tencent cloud

TencentCloudChat.create(options);

// 如果您已集成 v2.x 的 SDK，想升级到 V3 并且想尽可能地少改动项目代码，可以继续沿用 TIM
// import TIM from '@tencentcloud/chat';
import TencentCloudChat from '@tencentcloud/chat';
import TIMUploadPlugin from 'tim-upload-plugin';

let options = {
  SDKAppID: 0 // 接入时需要将0替换为您的即时通信 IM 应用的 SDKAppID
};
// 创建 SDK 实例，`TencentCloudChat.create()`方法对于同一个 `SDKAppID` 只会返回同一份实例
let chat = TencentCloudChat.create(options); // SDK 实例通常用 chat 表示

chat.setLogLevel(0); // 普通级别，日志量较多，接入时建议使用
// chat.setLogLevel(1); // release 级别，SDK 输出关键信息，生产环境时建议使用

// 注册腾讯云即时通信 IM 上传插件
chat.registerPlugin({'tim-upload-plugin': TIMUploadPlugin});

chat.on(eventName, handler, context);

let onMessageReceived = function(event) {
  // event.name - TencentCloudChat.EVENT.MESSAGE_RECEIVED
  // event.data - An array to store Messages - [Message]
};
chat.on(TencentCloudChat.EVENT.MESSAGE_RECEIVED, onMessageReceived);

chat.off(eventName, handler, context, once);

let onMessageReceived = function(event) {
  // event.name - TencentCloudChat.EVENT.MESSAGE_RECEIVED
  // event.data - An array to store Messages - [Message]
};
chat.off(TencentCloudChat.EVENT.MESSAGE_RECEIVED, onMessageReceived);

let onSdkReady = function(event) {
  let message = chat.createTextMessage({
    to: 'user1',
    conversationType: 'C2C',
    payload: { text: 'Hello world!' }
  });
  chat.sendMessage(message);
};
chat.on(TencentCloudChat.EVENT.SDK_READY, onSdkReady);

let onSdkNotReady = function(event) {
  // chat.login({userID: 'your userID', userSig: 'your userSig'});
};
chat.on(TencentCloudChat.EVENT.SDK_NOT_READY, onSdkNotReady);

let onMessageReceived = function(event) {
  // event.data - 存储 Message 对象的数组 - [Message]
};
chat.on(TencentCloudChat.EVENT.MESSAGE_RECEIVED, onMessageReceived);

let onMessageModified = function(event) {
  // event.data - 存储被修改过的 Message 对象的数组 - [Message]
};
chat.on(TencentCloudChat.EVENT.MESSAGE_MODIFIED, onMessageModified);

let onMessageRevoked = function(event) {
  // event.data - 存储 Message 对象的数组 - [Message] - 每个 Message 对象的 isRevoked 属性值为 true
};
chat.on(TencentCloudChat.EVENT.MESSAGE_REVOKED, onMessageRevoked);

let onMessageReadByPeer = function(event) {
  // event.data - 存储 Message 对象的数组 - [Message] - 每个 Message 对象的 isPeerRead 属性值为 true
};
chat.on(TencentCloudChat.EVENT.MESSAGE_READ_BY_PEER, onMessageReadByPeer);

let onMessageReadReceiptReceived = function(event) {
  // event.data - 存储消息已读回执信息的数组
  const readReceiptInfoList = event.data;
  readReceiptInfoList.forEach((item) => {
    const { groupID, userID, messageID, readCount, unreadCount, isPeerRead } = item;
    // messageID - 消息 ID
    // userID - C2C 消息接收方
    // isPeerRead - C2C 消息对端是否已读
    // groupID - 群组 ID
    // readCount - 群消息已读人数
    // unreadCount - 群消息未读人数
    const message = chat.findMessage(messageID);
    if (message) {
     if (message.conversationType === TencentCloudChat.TYPES.CONV_C2C) {
       if (message.readReceiptInfo.isPeerRead === true) {
         // 对端已读
       }
     } else if (message.conversationType === TencentCloudChat.TYPES.CONV_GROUP) {
      if (message.readReceiptInfo.unreadCount === 0) {
        // 全部已读
      } else {
        // message.readReceiptInfo.readCount - 消息最新的已读数
        // 如果想要查询哪些群成员已读了此消息，请使用 [getGroupMessageReadMemberList] 接口
      }
     }
    }
  });
}
chat.on(TencentCloudChat.EVENT.MESSAGE_READ_RECEIPT_RECEIVED, onMessageReadReceiptReceived);

let onMessageExtensionsUpdated = function(event) {
  const { messageID, extensions } = event.data;
  // messageID - 消息 ID
  // extensions - 消息扩展信息
  extensions.forEach((item) => {
   const { key, value } = item;
   // key - 消息扩展 key
   // value - 消息扩展 key 对应的 value 值
  });
};
chat.on(TencentCloudChat.EVENT.MESSAGE_EXTENSIONS_UPDATED, onMessageExtensionsUpdated);

let onMessageExtensionsDeleted = function(event) {
  const { messageID, keyList } = event.data;
  // messageID - 消息 ID
  // keyList - 被删除的消息扩展 key 列表
  keyList.forEach((key) => {
   // console.log(key)
  });
};
chat.on(TencentCloudChat.EVENT.MESSAGE_EXTENSIONS_DELETED, onMessageExtensionsDeleted);

let onConversationListUpdated = function(event) {
  console.log(event.data); // 包含 Conversation 实例的数组
};
chat.on(TencentCloudChat.EVENT.CONVERSATION_LIST_UPDATED, onConversationListUpdated);

let onTotalUnreadMessageCountUpdated = function(event) {
  console.log(event.data); // 当前单聊和群聊会话的未读总数
};
chat.on(TencentCloudChat.EVENT.TOTAL_UNREAD_MESSAGE_COUNT_UPDATED, onTotalUnreadMessageCountUpdated);

let onConversationGroupListUpdated = function(event) {
  console.log(event.data); // 全量的会话分组名列表
}
chat.on(TencentCloudChat.EVENT.CONVERSATION_GROUP_LIST_UPDATED, onConversationGroupListUpdated);

let onConversationInGroupUpdated = function(event) {
  const { groupName, conversationList }  = event.data;
  // groupName - 会话分组名
  // conversationList - 分组内的会话列表
}
chat.on(TencentCloudChat.EVENT.CONVERSATION_IN_GROUP_UPDATED, onConversationInGroupUpdated);