add channel set desc

packages/httpRequest/hubs.go

@@ -870,3 +870,27 @@ func HandleChannelSetName(response http.ResponseWriter, request *http.Request) {
 
 	response.WriteHeader(http.StatusAccepted)
 }
+
+func HandleChannelSetDescription(response http.ResponseWriter, request *http.Request) {
+	_, hub, _, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetChannelDescription)
+	if !ok {
+		return
+	}
+	newDescription := request.FormValue("description")
+	channelId, err := convertions.StringToUint8(request.FormValue("id"))
+	if err != nil {
+		http.Error(response, "invalid channel id", http.StatusBadRequest)
+		return
+	}
+
+	hub.Mu.Lock()
+	channel := hub.Channels[channelId]
+	if channel == nil {
+		http.Error(response, "no such channel", http.StatusNotFound)
+		return
+	}
+	channel.Description = newDescription
+	hub.Mu.Unlock()
+
+	response.WriteHeader(http.StatusAccepted)
+}