feat: 采购价格仅展示选定规格 (#113)

admin/handler/web/others.go

@@ -612,6 +612,8 @@ func (h *Handler) SybMatch(c *gin.Context) {
 func (h *Handler) SybCreateTask(c *gin.Context) {
 	ids := c.PostFormArray("ids")
 	prices := c.PostFormArray("max_price_yuan")
+	mappingKeys := c.PostFormArray("mapping_option_key")
+	contextVersions := c.PostFormArray("context_version")
 	if len(ids) == 0 {
 		h.sybRedirect(c, "没有选择货运单明细，没有创建采购任务。")
 		return
@@ -623,12 +625,21 @@ func (h *Handler) SybCreateTask(c *gin.Context) {
 			preFailures = append(preFailures, service.TaskCreateError{SybID: sybID, Reason: "人民币价格上限不能为空"})
 			continue
 		}
+		if i >= len(mappingKeys) || i >= len(contextVersions) ||
+			strings.TrimSpace(mappingKeys[i]) == "" || strings.TrimSpace(contextVersions[i]) == "" {
+			preFailures = append(preFailures, service.TaskCreateError{SybID: sybID, Reason: "规格确认信息已失效，请刷新页面后重试"})
+			continue
+		}
 		cent, err := service.ParsePriceYuanToCent(prices[i])
 		if err != nil {
 			preFailures = append(preFailures, service.TaskCreateError{SybID: sybID, Reason: err.Error()})
 			continue
 		}
-		requests = append(requests, service.PurchaseTaskRequest{SybID: sybID, MaxPriceCent: cent})
+		requests = append(requests, service.PurchaseTaskRequest{
+			SybID: sybID, MaxPriceCent: cent,
+			MappingOptionKey: strings.TrimSpace(mappingKeys[i]),
+			ContextVersion:   strings.TrimSpace(contextVersions[i]),
+		})
 	}
 	result, err := service.CreatePurchaseTasksWithOptions(
 		h.db, currentUser(c), requests,

admin/service/purchase_workflow.go

@@ -159,6 +159,8 @@ func mappingIsValid(context repository.SybOrderContext) bool {
 type PurchaseTaskRequest struct {
 	SybID            string
 	MaxPriceCent     int64
+	MappingOptionKey string
+	ContextVersion   string
 }
 
 const LivePurchaseConfirmation = "创建未付款订单"
@@ -308,6 +310,12 @@ func validatePurchaseRequest(q repository.Execer, request PurchaseTaskRequest) (
 	if choice == nil {
 		return "已保存的 PDD 规格已失效，请重新匹配", context, "", nil
 	}
+	if request.MappingOptionKey != "" && request.MappingOptionKey != context.MappingOptionKey {
+		return "规格映射已变化，请刷新页面后重新确认", context, "", nil
+	}
+	if request.ContextVersion != "" && request.ContextVersion != mappingContextVersion(*context) {
+		return "商品或规格数据已变化，请刷新页面后重新确认", context, "", nil
+	}
 	if context.Order.Quantity <= 0 {
 		return "采购数量必须大于 0", context, "", nil
 	}

admin/service/purchase_workflow_test.go

@@ -146,6 +146,11 @@ func TestSybMapping_动态维度保存并复用(t *testing.T) {
 	if list.Total != 1 || !list.Rows[0].CanPurchase || list.Rows[0].DefaultMaxPrice != "39.90" {
 		t.Fatalf("可采购阶段不对: %+v", list)
 	}
+	row := list.Rows[0]
+	if row.MappedPddChoice != "颜色：黑色 / 尺码：M码 / 款式：常规" ||
+		strings.Contains(row.MappedPddChoice, "白色") || row.MappingOptionKey != key || row.ContextVersion == "" {
+		t.Fatalf("采购确认只能带出当前映射组合，实际 %+v", row)
+	}
 }
 
 func TestSybMapping_同商品同规格第二条明细自动命中(t *testing.T) {
@@ -446,6 +451,31 @@ func TestCreatePurchaseTasksWithOptions_页面打开后客户端离线会被拒
 	}
 }
 
+func TestCreatePurchaseTasksWithOptions_拒绝弹窗打开后变化的规格映射(t *testing.T) {
+	db := newTestDB(t)
+	blackKey := seedPurchasableWorkflow(t, db, "SYB-STALE")
+	SaveSybMapping(db, "SYB-STALE", blackKey, "USR-1")
+	context, err := repository.GetSybOrderContext(db, "SYB-STALE")
+	if err != nil || context == nil {
+		t.Fatal(err)
+	}
+	oldVersion := mappingContextVersion(*context)
+	whiteKey, _ := OptionKey(map[string]string{"color": "白色", "size": "L码", "style": "加绒"})
+	SaveSybMapping(db, "SYB-STALE", whiteKey, "USR-2")
+	admin, _, _ := prepareClientAssignmentUsers(t, db)
+	RegisterClient(db, model.Client{ClientID: "CLIENT-LIVE", Capabilities: `{"purchase_mode":"live"}`}, true)
+
+	result, err := CreatePurchaseTasksWithOptions(db, admin,
+		[]PurchaseTaskRequest{{SybID: "SYB-STALE", MaxPriceCent: 3990,
+			MappingOptionKey: blackKey, ContextVersion: oldVersion}},
+		PurchaseTaskOptions{ClientID: "CLIENT-LIVE", ExecutionMode: model.TaskExecutionLive,
+			LiveAcknowledged: true, LiveConfirmation: LivePurchaseConfirmation})
+	if err != nil || result.Created != 0 || len(result.Failures) != 1 ||
+		!strings.Contains(result.Failures[0].Reason, "已变化") {
+		t.Fatalf("旧弹窗必须因映射变化被拒绝: result=%+v err=%v", result, err)
+	}
+}
+
 func TestParsePriceYuanToCent_精确转换(t *testing.T) {
 	for raw, want := range map[string]int64{"39.90": 3990, "1": 100, "0.01": 1, "12.3": 1230} {
 		got, err := ParsePriceYuanToCent(raw)

