- make master compilable.

business/jxutils/jxutils.go

@@ -4,9 +4,11 @@ import (
 	"fmt"
 	"math"
 	"math/rand"
+	"regexp"
 	"strings"
 	"sync"
 	"time"
+	"unicode/utf8"
 
 	"git.rosy.net.cn/baseapi/platformapi/autonavi"
 	"git.rosy.net.cn/baseapi/utils"
@@ -17,6 +19,7 @@ import (
 
 var (
 	routinePool *routinepool.Pool
+	skuNamePat  *regexp.Regexp
 )
 
 type SyncMapWithTimeout struct {
@@ -27,6 +30,10 @@ type SyncMapWithTimeout struct {
 func init() {
 	rand.Seed(time.Now().Unix())
 	routinePool = routinepool.New(1000, 1000)
+
+	// Go regex does not support lookarounds.
+	// https://stackoverflow.com/questions/38933898/error-parsing-regexp-invalid-or-unsupported-perl-syntax
+	skuNamePat = regexp.MustCompile(`([\(（\[【][^\(（\[【\)）\]】]*[\)）\]】])?(.*?)([(（].*[)）])?\s*约?([1-9][\d\.]*)(g|G|kg|kG|Kg|KG|l|L|ml|mL|Ml|ML|克)\s*([(（].*[)）])?\s*(?:\/|／|)\s*([^\s（）()]{0,2})\s*([（(].*[）)])?$`)
 }
 
 func (m *SyncMapWithTimeout) StoreWithTimeout(key, value interface{}, timeout time.Duration) {
@@ -191,3 +198,73 @@ func Errs2Str(sep string, errs ...error) (retVal string) {
 	}
 	return retVal
 }
+
+func IntWeight2Float(weight int) float32 {
+	return float32(weight) / 1000.0
+}
+
+func FloatWeight2Int(weight float32) int {
+	return int(math.Round(float64(weight * 1000)))
+}
+
+func ComposeSkuName(prefix, name, comment, unit string, spec_quality float32, spec_unit string, maxLen int) (skuName string) {
+	if prefix != "" {
+		skuName = "[" + prefix + "]"
+	}
+	skuName += name
+	if unit == "份" {
+		skuName += "约"
+	}
+	if math.Round(float64(spec_quality)) == float64(spec_quality) || (spec_unit != "L" && spec_unit != "kg") {
+		skuName += fmt.Sprintf("%d", int(spec_quality))
+	} else {
+		skuName += fmt.Sprintf("%.2f", spec_quality)
+	}
+	skuName += spec_unit
+	skuName += "/" + unit
+	if maxLen > 0 {
+		skuName = skuName[:maxLen]
+	}
+	return skuName
+}
+
+//  1：商品特殊前缀
+//  2：商品名字
+//  3：商品说明1（可缺失）
+//  4：质量数字
+//  5：质量单位
+//  6：商品说明2（可缺失）
+//  7：商品单位
+//  8：商品说明3（可缺失）
+func SplitSkuName(skuName string) (prefix, name, comment, specUnit, unit string, specQuality float32) {
+	searchResult := skuNamePat.FindStringSubmatch(skuName)
+	if searchResult != nil {
+		if searchResult[3] != "" {
+			comment = searchResult[3]
+		} else if searchResult[6] != "" {
+			comment = searchResult[6]
+		} else if searchResult[8] != "" {
+			comment = searchResult[8]
+		}
+		comment = strings.Trim(comment, " ()（）")
+		name = strings.Trim(searchResult[2], " ")
+		if comment != "" {
+			if utf8.RuneCountInString(comment) <= 5 {
+				name += "-" + comment
+				comment = ""
+			}
+		}
+		specUnit = strings.ToLower(strings.Replace(searchResult[5], "克", "g", -1))
+		if specUnit == "l" {
+			specUnit = "L"
+		}
+		if searchResult[7] == "" {
+			unit = "份"
+		} else {
+			unit = searchResult[7]
+		}
+		specQuality = float32(utils.Str2Float64(searchResult[4]))
+		prefix = strings.Trim(searchResult[1], " []()【】（）")
+	}
+	return prefix, name, comment, specUnit, unit, specQuality
+}