refactor pages struct
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Timi
273
miniprogram/pages/main/travel/location-detail/index.ts
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273
miniprogram/pages/main/travel/location-detail/index.ts
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// pages/main/travel/location-detail/index.ts
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import config from "../../../../config/index";
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import { TravelLocationApi } from "../../../../api/TravelLocationApi";
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import { TravelLocation, TravelLocationTypeIcon, TravelLocationTypeLabel } from "../../../../types/Travel";
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import { MediaAttachType, PreviewImageMetadata } from "../../../../types/Attachment";
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import { MapMarker, MediaItem, MediaItemType } from "../../../../types/UI";
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import Toolkit from "../../../../utils/Toolkit";
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interface TravelLocationView extends TravelLocation {
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/** 媒体列表 */
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mediaItems?: MediaItem[];
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}
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interface TravelLocationDetailData {
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/** 地点详情 */
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location: TravelLocationView | null;
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/** 地点 ID */
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locationId: string;
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/** 出行 ID */
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travelId: string;
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/** 是否正在加载 */
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isLoading: boolean;
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/** 错误信息 */
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errorMessage: string;
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/** 地点类型标签映射 */
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locationTypeLabels: typeof TravelLocationTypeLabel;
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/** 地点类型图标映射 */
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locationTypeIcons: typeof TravelLocationTypeIcon;
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/** 媒体类型枚举 */
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mediaItemTypeEnum: typeof MediaItemType;
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/** 地图标记 */
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mapMarkers: MapMarker[];
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/** 删除对话框可见性 */
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deleteDialogVisible: boolean;
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/** 删除确认文本 */
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deleteConfirmText: string;
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}
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Page({
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data: <TravelLocationDetailData>{
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location: null,
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locationId: "",
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travelId: "",
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isLoading: true,
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errorMessage: "",
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locationTypeLabels: TravelLocationTypeLabel,
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locationTypeIcons: TravelLocationTypeIcon,
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mediaItemTypeEnum: {
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...MediaItemType
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},
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mapMarkers: [],
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deleteDialogVisible: false,
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deleteConfirmText: ""
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},
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onLoad(options: any) {
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const { id, travelId } = options;
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if (id) {
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this.setData({
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locationId: id,
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travelId: travelId || ""
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});
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this.fetchDetail(id);
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} else {
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wx.showToast({
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title: "参数错误",
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icon: "error"
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});
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setTimeout(() => {
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wx.navigateBack();
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}, 1500);
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}
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},
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onShow() {
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// 页面显示时刷新数据（从编辑页返回时）
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if (this.data.locationId && !this.data.isLoading && this.data.location) {
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this.fetchDetail(this.data.locationId);
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}
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},
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/** 获取地点详情 */
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async fetchDetail(id: string) {
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this.setData({
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isLoading: true,
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errorMessage: ""
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});
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try {
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const location = await TravelLocationApi.getDetail(id);
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const thumbItems = (location.items || []).filter((item) => item.attachType === MediaAttachType.THUMB);
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const mediaItems: MediaItem[] = [];
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thumbItems.forEach((thumbItem) => {
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try {
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const metadata = (typeof thumbItem.metadata === "string" ? JSON.parse(thumbItem.metadata) : thumbItem.metadata) as PreviewImageMetadata;
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const thumbURL = `${config.url}/attachment/read/${thumbItem.mongoId}`;
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const sourceURL = `${config.url}/attachment/read/${metadata.sourceMongoId}`;
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const isVideo = metadata.sourceMimeType?.startsWith("video/");
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mediaItems.push({
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type: isVideo ? MediaItemType.VIDEO : MediaItemType.IMAGE,
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thumbURL,
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sourceURL,
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size: thumbItem.size || 0,
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attachmentId: thumbItem.id!
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});
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} catch (parseError) {
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console.warn("解析附件元数据失败", parseError);
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}
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});
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// 构建地图标记
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const mapMarkers: MapMarker[] = [];
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if (location.lat !== undefined && location.lng !== undefined) {
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mapMarkers.push({
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id: 0,
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latitude: location.lat,
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longitude: location.lng,
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width: 24,
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height: 30,
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customCallout: {
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anchorY: -2,
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anchorX: 0,
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display: "ALWAYS"
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}
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});
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}
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this.setData({
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location: {
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...location,
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mediaItems
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},
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travelId: location.travelId ? String(location.travelId) : this.data.travelId,
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mapMarkers
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});
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} catch (error) {
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console.error("获取地点详情失败:", error);
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this.setData({
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errorMessage: "加载失败，请稍后重试"
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});
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wx.showToast({
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title: "加载失败",
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icon: "error"
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});
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} finally {
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this.setData({ isLoading: false });
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}
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},
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/** 重新加载 */
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retryFetch() {
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if (this.data.locationId) {
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this.fetchDetail(this.data.locationId);
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}
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},
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/** 编辑地点 */
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toEdit() {
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const { location, travelId } = this.data;
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if (location && location.id) {
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wx.navigateTo({
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url: `/pages/main/travel/location-editor/index?id=${location.id}&travelId=${travelId || location.travelId || ""}`
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});
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}
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},
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/** 出发（打开地图导航） */
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navigate() {
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const { location } = this.data;
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if (location && location.lat !== undefined && location.lng !== undefined) {
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wx.openLocation({
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latitude: location.lat,
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longitude: location.lng,
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name: location.title || "目的地",
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address: location.location || "",
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scale: 15
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});
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} else {
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wx.showToast({
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title: "位置信息不完整",
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icon: "error"
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});
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}
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},
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/** 预览媒体 */
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preview(e: WechatMiniprogram.BaseEvent) {
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const index = e.currentTarget.dataset.index;
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const { location } = this.data;
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if (!location || !location.mediaItems) {
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return;
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}
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const sources = location.mediaItems.map(item => ({
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url: item.sourceURL,
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type: item.type
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}));
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const total = sources.length;
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const startIndex = Math.max(0, index - 25);
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const endIndex = Math.min(total, startIndex + 50);
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const newCurrentIndex = index - startIndex;
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wx.previewMedia({
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current: newCurrentIndex,
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sources: sources.slice(startIndex, endIndex) as WechatMiniprogram.MediaSource[]
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});
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},
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/** 删除地点 */
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deleteLocation() {
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this.setData({
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deleteDialogVisible: true,
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deleteConfirmText: ""
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});
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},
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/** 取消删除 */
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cancelDelete() {
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this.setData({
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deleteDialogVisible: false,
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deleteConfirmText: ""
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});
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},
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/** 确认删除 */
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confirmDelete() {
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const inputText = this.data.deleteConfirmText.trim();
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if (inputText !== "确认删除") {
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wx.showToast({
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title: "输入不匹配",
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icon: "error"
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});
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return;
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}
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this.setData({
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deleteDialogVisible: false
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});
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this.executeDelete();
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},
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/** 执行删除 */
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async executeDelete() {
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if (!this.data.location || !this.data.location.id) {
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return;
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}
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wx.showLoading({ title: "删除中...", mask: true });
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try {
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await TravelLocationApi.delete(this.data.location.id);
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wx.showToast({
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title: "删除成功",
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icon: "success"
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});
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setTimeout(() => {
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wx.navigateBack();
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}, 1500);
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} catch (error) {
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// 错误已由 Network 类处理
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} finally {
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wx.hideLoading();
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}
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},
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/** 返回 */
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async goBack() {
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Toolkit.async(() => wx.navigateBack()); // 微信 BUG，需要延时
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}
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});
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