From 1d807ab18f39493871704b8784837b0f62e60312 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=91=E6=96=87=E5=8F=AF?= <1041367524@qq.com>
Date: Thu, 12 May 2022 15:55:05 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B6=88=E6=81=AF=E5=88=97=E8=A1=A8?=
 =?UTF-8?q?=E5=AF=B9=E6=8E=A5?=
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Content-Transfer-Encoding: 8bit

---
 src/store/modules/chat/chat.js |  99 +++++++++++++++++++------
 src/views/chat/index.vue       | 132 ++++++++-------------------------
 src/views/chat/message.vue     |  47 ++++++++++--
 3 files changed, 143 insertions(+), 135 deletions(-)

diff --git a/src/store/modules/chat/chat.js b/src/store/modules/chat/chat.js
index 0b409e2..6fc84d7 100644
--- a/src/store/modules/chat/chat.js
+++ b/src/store/modules/chat/chat.js
@@ -7,25 +7,37 @@ const state = () => ({
     queue: [],
     task: [],
     sessionData: {},
+    currentSession: null,
+    messageList: [],
+    messageType: ['', 'text'],
 });
-const getters = {};
+const getters = {
+    parseTime: () => {
+        return (timestamp) => {
+            dayjs(new Date(timestamp)).format('MM-DD HH:mm:ss');
+        };
+    },
+    parseContent: () => {
+        return (payload) => {
+            payload = JSON.parse(payload);
+            if ('text' in payload) {
+                payload = payload.text;
+            } else {
+                payload = '[未知消息]';
+            }
+            return payload;
+        };
+    },
+};
 const mutations = {
     setSocket: (state, data) => (state.socket = data),
     setHeart: (state, data) => (state.heart = data),
     setTask: (state, data) => (state.task = data),
     addTask: (state, data) => state.task.push(data),
     delTask: (state, data) => state.task.splice(data, 1),
-    receive: (state, { code, traceType, content }) => {
-        if (code === 200) {
-            switch (traceType) {
-                case 27:
-                    state.sessionData = content;
-                    break;
-                default:
-                    break;
-            }
-        }
-    },
+    setCurrentSession: (state, data) => (state.currentSession = data),
+    setSessionData: (state, data) => (state.sessionData = data),
+    setMessageList: (state, data) => (state.messageList = data),
 };
 const actions = {
     /**
@@ -36,17 +48,7 @@ const actions = {
             if (window.WebSocket) {
                 const socket = new WebSocket('ws://192.168.10.93:8090/ws?client=' + token);
                 socket.onmessage = ({ data }) => {
-                    data = JSON.parse(data);
-                    if (data.traceType !== 0) {
-                        let index = state.task.findIndex((item) => item.traceId === data.traceId);
-                        if (index !== -1) {
-                            commit('delTask', index);
-                            commit('receive', data);
-                            console.info('[chat] msg', data);
-                        } else {
-                            console.info('[chat] deprecated', data);
-                        }
-                    }
+                    dispatch('receive', data);
                 };
                 socket.onopen = () => {
                     commit(
@@ -110,7 +112,47 @@ const actions = {
         }
     },
     /**
-     * 查询回话列表
+     * 接收数据
+     */
+    receive: ({ state, commit, dispatch }, data) => {
+        data = JSON.parse(data);
+        if (data.traceType !== 0) {
+            let index = state.task.findIndex((item) => item.traceId === data.traceId);
+            if (index !== -1) {
+                commit('delTask', index);
+                dispatch('handle', data);
+                console.info('[chat] msg', data);
+            } else {
+                console.info('[chat] deprecated', data);
+            }
+        }
+    },
+    handle: ({ state, commit, dispatch }, { code, traceType, content, session }) => {
+        if (code === 200) {
+            switch (traceType) {
+                // 收到消息
+                case 25:
+                    if (session.id === state.currentSession) {
+                        commit('setMessageList', [...state.messageList, content.content]);
+                    } else {
+                        dispatch('querySession');
+                    }
+                    break;
+                // 会话列表
+                case 27:
+                    commit('setSessionData', content);
+                    break;
+                // 消息列表
+                case 28:
+                    commit('setMessageList', content);
+                    break;
+                default:
+                    break;
+            }
+        }
+    },
+    /**
+     * 查询会话列表
      */
     querySession: ({ dispatch }) => {
         dispatch('invoke', {
@@ -118,6 +160,15 @@ const actions = {
             content: { storeId: 1 },
         });
     },
+    /**
+     * 查询会话消息列表
+     */
+    querySessionMessage: ({ state, dispatch }) => {
+        dispatch('invoke', {
+            traceType: 28,
+            content: { sessionId: state.currentSession, size: 100, topMessageId: null },
+        });
+    },
 };
 export default {
     state,
diff --git a/src/views/chat/index.vue b/src/views/chat/index.vue
index 611f942..9c869b3 100644
--- a/src/views/chat/index.vue
+++ b/src/views/chat/index.vue
@@ -1,6 +1,5 @@
 <template>
     <div class="chat-container" @click="emojiVisible = false">
-        {{ $store.state.chat }}
         <div class="header">
             <p>当前客服：小爱</p>
             <el-button type="text" @click="summaryVisible = !summaryVisible">
@@ -23,8 +22,8 @@
                         v-for="(item, index) in sessionList"
                         :key="index"
                         class="session-item"
-                        :class="{ active: state.currentIndex === index }"
-                        @click="handleChangeSession(index)"
+                        :class="{ active: currentSessionId === item.id }"
+                        @click="handleChangeSession(item.id)"
                     >
                         <el-badge
                             class="session-count"
@@ -37,20 +36,24 @@
                         <div class="session-info">
                             <div class="row">
                                 <div class="session-name">{{ item.fromNickname }}</div>
-                                <div class="session-time">{{ parseTime(item.lastMessage.createTimeStamp) }}</div>
+                                <div class="session-time">
+                                    {{ store.getters['chat/parseTime'](item.lastMessage.createTimeStamp) }}
+                                </div>
                             </div>
                             <div class="row">
-                                <div class="session-content">{{ parseContent(item.lastMessage.payload) }}</div>
+                                <div class="session-content">
+                                    {{ store.getters['chat/parseContent'](item.lastMessage.payload) }}
+                                </div>
                             </div>
                         </div>
                     </li>
                 </el-scrollbar>
             </div>
-            <div class="content">
+            <div v-if="currentSession" class="content">
                 <div class="content-header">
                     <div class="content-header-left">
-                        <div class="name sex-1">
-                            {{ currentSession?.name }}
+                        <div class="name" :class="{ [`sex-` + currentSession?.fromSex]: true }">
+                            {{ currentSession?.fromNickname }}
                         </div>
                     </div>
                     <div class="content-header-right">
@@ -65,7 +68,12 @@
                     </div>
                 </div>
                 <el-scrollbar ref="refsMessageList" class="message-list">
-                    <message-item v-for="(item, index) in sessionMessageList" :key="index" :message="item" />
+                    <message-item
+                        v-for="(item, index) in sessionMessageList"
+                        :key="index"
+                        :message="item"
+                        :session="currentSession"
+                    />
                 </el-scrollbar>
                 <div class="operation-bar">
                     <el-button type="text" @click.stop="emojiVisible = !emojiVisible">
@@ -104,6 +112,7 @@
                     <el-button type="primary" @click="handleSendMessage">发送</el-button>
                 </div>
             </div>
+            <div v-else class="content empty">请点击左侧会话列表与买家进行聊天</div>
         </div>
     </div>
 </template>
@@ -125,106 +134,18 @@
     });
 
