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import {
computed,
nextTick,
onBeforeUnmount,
onMounted,
ref,
watch,
} from "vue";
import { RouterLink, useRoute } from "vue-router";
import {
PjActionGroup,
PjButton,
PjField,
PjPageContainer,
PjStatusNotice,
PjSurface,
} from "@plain-journal/ui";
import {
useAdminChatStore,
type AdminChatOperationPhase,
} from "../entities/admin-chat";
import { useStaffSessionStore } from "../stores/session";
const route = useRoute();
const session = useStaffSessionStore();
const chat = useAdminChatStore();
const draft = ref("");
const messageLog = ref<HTMLElement | null>(null);
const roles = computed(() => session.profile?.roles ?? []);
const accessContext = computed(() => ({
authorized: Boolean(
session.authenticated
&& roles.value.some((role) => ["ADMIN", "OPERATOR"].includes(role)),
),
operatorId: session.profile?.id ?? null,
accessToken: session.accessToken,
}));
const routeConversationId = computed(() => {
const value = route.params.conversationId;
return typeof value === "string" && /^[0-9]+$/u.test(value)
? value
: null;
});
function formatTimestamp(value: string): string {
return new Date(value).toLocaleString("zh-CN", {
month: "2-digit",
day: "2-digit",
hour: "2-digit",
minute: "2-digit",
});
}
function formatBytes(value: number): string {
if (value < 1024) {
return `${value} B`;
}
if (value < 1024 * 1024) {
return `${(value / 1024).toFixed(1)} KB`;
}
return `${(value / (1024 * 1024)).toFixed(1)} MB`;
}
function assignmentLabel(assignedAgentId: string | null): string {
if (!assignedAgentId) {
return "等待认领";
}
return assignedAgentId === chat.operatorId
? "由我处理"
: "其他客服处理中";
}
function messageStatus(value: string): string {
return {
STORED: "已保存",
PERSISTED: "已保存",
DISPATCHED: "已进入投递",
DELIVERED: "已送达",
READ: "已读",
}[value] ?? value;
}
function operationTone(phase: AdminChatOperationPhase) {
return {
idle: "neutral",
processing: "processing",
unknown: "unknown",
accepted: "success",
rejected: "danger",
}[phase] as
| "neutral"
| "processing"
| "unknown"
| "success"
| "danger";
}
function operationTitle(phase: AdminChatOperationPhase) {
return {
idle: "客服操作",
processing: "客服操作正在确认",
unknown: "客服操作结果未知",
accepted: "客服操作已确认",
rejected: "客服操作未被接受",
}[phase];
}
async function refreshWorkspace() {
await chat.refresh(accessContext.value, routeConversationId.value);
}
async function claim() {
const active = chat.activeConversation;
if (active) {
await chat.claimConversation(accessContext.value, active.id);
}
}
async function sendMessage() {
const value = await chat.sendText(accessContext.value, draft.value);
if (value) {
draft.value = "";
}
}
async function retrySend() {
const value = await chat.retryPendingSend(accessContext.value);
if (value) {
draft.value = "";
}
}
async function closeActiveConversation() {
await chat.closeConversation(accessContext.value);
}
watch(accessContext, (context) => {
void chat.updateAccess(context);
});
watch(routeConversationId, (conversationId) => {
void chat.updateRoute(accessContext.value, conversationId);
});
watch(
() => [chat.operatorId, chat.pendingSend?.clientMessageId] as const,
([operatorId, pendingKey], previous) => {
const previousOperatorId = previous?.[0] ?? null;
if (operatorId !== previousOperatorId) {
draft.value = chat.pendingSend?.content ?? "";
return;
}
if (pendingKey) {
draft.value = chat.pendingSend?.content ?? "";
}
},
{ immediate: true },
);
watch(
() => chat.messages.length,
async () => {
await nextTick();
if (messageLog.value) {
messageLog.value.scrollTop = messageLog.value.scrollHeight;
}
},
);
onMounted(() => {
void chat.start(accessContext.value, routeConversationId.value);
});
onBeforeUnmount(() => {
