Files
gaoYuJournal/miniprogram/pages/main/journal-map/index.ts
2025-12-10 16:59:22 +08:00

288 lines
7.5 KiB
TypeScript

// pages/main/journal-map/index.ts
import config from "../../../config/index";
import Time from "../../../utils/Time";
import { Journal, JournalPageType } from "../../../types/Journal";
import { MediaAttachExt, MediaAttachType } from "../../../types/Attachment";
import Toolkit from "../../../utils/Toolkit";
interface MapMarker {
id: number;
latitude: number;
longitude: number;
width: number;
height: number;
customCallout: {
anchorY: number;
anchorX: number;
display: string;
};
}
interface JournalInfo {
id: number;
date: string;
time: string;
location?: string;
idea?: string;
items: Array<{
type: number;
thumbURL: string;
sourceURL: string;
mongoId: string;
}>;
}
interface LocationMarker {
locationKey: string; // 位置键 "lat,lng"
lat: number;
lng: number;
location?: string;
journalIds: number[]; // 该位置的所有日记 ID
count: number; // 日记数量
date: string;
previewThumb?: string; // 预览缩略图
}
interface SelectedLocationInfo {
location?: string;
journals: JournalInfo[];
}
interface JournalMapData {
centerLat: number;
centerLng: number;
scale: number;
markers: MapMarker[];
locations: LocationMarker[]; // 位置标记列表
customCalloutMarkerIds: string[]; // 改为 string[] 以支持 locationKey
includePoints: Array<{ latitude: number; longitude: number }>; // 缩放视野以包含所有点
selectedLocation: SelectedLocationInfo | null; // 选中的位置信息
showDetail: boolean; // 是否显示详情(控制 DOM 存在)
detailVisible: boolean; // 详情是否可见(控制动画)
isLoading: boolean;
}
Page({
data: <JournalMapData>{
centerLat: 39.908823,
centerLng: 116.397470,
scale: 13,
markers: [],
locations: [],
customCalloutMarkerIds: [],
includePoints: [],
selectedLocation: null,
showDetail: false,
detailVisible: false,
isLoading: true,
},
async onLoad() {
await this.loadJournals();
},
/** 加载所有记录 */
async loadJournals() {
this.setData({ isLoading: true });
try {
const list: Journal[] = await new Promise((resolve, reject) => {
wx.request({
url: `${config.url}/journal/list`,
method: "POST",
header: {
Key: wx.getStorageSync("key")
},
data: {
page: 0,
size: 9007199254740992,
type: JournalPageType.PREVIEW
},
success: (resp: any) => {
if (resp.data.code === 20000) {
resolve(resp.data.data.list);
} else {
reject(new Error(resp.data.message || "加载失败"));
}
},
fail: reject
});
}) || [];
// 过滤有位置信息的记录,并按位置分组
const locationMap = new Map<string, LocationMarker>();
list.filter((journal: any) => journal.lat && journal.lng).forEach((journal: any) => {
// 保留 6 位小数作为位置键,约等于 0.1 米精度
const lat = Number(journal.lat.toFixed(6));
const lng = Number(journal.lng.toFixed(6));
const locationKey = `${lat},${lng}`;
if (!locationMap.has(locationKey)) {
// 获取第一个有缩略图的日记
const thumbItem = journal.items.find((item: any) => item.attachType === "THUMB");
locationMap.set(locationKey, {
locationKey,
lat,
lng,
location: journal.location,
journalIds: [],
count: 0,
date: Time.toPassedDate(journal.createdAt),
previewThumb: thumbItem ? `${config.url}/attachment/read/${thumbItem.mongoId}` : undefined
});
}
const marker = locationMap.get(locationKey)!;
marker.journalIds.push(journal.id);
marker.count++;
// 如果还没有预览图,尝试从当前日记获取
if (!marker.previewThumb) {
const thumbItem = journal.items.find((item: any) => item.attachType === "THUMB");
if (thumbItem) {
marker.previewThumb = `${config.url}/attachment/read/${thumbItem.mongoId}`;
}
}
});
const locations = Array.from(locationMap.values());
if (locations.length === 0) {
wx.showToast({
title: "暂无位置记录",
icon: "none"
});
this.setData({ isLoading: false });
return;
}
// 生成地图标记
const markers: MapMarker[] = locations.map((location, index) => ({
id: index,
latitude: location.lat,
longitude: location.lng,
width: 24,
height: 30,
customCallout: {
anchorY: -2,
anchorX: 0,
display: "ALWAYS"
}
}));
// 所有标记的 locationKey 列表
const customCalloutMarkerIds = locations.map(l => l.locationKey);
// 计算中心点(所有标记的平均位置)
const centerLat = locations.reduce((sum, l) => sum + l.lat, 0) / locations.length;
const centerLng = locations.reduce((sum, l) => sum + l.lng, 0) / locations.length;
// 缩放视野以包含所有标记点
const includePoints = locations.map((l) => ({
latitude: l.lat,
longitude: l.lng
}));
this.setData({
locations,
markers,
customCalloutMarkerIds,
centerLat,
centerLng,
includePoints,
isLoading: false
});
} catch (err: any) {
wx.showToast({
title: err.message || "加载失败",
icon: "error"
});
this.setData({ isLoading: false });
}
},
/** 标记点击事件 */
onMarkerTap(e: any) {
const markerId = e.detail.markerId || e.markerId;
this.loadLocationDetail(markerId);
},
/** 气泡点击事件 */
onCalloutTap(e: any) {
const markerId = e.detail.markerId || e.markerId;
this.loadLocationDetail(markerId);
},
/** 加载位置详情(该位置的所有日记) */
async loadLocationDetail(markerId: number) {
const location = this.data.locations[markerId];
if (!location) return;
wx.showLoading({ title: "加载中...", mask: true });
try {
// 根据 journalIds 加载日记详情
const list: Journal[] = await new Promise((resolve, reject) => {
wx.request({
url: `${config.url}/journal/list/ids`,
method: "POST",
header: {
Key: wx.getStorageSync("key")
},
data: location.journalIds,
success: (resp: any) => {
if (resp.data.code === 20000) {
resolve(resp.data.data);
} else {
reject(new Error(resp.data.message || "加载失败"));
}
},
fail: reject
});
}) || [];
// 转换为 JournalInfo 格式
const journals: JournalInfo[] = list.map((journal: any) => {
const date = new Date(journal.createdAt);
return {
id: journal.id,
date: Time.toPassedDateTime(journal.createdAt),
time: `${String(date.getHours()).padStart(2, '0')}:${String(date.getMinutes()).padStart(2, '0')}`,
location: journal.location,
idea: journal.idea,
items: journal.items
.filter((item: any) => item.attachType === MediaAttachType.THUMB)
.map((item: any) => {
const ext = JSON.parse(item.ext);
return {
type: ext.isVideo ? 1 : 0,
thumbURL: `${config.url}/attachment/read/${item.mongoId}`,
sourceURL: `${config.url}/attachment/read/${ext.sourceMongoId}`,
mongoId: item.mongoId,
};
})
};
});
// 先显示元素,再触发动画
this.setData({
selectedLocation: {
location: location.location,
journals
},
showDetail: true
});
wx.nextTick(() => {
this.setData({ detailVisible: true });
});
wx.hideLoading();
} catch (err: any) {
wx.hideLoading();
wx.showToast({
title: err.message || "加载失败",
icon: "error"
});
}
},
/** 关闭详情 */
async closeDetail() {
this.setData({ detailVisible: false });
await Toolkit.sleep(350);
this.setData({
showDetail: false,
selectedLocation: null
});
},
});