- big big refactor.

platformapi/elmapi/callback.go

@@ -0,0 +1,69 @@
+package elmapi
+
+import (
+	"fmt"
+
+	"git.rosy.net.cn/baseapi"
+	"git.rosy.net.cn/baseapi/platformapi"
+	"git.rosy.net.cn/baseapi/utils"
+	"github.com/fatih/structs"
+)
+
+// https://open.shop.ele.me/openapi/documents/callback
+const (
+	MsgTypeOrderValid        = 10
+	MsgTypeMerchantValid     = 12
+	MsgTypeOrderCanceled     = 14
+	MsgTypeMerchantInvalid   = 15
+	MsgTypeOrderForceInvalid = 17
+	MsgTypeOrderFinished     = 18
+)
+
+type CallbackResponse struct {
+	Message string `json:"message"`
+}
+
+type CallbackMsg struct {
+	AppID     int    `json:"appId"`
+	RequestID string `json:"requestId"`
+	Type      int    `json:"type"`
+	Message   string `json:"message"`
+	ShopID    int    `json:"shopId"`
+	Timestamp int64  `json:"timestamp"`
+	UserID    int64  `json:"userId"`
+	Signature string `json:"signature"`
+}
+
+var (
+	SuccessResponse = &CallbackResponse{"ok"}
+)
+
+func (e *API) unmarshalData(data []byte, msg interface{}) (callbackResponse *CallbackResponse) {
+	err := utils.UnmarshalUseNumber(data, msg)
+	if err != nil {
+		return &CallbackResponse{
+			Message: fmt.Sprintf(platformapi.ErrStrUnmarshalError, data, err),
+		}
+	}
+	return nil
+}
+
+func (e *API) CheckCallbackValidation(mapData map[string]interface{}) (callbackResponse *CallbackResponse) {
+	sign := e.signParamsMap(mapData, "")
+	if remoteSign, _ := mapData[signKey].(string); sign != remoteSign {
+		baseapi.SugarLogger.Infof("Signature is not ok, mine:%v, get:%v", sign, remoteSign)
+		return &CallbackResponse{Message: platformapi.ErrStrCallbackSignatureIsWrong}
+	}
+	return nil
+}
+
+func (e *API) GetCallbackMsg(data []byte) (msg *CallbackMsg, callbackResponse *CallbackResponse) {
+	msg = new(CallbackMsg)
+	if callbackResponse = e.unmarshalData(data, msg); callbackResponse != nil {
+		return nil, callbackResponse
+	}
+
+	mapData := structs.Map(msg)
+	callbackResponse = e.CheckCallbackValidation(mapData)
+	return msg, callbackResponse
+}