chat.stop();
});
</script>
<template>
<PjPageContainer as="section" size="wide" class="chat-page">
<header class="chat-hero">
<div>
<p class="eyebrow">Chat 所有者域</p>
<h1>客服会话</h1>
<p>
队列只暴露会话摘要。客服成为会话成员后，页面才读取 MySQL 中的私聊正文；
WebSocket 负责提示新事实，不承担发送成功或最终状态证明。
</p>
</div>
<span
class="chat-realtime"
:data-connected="chat.realtimeStatus === 'connected'"
>
{{ chat.realtimeStatus === "connected" ? "实时可用" : "历史查询可用" }}
</span>
</header>
<PjStatusNotice
:tone="chat.realtimeStatus === 'connected' ? 'neutral' : 'warning'"
title="可靠 REST 与实时提示保持分工"
>
<p>
消息先通过可靠 REST 持久化，再由实时链路提示页面刷新。实时连接失败不会被解释为
消息未保存或已送达；连接恢复使用新的短期单次票据。
</p>
<p>{{ chat.realtimeMessage }}</p>
<template v-if="chat.realtimeStatus !== 'connected'" #actions>
<PjButton
type="button"
variant="text"
@click="chat.restartRealtime(accessContext)"
>
重新建立实时连接
</PjButton>
</template>
</PjStatusNotice>
<PjStatusNotice
v-if="chat.operationPhase !== 'idle' && chat.operationMessage"
:tone="operationTone(chat.operationPhase)"
:title="operationTitle(chat.operationPhase)"
:assertive="chat.operationPhase === 'rejected'"
>
<p>{{ chat.operationMessage }}</p>
<p v-if="chat.pendingOperation">
待确认操作：{{ chat.pendingOperation.kind === "claim" ? "认领" : "关闭" }}；
会话 <code>{{ chat.pendingOperation.conversationId }}</code>。
</p>
<template #actions>
<PjActionGroup>
<PjButton
v-if="chat.canRetryOperation"
type="button"
:loading="
chat.claimingConversationId !== null
|| chat.closingConversationId !== null
"
@click="chat.retryPendingOperation(accessContext)"
>
对同一会话安全重试
</PjButton>
<PjButton
v-if="!chat.pendingOperation"
type="button"
variant="text"
@click="chat.resetOperationNotice"
>
关闭提示
</PjButton>
</PjActionGroup>
</template>
</PjStatusNotice>
<PjStatusNotice
v-if="chat.error"
tone="danger"
title="Chat 事实读取未完成"
assertive
>
<p>{{ chat.error }}</p>
<p v-if="chat.conversations.length > 0">
页面保留已经确认的队列事实，没有把读取失败伪装成空队列。
</p>
</PjStatusNotice>
<div class="chat-workspace">
<PjSurface
as="aside"
tone="plain"
padding="none"
class="chat-queue"
>
<header class="chat-panel-header">
<div>
<p class="eyebrow">OPEN 队列</p>
<h2>等待与已认领会话</h2>
</div>
<PjButton
type="button"
variant="text"
:loading="chat.loadingConversations"
@click="refreshWorkspace"
>
重新读取
</PjButton>
</header>
<div
v-if="chat.loadingConversations && chat.conversations.length === 0"
class="chat-state"
role="status"
>
正在读取客服队列…
</div>
<div
v-else-if="chat.conversations.length === 0"
class="chat-state"
>
当前没有开放会话。
</div>
<nav v-else class="chat-list" aria-label="客服会话队列">
<RouterLink
v-for="item in chat.conversations"
:key="item.id"
:to="{
name: 'chat-workspace-detail',
params: { conversationId: item.id },
}"
>
<span>
<strong>{{ item.subject }}</strong>
<small>{{ item.conversationNo }}</small>
<small>顾客 {{ item.customerId }}</small>
</span>
<span>
{{ assignmentLabel(item.assignedAgentId) }}
<small v-if="item.unreadCount > 0">{{ item.unreadCount }} 条未读</small>
</span>
</RouterLink>
</nav>
</PjSurface>
<PjSurface
v-if="chat.activeConversation"
as="section"
tone="plain"
padding="none"
class="chat-thread"
>
<header class="chat-panel-header chat-thread__header">
<div>
<p class="eyebrow">{{ chat.activeConversation.conversationNo }}</p>
<h2>{{ chat.activeConversation.subject }}</h2>
</div>
<div class="chat-thread__status">
<span class="status-label">{{ chat.activeConversation.status }}</span>
<PjButton
v-if="
chat.assignedToMe
&& chat.activeConversation.status === 'OPEN'
"
type="button"
variant="text"
:loading="
chat.closingConversationId === chat.activeConversation.id
"
:disabled="chat.operationBlocked || chat.sendUnknown"
@click="closeActiveConversation"
>
结束会话
</PjButton>
</div>
</header>
<dl class="chat-facts">
<div>
<dt>顾客</dt>
