228 lines
8.1 KiB
Vue
228 lines
8.1 KiB
Vue
<template>
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<!-- 文本 / 系统提示文本：直接显示纯文本 -->
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<span v-if="isText" class="whitespace-pre-wrap break-all">{{ textContent }}</span>
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<!-- 图片：缩略图 + 点击放大 -->
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<el-image
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v-else-if="isImage && imagePayload"
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class="w-60px h-60px rounded align-middle"
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:src="imagePayload.thumbnailUrl || imagePayload.url"
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:preview-src-list="[imagePayload.url]"
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:preview-teleported="true"
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fit="cover"
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/>
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<!-- 文件：图标 + 名称 + 大小，单行内显示 -->
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<span v-else-if="isFile && filePayload" class="inline-flex gap-1.5 items-center">
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<Icon :icon="fileIconInfo.icon" :color="fileIconInfo.color" :size="18" />
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<span class="max-w-200px truncate">{{ filePayload.name }}</span>
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<span v-if="filePayload.size" class="text-12px text-[var(--el-text-color-secondary)]">
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{{ formatFileSize(filePayload.size) }}
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</span>
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</span>
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<!-- 语音：图标 + 时长 -->
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<span v-else-if="isVoice && voicePayload" class="inline-flex gap-1.5 items-center">
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<Icon icon="ant-design:audio-outlined" :size="16" color="#606266" />
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<span>{{ formatSeconds(voicePayload.duration ?? 0) }}</span>
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</span>
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<!-- 视频：封面缩略图 + 时长 + 大小；封面缺失时降级图标占位 -->
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<span v-else-if="isVideo && videoPayload" class="inline-flex gap-1.5 items-center">
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<span
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v-if="videoPayload.coverUrl"
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class="relative inline-block w-60px h-60px rounded overflow-hidden align-middle cursor-pointer"
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:title="videoPayload.url ? '点击新标签播放' : ''"
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@click="openVideo"
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>
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<img :src="videoPayload.coverUrl" class="w-full h-full object-cover" />
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<Icon
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icon="ant-design:play-circle-filled"
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:size="22"
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color="#fff"
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class="absolute inset-0 m-auto pointer-events-none"
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style="filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.6))"
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/>
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</span>
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<span v-else class="inline-flex gap-1.5 items-center">
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<Icon icon="ant-design:video-camera-filled" :size="16" color="#9c27b0" />
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<span>[视频]</span>
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</span>
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<span v-if="videoPayload.duration" class="text-12px text-[var(--el-text-color-secondary)]">
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{{ formatSeconds(videoPayload.duration) }}
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</span>
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<span v-if="videoPayload.size" class="text-12px text-[var(--el-text-color-secondary)]">
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{{ formatFileSize(videoPayload.size) }}
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</span>
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</span>
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<!-- 控制类消息：撤回 / 已读 / 回执 -->
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<span
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v-else-if="props.type === ImMessageType.RECALL"
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class="text-12px text-[var(--el-text-color-secondary)]"
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>
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[消息已撤回]
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</span>
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<span
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v-else-if="props.type === ImMessageType.READ"
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class="text-12px text-[var(--el-text-color-secondary)]"
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>
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[已读回执]
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</span>
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<span
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v-else-if="props.type === ImMessageType.RECEIPT"
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class="text-12px text-[var(--el-text-color-secondary)]"
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>
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[回执]
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</span>
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<!-- 群广播事件（1501-1520 / 1530）：拼装中文 tip 文案，operator 用 senderNickname，member / newOwner 退化为 用户(id) -->
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<span
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v-else-if="isGroupNotificationType"
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class="text-12px text-[var(--el-text-color-secondary)]"
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>
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{{ groupNotificationText }}
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</span>
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<!-- 系统事件类（FRIEND_*）：content 通常是结构化 JSON，回退原始预览 -->
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<span v-else class="whitespace-pre-wrap break-all">{{ fallbackText }}</span>
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</template>
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<script lang="ts" setup>
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import { computed } from 'vue'
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import Icon from '@/components/Icon/src/Icon.vue'
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import { formatFileSize } from '@/utils/file'
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import { formatSeconds } from '@/utils/formatTime'
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import { ImMessageType, isGroupNotification } from '@/views/im/utils/constants'
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import {
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parseMessage,
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resolveTipText,
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type ImageMessage,
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type FileMessage,
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type AudioMessage,
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type VideoMessage
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} from '@/views/im/utils/message'
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import { resolveGroupNotificationText } from '@/views/im/utils/user'
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import type { Message } from '@/views/im/home/types'
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defineOptions({ name: 'ImMessageContentPreview' })
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const props = defineProps<{
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/** 消息类型，对应 ImMessageType */
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type?: number
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/** 消息 content（JSON 字符串或裸文本） */
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content?: string
