- eventhub

- sys/GetWXToken

business/jxutils/eventhub/syseventhub/syseventhub.go

@@ -0,0 +1,81 @@
+package syseventhub
+
+import (
+	"time"
+
+	"git.rosy.net.cn/jx-callback/business/jxutils/eventhub"
+	"git.rosy.net.cn/jx-callback/globals/api"
+)
+
+const (
+	EventCategory = "sys"
+
+	EventTypeWXToken = "wxtoken"
+)
+
+type Hub struct {
+	eventHub *eventhub.EventHub
+}
+
+type Criteria struct {
+}
+
+var (
+	SysEventHub *Hub
+)
+
+func init() {
+	SysEventHub = New()
+}
+
+func New() (hub *Hub) {
+	hub = &Hub{
+		eventHub: eventhub.New(),
+	}
+	hub.eventHub.RegisterProducer(EventCategory, hub)
+	return hub
+}
+
+func (h *Hub) GetEvent(eventTypeList []string, criteria interface{}) (event *eventhub.EventInfo, err error) {
+	for _, eventType := range eventTypeList {
+		switch eventType {
+		case EventTypeWXToken:
+			return h.getWXToken(criteria)
+		}
+	}
+	return event, err
+}
+
+func (h *Hub) getWXToken(criteria interface{}) (event *eventhub.EventInfo, err error) {
+	criteriaToken := ""
+	if criteria != nil {
+		criteriaToken = criteria.(string)
+	}
+	token := api.WeixinAPI.CBGetToken()
+	if token != criteriaToken {
+		return &eventhub.EventInfo{
+			Type: EventTypeWXToken,
+			Data: token,
+		}, nil
+	}
+	return nil, nil
+}
+
+func (h *Hub) IsCriteriaMatch(eventInfo *eventhub.EventInfo, criteria interface{}) bool {
+	return true
+}
+
+func (h *Hub) OnNewWXToken(token string) {
+	h.eventHub.PostNewEvent(EventCategory, &eventhub.EventInfo{
+		Type: EventTypeWXToken,
+		Data: token,
+	})
+}
+
+func (h *Hub) GetWXToken(oldToken string, waitTime time.Duration) (token string) {
+	eventInfo, err := h.eventHub.GetEvent(EventCategory, []string{EventTypeWXToken}, oldToken, waitTime)
+	if err == nil && eventInfo != nil {
+		token = eventInfo.Data.(string)
+	}
+	return token
+}