Add check-in feature and update travel planner UI

src/services/location/current-location.ts

@@ -0,0 +1,74 @@
+import type { CheckInLocationSnapshot } from '@/domain/check-in'
+
+interface CurrentLocationOptions {
+  highAccuracyExpireTime?: number
+  timeoutMs?: number
+}
+
+function locationOptionsSupported(): boolean {
+  try {
+    return typeof uni.canIUse !== 'function'
+      || uni.canIUse('getLocation.object.isHighAccuracy')
+  }
+  catch {
+    return false
+  }
+}
+
+export function isLocationPermissionDenied(error: unknown): boolean {
+  if (!error || typeof error !== 'object')
+    return false
+  const message = String((error as { errMsg?: unknown }).errMsg ?? '')
+  return !/privacy/i.test(message)
+    && /auth deny|auth denied|authorize:fail|permission/i.test(message)
+}
+
+export function getCurrentGcj02Location(options: CurrentLocationOptions = {}): Promise<CheckInLocationSnapshot> {
+  return new Promise((resolve, reject) => {
+    const highAccuracyExpireTime = Math.max(3000, options.highAccuracyExpireTime ?? 8000)
+    const timeoutMs = Math.max(3000, options.timeoutMs ?? 15000)
+    let settled = false
+    let timeout: ReturnType<typeof setTimeout> | null = null
+    const finish = (callback: () => void) => {
+      if (settled)
+        return
+      settled = true
+      if (timeout)
+        clearTimeout(timeout)
+      callback()
+    }
+    timeout = setTimeout(() => {
+      finish(() => reject(new Error('定位超时，请到开阔处重试')))
+    }, timeoutMs)
+    const commonOptions = {
+      type: 'gcj02' as const,
+      success: (result: UniNamespace.GetLocationSuccess) => {
+        const longitude = Number(result.longitude)
+        const latitude = Number(result.latitude)
+        const accuracy = Number(result.accuracy ?? result.horizontalAccuracy)
+        if (!Number.isFinite(longitude) || !Number.isFinite(latitude)) {
+          finish(() => reject(new Error('定位结果无效，请稍后重试')))
+          return
+        }
+        finish(() => resolve({
+          longitude,
+          latitude,
+          accuracy: Number.isFinite(accuracy) && accuracy >= 0 ? accuracy : null,
+          receivedAt: new Date().toISOString(),
+          coordinateSystem: 'GCJ02',
+        }))
+      },
+      fail: (error: unknown) => finish(() => reject(error)),
+    }
+
+    if (locationOptionsSupported()) {
+      uni.getLocation({
+        ...commonOptions,
+        isHighAccuracy: true,
+        highAccuracyExpireTime,
+      })
+      return
+    }
+    uni.getLocation(commonOptions)
+  })
+}