tjc-sdk
Version:
TIANJI IM SDK
221 lines (200 loc) • 8.34 kB
JavaScript
/*
* Copyright (c) 2020 TianjiChat. All rights reserved.
*/
/**
*
message in json format
{
"conversation":{
"conversationType": 0,
"target": "UZUWUWuu",
"line": 0,
}
"from": "UZUWUWuu",
"content": {
"type": 1,
"searchableContent": "1234",
"pushContent": "",
"content": "",
"binaryContent": "",
"localContent": "",
"mediaType": 0,
"remoteMediaUrl": "",
"localMediaPath": "",
"mentionedType": 0,
"mentionedTargets": [ ]
},
"messageId": 52,
"direction": 1,
"status": 5,
"messageUid": 75735276990792720,
"timestamp": 1550849394256,
"to": ""
}
*/
import Conversation from '../model/conversation.js'
import NotificationMessageContent from './notification/notificationMessageContent.js'
import tjc from '../client/tjc.js'
import MessageConfig from '../client/messageConfig.js';
import UnknownMessageContent from './unknownMessageContent.js';
import PersistFlag from './persistFlag.js';
import MessageStatus from './messageStatus.js';
import ConversationType from '../model/conversationType.js';
import Config from '../config.js';
import Long from 'long'
import UnsupportMessageContent from "./unsupportMessageConten.js";
import RecallMessageNotification from "./notification/recallMessageNotification.js";
const base64ArrayBuffer = require('base64-arraybuffer');
export default class Message {
conversation = {};
from = '';
content = {}; // 实际是payload
messageContent = {};
messageId = 0;
direction = 0;
status = 0;
messageUid = -1;
timestamp = 0;
to = '';
localExtra = '';
constructor(conversation, messageContent) {
this.conversation = conversation;
this.messageContent = messageContent;
}
static fromProtoMessage(obj) {
if (!obj) {
return null;
}
if (!obj.conversation.target) {
return null;
}
// iOS，Android，Windows，OSX
if ([1, 2, 3, 4, 7, 8, 9].indexOf(Config.getTJCPlatform()) >= 0) {
let msg = Object.assign(new Message(), obj);
// big integer to number
msg.messageId = Number(msg.messageId);
msg.messageUid = Long.fromValue(msg.messageUid);
msg.timestamp = Long.fromValue(msg.timestamp).toNumber();
msg.localExtra = obj.localExtra;
if (!msg.from) {
// 移动端
msg.from = obj.sender;
}
msg.conversation = new Conversation(obj.conversation.conversationType !== undefined ? obj.conversation.conversationType : obj.conversation.type, obj.conversation.target, obj.conversation.line);
let contentClazz = MessageConfig.getMessageContentClazz(msg.content.type !== undefined ? msg.content.type : msg.content.messageContentType);
if (contentClazz) {
let content = new contentClazz();
try {
content.decode(msg.content);
if (content instanceof NotificationMessageContent) {
content.fromSelf = msg.from === tjc.getUserId();
}
} catch (error) {
console.error('decode message payload failed, fallback to unkownMessage', msg.content, error);
let flag = MessageConfig.getMessageContentPersitFlag(msg.content.type);
if (PersistFlag.Persist === flag || PersistFlag.Persist_And_Count === flag) {
content = new UnknownMessageContent(msg.content);
} else {
return null;
}
}
msg.messageContent = content;
if (content instanceof UnknownMessageContent) {
console.log('unknownMessage Content', obj)
}
} else {
console.error('message content not register', obj);
}
return msg;
} else {
let msg = new Message();
msg.from = obj.fromUser;
msg.content = obj.content;
msg.messageUid = obj.messageId;
msg.localExtra = obj.localExtra;
msg.timestamp = obj.serverTimestamp;
let contentClazz = MessageConfig.getMessageContentClazz(obj.content.type);
if (contentClazz) {
let content = new contentClazz();
if (obj.content.notLoaded) {
content.notLoaded = true;
content.type = obj.content.type;
} else {
try {
if (obj.content.data && obj.content.data.length > 0) {
obj.content.binaryContent = base64ArrayBuffer.encode(obj.content.data);
}
delete msg.content.data;
content.decode(obj.content);
content.extra = obj.content.extra;
if (content instanceof NotificationMessageContent) {
content.fromSelf = msg.from === tjc.getUserId();
}
} catch (error) {
console.error('decode message payload failed, fallback to unkownMessage', obj.content, error);
let flag = MessageConfig.getMessageContentPersitFlag(obj.content.type);
if (PersistFlag.Persist === flag || PersistFlag.Persist_And_Count === flag) {
content = new UnknownMessageContent(obj.content);
} else {
return null;
}
}
}
msg.messageContent = content;
if (content instanceof UnknownMessageContent) {
console.log('unknownMessage Content', obj)
}
} else {
console.error('message content not register', obj);
}
if (msg.from === tjc.getUserId()) {
msg.conversation = new Conversation(obj.conversation.type, obj.conversation.target, obj.conversation.line);
// out
msg.direction = 0;
msg.status = MessageStatus.Sent;
} else {
if (obj.conversation.type === ConversationType.Single) {
msg.conversation = new Conversation(obj.conversation.type, obj.fromUser, obj.conversation.line);
} else {
msg.conversation = new Conversation(obj.conversation.type, obj.conversation.target, obj.conversation.line);
}
// in
msg.direction = 1;
msg.status = MessageStatus.Unread;
if (msg.content.mentionedType === 2) {
msg.status = MessageStatus.AllMentioned;
} else if (msg.content.mentionedType === 1) {
for (const target of msg.content.mentionedTarget) {
if (target === tjc.getUserId()) {
msg.status = MessageStatus.Mentioned;
break;
}
}
}
}
return msg;
}
}
static messageContentFromMessagePayload(payload, from) {
let contentClazz = MessageConfig.getMessageContentClazz(payload.type);
if(!contentClazz){
contentClazz = UnsupportMessageContent;
}
let content = new contentClazz();
content.decode(payload);
let selfUid = tjc.getUserId();
if (content instanceof NotificationMessageContent) {
if (content instanceof RecallMessageNotification) {
if (content.operatorId === selfUid) {
content.fromSelf = true;
}
} else if (from === selfUid) {
content.fromSelf = true;
}
}
return content;
}
static toMessagePayload(message) {
return message.messageContent.encode();
}
}