<dd><code>{{ chat.activeConversation.customerId }}</code></dd>
</div>
<div>
<dt>当前客服</dt>
<dd>
<code>{{ chat.activeConversation.assignedAgentId || "尚未认领" }}</code>
</dd>
</div>
<div>
<dt>最后序号</dt>
<dd>{{ chat.activeConversation.lastMessageSequence }}</dd>
</div>
<div>
<dt>未读</dt>
<dd>{{ chat.activeConversation.unreadCount }}</dd>
</div>
</dl>
<PjSurface
v-if="!chat.activeConversation.assignedAgentId"
tone="soft"
padding="large"
class="chat-claim"
>
<div>
<p class="eyebrow">成员权限边界</p>
<h3>认领成功前不读取正文</h3>
<p>
认领会在 Chat 事务中锁定会话并写入客服成员事实。只有该事实确认后，
当前员工才能读取消息、发送回复和推进已读位置。
</p>
</div>
<PjButton
type="button"
:loading="
chat.claimingConversationId === chat.activeConversation.id
"
:disabled="chat.operationBlocked"
@click="claim"
>
认领并读取会话
</PjButton>
</PjSurface>
<PjStatusNotice
v-else-if="chat.assignedToOther"
tone="warning"
title="该会话属于其他客服"
>
<p>
该会话已由客服 {{ chat.activeConversation.assignedAgentId }} 认领。
当前账号不能读取正文、回复或结束会话。
</p>
</PjStatusNotice>
<template v-else-if="chat.assignedToMe">
<div class="chat-history-toolbar">
<PjButton
v-if="chat.hasMore"
type="button"
variant="text"
:loading="chat.loadingOlder"
@click="chat.loadOlder(accessContext)"
>
读取更早消息
</PjButton>
<span>
{{ chat.messages.length }} 条已读取消息 · MySQL 历史为权威
</span>
</div>
<div
ref="messageLog"
class="chat-log"
role="log"
aria-live="polite"
aria-relevant="additions text"
>
<div
v-if="chat.loadingMessages && chat.messages.length === 0"
class="chat-state"
>
正在读取 MySQL 消息历史…
</div>
<div
v-else-if="!chat.loadingMessages && chat.messages.length === 0"
class="chat-state"
>
当前会话尚无可显示消息。
</div>
<article
v-for="message in chat.messages"
:key="message.id"
class="chat-message"
:class="{
'chat-message--self': message.senderId === chat.operatorId,
}"
>
<header>
<strong>
{{
message.senderId === chat.operatorId
? "我"
: `顾客 ${chat.activeConversation.customerId}`
}}
</strong>
<span>{{ formatTimestamp(message.createdAt) }}</span>
</header>
<p>{{ message.content }}</p>
<ul
v-if="message.attachments.length > 0"
class="chat-attachments"
aria-label="消息附件元数据"
>
<li
v-for="attachment in message.attachments"
:key="attachment.id"
>
<strong>{{ attachment.fileName }}</strong>
<span>
{{ attachment.mimeType }} · {{ formatBytes(attachment.sizeBytes) }}
</span>
<small>
只有完成隔离扫描并绑定到消息的附件才会出现在历史投影中；
当前客服界面不开放下载动作。
</small>
</li>
</ul>
<footer>
{{ messageStatus(message.status) }} · 序号 {{ message.sequence }}
</footer>
</article>
</div>
<form
v-if="chat.activeConversation.status === 'OPEN'"
class="chat-composer"
@submit.prevent="sendMessage"
>
<PjField
v-slot="{ describedBy }"
label="回复顾客"
for-id="staff-chat-message"
hint="1–4000 字。结果未知时正文与原客户端消息键会被冻结。"
required
>
<textarea
id="staff-chat-message"
v-model="draft"
class="pj-control"
required
maxlength="4000"
rows="5"
:readonly="chat.sending || chat.sendUnknown"
:aria-describedby="describedBy"
></textarea>
</PjField>
<PjActionGroup>
<PjButton
type="submit"
:loading="chat.sending && !chat.sendUnknown"
:disabled="
chat.sending
|| chat.sendUnknown
|| !draft.trim()
|| chat.operationBlocked
"
>
发送客服回复
</PjButton>
<span class="chat-composer__boundary">
WebSocket 在线状态不是发送成功凭据。
</span>
</PjActionGroup>
</form>
<div v-else class="chat-closed">
该会话已经关闭，历史消息保留只读。
</div>
<PjStatusNotice
v-if="chat.sendError"
:tone="chat.sendUnknown ? 'unknown' : 'danger'"
:title="chat.sendUnknown ? '客服回复结果未知' : '客服回复未发送'"
:assertive="!chat.sendUnknown"
>
<p>{{ chat.sendError }}</p>
<p v-if="chat.pendingSend">
原客户端消息键：<code>{{ chat.pendingSend.clientMessageId }}</code>。
页面不会用新正文覆盖它。
</p>
<template v-if="chat.pendingSend" #actions>
<PjButton
type="button"
:loading="chat.sending"
@click="retrySend"
>
使用原消息键查询并重试
</PjButton>
</template>
</PjStatusNotice>
<PjStatusNotice
