jiapuapp/pages/family/album-detail.vue

<template>
  <view class="album-detail-page">
    <ModulePageBackground module="family" />
    <view class="album-detail-header">
      <PageHeader
        title="相册详情"
        :action="valid ? '添加' : ''"
        custom-back
        @back="returnToAlbums"
        @action="addPhoto"
      />
    </view>
    <view class="album-detail-content">
      <view v-if="!valid" class="album-state-card">
        <text>暂时无法打开相册</text>
        <AppButton block label="返回相册列表" @click="returnToAlbums" />
      </view>
      <view v-else-if="albumPhotoListState === 'loading'" class="album-state-card">
        <AppLoading text="正在读取相册照片" />
      </view>
      <view v-else-if="albumPhotoListState === 'error'" class="album-state-card">
        <text>暂时无法读取相册照片</text>
        <AppButton block type="secondary" label="重新加载" @click="loadPhotos" />
      </view>
      <view v-else-if="albumPhotoListState === 'empty'" class="album-state-card">
        <text>还没有照片</text>
        <text>添加照片后，页面会显示最新相册内容。</text>
        <AppButton block label="添加照片" @click="addPhoto" />
      </view>
      <view v-else class="photo-list">
        <text v-if="deleteError" class="photo-list__error">{{ deleteError }}</text>
        <view v-for="item in photos" :key="item.id" class="photo-card">
          <image
            class="photo-card__image"
            :src="item.photoFile.accessUrl"
            mode="widthFix"
            role="button"
            :aria-label="`查看大图：${item.title}`"
            @click="previewPhoto(item)"
          />
          <text>{{ item.title }}</text>
          <text v-if="item.description">{{ item.description }}</text>
          <text v-if="item.meta">{{ item.meta }}</text>
          <view v-if="item.canDelete" class="photo-card__actions">
            <AppButton compact type="secondary" label="删除照片" @click.stop="requestDeletePhoto(item)" />
          </view>
        </view>
      </view>
    </view>
    <AppDialog
      :visible="deleteConfirmationVisible"
      :close-on-mask="false"
      eyebrow="删除确认"
      title="删除这张照片？"
      message="删除后无法恢复，请确认影像已另行保存。"
      confirm-text="确认删除"
      cancel-text="保留照片"
      show-cancel
      @confirm="deletePhoto"
      @cancel="closeDeleteConfirmation"
    />
  </view>
</template>

<script setup>
import { computed, ref } from "vue";
import { onLoad, onShow, onUnload } from "@dcloudio/uni-app";
import AppButton from "@/components/AppButton.vue";
import AppDialog from "@/components/AppDialog.vue";
import AppLoading from "@/components/AppLoading.vue";
import ModulePageBackground from "@/components/ModulePageBackground.vue";
import PageHeader from "@/components/PageHeader.vue";
import {
  createRequestController,
  isRequestCancelled
} from "@/services/api/request-controller.js";
import { familyMediaApi } from "@/services/api/family-media-service.js";
import { getRequestErrorMessage } from "@/services/api/request-error-message.js";
import { goBack, openPage, returnTo } from "@/utils/navigation/gateway.js";

