增加统一倍率调整按钮

backend/internal/httpapi/billing.go

@@ -3,6 +3,7 @@ package httpapi
 import (
 	"encoding/json"
 	"errors"
+	"io"
 	"math"
 	"net/http"
 	"strconv"
@@ -232,12 +233,18 @@ func (h *billingHandler) adjust(w http.ResponseWriter, r *http.Request) {
 	writeJSON(w, 200, result)
 }
 func (h *billingHandler) prices(w http.ResponseWriter, r *http.Request) {
-	if !allow(w, r, http.MethodGet) {
+	if r.Method != http.MethodGet && r.Method != http.MethodPatch {
+		w.Header().Set("Allow", "GET, PATCH")
+		writeAPIError(w, http.StatusMethodNotAllowed, "方法不允许。")
 		return
 	}
 	if _, ok := h.authorize(w, r, PlatformSuperAdmin); !ok {
 		return
 	}
+	if r.Method == http.MethodPatch {
+		h.updatePrices(w, r)
+		return
+	}
 	rules, err := h.service.ListPrices(r.Context())
 	if err != nil {
 		writeDomainError(w, err)
@@ -245,6 +252,32 @@ func (h *billingHandler) prices(w http.ResponseWriter, r *http.Request) {
 	}
 	writeJSON(w, 200, map[string]any{"priceRules": rules})
 }
+
+// Called only after the collection route has authorized a platform super admin.
+func (h *billingHandler) updatePrices(w http.ResponseWriter, r *http.Request) {
+	var body struct {
+		RuleIDs          []string `json:"ruleIds"`
+		MarkupMultiplier any      `json:"markupMultiplier"`
+	}
+	decoder := json.NewDecoder(r.Body)
+	decoder.DisallowUnknownFields()
+	if err := decoder.Decode(&body); err != nil {
+		writeAPIError(w, 400, "请提供规则列表和上浮倍率，不能修改标准价格或参数。")
+		return
+	}
+	if err := decoder.Decode(&struct{}{}); err != io.EOF {
+		writeAPIError(w, 400, "请求必须包含一个有效的 JSON 对象。")
+		return
+	}
+	rules, err := h.service.UpdatePrices(r.Context(), billing.BulkPricePatch{
+		RuleIDs: body.RuleIDs, MarkupMultiplier: numberValue(body.MarkupMultiplier),
+	})
+	if err != nil {
+		writeDomainError(w, err)
+		return
+	}
+	writeJSON(w, 200, map[string]any{"priceRules": rules})
+}
 func (h *billingHandler) price(w http.ResponseWriter, r *http.Request, id string) {
 	if !allow(w, r, http.MethodPatch) {
 		return