Use BatchSn for SKU batch format and remove Batch

Populate LySku.BatchFormat from BatchSn (JSON or fallback items).
Add fourDigitRegex to handle 4-digit ziying batch codes as "XX+".
Remove the unused Batch field and its initialization.

model/ly_sku.go

@@ -105,7 +105,6 @@ type LySku struct {
 	Cost     float64 `json:"cost"`
 	CostUs   float64 `json:"cost_us"`
 	IsZiying    int         `json:"is_ziying"`
-	Batch       string      `json:"-"`
 	BatchFormat interface{} `json:"batch_format"`
 }
 
@@ -313,8 +312,6 @@ func InitSkuData(sku string) (data LySku) {
 
 	data.AbilityLevel = int(gjson.Get(sku, "ability_level").Int())
 
-	data.Batch = gjson.Get(sku, "batch").String()
-
 	return
 }
 

service/service_ly_common.go

@@ -265,7 +265,6 @@ func (ls *LyService) GetIsBuy(sku model.LySku) (isBuy int) {
 	if len(sku.LadderPrice) == 0 {
 		return
 	}
-
 	//L0016691 L0015730 L0015835 L0016793 L0016887 L0016886 L0016784
 	if sku.AbilityLevel == 0 && sku.OrgId == 1 && (sku.Canal != "L0015730" && sku.Canal != "L0015835" && sku.Canal != "L0016691" && sku.Canal != "L0016793" && sku.Canal != "L0016887" && sku.Canal != "L0016886" && sku.Canal != "L0016784") {
 		return

service/service_sku_batch.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"go_sku_server/model"
 	"go_sku_server/pkg/gredis"
+	"regexp"
 	"strconv"
 	"strings"
 
@@ -11,6 +12,8 @@ import (
 	"github.com/tidwall/gjson"
 )
 
+var fourDigitRegex = regexp.MustCompile(`^\d{4}$`)
+
 var batchCodeMap = map[int]string{
 	-1: "无法指定",
 	1:  "任意批次",
@@ -22,17 +25,24 @@ var batchCodeMap = map[int]string{
 }
 
 func (ls *LyService) GetSkuBatchFormat(sku *model.LySku) {
-	if sku.Batch != "" {
+	if sku.BatchSn != "" {
+		var items []model.BatchFormatItem
+
 		var batchObj map[string]interface{}
-		if err := json.Unmarshal([]byte(sku.Batch), &batchObj); err == nil {
-			var items []model.BatchFormatItem
+		if err := json.Unmarshal([]byte(sku.BatchSn), &batchObj); err == nil {
 			for k, v := range batchObj {
 				items = append(items, model.BatchFormatItem{Name: k, Value: v})
 			}
-			sku.BatchFormat = items
+		} else if sku.IsZiying == 1 && fourDigitRegex.MatchString(sku.BatchSn) {
+			items = append(items, model.BatchFormatItem{
+				Name:  sku.BatchSn[:2] + "+",
+				Value: sku.BatchSn,
+			})
 		} else {
-			sku.BatchFormat = sku.Batch
+			items = append(items, model.BatchFormatItem{Value: sku.BatchSn})
 		}
+
+		sku.BatchFormat = items
 		return
 	}