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/** 发送人昵称：群广播事件用作 operatorName 兜底渲染 */
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senderNickname?: string
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}>()
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/** 各类型判定 */
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const isText = computed(
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() => props.type === ImMessageType.TEXT || props.type === ImMessageType.TIP_TEXT
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)
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const isImage = computed(() => props.type === ImMessageType.IMAGE)
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const isFile = computed(() => props.type === ImMessageType.FILE)
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const isVoice = computed(() => props.type === ImMessageType.VOICE)
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const isVideo = computed(() => props.type === ImMessageType.VIDEO)
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/** 文本内容：兼容 JSON 包裹和裸字符串两种形态 */
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const textContent = computed(() => resolveTipText(props.content || ''))
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const imagePayload = computed(() =>
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isImage.value ? parseMessage<ImageMessage>(props.content || '') : null
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)
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const filePayload = computed(() =>
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isFile.value ? parseMessage<FileMessage>(props.content || '') : null
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)
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const voicePayload = computed(() =>
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isVoice.value ? parseMessage<AudioMessage>(props.content || '') : null
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)
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const videoPayload = computed(() =>
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isVideo.value ? parseMessage<VideoMessage>(props.content || '') : null
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)
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/** 点击视频封面：在新标签打开视频 url（不在管理后台内嵌播放，避免列表里多个 video 同时占资源） */
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function openVideo() {
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const url = videoPayload.value?.url
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if (url) {
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window.open(url, '_blank')
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}
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}
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/** 文件图标：按扩展名分配 icon + 颜色，对齐 home 端 MessageItem 的观感 */
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const fileIconInfo = computed<{ icon: string; color: string }>(() => {
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const name = filePayload.value?.name || ''
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const ext = name.split('.').pop()?.toLowerCase() || ''
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if (ext === 'pdf') {
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return { icon: 'ant-design:file-pdf-filled', color: '#ed5757' }
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}
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if (['doc', 'docx'].includes(ext)) {
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return { icon: 'ant-design:file-word-filled', color: '#2b7cd3' }
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}
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if (['xls', 'xlsx'].includes(ext)) {
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return { icon: 'ant-design:file-excel-filled', color: '#1f7244' }
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}
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if (['ppt', 'pptx'].includes(ext)) {
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return { icon: 'ant-design:file-ppt-filled', color: '#d24726' }
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}
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if (['zip', 'rar', '7z', 'tar', 'gz'].includes(ext)) {
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return { icon: 'ant-design:file-zip-filled', color: '#f0ad4e' }
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}
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if (['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'svg'].includes(ext)) {
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return { icon: 'ant-design:file-image-filled', color: '#9c27b0' }
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}
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if (['mp4', 'mov', 'avi', 'mkv', 'wmv', 'flv'].includes(ext)) {
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return { icon: 'ant-design:video-camera-filled', color: '#9c27b0' }
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}
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if (['mp3', 'wav', 'ogg', 'flac', 'aac'].includes(ext)) {
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return { icon: 'ant-design:audio-filled', color: '#9c27b0' }
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}
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if (['txt', 'md', 'log', 'json', 'xml'].includes(ext)) {
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return { icon: 'ant-design:file-text-filled', color: '#909399' }
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}
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return { icon: 'ant-design:file-filled', color: '#909399' }
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})
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/** 系统事件 / 未知类型 fallback：取 JSON 首层 content，否则原文 */
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const fallbackText = computed(() => {
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const raw = props.content || ''
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if (!raw) {
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return ''
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}
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try {
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const parsed = JSON.parse(raw)
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if (parsed && typeof parsed === 'object' && parsed.content) {
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return String(parsed.content)
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}
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} catch {}
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return raw
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})
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/** 是否群广播事件（1501-1520 / 1530） */
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const isGroupNotificationType = computed(() => isGroupNotification(props.type ?? -1))
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/** 群广播事件 operatorUserId：用于把 senderNickname 仅覆盖到 operator 这一个 id 上 */
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const groupOperatorUserId = computed<number | undefined>(() => {
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try {
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return JSON.parse(props.content || '{}')?.operatorUserId
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} catch {
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return undefined
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}
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})
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/** 群广播事件文案：复用 utils/user.resolveGroupNotificationText，admin 端 resolveName 用 senderNickname（仅 operator）+ 用户(id) 兜底 */
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const groupNotificationText = computed(() =>
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resolveGroupNotificationText(
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{
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type: props.type as number,
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content: props.content || '',
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targetId: 0
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} as Pick<Message, 'type' | 'content' | 'targetId'>,
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(id) =>
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id === groupOperatorUserId.value && props.senderNickname
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? props.senderNickname
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: `用户(${id})`
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)
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)
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</script>
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