     // 会话
+    const currentSessionId = computed(() => store.state.chat.currentSession);
     const state = reactive({
-        currentIndex: 0,
         message: '',
     });
     const sessionList = computed(() => {
         return store.state.chat.sessionData?.sessionVOS || [];
     });
-    const currentSession = computed(() => {
-        return sessionList[state.currentIndex];
-    });
-    // 格式化时间戳
-    const parseTime = (timestamp) => dayjs(new Date(timestamp)).format('MM-DD HH:mm:ss');
-
-    const parseContent = (payload) => {
-        payload = JSON.parse(payload);
-        if ('text' in payload) {
-            payload = payload.text;
-        } else {
-            payload = '[未知消息]';
-        }
-        return payload;
-    };
-    const sessionMessageList = reactive([
-        {
-            type: 'text',
-            content: '你好，请问这个能有优惠吗？',
-            time: '2019-12-12',
-            from: 'customer',
-            avatar: 'https://placem.at/people',
-            name: '小可爱',
-        },
-        {
-            type: 'notify',
-            content: '小马 将该会话转移给 小艾，并留言：发货问题',
-            time: '2019-12-12',
-            from: 'system',
-        },
-        {
-            type: 'text',
-            content: '没有',
-            time: '2019-12-12',
-            from: 'employee',
-            avatar: 'https://placem.at/people',
-            name: '小爱',
-        },
-        {
-            type: 'product',
-            content: `{
-                "id": 18,
-                "name": "柏战K20青轴机械键盘 混光机械键盘青轴电竞网吧游戏键盘电脑键盘",
-                "categoryId": 51,
-                "startingPrice": 79.0,
-                "totalStock": 1200,
-                "mainPicture": "https://msb-edu-dev.oss-cn-beijing.aliyuncs.com/mall-product/productO1CN011nFEoP1DrheUNhNgU_!!3435280270-0-cib.jpg",
-                "remoteAreaPostage": 10.0,
-                "singleBuyLimit": 0,
-                "isEnable": true,
-                "remark": "柏战K20青轴机械键盘 混光机械键盘青轴电竞网吧游戏键盘电脑键盘"
-            }`,
-            time: '2019-12-12',
-            from: 'customer',
-            avatar: 'https://placem.at/people',
-            name: '小可爱',
-        },
-        {
-            type: 'order',
-            content: `{
-                "orderId": 392016,
-                "orderNo": "6391f99d063e",
-                "userId": 513,
-                "userPhone": "17683712911",
-                "payAmount": 859.0,
-                "orderStatus": 2,
-                "orderStatusDesc": "已关闭",
-                "payType": 1,
-                "payTypeDesc": "未支付",
-                "orderSource": 2,
-                "orderSourceDesc": "安卓端APP",
-                "submitTime": "2022-05-10 20:36:59",
-                "product": {
-                    "id": 18,
-                    "name": "柏战K20青轴机械键盘 混光机械键盘青轴电竞网吧游戏键盘电脑键盘",
-                    "categoryId": 51,
-                    "startingPrice": 79.0,
-                    "totalStock": 1200,
-                    "mainPicture": "https://msb-edu-dev.oss-cn-beijing.aliyuncs.com/mall-product/productO1CN011nFEoP1DrheUNhNgU_!!3435280270-0-cib.jpg",
-                    "remoteAreaPostage": 10.0,
-                    "singleBuyLimit": 0,
-                    "isEnable": true,
-                    "remark": "柏战K20青轴机械键盘 混光机械键盘青轴电竞网吧游戏键盘电脑键盘"
-                }
-            }`,
-            time: '2019-12-12',
-            from: 'customer',
-            avatar: 'https://placem.at/people',
-            name: '小可爱',
-        },
-    ]);
-    const handleChangeSession = (index) => {
-        state.currentIndex = index;
+    const currentSession = computed(() => sessionList.value.find((item) => item.id === currentSessionId.value));
+    const sessionMessageList = computed(() => store.state.chat.messageList);
+    const handleChangeSession = (id) => {
+        store.commit('chat/setCurrentSession', id);
+        store.dispatch('chat/querySessionMessage');
     };
 
