {
-	byDay := map[string]float64{}
+	perCur := map[string]map[string]float64{}
+	dayOrder := map[string][]string{}
 	covered := map[uint]bool{}
-	var order []string
 	for _, snap := range snaps {
+		byDay := perCur[snap.Currency]
+		if byDay == nil {
+			byDay = map[string]float64{}
+			perCur[snap.Currency] = byDay
+		}
 		if _, ok := byDay[snap.Day]; !ok {
-			order = append(order, snap.Day)
+			dayOrder[snap.Currency] = append(dayOrder[snap.Currency], snap.Day)
 		}
 		byDay[snap.Day] += snap.Amount
 		covered[snap.OciConfigID] = true
-		if cost.Currency == "" {
-			cost.Currency = snap.Currency
-		}
 	}
 	cost.CoveredConfigs = len(covered)
-	cost.Days = make([]OverviewCostDay, 0, len(order))
-	for _, day := range order {
-		cost.Days = append(cost.Days, OverviewCostDay{Day: day, Amount: byDay[day]})
-		cost.Total += byDay[day]
+	cost.Days = []OverviewCostDay{}
+	cost.Series = costSeries(perCur, dayOrder)
+	if len(cost.Series) > 0 {
+		cost.Currency, cost.Total, cost.Days = cost.Series[0].Currency, cost.Series[0].Total, cost.Series[0].Days
 	}
 }
 
+// costSeries 组装各币种序列并按合计降序(相同合计按币种名,保证稳定输出)。
+func costSeries(perCur map[string]map[string]float64, dayOrder map[string][]string) []OverviewCostSeries {
+	series := make([]OverviewCostSeries, 0, len(perCur))
+	for currency, byDay := range perCur {
+		item := OverviewCostSeries{Currency: currency, Days: make([]OverviewCostDay, 0, len(byDay))}
+		for _, day := range dayOrder[currency] {
+			item.Days = append(item.Days, OverviewCostDay{Day: day, Amount: byDay[day]})
+			item.Total += byDay[day]
+		}
+		series = append(series, item)
+	}
+	sort.Slice(series, func(i, j int) bool {
+		if series[i].Total != series[j].Total {
+			return series[i].Total > series[j].Total
+		}
+		return series[i].Currency < series[j].Currency
+	})
+	return series
+}
+
 func (s *OciConfigService) overviewTasks(ctx context.Context, out *Overview) error {
 	var tasks []model.Task
 	if err := s.db.WithContext(ctx).Find(&tasks).Error; err != nil {