v-if="chat.readError"
tone="warning"
title="已读位置尚未确认"
>
<p>{{ chat.readError }}</p>
<p>页面不会提前把未读数清零；已读位置只按服务端单调事实推进。</p>
<template #actions>
<PjButton
type="button"
variant="text"
@click="chat.retryRead(accessContext)"
>
重新确认已读位置
</PjButton>
</template>
</PjStatusNotice>
</template>
</PjSurface>
<PjSurface
v-else
as="section"
tone="soft"
padding="large"
class="chat-thread chat-thread--empty"
>
<p class="eyebrow">选择会话</p>
<h2>队列摘要与私聊正文保持分离。</h2>
<p>
选择一条会话查看成员状态。未认领时页面不会提前请求消息正文；
已关闭但仍属于当前员工的会话可通过原 URL 读取只读历史。
</p>
</PjSurface>
</div>
</PjPageContainer>
</template>
<style scoped>
.chat-page {
min-width: 0;
display: grid;
gap: var(--pj-space-7);
padding-block: var(--pj-space-7) var(--pj-space-8);
}
.chat-hero,
.chat-panel-header,
.chat-thread__status,
.chat-history-toolbar,
.chat-message > header,
.chat-claim {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: var(--pj-space-5);
}
.chat-hero {
align-items: flex-end;
}
.chat-hero h1,
.chat-panel-header h2,
.chat-claim h3,
.chat-thread--empty h2 {
margin: 0;
}
.chat-hero h1 {
font-size: var(--pj-font-size-xl);
font-weight: 520;
letter-spacing: -0.04em;
}
.chat-hero p:last-child,
.chat-claim p:last-child,
.chat-thread--empty p:last-child {
max-width: var(--pj-layout-reading);
margin-bottom: 0;
color: var(--pj-color-muted);
line-height: var(--pj-line-height-relaxed);
}
.chat-realtime {
flex: 0 0 auto;
padding: var(--pj-space-1) var(--pj-space-3);
border: 1px solid var(--pj-status-warning-line);
color: var(--pj-status-warning-text);
font-size: var(--pj-font-size-sm);
}
.chat-realtime[data-connected="true"] {
border-color: var(--pj-status-success-line);
color: var(--pj-status-success-text);
}
.chat-workspace {
min-width: 0;
min-height: 44rem;
display: grid;
grid-template-columns: minmax(18rem, 0.34fr) minmax(0, 1fr);
border-block: 1px solid var(--pj-color-line);
}
.chat-queue,
.chat-thread {
min-width: 0;
}
.chat-queue {
border-right: 1px solid var(--pj-color-line);
}
.chat-panel-header,
.chat-facts,
.chat-claim,
.chat-history-toolbar,
.chat-log,
.chat-composer,
.chat-closed,
.chat-thread > .pj-status-notice {
margin-inline: var(--pj-space-6);
}
.chat-panel-header {
padding-block: var(--pj-space-6);
}
.chat-panel-header h2,
.chat-claim h3,
.chat-thread--empty h2 {
font-size: var(--pj-font-size-lg);
font-weight: 540;
}
.chat-list {
display: grid;
}
.chat-list a {
min-width: 0;
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: var(--pj-space-4);
padding: var(--pj-space-4) var(--pj-space-6);
border-top: 1px solid var(--pj-color-line);
color: inherit;
text-decoration: none;
}
.chat-list a:last-child {
border-bottom: 1px solid var(--pj-color-line);
}
.chat-list a:hover {
background: var(--pj-color-surface-soft);
}
.chat-list a.router-link-active {
box-shadow: inset 0.2rem 0 0 var(--pj-color-accent);
background: var(--pj-color-surface-soft);
color: var(--pj-color-accent-strong);
}
.chat-list a > span {
min-width: 0;
display: grid;
gap: var(--pj-space-1);
}
.chat-list a > span:last-child {
flex: 0 0 auto;
justify-items: end;
color: var(--pj-color-muted);
font-size: var(--pj-font-size-sm);
text-align: right;
}
.chat-list strong,
.chat-list small,
.chat-message p,
.chat-message footer,
.chat-attachments li,
.chat-facts dd {
overflow-wrap: anywhere;
}
.chat-list small,
.chat-message footer,
.chat-history-toolbar,
.chat-composer__boundary {
color: var(--pj-color-muted);
font-size: var(--pj-font-size-sm);
}
.chat-state {
min-height: 10rem;
display: grid;
place-items: center;
padding: var(--pj-space-5);
color: var(--pj-color-muted);
text-align: center;
}
.chat-thread {
display: flex;
flex-direction: column;
}
.chat-thread__header {
border-bottom: 1px solid var(--pj-color-line);
