- showapi.GetProductInfoByBarCode

platformapi/showapi/barcode.go

@@ -0,0 +1,91 @@
+package showapi
+
+import (
+	"fmt"
+	"math"
+	"regexp"
+	"strings"
+
+	"git.rosy.net.cn/baseapi/utils"
+)
+
+type ProductInfo struct {
+	OriginalName string
+	OriginalSpec string
+	Name         string
+	SpecQuality  int
+	SpecUnit     string
+	Unit         string
+	Weight       float32
+	Price        int
+	Categories   []string
+	ManName      string // 生产商
+	BrandName    string
+}
+
+var (
+	specPat     *regexp.Regexp
+	specUnitMap = map[string]string{
+		"克":  "g",
+		"千克": "kg",
+		"升":  "L",
+		"毫升": "ml",
+	}
+)
+
+func init() {
+	specPat = regexp.MustCompile(`(\d+)([^\/]+)(?:\/(.+))?`)
+}
+
+func SplitProductSpec(spec string) (specQuality int, specUnit, Unit string) {
+	searchResult := specPat.FindStringSubmatch(spec)
+	// baseapi.SugarLogger.Debug(utils.Format4Output(searchResult, false))
+	if len(searchResult) == 4 {
+		return int(utils.Str2Int64WithDefault(searchResult[1], 0)), searchResult[2], searchResult[3]
+	}
+	return 0, "", ""
+}
+
+func CalculateWeight(specQuality int, specUnit string) (weight float32) {
+	weight = float32(specQuality)
+	if specUnit == "g" || specUnit == "ml" {
+		weight /= 1000
+	}
+	return weight
+}
+
+func (a *API) GetProductInfoByBarCode(barCode string) (product *ProductInfo, err error) {
+	res := ShowapiRequest("http://route.showapi.com/66-22", a.appID, a.appSecret)
+	res.AddTextPara("code", barCode)
+	result, err := res.Post()
+	if err != nil {
+		return nil, err
+	}
+	var jsonResult map[string]interface{}
+	if err = utils.UnmarshalUseNumber([]byte(result), &jsonResult); err != nil {
+		return nil, err
+	}
+	showApiResCode := int(utils.MustInterface2Int64(jsonResult["showapi_res_code"]))
+	if showApiResCode != 0 {
+		return nil, utils.NewErrorIntCode(utils.Interface2String(jsonResult["showapi_res_error"]), showApiResCode)
+	}
+	// baseapi.SugarLogger.Debug(utils.Format4Output(jsonResult, false))
+
+	showapiResBody := jsonResult["showapi_res_body"].(map[string]interface{})
+	flag := showapiResBody["flag"].(bool)
+	if !flag {
+		return nil, utils.NewErrorIntCode(utils.Interface2String(showapiResBody["remark"]), int(utils.Str2Int64(utils.Interface2String(showapiResBody["ret_code"]))))
+	}
+	product = &ProductInfo{
+		OriginalName: showapiResBody["goodsName"].(string),
+		OriginalSpec: showapiResBody["spec"].(string),
+		Price:        int(math.Round(utils.Str2Float64WithDefault(utils.Interface2String(showapiResBody["price"]), 0))),
+		Categories:   strings.Split(showapiResBody["goodsType"].(string), ">>"),
+		ManName:      showapiResBody["manuName"].(string),
+		BrandName:    showapiResBody["trademark"].(string),
+	}
+	product.SpecQuality, product.SpecUnit, product.Unit = SplitProductSpec(product.OriginalSpec)
+	product.Name = utils.TrimBlankChar(strings.Replace(product.OriginalName, fmt.Sprintf("%d%s", product.SpecQuality, product.SpecUnit), "", -1))
+	product.Weight = CalculateWeight(product.SpecQuality, product.SpecUnit)
+	return product, err
+}