From 8847cdb79f08e786206be9d149b856986c464363 Mon Sep 17 00:00:00 2001
From: YunaiV <zhijiantianya@gmail.com>
Date: Mon, 27 Apr 2026 22:36:47 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20feat(im):=20=E6=96=B0=E5=A2=9E=20Me?=
 =?UTF-8?q?ssageReadStatus.vue?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../components/message/MessageReadStatus.vue  | 165 +++++++++++-------
 1 file changed, 102 insertions(+), 63 deletions(-)

diff --git a/src/views/im/home/pages/conversation/components/message/MessageReadStatus.vue b/src/views/im/home/pages/conversation/components/message/MessageReadStatus.vue
index 36f39d299..3c3b09917 100644
--- a/src/views/im/home/pages/conversation/components/message/MessageReadStatus.vue
+++ b/src/views/im/home/pages/conversation/components/message/MessageReadStatus.vue
@@ -1,9 +1,10 @@
 <template>
   <!--
-    群消息已读状态（对应 boxim chat/ChatGroupReaded.vue）
-    - 标签形态：展示「N 已读」或「全部已读」；点击弹出 tab 列出具体成员
-    - 仅在群聊、自己发送、已送达的消息下使用
-    - 依赖 getGroupReadUsers API 拉已读人列表；未读列表由群成员减去已读得出
+    群消息已读状态
+    - 标签形态：展示「N 已读」或「全部已读」；点击弹出 popover 用 tab 列出已读 / 未读成员
+    - 渲染条件：仅在群聊、自己发送、receiptStatus !== NO_RECEIPT 时挂出（由 MessageItem 把关）
+    - 已读名单按需拉：popover 触发 show 才打 /im/message/group/get-read-users，避免每条群消息都预拉
+    - 未读名单 = 当前群成员 − 自己 − 已退群 − 已读集合（前端聚合，后端只回已读 userId）
   -->
   <el-popover
     v-model:visible="popVisible"
@@ -13,27 +14,39 @@
     @show="loadReadUsers"
   >
     <template #reference>
-      <span class="im-message-read-status">
+      <span
+        class="text-12px whitespace-nowrap cursor-pointer text-[var(--el-text-color-secondary)] hover:text-[#409eff]"
+      >
         {{ label }}
       </span>
     </template>
 
     <el-tabs v-model="activeTab" stretch>
       <el-tab-pane :label="`已读(${readMembers.length})`" name="read">
-        <PagedScroller :items="readMembers" :page-size="20" class="im-message-read-status__scroll">
+        <PagedScroller :items="readMembers" :page-size="20" class="h-75">
           <template #default="{ item }">
-            <ChatGroupMember :member="(item as GroupMemberLite)" :height="40" :clickable="false" />
+            <ChatGroupMember :member="item as GroupMemberLite" :height="40" :clickable="false" />
           </template>
         </PagedScroller>
-        <div v-if="readMembers.length === 0" class="im-message-read-status__empty">暂无已读</div>
+        <div
+          v-if="readMembers.length === 0"
+          class="py-5 text-12px text-center text-[var(--el-text-color-disabled)]"
+        >
+          暂无已读
+        </div>
       </el-tab-pane>
       <el-tab-pane :label="`未读(${unreadMembers.length})`" name="unread">
-        <PagedScroller :items="unreadMembers" :page-size="20" class="im-message-read-status__scroll">
+        <PagedScroller :items="unreadMembers" :page-size="20" class="h-75">
           <template #default="{ item }">
-            <ChatGroupMember :member="(item as GroupMemberLite)" :height="40" :clickable="false" />
+            <ChatGroupMember :member="item as GroupMemberLite" :height="40" :clickable="false" />
           </template>
         </PagedScroller>
-        <div v-if="unreadMembers.length === 0" class="im-message-read-status__empty">全部已读</div>
+        <div
+          v-if="unreadMembers.length === 0"
+          class="py-5 text-12px text-center text-[var(--el-text-color-disabled)]"
+        >
+          全部已读
+        </div>
       </el-tab-pane>
     </el-tabs>
   </el-popover>
@@ -42,84 +55,110 @@
 <script lang="ts" setup>
 import { computed, ref } from 'vue'
 
-import { getGroupReadUsers } from '@/api/im/message/group'
-import { ImGroupReceiptStatus } from '../../../../../utils/constants'
-import type { MessageInfo } from '../../../../types'
+import { getGroupReadUsers as apiGetGroupReadUsers } from '@/api/im/message/group'
+import { CommonStatusEnum } from '@/utils/constants'
+import { ImConversationType, ImGroupReceiptStatus } from '../../../../../utils/constants'
+import type { Message } from '../../../../types'
+import { useConversationStore } from '../../../../store/conversationStore'
 import ChatGroupMember, { type GroupMemberLite } from '../ChatGroupMember.vue'
 import PagedScroller from '../../../../components/PagedScroller.vue'
 
 defineOptions({ name: 'ImMessageReadStatus' })
 
 const props = defineProps<{
-  message: MessageInfo
-  /** 当前群所有成员（第一期外部传入；没有就传空数组，未读列表会空） */
+  message: Message
+  // 当前群所有成员（外部 ChatPanel.groupMembers 传入；没有就传空数组，未读列表会变空但不报错）
   groupMembers: GroupMemberLite[]
-  /** 当前群 id */
-  groupId: string
+  // 当前群编号；供 loadReadUsers 作为 /im/message/group/get-read-users 的入参
+  groupId: number
 }>()
 
