- elm callback basic.

business/elm/controller/order.go

@@ -0,0 +1,86 @@
+package controller
+
+import (
+	"git.rosy.net.cn/baseapi/platform/elmapi"
+	"git.rosy.net.cn/baseapi/utils"
+	"git.rosy.net.cn/jx-callback/business/elm/models"
+	"git.rosy.net.cn/jx-callback/globals"
+	"github.com/astaxie/beego/orm"
+)
+
+var (
+	errResponseInternal        = &elmapi.ELMCallbackResponse{Message: "internal error"}
+	errResponseDataError       = &elmapi.ELMCallbackResponse{Message: "elm data error"}
+	errResponseDBError         = &elmapi.ELMCallbackResponse{Message: "DB error"}
+	errResponseCallELMAPIError = &elmapi.ELMCallbackResponse{Message: "call ELM API error"}
+)
+
+type OrderController struct {
+}
+
+func (o *OrderController) OrderMessage(msg *elmapi.ELMCallbackMsg) *elmapi.ELMCallbackResponse {
+	var innerMsg map[string]interface{}
+	err := utils.UnmarshalUseNumber([]byte(msg.Message), &innerMsg)
+	if err != nil {
+		sugarLogger.Warnf("OrderMessage unmarshal %v error:%v", msg, err)
+		return errResponseDataError
+	}
+	if msg.Type == elmapi.OrderValid {
+		return o.NewOrder(msg, innerMsg["id"].(string))
+	} else if msg.Type >= elmapi.MerchantValid && msg.Type <= elmapi.OrderFinished {
+		return o.OrderStatusChanged(msg, innerMsg["orderId"].(string))
+	}
+	return elmapi.ELMResponseOK
+}
+
+func (o *OrderController) NewOrder(msg *elmapi.ELMCallbackMsg, orderId string) *elmapi.ELMCallbackResponse {
+	db := orm.NewOrm()
+	rec := &models.ELMOrder{
+		OrderId: orderId,
+		Type:    msg.Type,
+	}
+
+	created, _, err := db.ReadOrCreate(rec, "OrderId")
+	if err != nil {
+		sugarLogger.Warnf("error when calling ReadOrCreate, error:%v", err)
+		return errResponseDBError
+	}
+	if created || rec.Type != msg.Type {
+		result, err := gElmAPI.GetOrder(orderId)
+		if err != nil {
+			sugarLogger.Warnf("call GetOrder error:%v", err)
+			return errResponseCallELMAPIError
+		}
+		err = globals.FreshFoodAPI.NewELMOrder(result)
+		if err != nil {
+			sugarLogger.Warnf("internal error:%v", err)
+			return errResponseInternal
+		}
+	} else {
+		sugarLogger.Infof("duplicate elm msg received:%v", msg)
+	}
+	return elmapi.ELMResponseOK
+}
+
+func (o *OrderController) OrderStatusChanged(msg *elmapi.ELMCallbackMsg, orderId string) *elmapi.ELMCallbackResponse {
+	db := orm.NewOrm()
+	rec := &models.ELMOrder{
+		OrderId: orderId,
+	}
+
+	err := db.Read(rec, "OrderId")
+	if err != nil {
+		sugarLogger.Warnf("error when calling ReadOrCreate, error:%v", err)
+		return errResponseDBError
+	}
+	if rec.Type != msg.Type {
+		err = globals.FreshFoodAPI.ELMOrderStatus(orderId, msg.Type, utils.GetCurTimestamp())
+		if err != nil {
+			sugarLogger.Warnf("internal error:%v", err)
+			return errResponseInternal
+		}
+	} else {
+		sugarLogger.Infof("duplicate elm msg received:%v", msg)
+	}
+	return elmapi.ELMResponseOK
+}