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本地缓存消息优化(冷热数据分离)

master
xsx 10 months ago
parent
9be62faf38
commit
aba495227c
3 changed files with 94 additions and 33 deletions
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  1. 2
      im-platform/src/main/java/com/bx/implatform/task/schedule/FileExpireTask.java
  2. 65
      im-uniapp/store/chatStore.js
  3. 60
      im-web/src/store/chatStore.js

2
im-platform/src/main/java/com/bx/implatform/task/schedule/FileExpireTask.java
View File

@ -34,7 +34,7 @@ public class FileExpireTask {
private final MinioProperties minioProps;
@RedisLock(prefixKey = RedisKey.IM_LOCK_FILE_TASK)
@Scheduled(cron = "0 * * * * ?")
@Scheduled(cron = "0 0 3 * * ?")
public void run() {
log.info("【定时任务】过期文件处理...");
int batchSize = 100;

65
im-uniapp/store/chatStore.js
View File

@ -22,7 +22,8 @@ export default defineStore('chatStore', {
chat.stored = false;
// 清理多余的消息，避免消息过多导致卡顿
if (UNI_APP.MAX_MESSAGE_SIZE > 0 && chat.messages.length > UNI_APP.MAX_MESSAGE_SIZE) {
chat.messages = chat.messages.slice(0, UNI_APP.MAX_MESSAGE_SIZE);
let idx = chat.messages.length - UNI_APP.MAX_MESSAGE_SIZE;
chat.messages = chat.messages.slice(idx);
}
// 暂存至缓冲区
cacheChats.push(JSON.parse(JSON.stringify(chat)));
@ -64,6 +65,7 @@ export default defineStore('chatStore', {
lastContent: "",
lastSendTime: new Date().getTime(),
unreadCount: 0,
hotMinIdx: 0,
messages: [],
atMe: false,
atAll: false,
@ -244,24 +246,28 @@ export default defineStore('chatStore', {
deleteMessage(msgInfo, chatInfo) {
// 获取对方id或群id
let chat = this.findChat(chatInfo);
let isColdMessage = false;
for (let idx in chat.messages) {
// 已经发送成功的，根据id删除
if (chat.messages[idx].id && chat.messages[idx].id == msgInfo.id) {
chat.messages.splice(idx, 1);
isColdMessage = idx < chat.hotMinIdx;
break;
}
// 正在发送中的消息可能没有id，只有临时id
if (chat.messages[idx].tmpId && chat.messages[idx].tmpId == msgInfo.tmpId) {
chat.messages.splice(idx, 1);
isColdMessage = idx < chat.hotMinIdx;
break;
}
}
chat.stored = false;
this.saveToStorage();
this.saveToStorage(isColdMessage);
},
recallMessage(msgInfo, chatInfo) {
let chat = this.findChat(chatInfo);
if (!chat) return;
let isColdMessage = false;
// 要撤回的消息id
let id = msgInfo.content;
let name = msgInfo.selfSend ? '你' : chat.type == 'PRIVATE' ? '对方' : msgInfo.sendNickName;
@ -279,6 +285,7 @@ export default defineStore('chatStore', {
if (!msgInfo.selfSend && msgInfo.status != MESSAGE_STATUS.READED) {
chat.unreadCount++;
}
isColdMessage = idx < chat.hotMinIdx;
}
// 被引用的消息也要撤回
if (m.quoteMessage && m.quoteMessage.id == msgInfo.id) {
@ -288,7 +295,7 @@ export default defineStore('chatStore', {
}
}
chat.stored = false;
this.saveToStorage();
this.saveToStorage(isColdMessage);
},
updateChatFromFriend(friend) {
let chat = this.findChatByFriend(friend.id)
@ -336,20 +343,19 @@ export default defineStore('chatStore', {
}
},
refreshChats() {
if (!cacheChats) {
return;
}
if (!cacheChats) return;
// 排序
cacheChats.sort((chat1, chat2) => {
return chat2.lastSendTime - chat1.lastSendTime;
});
cacheChats.sort((chat1, chat2) => chat2.lastSendTime - chat1.lastSendTime);
// 记录热数据索引位置
cacheChats.forEach(chat => chat.hotMinIdx = chat.messages.length);
// 将消息一次性装载回来
this.chats = cacheChats;
// 清空缓存，不再使用
// 清空缓存,不再使用
cacheChats = null;
this.saveToStorage();
// 消息持久化
this.saveToStorage(true);
},
saveToStorage(state) {
saveToStorage(withColdMessage) {
// 加载中不保存，防止卡顿
if (this.isLoading()) {
return;
@ -362,12 +368,27 @@ export default defineStore('chatStore', {
this.chats.forEach((chat) => {
let chatKey = `${key}-${chat.type}-${chat.targetId}`
if (!chat.stored) {
chat.stored = true;
if (chat.delete) {
uni.removeStorageSync(chatKey);
} else {
uni.setStorageSync(chatKey, chat);
// 存储冷数据
if (withColdMessage) {
let coldChat = Object.assign({}, chat);
coldChat.messages = chat.messages.slice(0, chat.hotMinIdx);
uni.setStorageSync(chatKey, coldChat)
}
// 存储热消息
let hotKey = chatKey + '-hot';
if (chat.messages.length > chat.hotMinIdx) {
let hotChat = Object.assign({}, chat);
hotChat.messages = chat.messages.slice(chat.hotMinIdx)
uni.setStorageSync(hotKey, hotChat);
console.log("热数据：",hotChat.messages.length)
} else {
uni.removeStorageSync(hotKey);
}
}
chat.stored = true;
}
if (!chat.delete) {
chatKeys.push(chatKey);
@ -391,20 +412,26 @@ export default defineStore('chatStore', {
this.loadingPrivateMsg = false;
this.loadingGroupMsg = false;
},
loadChat(context) {
loadChat() {
return new Promise((resolve, reject) => {
let userStore = useUserStore();
let userId = userStore.userInfo.id;
let chatsData = uni.getStorageSync("chats-app-" + userId)
if (chatsData) {
if (chatsData.chatKeys) {
let time = new Date().getTime();
chatsData.chats = [];
chatsData.chatKeys.forEach(key => {
let chat = uni.getStorageSync(key);
if (chat) {
chatsData.chats.push(chat);
let coldChat = uni.getStorageSync(key);
let hotChat = uni.getStorageSync(key + '-hot');
if (!coldChat && hotChat) {
return;
}
// 冷热消息合并
let chat = Object.assign({}, coldChat, hotChat);
if (hotChat && coldChat) {
chat.messages = coldChat.messages.concat(hotChat.messages)
}
chatsData.chats.push(chat);
})
}
this.initChats(chatsData);