admin/service/syb.go

@@ -932,6 +932,9 @@ type SybOrderView struct {
 	NeedsAttention   bool
 	CanPurchase      bool
 	DefaultMaxPrice  string
+	MappedPddChoice  string
+	MappingOptionKey string
+	ContextVersion   string
 	UpdatedAt        string
 }
 
@@ -1117,7 +1120,17 @@ func sybOrderViewFor(context repository.SybOrderContext) SybOrderView {
 		UpdatedAt: formatLocalTime(o.UpdatedAt)}
 	v.Stage, v.StageText, v.StageHelp, v.ActionText = sybStageFor(context)
 	v.CanPurchase = v.Stage == SybStagePurchaseReady
-	v.DefaultMaxPrice = defaultMaxPrice(context)
+	if v.CanPurchase {
+		v.MappingOptionKey = context.MappingOptionKey
+		v.ContextVersion = mappingContextVersion(context)
+		choice, err := findPddChoice(context.PddSkusJSON, context.MappingOptionKey)
+		if err == nil && choice != nil {
+			v.MappedPddChoice = choice.Label
+			if choice.HasPrice {
+				v.DefaultMaxPrice = fmt.Sprintf("%d.%02d", choice.PriceCent/100, choice.PriceCent%100)
+			}
+		}
+	}
 	v.NeedsAttention = v.Stage != SybStagePddCollecting && v.Stage != SybStageTaskCreated
 	if o.PriceTwdCent > 0 {
 		v.PriceText = fmt.Sprintf("NT$%.2f", float64(o.PriceTwdCent)/100)
@@ -1133,17 +1146,6 @@ func sybOrderViewFor(context repository.SybOrderContext) SybOrderView {
 	return v
 }
 
-func defaultMaxPrice(context repository.SybOrderContext) string {
-	if !mappingIsValid(context) {
-		return ""
-	}
-	choice, err := findPddChoice(context.PddSkusJSON, context.MappingOptionKey)
-	if err != nil || choice == nil || !choice.HasPrice {
-		return ""
-	}
-	return fmt.Sprintf("%d.%02d", choice.PriceCent/100, choice.PriceCent%100)
-}
-
 // SybProcessingDetail 是顺运宝“下一步”弹窗第一阶段需要的上下文。
 type SybProcessingDetail struct {
 	SybID                string

admin/templates/syb/list.html

@@ -192,8 +192,12 @@
         {{range .Rows}}
         <div class="purchase-confirm-row" data-purchase-row="{{.SybID}}" hidden>
           <input type="hidden" name="ids" value="{{.SybID}}" disabled>
-          <div><strong>{{.OrderNo}}</strong> · {{.Title}} · {{.ProductSpec}} × {{.Quantity}}</div>
+          <input type="hidden" name="mapping_option_key" value="{{.MappingOptionKey}}" disabled>
-          <label>人民币价格上限（元）
+          <input type="hidden" name="context_version" value="{{.ContextVersion}}" disabled>
+          <div><strong>{{.OrderNo}}</strong> · {{.Title}} × {{.Quantity}}</div>
+          <div class="hint">顺运宝规格：{{.ProductSpec}}</div>
+          <div><strong>已选 PDD 规格：</strong>{{.MappedPddChoice}}</div>
+          <label>选定颜色的人民币价格上限（元）
             <input type="number" name="max_price_yuan" min="0.01" step="0.01" value="{{.DefaultMaxPrice}}" required disabled>
           </label>
         </div>

docs/admin/05-ui-specification.md

@@ -559,6 +559,11 @@ HTML 片段，只替换弹窗内部的表格、总数和分页。主货运单表
 的 PDD 采集价；没有价格时留空强制填写。新任务固定为真实下单（不支付），不显示执行
 模式选择；风险说明、复选确认和“创建未付款订单”确认短语始终显示。
 
+每条确认行同时显示顺运宝规格原文和当前映射的唯一 PDD 规格组合。价格输入只对应该
+组合中的选定颜色，不显示同一 PDD 商品的其他颜色或价格。批量创建时每条顺运宝明细
+各自显示一个选定组合和一个价格输入；映射或商品上下文在弹窗打开后变化时，服务端拒绝
+旧提交并要求刷新。
+
 `[必须]` 校验不过的**不要静默跳过**，要列出来告诉操作员缺什么：
 
 - 同一批中合法行可以创建，失败行逐条显示明细 ID 和原因；数据库错误则整批回滚。