fix: 恢复腾讯云账单同步并完善成本预测
- 接入腾讯云单日账单、全局限频和指数退避 - 修正月末费用预测并增加账期提示和费用归因 - 补充腾讯云限频及账单归因回归测试
This commit is contained in:
Logan.Li committed
1 parent
88c41f0b2b
commit
dd3770a66c
15 files changed
+610
-17
No files matched your search
@@ -0,0 +1,160 @@
|
||||
package controller
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"math"
|
||||
"net/http"
|
||||
"sort"
|
||||
"time"
|
||||
|
||||
"ezops/model"
|
||||
|
||||
"github.com/gin-gonic/gin"
|
||||
)
|
||||
|
||||
// billingMonthCost 表示月度费用汇总。 // Logan.Li
|
||||
type billingMonthCost struct {
|
||||
Month string `json:"month"`
|
||||
Cost float64 `json:"cost"`
|
||||
}
|
||||
|
||||
// billingAttribution 表示可复核的费用变化归因。 // Logan.Li
|
||||
type billingAttribution struct {
|
||||
Dimension string `json:"dimension"`
|
||||
Name string `json:"name"`
|
||||
BaselineCost float64 `json:"baseline_cost"`
|
||||
CurrentCost float64 `json:"current_cost"`
|
||||
Delta float64 `json:"delta"`
|
||||
Contribution float64 `json:"contribution"`
|
||||
}
|
||||
|
||||
// GetBillingCostAnalysis 返回月度趋势和同期费用归因，AI 只负责解释确定性结果。 // Logan.Li
|
||||
func (h *BillingHandler) GetBillingCostAnalysis(c *gin.Context) {
|
||||
now := time.Now()
|
||||
currentStart := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
|
||||
baselineStart := currentStart.AddDate(0, -1, 0)
|
||||
baselineEndDay := now.Day()
|
||||
baselineLastDay := baselineStart.AddDate(0, 1, -1).Day()
|
||||
if baselineEndDay > baselineLastDay {
|
||||
baselineEndDay = baselineLastDay
|
||||
}
|
||||
baselineEnd := time.Date(baselineStart.Year(), baselineStart.Month(), baselineEndDay, 23, 59, 59, 0, now.Location())
|
||||
analysisStart := currentStart.AddDate(0, -5, 0)
|
||||
currency := c.DefaultQuery("currency", "CNY")
|
||||
|
||||
query := h.db.Model(&model.CloudBilling{}).Where("billing_date >= ? AND currency = ?", analysisStart.Format("2006-01-02"), currency)
|
||||
type monthRow struct {
|
||||
Month string
|
||||
Cost float64
|
||||
}
|
||||
var monthRows []monthRow
|
||||
query.Select("SUBSTR(billing_date, 1, 7) AS month, COALESCE(SUM(cost), 0) AS cost").
|
||||
Group("SUBSTR(billing_date, 1, 7)").Order("month ASC").Scan(&monthRows)
|
||||
months := make([]billingMonthCost, 0, len(monthRows))
|
||||
for _, row := range monthRows {
|
||||
months = append(months, billingMonthCost{Month: row.Month, Cost: roundBilling(row.Cost)})
|
||||
}
|
||||
|
||||
baselineStartDate := baselineStart.Format("2006-01-02")
|
||||
baselineEndDate := baselineEnd.Format("2006-01-02")
|
||||
currentStartDate := currentStart.Format("2006-01-02")
|
||||
currentEndDate := now.Format("2006-01-02")
|
||||
baselineCost := h.sumBillingPeriod(baselineStartDate, baselineEndDate, currency)
|
||||
currentCost := h.sumBillingPeriod(currentStartDate, currentEndDate, currency)
|
||||
totalDelta := currentCost - baselineCost
|
||||
|
||||
attributions := make([]billingAttribution, 0, 24)
|
||||
for _, dimension := range []string{"provider", "account_name", "service", "region"} {
|
||||
attributions = append(attributions, h.billingDimensionAttribution(
|
||||
dimension, baselineStartDate, baselineEndDate, currentStartDate, currentEndDate, currency, totalDelta,
|
||||
)...)
