Add AMap location and weather header with warm mini program theme

pets-fe/pages/home/home.js

@@ -1,7 +1,13 @@
 const { secure, toast } = require("../../utils/api");
 const { localDate } = require("../../utils/date");
+function dateLabel() {
+  const now = new Date();
+  return `${now.getMonth() + 1}月${now.getDate()}日 周${"日一二三四五六"[now.getDay()]}`;
+}
 Page({
   data: {
+    locationName: "当前位置",
+    headerSubtitle: dateLabel() + " · 轻触获取天气",
     pets: [],
     selected: [],
     tasks: [],
@@ -11,6 +17,49 @@ Page({
   },
   onShow() {
     this.load();
+    this.updateEnvironmentLabel();
+    if (!this.environmentAt || Date.now() - this.environmentAt > 15 * 60 * 1000) {
+      this.refreshEnvironment();
+    }
+  },
+  updateEnvironmentLabel() {
+    this.setData({ headerSubtitle: dateLabel() + " · " + (this.weatherLabel || "轻触获取天气") });
+  },
+  async refreshEnvironment(event) {
+    if (this.environmentBusy) return;
+    this.environmentBusy = true;
+    const tapped = !!event;
+    let positioned = false;
+    try {
+      const settings = await new Promise((resolve, reject) => wx.getSetting({ success: resolve, fail: reject }));
+      if (settings.authSetting["scope.userLocation"] === false) {
+        if (!tapped) throw new Error("location-denied");
+        const enabled = await new Promise((resolve, reject) => wx.openSetting({ success: resolve, fail: reject }));
+        if (!enabled.authSetting["scope.userLocation"]) throw new Error("location-denied");
+      }
+      this.weatherLabel = "正在获取天气";
+      this.updateEnvironmentLabel();
+      const point = await new Promise((resolve, reject) => wx.getLocation({
+        type: "gcj02",
+        success: resolve,
+        fail: reject,
+      }));
+      positioned = true;
+      const result = await secure("/environment", "GET", { latitude: point.latitude, longitude: point.longitude });
+      this.setData({ locationName: result.location_name });
+      this.weatherLabel = result.weather
+        ? `${result.weather.description} ${result.weather.temperature}°C`
+        : "天气暂不可用";
+      this.environmentAt = result.weather ? Date.now() : 0;
+    } catch (error) {
+      const denied = /denied|deny|auth/.test(error.errMsg || error.message || "");
+      this.setData({ locationName: positioned ? "位置暂不可用" : denied ? "开启定位" : "定位暂不可用" });
+      this.weatherLabel = denied ? "轻触开启定位" : "轻触重试";
+      if (tapped && !denied) wx.showToast({ title: positioned ? "位置和天气获取失败，请重试" : "定位失败，请重试", icon: "none" });
+    } finally {
+      this.environmentBusy = false;
+      this.updateEnvironmentLabel();
+    }
   },
   async load() {
     try {