在Twilio上的可编程聊天中加入一个频道，作为频道管理员发送媒体信息

Question

下面是我用来创建聊天客户端和加入频道的代码：

 initChat = () => {
    this.chatClient = new Chat(this.state.token);
    this.chatClient.initialize().then(this.clientInitiated.bind(this));
  };

clientInitiated = () => {
    this.setState({ chatReady: true }, () => {
      this.chatClient
        .getChannelByUniqueName(this.channelName)
        .then(channel => {
          if (channel) {
            return (this.channel = channel);
          }
        })
        .catch(err => {
          if (err.body.code === 50300) {
            return this.chatClient.createChannel({
              uniqueName: this.channelName
            });
          }
        })
        .then(channel => {
          this.channel = channel;
          window.channel = channel;
          if (channel.state.status !== "joined") {
            console.log("New member joining in");
            return this.channel.join();
          } else {
            console.log("already joined the channel earlier");
            return this.channel;
          }
        })
        .then(() => {
          console.log("Channel: ", this.channel);
          this.channel.getMessages().then(this.messagesLoaded);
          this.channel.on("messageAdded", this.messageAdded);              
        });
    });
  };

Answer 1

这里是Twilio开发者布道者。

从文档中可以看到：

聊天角色分为两个“范围”，“服务”和“渠道”。它们根据上下文确定如何应用角色权限。

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