137 lines
4.2 KiB
Go
137 lines
4.2 KiB
Go
package cloud
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import (
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"encoding/json"
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"fmt"
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"math"
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"sort"
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"strconv"
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"strings"
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)
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// FetchDailyBill 拉取指定日期的腾讯云日账单，并按产品和地域汇总。 // Logan.Li
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func (p *TencentProvider) FetchDailyBill(billingDate string) ([]CloudBillingRecord, error) {
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if len(billingDate) != 10 {
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return nil, fmt.Errorf("账单日期格式应为 YYYY-MM-DD")
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}
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type aggregationKey struct {
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service string
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region string
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}
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aggregation := map[aggregationKey]float64{}
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const pageSize = 100
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for offset := 0; ; offset += pageSize {
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// 腾讯云账单明细仅按账期查询，不支持按日参数。 // Logan.Li
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body, err := p.callService("billing", "billing.tencentcloudapi.com", "2018-07-09", "DescribeBillDetail", "", map[string]interface{}{
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"Month": billingDate[:7],
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"Offset": offset,
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"Limit": pageSize,
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"NeedRecordNum": 1,
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})
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if err != nil {
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return nil, err
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}
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var response tencentBillDetailResponse
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if err := json.Unmarshal(body, &response); err != nil {
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return nil, fmt.Errorf("解析腾讯云账单响应失败: %w", err)
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}
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for _, detail := range response.Response.DetailSet {
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cost := tencentBillAmount(detail.RealTotalCost)
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if cost == 0 {
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cost = tencentBillAmount(detail.RealCost)
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}
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if cost == 0 {
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cost = tencentBillAmount(detail.CashPayAmount)
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}
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if cost == 0 {
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// 腾讯云明细账单将组件费用放在 ComponentSet，逐项汇总实际费用。 // Logan.Li
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for _, component := range detail.ComponentSet {
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componentCost := tencentBillAmount(component.RealCost)
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if componentCost == 0 {
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componentCost = tencentBillAmount(component.CashPayAmount)
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}
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cost += componentCost
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}
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}
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if cost <= 0 {
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continue
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}
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service := firstNonEmpty(detail.ProductCodeName, detail.BusinessCodeName, detail.ProductCode, "其他")
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region := firstNonEmpty(detail.RegionName, "全局")
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aggregation[aggregationKey{service: service, region: region}] += cost
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}
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if len(response.Response.DetailSet) < pageSize || (response.Response.Total > 0 && offset+pageSize >= response.Response.Total) {
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break
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}
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}
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keys := make([]aggregationKey, 0, len(aggregation))
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for key := range aggregation {
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keys = append(keys, key)
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}
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sort.Slice(keys, func(i, j int) bool {
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if keys[i].service == keys[j].service {
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return keys[i].region < keys[j].region
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}
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return keys[i].service < keys[j].service
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})
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records := make([]CloudBillingRecord, 0, len(keys))
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for _, key := range keys {
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records = append(records, CloudBillingRecord{
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BillingDate: billingDate,
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Provider: "tencent",
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Cost: math.Round(aggregation[key]*100) / 100,
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Currency: "CNY",
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Service: key.service,
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Region: key.region,
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Description: "云 API 自动同步（腾讯云 DescribeBillDetail）",
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})
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}
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return records, nil
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}
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// tencentBillDetailResponse 描述腾讯云费用中心明细账单响应。 // Logan.Li
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type tencentBillDetailResponse struct {
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Response struct {
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Total int `json:"Total"`
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DetailSet []struct {
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ProductCode string `json:"ProductCode"`
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ProductCodeName string `json:"ProductCodeName"`
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BusinessCodeName string `json:"BusinessCodeName"`
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RegionName string `json:"RegionName"`
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RealTotalCost json.RawMessage `json:"RealTotalCost"`
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RealCost json.RawMessage `json:"RealCost"`
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CashPayAmount json.RawMessage `json:"CashPayAmount"`
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ComponentSet []struct {
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RealCost json.RawMessage `json:"RealCost"`
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CashPayAmount json.RawMessage `json:"CashPayAmount"`
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} `json:"ComponentSet"`
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} `json:"DetailSet"`
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} `json:"Response"`
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}
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// tencentBillAmount 兼容腾讯云账单金额字段为字符串或数字的响应。 // Logan.Li
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func tencentBillAmount(raw json.RawMessage) float64 {
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value := strings.Trim(strings.TrimSpace(string(raw)), "\"")
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amount, err := strconv.ParseFloat(value, 64)
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if err != nil {
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return 0
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}
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return amount
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}
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// firstNonEmpty 返回首个非空文本，用于兼容不同账单产品字段。 // Logan.Li
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func firstNonEmpty(values ...string) string {
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for _, value := range values {
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if text := strings.TrimSpace(value); text != "" {
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return text
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}
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}
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return ""
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}
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