+const conversationStore = useConversationStore()
+
+// popover 开关：show 时拉已读名单，关闭后保留 readUserIds 缓存（重开同一条消息不再请求）
 const popVisible = ref(false)
 const activeTab = ref<'read' | 'unread'>('read')
-const readUserIds = ref<string[]>([])
+// 服务端返回的"已读这条消息的 userId 列表"，未读靠 visibleMembers 减去这份得到
+const readUserIds = ref<number[]>([])
 
+/**
+ * 标签文案：
+ * - receiptStatus === DONE：服务端确认全员已读 → 直接显示"全部已读"，readCount 不再使用
+ * - readCount > 0：显示"N 人已读"
+ * - 其他（readCount = 0 或 undefined，且未到 DONE）：显示"未读"
+ */
 const label = computed(() => {
-  if (props.message.receiptStatus === ImGroupReceiptStatus.DONE) return '全部已读'
-  const n = props.message.readCount || 0
-  return n > 0 ? `${n} 人已读` : '未读'
+  if (props.message.receiptStatus === ImGroupReceiptStatus.DONE) {
+    return '全部已读'
+  }
+  const readCount = props.message.readCount || 0
+  return readCount > 0 ? `${readCount} 人已读` : '未读'
 })
 
+/**
+ * 这条消息"应该被谁看到"的可见成员集合（已读 / 未读两个 tab 共用基底）
+ *
+ * 三层过滤：
+ * 1. 定向群消息：receiverUserIds 非空时，只算名单内的成员。少了这层，未在投递范围里的人
+ *    会被错算成"未读"（getGroupReadUsers 后端已按可见性过滤，前端必须配套）
+ * 2. 发送者本人：自己发的消息算不算"自己已读"语义模糊，索性两个 tab 都不展示
+ * 3. 已退群（status === DISABLE）：他读没读已经不关心，UI 不展示
+ */
+const visibleMembers = computed<GroupMemberLite[]>(() => {
+  const receiverUserIds = props.message.receiverUserIds
+  const isDirected = !!receiverUserIds && receiverUserIds.length > 0
+  return props.groupMembers.filter(
+    (member) =>
+      member.status !== CommonStatusEnum.DISABLE &&
+      member.userId !== props.message.senderId &&
+      (!isDirected || receiverUserIds.includes(member.userId))
+  )
+})
+
+/** 已读 = 可见成员 ∩ readUserIds */
 const readMembers = computed(() =>
-  props.groupMembers.filter(
-    (m) =>
-      !m.quit &&
-      String(m.userId) !== String(props.message.sendId) &&
-      readUserIds.value.includes(String(m.userId))
-  )
+  visibleMembers.value.filter((member) => readUserIds.value.includes(member.userId))
 )
 
+/** 未读 = 可见成员 − readUserIds */
 const unreadMembers = computed(() =>
-  props.groupMembers.filter(
-    (m) =>
-      !m.quit &&
-      String(m.userId) !== String(props.message.sendId) &&
-      !readUserIds.value.includes(String(m.userId))
-  )
+  visibleMembers.value.filter((member) => !readUserIds.value.includes(member.userId))
 )
 
+/**
+ * 拉取已读用户 id 列表
+ *
+ * 触发：el-popover @show（按需懒加载，避免每条群消息都预拉）
+ * 跳过：本地占位消息（id = 0，还没拿到服务端 id），后端没法按 messageId 查
+ * 失败：仅控制台告警，readUserIds 保持空数组 → label 走 readCount 兜底，不阻塞 UI
+ *
+ * 拉到名单后顺手把 readCount / receiptStatus 回写到 conversationStore，让 popover 外面的
+ * label 也跟着走最新数：离线 / 漏收 RECEIPT 事件时本地 readCount 会偏旧，弹层里看到"已读 5"
+ * 但外面仍是"未读"或旧人数；这里以服务端返回为准矫正回去
+ */
 async function loadReadUsers() {
-  if (!props.message.id) return
+  if (!props.message.id) {
+    return
+  }
   try {
-    const res = await getGroupReadUsers({
+    const userIds = await apiGetGroupReadUsers({
       groupId: props.groupId,
       messageId: props.message.id
     })
-    readUserIds.value = (res || []).map(String)
-  } catch (e) {
-    console.error('[IM] 拉取群已读列表失败:', e)
+    readUserIds.value = userIds || []
+    const readCount = readUserIds.value.length
+    // 全可见成员都已读 → flip 到 DONE，让外面 label 直接走"全部已读"短路；
+    // 否则只更新 readCount，receiptStatus 维持不变（PENDING / READING）
+    const allRead = readCount > 0 && readCount >= visibleMembers.value.length
+    conversationStore.applyReadReceipt({
+      conversationType: ImConversationType.GROUP,
+      targetId: props.groupId,
+      groupMessageId: props.message.id,
+      readCount,
+      receiptStatus: allRead ? ImGroupReceiptStatus.DONE : undefined
+    })
+  } catch (error) {
+    console.error('[IM] 拉取群已读列表失败:', error)
   }
 }
 </script>
-
-<style scoped>
-.im-message-read-status {
-  font-size: 12px;
-  color: #909399;
-  white-space: nowrap;
-  cursor: pointer;
-}
-
-.im-message-read-status:hover {
-  color: #409eff;
-}
-
-.im-message-read-status__scroll {
-  height: 300px;
-}
-
-.im-message-read-status__empty {
-  padding: 20px 0;
-  font-size: 12px;
-  color: #c0c4cc;
-  text-align: center;
-}
-</style>