admin-vue3/src/views/im/home/components/rtc/RtcGroupCallBanner.vue

<template>
  <!-- 仅当该群有活跃通话时显示；点击胶囊条展开 popover 看在通话成员 + 加入 -->
  <div v-if="activeCall" class="flex-shrink-0 px-4 pb-2 bg-[var(--el-fill-color-light)]">
    <el-popover
      v-model:visible="popoverVisible"
      placement="bottom-start"
      :width="280"
      trigger="click"
    >
      <!-- 胶囊条本体：电话图标 + 文案（含人数）+ 右箭头 -->
      <template #reference>
        <div
          class="inline-flex gap-2 items-center px-2.5 py-1 text-13px rounded-full cursor-pointer select-none transition-colors duration-150 bg-[var(--el-color-success-light-9)] text-[var(--el-text-color-primary)] hover:bg-[var(--el-color-success-light-8)]"
        >
          <span
            class="inline-flex flex-shrink-0 justify-center items-center w-[18px] h-[18px] text-white rounded-full bg-[#07c160]"
          >
            <Icon icon="ant-design:phone-filled" :size="14" />
          </span>
          <span class="font-medium">{{ pillText }}</span>
          <Icon
            icon="ant-design:right-outlined"
            :size="12"
            class="text-[var(--el-text-color-secondary)]"
          />
        </div>
      </template>

      <!-- 展开面板：在通话成员头像横排 + 加入按钮 -->
      <div class="flex flex-col gap-4 items-center pt-2 pb-1">
        <div class="flex flex-wrap gap-1.5 justify-center max-w-[240px]">
          <div v-for="m in joinedMembers" :key="m.userId" class="inline-flex" :title="m.nickname">
            <UserAvatar
              :url="m.avatar"
              :name="m.nickname"
              :size="40"
              radius="6px"
              :clickable="false"
            />
          </div>
          <!-- 首次填充时房内可能暂时 0 人；加入后由 ParticipantConnected 事件追加 -->
          <div v-if="joinedCount === 0" class="p-3 text-13px text-[var(--el-text-color-secondary)]">
            暂无成员在通话
          </div>
        </div>
        <!-- 自己已在通话内时置灰显示「已在通话中」，避免重复 join -->
        <button
          class="w-[200px] h-9 text-sm font-medium rounded-lg cursor-pointer border-none bg-[#f1f1f3] text-[var(--el-text-color-primary)] transition-colors duration-150 disabled:cursor-not-allowed disabled:text-[var(--el-text-color-secondary)] hover:[&:not(:disabled)]:bg-[#e7e7ea]"
          :disabled="joinDisabled"
          @click="handleJoin"
        >
          {{ joinDisabled ? '已在通话中' : '加入' }}
        </button>
      </div>
    </el-popover>
  </div>
</template>

<script lang="ts" setup>
import { computed, ref, watch } from 'vue'
import Icon from '@/components/Icon/src/Icon.vue'
import UserAvatar from '../user/UserAvatar.vue'
import { useMessage } from '@/hooks/web/useMessage'
import { useRtcStore } from '../../store/rtcStore'
import { joinCall, getActiveCall } from '@/api/im/home/rtc'
import { DICT_TYPE, getDictLabel } from '@/utils/dict'
import { ImConversationType } from '@/views/im/utils/constants'
import { getCurrentUserId } from '@/views/im/utils/storage'
import { getSenderAvatar, getSenderDisplayName } from '@/views/im/utils/user'

const props = defineProps<{
  groupId: number
}>()

defineOptions({ name: 'ImRtcGroupCallBanner' })

const rtcStore = useRtcStore()
const message = useMessage()

const popoverVisible = ref(false)

/** 当前群的活跃通话；rtcStore 维护，参与者加入 / 离开通知增删 joinedUserIds，通话结束移除 */
const activeCall = computed(() => rtcStore.getGroupCall(props.groupId))

/** 胶囊条文案；有人在通话则带人数，初始 0 人时只显示媒体类型 */
const pillText = computed(() => {
  const media = getDictLabel(DICT_TYPE.IM_RTC_CALL_MEDIA_TYPE, activeCall.value?.mediaType)
  const count = joinedCount.value
  return count > 0 ? `正在${media}通话（${count} 人）` : `正在${media}通话`
})

/**
 * 切到群 / 通话 room 变化时拉一次最新参与者列表；
 * 两个触发场景：1）用户切群，本端可能没有该群通话的最新缓存；2）参与者通知首次填充后只含本次加入者，缺历史加入者；
 * 用 [groupId, room] 双源监听 + 已填充守卫，避免切群 / 首次填充触发的双次重复拉取
 */
watch(
  () => [props.groupId, activeCall.value?.room] as const,
  async ([groupId, room], oldValues) => {
    if (!groupId) {
      return
    }

    // 决策是否需要拉取：切群 / room 切换必拉；同群同 room 且已加载 >= 2 人则跳过，避免参与者通知触发后重复请求
    const groupChanged = !oldValues || oldValues[0] !== groupId
    const roomChanged = oldValues && oldValues[1] !== room
    const hydrated = (activeCall.value?.joinedUserIds?.length ?? 0) > 1
    if (!groupChanged && !roomChanged && hydrated) {
      return
    }

    // 拉最新参与者写回 store；接口返回空 → 该群已无活跃通话，移除本地缓存
    try {
      const data = await getActiveCall(groupId)
      if (data) {
        rtcStore.setGroupCall(data)
      } else {
        rtcStore.removeGroupCall(groupId)
      }
    } catch (e) {
      console.warn('[GroupCallBanner] getActiveCall 失败', { groupId }, e)
    }
  },
  { immediate: true }
)

/** 在通话中的成员视图模型；昵称 / 头像走 user.ts 的 helper，自动处理 self / 群成员 / 好友 / 兜底 */
const joinedMembers = computed(() => {
  const ids = activeCall.value?.joinedUserIds || []
  return ids.map((userId) => ({
    userId,
    nickname: getSenderDisplayName(userId, ImConversationType.GROUP, props.groupId),
    avatar: getSenderAvatar(userId, ImConversationType.GROUP, props.groupId) || undefined
  }))
})

const joinedCount = computed(() => joinedMembers.value.length)

/** 加入按钮禁用：自己已经在该房间内（含本端正在 INVITING / RUNNING） */
const joinDisabled = computed(() => {
  const myId = getCurrentUserId()
  if (rtcStore.isActive && rtcStore.call?.room === activeCall.value?.room) {
    return true
  }
  return activeCall.value?.joinedUserIds?.includes(myId) ?? false
})

/** 主动加入：调 invite 命中已有 call 拿 token；rtcStore 按 status 自动进 RUNNING */
async function handleJoin() {
  const call = activeCall.value
  if (!call || joinDisabled.value) {
    return
  }
  if (rtcStore.isActive) {
    message.warning('您正在通话中')
    return
  }
  popoverVisible.value = false
  try {
    const data = await joinCall(call.room)
    rtcStore.startInviting(data)
  } catch (e: any) {
    console.error('[GroupCallBanner] join 失败', { room: call.room }, e)
    message.error(e?.msg || '加入失败')
  }
}
</script>