|
||||
}
|
||||
sort.Slice(attributions, func(i, j int) bool {
|
||||
return math.Abs(attributions[i].Delta) > math.Abs(attributions[j].Delta)
|
||||
})
|
||||
if len(attributions) > 20 {
|
||||
attributions = attributions[:20]
|
||||
}
|
||||
|
||||
var dataThrough string
|
||||
h.db.Model(&model.CloudBilling{}).Where("currency = ?", currency).Select("COALESCE(MAX(billing_date), '')").Scan(&dataThrough)
|
||||
c.JSON(http.StatusOK, model.Response{Code: 200, Message: "success", Data: gin.H{
|
||||
"analysis_start": analysisStart.Format("2006-01-02"),
|
||||
"analysis_end": currentEndDate,
|
||||
"data_through": dataThrough,
|
||||
"currency": currency,
|
||||
"incomplete_period": true,
|
||||
"months": months,
|
||||
"baseline_period": fmt.Sprintf("%s - %s", baselineStartDate, baselineEndDate),
|
||||
"comparison_period": fmt.Sprintf("%s - %s", currentStartDate, currentEndDate),
|
||||
"baseline_cost": roundBilling(baselineCost),
|
||||
"comparison_cost": roundBilling(currentCost),
|
||||
"total_delta": roundBilling(totalDelta),
|
||||
"attributions": attributions,
|
||||
"contribution_formula": "(当前期费用 - 基准期费用) / (当前期总费用 - 基准期总费用)",
|
||||
}})
|
||||
}
|
||||
|
||||
// sumBillingPeriod 汇总指定币种和日期范围费用。 // Logan.Li
|
||||
func (h *BillingHandler) sumBillingPeriod(startDate, endDate, currency string) float64 {
|
||||
var total float64
|
||||
h.db.Model(&model.CloudBilling{}).
|
||||
Where("billing_date BETWEEN ? AND ? AND currency = ?", startDate, endDate, currency).
|
||||
Select("COALESCE(SUM(cost), 0)").Scan(&total)
|
||||
return total
|
||||
}
|
||||
|
||||
// billingDimensionAttribution 计算单一维度的同期费用变化贡献。 // Logan.Li
|
||||
func (h *BillingHandler) billingDimensionAttribution(dimension, baselineStart, baselineEnd, currentStart, currentEnd, currency string, totalDelta float64) []billingAttribution {
|
||||
type dimensionRow struct {
|
||||
Name string
|
||||
Cost float64
|
||||
}
|
||||
load := func(startDate, endDate string) []dimensionRow {
|
||||
var rows []dimensionRow
|
||||
h.db.Model(&model.CloudBilling{}).
|
||||
Select(dimension+" AS name, COALESCE(SUM(cost), 0) AS cost").
|
||||
Where("billing_date BETWEEN ? AND ? AND currency = ?", startDate, endDate, currency).
|
||||
Group(dimension).Scan(&rows)
|
||||
return rows
|
||||
}
|
||||
baseline := map[string]float64{}
|
||||
current := map[string]float64{}
|
||||
for _, row := range load(baselineStart, baselineEnd) {
|
||||
baseline[row.Name] = row.Cost
|
||||
}
|
||||
for _, row := range load(currentStart, currentEnd) {
|
||||
current[row.Name] = row.Cost
|
||||
}
|
||||
for name := range baseline {
|
||||
if _, ok := current[name]; !ok {
|
||||
current[name] = 0
|
||||
}
|
||||
}
|
||||
result := make([]billingAttribution, 0, len(current))
|
||||
for rawName, currentCost := range current {
|
||||
name := rawName
|
||||
if rawName == "" {
|
||||
name = "未分类"
|
||||
}
|
||||
baselineCost := baseline[rawName]
|
||||
delta := currentCost - baselineCost
|
||||
if math.Abs(delta) < 0.01 {
|
||||
continue
|
||||
}
|
||||
contribution := 0.0
|
||||
if math.Abs(totalDelta) >= 0.01 {
|
||||
contribution = delta / totalDelta * 100
|
||||
}
|
||||
result = append(result, billingAttribution{
|
||||
Dimension: dimension, Name: name, BaselineCost: roundBilling(baselineCost),
|
||||
CurrentCost: roundBilling(currentCost), Delta: roundBilling(delta), Contribution: roundBilling(contribution),
|
||||
})
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
// roundBilling 统一费用和百分比精度。 // Logan.Li
|
||||
func roundBilling(value float64) float64 {
|
||||
return math.Round(value*100) / 100
|
||||
}
|
||||
Reference in new issue
Block a user