     // 表情
@@ -384,6 +305,11 @@
                 flex: 1;
                 display: flex;
                 flex-direction: column;
+                &.empty {
+                    justify-content: center;
+                    align-items: center;
+                    color: #999;
+                }
                 .content-header {
                     height: 60px;
                     display: flex;
diff --git a/src/views/chat/message.vue b/src/views/chat/message.vue
index 0d12e53..150281e 100644
--- a/src/views/chat/message.vue
+++ b/src/views/chat/message.vue
@@ -2,16 +2,16 @@
     <div
         class="message-item"
         :class="{
-            [`--${props.message.type}`]: true,
-            '--self': props.message.from === 'employee',
+            [`--${messageType[props.message.type]}`]: true,
+            '--self': props.message.fromId === props.session.fromId,
         }"
     >
-        <div v-if="props.message.avatar" class="avatar">
-            <el-avatar :src="props.message.avatar" />
+        <div class="avatar">
+            <el-avatar :src="props.session.fromAvatar" />
         </div>
         <div class="message-body">
             <div class="name">
-                {{ props.message.name }}
+                {{ props.session.fromNickname }}
             </div>
             <el-card v-if="props.message.type === 'product'" class="shadow">
                 <template #header>
@@ -59,23 +59,54 @@
                     <el-button>查看详情</el-button>
                 </div>
             </el-card>
-            <div v-else class="content" :class="{ shadow: props.message.type === 'text' }">
-                {{ props.message.content }}
+            <div v-else class="content" :class="{ shadow: messageType[props.message.type] === 'text' }">
+                {{ store.getters['chat/parseContent'](props.message.payload) }}
             </div>
         </div>
         <div v-if="props.message.type !== 'notify'" class="time">
-            {{ props.message.time }}
+            {{ store.getters['chat/parseTime'](props.message.createTimeStamp) }}
         </div>
     </div>
 </template>
 
 <script setup>
+    /**
+     * 消息体结构
+        {
+            "code": 200,
+            "content": {
+                "createTimeStamp": "消息的创建时间戳",
+                "fromId": "消息发送人id",
+                "id": "消息id",
+                "payload": "{'text':'你好我是客服小王'}",
+                "traceId": "uuid",
+                "traceType": 23,
+                "sessionId": "消息所属会话id",
+                "messageIndex": "会话中消息的顺序",
+                "type": "消息的类型"
+            },
+            "session": {
+                "fromAvatar": "消息所属会话的对面人头像",
+                "fromId": "消息所属会话的对面人id",
+                "fromNickname": "消息所属会话的对面人昵称",
+                "id": "消息id",
+                "sysId": "系统id",
+                "type": "消息类型"
+            }
+        }
+     */
+    const store = useStore();
     const props = defineProps({
+        session: {
+            type: Object,
+            required: true,
+        },
         message: {
             type: Object,
             required: true,
         },
     });
+    const messageType = computed(() => store.state.chat.messageType);
     const product = computed(() => {
         return props.message.type === 'product' ? JSON.parse(props.message.content) : {};
     });