}
.chat-thread__header > div:first-child {
min-width: 0;
}
.chat-thread__header h2 {
overflow-wrap: anywhere;
}
.chat-thread__status {
align-items: center;
gap: var(--pj-space-3);
}
.chat-facts {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: var(--pj-space-4);
margin-block: 0;
padding-block: var(--pj-space-5);
border-bottom: 1px solid var(--pj-color-line);
}
.chat-facts div {
min-width: 0;
}
.chat-facts dt {
color: var(--pj-color-muted);
font-size: var(--pj-font-size-xs);
}
.chat-facts dd {
margin: var(--pj-space-1) 0 0;
}
.chat-claim {
align-items: center;
margin-block: var(--pj-space-6);
}
.chat-claim > div {
min-width: 0;
}
.chat-history-toolbar {
align-items: center;
padding-block: var(--pj-space-3);
border-bottom: 1px solid var(--pj-color-line);
}
.chat-log {
min-height: 22rem;
max-height: 36rem;
overflow-y: auto;
overscroll-behavior: contain;
}
.chat-message {
max-width: 46rem;
display: grid;
gap: var(--pj-space-2);
padding: var(--pj-space-4);
border-top: 1px solid var(--pj-color-line);
}
.chat-message:first-of-type {
border-top: 0;
}
.chat-message--self {
margin-left: auto;
border-left: 0.2rem solid var(--pj-color-accent);
background: var(--pj-color-surface-soft);
}
.chat-message > header {
gap: var(--pj-space-4);
color: var(--pj-color-muted);
font-size: var(--pj-font-size-sm);
}
.chat-message > header strong {
color: var(--pj-color-text);
}
.chat-message p,
.chat-message footer {
margin: 0;
}
.chat-message > p {
white-space: pre-wrap;
line-height: var(--pj-line-height-relaxed);
}
.chat-attachments {
display: grid;
gap: var(--pj-space-3);
margin: 0;
padding: 0;
list-style: none;
}
.chat-attachments li {
display: grid;
gap: var(--pj-space-1);
padding: var(--pj-space-3);
border-left: 0.2rem solid var(--pj-status-warning-line);
background: var(--pj-color-surface);
}
.chat-attachments span,
.chat-attachments small {
color: var(--pj-color-muted);
}
.chat-composer {
display: grid;
gap: var(--pj-space-4);
margin-top: auto;
padding-block: var(--pj-space-5);
border-top: 1px solid var(--pj-color-line);
}
.chat-composer textarea {
resize: vertical;
line-height: var(--pj-line-height-relaxed);
}
.chat-composer .pj-action-group {
align-items: center;
}
.chat-closed {
padding-block: var(--pj-space-5);
border-top: 1px solid var(--pj-color-line);
color: var(--pj-color-muted);
}
.chat-thread > .pj-status-notice {
margin-block: var(--pj-space-4);
}
.chat-thread--empty {
justify-content: center;
padding: var(--pj-space-7);
}
@media (max-width: 64rem) {
.chat-workspace {
grid-template-columns: minmax(0, 1fr);
}
.chat-queue {
border-right: 0;
border-bottom: 1px solid var(--pj-color-line);
}
.chat-list {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.chat-list a:nth-child(2) {
border-top: 1px solid var(--pj-color-line);
}
}
@media (max-width: 48rem) {
.chat-hero,
.chat-panel-header,
.chat-claim,
.chat-history-toolbar {
align-items: flex-start;
flex-direction: column;
}
.chat-facts {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.chat-list {
grid-template-columns: minmax(0, 1fr);
}
}
@media (max-width: 32rem) {
.chat-page {
gap: var(--pj-space-6);
padding-block: var(--pj-space-6);
}
.chat-panel-header,
.chat-facts,
.chat-claim,
.chat-history-toolbar,
.chat-log,
.chat-composer,
.chat-closed,
.chat-thread > .pj-status-notice {
margin-inline: var(--pj-space-4);
}
.chat-list a {
padding-inline: var(--pj-space-4);
}
.chat-thread__status,
.chat-message > header {
align-items: flex-start;
flex-direction: column;
}
.chat-facts {
grid-template-columns: minmax(0, 1fr);
}
.chat-thread--empty {
padding: var(--pj-space-5);
}
}
</style>
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