60
im-web/src/store/chatStore.js
View File

@ -69,6 +69,7 @@ export default defineStore('chatStore', {
lastContent: "",
lastSendTime: new Date().getTime(),
unreadCount: 0,
hotMinIdx: 0,
messages: [],
atMe: false,
atAll: false,
@ -246,24 +247,28 @@ export default defineStore('chatStore', {
},
deleteMessage(msgInfo, chatInfo) {
let chat = this.findChat(chatInfo);
let isColdMessage = false;
for (let idx in chat.messages) {
// 已经发送成功的，根据id删除
if (chat.messages[idx].id && chat.messages[idx].id == msgInfo.id) {
chat.messages.splice(idx, 1);
isColdMessage = idx < chat.hotMinIdx;
break;
}
// 正在发送中的消息可能没有id，只有临时id
if (chat.messages[idx].tmpId && chat.messages[idx].tmpId == msgInfo.tmpId) {
chat.messages.splice(idx, 1);
isColdMessage = idx < chat.hotMinIdx;
break;
}
}
chat.stored = false;
this.saveToStorage();
this.saveToStorage(isColdMessage);
},
recallMessage(msgInfo, chatInfo) {
let chat = this.findChat(chatInfo);
if (!chat) return;
let isColdMessage = false;
// 要撤回的消息id
let id = msgInfo.content;
let name = msgInfo.selfSend ? '你' : chat.type == 'PRIVATE' ? '对方' : msgInfo.sendNickName;
@ -281,6 +286,7 @@ export default defineStore('chatStore', {
if (!msgInfo.selfSend && msgInfo.status != MESSAGE_STATUS.READED) {
chat.unreadCount++;
}
isColdMessage = idx < chat.hotMinIdx;
}
// 被引用的消息也要撤回
if (m.quoteMessage && m.quoteMessage.id == msgInfo.id) {
@ -290,7 +296,7 @@ export default defineStore('chatStore', {
}
}
chat.stored = false;
this.saveToStorage();
this.saveToStorage(isColdMessage);
},
updateChatFromFriend(friend) {
let chat = this.findChatByFriend(friend.id);
@ -338,20 +344,19 @@ export default defineStore('chatStore', {
}
},
refreshChats() {
if (!cacheChats) {
return;
}
if (!cacheChats) return;
// 排序
cacheChats.sort((chat1, chat2) => {
return chat2.lastSendTime - chat1.lastSendTime;
});
cacheChats.sort((chat1, chat2) => chat2.lastSendTime - chat1.lastSendTime);
// 记录热数据索引位置
cacheChats.forEach(chat => chat.hotMinIdx = chat.messages.length);
// 将消息一次性装载回来
this.chats = cacheChats;
// 清空缓存
cacheChats = null;
this.saveToStorage();
// 持久化消息
this.saveToStorage(true);
},
saveToStorage() {
saveToStorage(withColdMessage) {
// 加载中不保存，防止卡顿
if (this.isLoading()) {
return;
@ -365,12 +370,26 @@ export default defineStore('chatStore', {
// 只存储有改动的会话
let chatKey = `${key}-${chat.type}-${chat.targetId}`
if (!chat.stored) {
chat.stored = true;
if (chat.delete) {
localForage.removeItem(chatKey);
} else {
localForage.setItem(chatKey, chat);
// 存储冷数据
if (withColdMessage) {
let coldChat = Object.assign({}, chat);
coldChat.messages = chat.messages.slice(0, chat.hotMinIdx);
localForage.setItem(chatKey, coldChat)
}
// 存储热消息
let hotKey = chatKey + '-hot';
if (chat.messages.length > chat.hotMinIdx) {
let hotChat = Object.assign({}, chat);
hotChat.messages = chat.messages.slice(chat.hotMinIdx)
localForage.setItem(hotKey, hotChat)
} else {
localForage.removeItem(hotKey);
}
}
chat.stored = true;
}
if (!chat.delete) {
chatKeys.push(chatKey);
@ -403,9 +422,24 @@ export default defineStore('chatStore', {
const promises = [];
chatsData.chatKeys.forEach(key => {
promises.push(localForage.getItem(key))
promises.push(localForage.getItem(key + "-hot"))
})
Promise.all(promises).then(chats => {
chatsData.chats = chats.filter(o => o);
chatsData.chats = [];
// 偶数下标为冷消息，奇数下标为热消息
for (let i = 0; i < chats.length; i += 2) {
if (!chats[i] && !chats[i + 1]) {
continue;
}
let coldChat = chats[i];
let hotChat = chats[i + 1];
// 冷热消息合并
let chat = Object.assign({}, coldChat, hotChat);
if (hotChat && coldChat) {
chat.messages = coldChat.messages.concat(hotChat.messages)
}
chatsData.chats.push(chat);
}
this.initChats(chatsData);
resolve();
})

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