const genealogyId = ref("");
const albumId = ref("");
const photos = ref([]);
const albumPhotoListState = ref("loading");
const deleteTarget = ref(null);
const deleteConfirmationVisible = ref(false);
const deletingPhotoId = ref("");
const deleteError = ref("");
const albumPhotoListController = createRequestController();
const albumPhotoDeleteController = createRequestController();
let isPageActive = true;
const valid = computed(
  () =>
    /^[1-9]\d*$/.test(genealogyId.value) && /^[1-9]\d*$/.test(albumId.value),
);
const loadPhotos = async () => {
  if (!valid.value) return;
  albumPhotoListController.abort();
  albumPhotoListState.value = "loading";
  try {
    const albumPhotos = await familyMediaApi.getAlbumPhotos(genealogyId.value, albumId.value, {
      requestController: albumPhotoListController,
    });
    if (!isPageActive) return;
    photos.value = albumPhotos.map((photo) => ({
      ...photo,
      meta: [photo.photographer, photo.shootTime].filter(Boolean).join(" · "),
    }));
    albumPhotoListState.value = photos.value.length ? "ready" : "empty";
  } catch (error) {
    if (!isPageActive || isRequestCancelled(error)) return;
    albumPhotoListState.value = "error";
  }
};
const returnToAlbums = () =>
  /^[1-9]\d*$/.test(genealogyId.value)
    ? returnTo("F07", { genealogyId: genealogyId.value })
    : goBack();
const addPhoto = () =>
  valid.value
    ? openPage(
        "F09",
        { genealogyId: genealogyId.value, albumId: albumId.value },
        "F08",
      )
    : Promise.resolve(false);
const previewPhoto = (photo) => {
  const urls = photos.value.map((item) => item.photoFile?.accessUrl).filter(Boolean);
  const current = photo?.photoFile?.accessUrl;
  if (!current || !urls.length || typeof uni?.previewImage !== "function") return;
  uni.previewImage({ current, urls });
};
const requestDeletePhoto = (photo) => {
  if (!photo?.canDelete || deletingPhotoId.value) return;
  deleteError.value = "";
  deleteTarget.value = photo;
  deleteConfirmationVisible.value = true;
};
const closeDeleteConfirmation = () => {
  if (!deletingPhotoId.value) {
    deleteConfirmationVisible.value = false;
    deleteTarget.value = null;
  }
};
const deletePhoto = async () => {
  const photo = deleteTarget.value;
  if (!photo?.canDelete || deletingPhotoId.value) return;
  deletingPhotoId.value = photo.id;
  deleteError.value = "";
  try {
    await familyMediaApi.deleteAlbumPhoto(genealogyId.value, albumId.value, photo.id, {
      requestController: albumPhotoDeleteController,
    });
    if (!isPageActive) return;
    deleteConfirmationVisible.value = false;
    deleteTarget.value = null;
    await loadPhotos();
  } catch (error) {
    if (!isPageActive || isRequestCancelled(error)) return;
    deleteError.value = getRequestErrorMessage(error, "照片删除失败，请稍后重试。");
    deleteConfirmationVisible.value = false;
  } finally {
    if (isPageActive) deletingPhotoId.value = "";
  }
};
onLoad((query) => {
  genealogyId.value = String(query?.genealogyId || "");
  albumId.value = String(query?.albumId || "");
  if (valid.value) loadPhotos();
});
onShow(() => {
  if (valid.value && albumPhotoListState.value !== "loading") loadPhotos();
});
onUnload(() => {
  isPageActive = false;
  albumPhotoListController.abort();
  albumPhotoDeleteController.abort();
});
</script>

<style scoped lang="scss">
@import "../../styles/adaptive-frame-profiles.scss";
.album-detail-page {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  background: $paper;
}
.album-detail-header,
.album-detail-content {
  z-index: 1;
}
.album-detail-content {
  padding: 22rpx 24rpx calc(48rpx + env(safe-area-inset-bottom));
}
.album-state-card,
.photo-card {
  @include adaptive-family-content;
}
.album-state-card {
  width: 100%;
  min-height: 340rpx;
  padding: 84rpx 44rpx 56rpx;
  box-sizing: border-box;
  text-align: center;
}
.album-state-card text {
  display: block;
}
.album-state-card text:first-child {
  color: $ink;
  font-family: STKaiti, KaiTi, serif;
  font-size: clamp(19px, 36rpx, 24px);
  font-weight: 700;
}
.album-state-card text:nth-child(2) {
  margin-top: 10rpx;
  color: $ink-muted;
  font-size: clamp(14px, 23rpx, 17px);
  line-height: 1.6;
}
.album-state-card .app-button {
  margin-top: 34rpx;
}
.photo-list {
  display: flex;
  flex-direction: column;
  gap: 16rpx;
}
.photo-card {
  padding: 28rpx 32rpx;
}
.photo-list__error {
  display: block;
  color: $brand-red;
  font-size: clamp(13px, 21rpx, 16px);
  line-height: 1.5;
}
.photo-card__image {
  display: block;
  width: 100%;
  margin-bottom: 20rpx;
  border-radius: 10rpx;
  background: rgba(128, 89, 49, 0.12);
}
.photo-card__actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 16rpx;
}
.photo-card text {
  display: block;
}
.photo-card text:first-child {
  color: $ink;
  font-family: STKaiti, KaiTi, serif;
  font-size: clamp(17px, 30rpx, 22px);
  font-weight: 700;
}
.photo-card text:not(:first-child) {
  margin-top: 8rpx;
  color: $ink-muted;
  font-size: clamp(14px, 22rpx, 17px);
  line-height: 1.5;
}
</style>