demingshangjia/static/chatservice.js
2020-08-03 16:47:46 +08:00

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JavaScript
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/*
* @Author: jack.lu
* @Date: 2020-4-21 10:10:20
* @Last Modified by: jack.lu
* @Last Modified time: 2020-4-21 15:01:41
*/
import GoEasyIM from './goeasy-im-1.0.9.js'
//用户
function User(id, nickname, avatar) {
this.id = id;
this.nickname = nickname;
this.avatar = avatar;
}
//消息
function Message(senderUserId, senderNickname, content, type) {
this.senderNickname = senderNickname;
this.senderUserId = senderUserId;
this.content = content;
this.type = type
}
//聊天室
function Room(id, name, currentUser) {
this.id = id;
this.name = name;
this.currentUser = currentUser;
this.onlineUsers = {
count: 0,
users: []
};
this.messages = [];
this.MessageType = {
CHAT: 0,//文字聊天
PROP: 1//道具
};
this.Prop = {
HEART: 0,//桃心
ROCKET: 1//火箭
};
}
function ChatRoomService(room, user) {
this.room = new Room(room.id, room.name, user);
this.whenNewMessage = function () {
};
this.whenOnlineUserChange = function () {
};
}
//获取实例
ChatRoomService.prototype.connectGoEasyIM = function () {
this.im = GoEasyIM.getInstance({
appkey: 'BC-453aa755c4ea48148abefc55a86df283',
host: 'hangzhou.goeasy.io'
});
//监听网络连接成功
this.im.on(GoEasyIM.EVENT.CONNECTED, () => {
console.log('GoEasyIM网络连接成功');
//连接成功后,更新在线用户数和用户头像
this.initialOnlineUsers(this.room.id);
});
//监听网络连接断开
this.im.on(GoEasyIM.EVENT.DISCONNECTED, () => {
console.log('GoEasyIM网络断开')
});
//监听上下线提醒
this.listenerGroupPresence();
//监听新消息
this.listenerNewMessage();
var currentUser = this.room.currentUser;
//连接GoEasyIM
this.im.connect({
id: currentUser.id,
data: {
avatar: currentUser.avatar,
nickname: currentUser.nickname
}
}).then(() => {
console.log('连接成功');
this.initialChatHistory(this.room.id);
//订阅用户上下线事件
this.subscribePresence(this.room.id);
//订阅聊天室消息
this.subscribeRoomMessage(this.room.id);
}).catch(e => {
console.log(e);
console.log('连接失败');
});
};
ChatRoomService.prototype.initialWhenNewMessage = function (whenNewMessage) {
this.whenNewMessage = whenNewMessage;
};
ChatRoomService.prototype.initialWhenOnlineUserChange = function (whenOnlineUserChange) {
this.whenOnlineUserChange = whenOnlineUserChange;
};
//监听新消息
ChatRoomService.prototype.listenerNewMessage = function () {
this.im.on(GoEasyIM.EVENT.GROUP_MESSAGE_RECEIVED, (message) => {
var content = JSON.parse(message.payload.text);
this.addNewMessage(message);
this.whenNewMessage(content);
})
}
ChatRoomService.prototype.addNewMessage = function (message) {
var content = JSON.parse(message.payload.text);
let messageContent = "";
//聊天消息
if (content.type == this.room.MessageType.CHAT) {
messageContent = content.content;
}
//道具消息
if (content.type == this.room.MessageType.PROP) {
if (content.content == this.room.Prop.ROCKET) {
messageContent = "送出了一枚大火箭";
}
if (content.content == this.room.Prop.HEART) {
messageContent = "送出了一个大大的比心";
}
}
//添加消息
let newMessage = new Message(message.senderId, content.senderNickname, messageContent);
this.room.messages.push(newMessage);
};
//监听用户上下线
ChatRoomService.prototype.listenerGroupPresence = function () {
this.im.on(GoEasyIM.EVENT.GROUP_PRESENCE, (event) => {
//更新在线用户数
this.room.onlineUsers.count = event.groupOnlineCount;
if (event.action == 'join' || event.action == 'online') {
let userData = JSON.parse(event.userData);
//添加新用户
let user = new User(event.userId, userData.nickname, userData.avatar);
//添加在线用户,避免用户重复
if (!this.room.onlineUsers.users.find(item => item.id == event.userId)) {
this.room.onlineUsers.users.push(user);
}
//添加进入房间的消息
let message = new Message(event.userId, userData.nickname, " 进入房间", this.room.MessageType.CHAT);
this.room.messages.push(message);
} else {
let offlineUserIndex = this.room.onlineUsers.users.findIndex(item => item.id == event.userId);
if (offlineUserIndex > -1) {
//将离开的用户从onlineUsers中删掉
let offlineUser = Object.assign(this.room.onlineUsers.users[offlineUserIndex]);
this.room.onlineUsers.users.splice(offlineUserIndex, 1);
//添加离开消息
let message = new Message(offlineUser.id, offlineUser.nickname, " 离开房间", this.room.MessageType.CHAT)
this.room.messages.push(message);
}
}
this.whenOnlineUserChange(this.room.onlineUsers);
})
};
//查询和初始化在线用户列表和在线用户数
ChatRoomService.prototype.initialOnlineUsers = function (roomId) {
let self = this;
//查询最新上线的用户列表
this.im.groupHereNow(roomId)
.then(result => {
if (result.code == 200) {
let users = [];
result.content && result.content.map(function (onlineUser) {
let userData = JSON.parse(onlineUser.userData);
let user = new User(onlineUser.userId, userData.nickname, userData.avatar);
users.push(user);
});
self.room.onlineUsers = {
users: users
};
}
}).catch(e => {
if (e.code == 401) {
console.log("您还没有开通用户在线状态提醒登录goeasy->我的应用->查看详情->高级功能,自助开通.");
} else {
console.log(e);
}
});
//获取聊天室在线用户数
this.im.groupOnlineCount(roomId)
.then(result => {
this.room.onlineUsers.count = result.content.onlineCount;
}).catch(e => {
console.log(e)
})
};
//订阅聊天室成员上下线
ChatRoomService.prototype.subscribePresence = function (roomId) {
this.im.subscribeGroupPresence([roomId])
.then(() => {
console.log('成员上下线订阅成功')
}).catch(e => {
console.log(e)
})
}
//订阅聊天室消息
ChatRoomService.prototype.subscribeRoomMessage = function (roomId) {
this.im.subscribeGroup([roomId])
.then(result => {
console.log('消息订阅成功')
}).catch(e => {
console.log(e)
})
}
//历史消息
ChatRoomService.prototype.initialChatHistory = function (roomId) {
var self = this;
this.im.history({
groupId: roomId
}).then(res => {
res.content.forEach(function (message) {
self.addNewMessage(message);
})
}).catch(function (error) {
if (error.code == 401) {
console.log("您还没有开通历史消息的权限登录goeasy->我的应用->查看详情->高级功能,自助开通.");
} else {
console.log(error);
}
})
};
//发送消息
ChatRoomService.prototype.sendMessages = function (roomId, content) {
var contentMessage = {
text: JSON.stringify(content)
};
let message = this.im.createTextMessage(contentMessage);
this.im.sendGroupMessage(roomId, message)
.then(() => {
console.log('消息发送成功')
}).catch(e => {
console.log(e);
})
};
//退出聊天室
ChatRoomService.prototype.quitRoom = function (roomId) {
this.im.disconnect()
};
module.exports = ChatRoomService;