GetStoreListByLocation

business/jxstore/cms/store.go

@@ -61,6 +61,30 @@ type StoreExt struct {
 	OrderCount int `json:"orderCount"`
 }
 
+type Store4User struct {
+	model.Store
+	FloatLng     float64 `json:"lng"`
+	FloatLat     float64 `json:"lat"`
+	CityName     string  `json:"cityName"`
+	DistrictName string  `json:"districtName"`
+
+	Distance int `json:"distance"`
+}
+
+type Store4UserList []*Store4User
+
+func (x Store4UserList) Len() int {
+	return len(x)
+}
+
+func (x Store4UserList) Less(i, j int) bool {
+	return x[i].Distance < x[j].Distance
+}
+
+func (x Store4UserList) Swap(i, j int) {
+	x[i], x[j] = x[j], x[i]
+}
+
 type StoresInfo struct {
 	TotalCount   int         `json:"totalCount"`
 	MapCenterLng float64     `json:"mapCenterLng"`
@@ -2003,3 +2027,61 @@ func SyncStoresQualify(ctx *jxcontext.Context, storeIDs []int, isAsync, isContin
 	}
 	return hint, err
 }
+
+func GetStoreListByLocation(ctx *jxcontext.Context, lng, lat float64) (storeList []*Store4User, err error) {
+	const (
+		maxRadius          = 5000
+		maxStoreCount4User = 5
+	)
+
+	lng2, _ := jxutils.ConvertDistanceToLogLat(lng, lat, float64(maxRadius), 90)
+	_, lat2 := jxutils.ConvertDistanceToLogLat(lng, lat, float64(maxRadius), 0)
+	lng1 := lng - (lng2 - lng)
+	lat1 := lat - (lat2 - lat)
+	// globals.SugarLogger.Debugf("%f,%f,%f,%f\n", lng1, lng2, lat1, lat2)
+	sql := `
+	SELECT t1.*,
+	city.name city_name
+	FROM store t1
+	JOIN place city ON city.code = t1.city_code
+	WHERE t1.deleted_at = ? AND t1.status <> ? AND t1.lng > ? AND t1.lng < ? AND t1.lat > ? AND t1.lat < ?
+	`
+	sqlParams := []interface{}{
+		utils.DefaultTimeValue,
+		model.StoreStatusDisabled,
+		jxutils.StandardCoordinate2Int(lng1),
+		jxutils.StandardCoordinate2Int(lng2),
+		jxutils.StandardCoordinate2Int(lat1),
+		jxutils.StandardCoordinate2Int(lat2),
+	}
+
+	var storeList1 []*Store4User
+	if err = dao.GetRows(dao.GetDB(), &storeList1, sql, sqlParams...); err == nil {
+		var storeList2 []*Store4User
+		for _, v := range storeList1 {
+			isStoreOK := false
+			v.FloatLng = jxutils.IntCoordinate2Standard(v.Lng)
+			v.FloatLat = jxutils.IntCoordinate2Standard(v.Lat)
+			if v.DeliveryRangeType == model.DeliveryRangeTypeRadius {
+				maxDistance := int(utils.Str2Int64WithDefault(v.DeliveryRange, 0))
+				v.Distance = int(jxutils.EarthDistance(lng, lat, v.FloatLng, v.FloatLat) * 1000)
+				isStoreOK = v.Distance <= maxDistance
+			} else {
+				points := jxutils.CoordinateStr2Points(v.DeliveryRange)
+				if utils.IsPointInPolygon(lng, lat, points) {
+					v.Distance = int(jxutils.EarthDistance(lng, lat, v.FloatLng, v.FloatLat) * 1000)
+					isStoreOK = true
+				}
+			}
+			if isStoreOK {
+				storeList2 = append(storeList2, v)
+			}
+		}
+		sort.Sort(Store4UserList(storeList2))
+		storeList = storeList2
+		if len(storeList) > maxStoreCount4User {
+			storeList = storeList[:maxStoreCount4User]
+		}
+	}
+	return storeList, err
+}