feat:采购日志

backend/internal/handler/rock.go

@@ -2,6 +2,7 @@ package handler
 
 import (
 	"errors"
+	"fmt"
 	"strconv"
 	"strings"
 
@@ -100,12 +101,70 @@ func (h *RockHandler) PurchaseTokens(c *gin.Context) {
 		response.BadRequest(c, err.Error())
 		return
 	}
+	summary := h.rockSvc.LastPurchaseSummary()
+	message := "采购成功，已批量入库"
+	planned := len(tokens)
+	limitReason := ""
+	if summary != nil {
+		planned = summary.PlannedCount
+		limitReason = summary.LimitReason
+		switch summary.LimitReason {
+		case "upstream_stock":
+			message = fmt.Sprintf("上游货源不足，已按 %d 个采购", summary.PlannedCount)
+		case "points":
+			message = fmt.Sprintf("积分不足，已按 %d 个采购", summary.PlannedCount)
+		case "points_and_stock":
+			message = fmt.Sprintf("积分与上游库存不足，已按 %d 个采购", summary.PlannedCount)
+		case "points_snapshot":
+			message = fmt.Sprintf("积分不足（按快照估算），已按 %d 个采购", summary.PlannedCount)
+		}
+	}
 	response.OK(c, gin.H{
 		"purchased_count": len(tokens),
-		"message":         "采购成功，已批量入库",
+		"requested_count": req.Count,
+		"planned_count":   planned,
+		"limit_reason":    limitReason,
+		"log_id":          summaryLogID(summary),
+		"message":         message,
 	})
 }
 
+func summaryLogID(summary *service.PurchaseSummary) uint {
+	if summary == nil {
+		return 0
+	}
+	return summary.LogID
+}
+
+// ListPurchaseLogs 分页查询采购流水
+func (h *RockHandler) ListPurchaseLogs(c *gin.Context) {
+	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
+	triggerType := strings.TrimSpace(c.Query("trigger_type"))
+	status := strings.TrimSpace(c.Query("status"))
+	list, total, err := h.rockSvc.ListPurchaseLogs(c.Request.Context(), page, pageSize, triggerType, status)
+	if err != nil {
+		response.ServerError(c, err.Error())
+		return
+	}
+	response.OK(c, gin.H{"list": list, "total": total})
+}
+
+// GetPurchaseLog 查询单次采购详情（含各阶段原始报文）
+func (h *RockHandler) GetPurchaseLog(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil || id == 0 {
+		response.BadRequest(c, "无效的日志 ID")
+		return
+	}
+	entry, stages, err := h.rockSvc.GetPurchaseLog(c.Request.Context(), uint(id))
+	if err != nil {
+		response.NotFound(c, "采购日志不存在")
+		return
+	}
+	response.OK(c, gin.H{"log": entry, "stages": stages})
+}
+
 // ListTokens 分页获取 Token 库存列表
 func (h *RockHandler) ListTokens(c *gin.Context) {
 	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))