1 /* <lambda>null2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.healthconnect.controller.recentaccess 18 19 import android.health.connect.HealthConnectManager 20 import android.health.connect.accesslog.AccessLog 21 import android.util.Log 22 import androidx.core.os.asOutcomeReceiver 23 import com.android.healthconnect.controller.service.IoDispatcher 24 import com.android.healthconnect.controller.utils.SystemTimeSource 25 import java.time.Duration 26 import java.time.Instant 27 import javax.inject.Inject 28 import javax.inject.Singleton 29 import kotlinx.coroutines.CoroutineDispatcher 30 import kotlinx.coroutines.suspendCancellableCoroutine 31 import kotlinx.coroutines.withContext 32 33 @Singleton 34 class LoadRecentAccessUseCase 35 @Inject 36 constructor( 37 private val manager: HealthConnectManager, 38 @IoDispatcher private val dispatcher: CoroutineDispatcher 39 ) : ILoadRecentAccessUseCase { 40 41 companion object { 42 private const val TAG = "LoadRecentAccessUseCase" 43 } 44 45 private val timeSource = SystemTimeSource 46 47 /** Returns a list of apps that have recently accessed Health Connect */ 48 override suspend fun invoke(): List<AccessLog> = 49 withContext(dispatcher) { 50 val accessLogs = 51 try { 52 suspendCancellableCoroutine<List<AccessLog>> { continuation -> 53 manager.queryAccessLogs(Runnable::run, continuation.asOutcomeReceiver()) 54 } 55 } catch (e: Exception) { 56 Log.e(TAG, "Load error ", e) 57 listOf() 58 } 59 60 val instant24Hours = 61 Instant.ofEpochMilli(timeSource.currentTimeMillis()).minus(Duration.ofDays(1)) 62 63 // only need the last 24 hours of access logs 64 accessLogs 65 .filter { accessLog -> accessLog.accessTime.isAfter(instant24Hours) } 66 .sortedByDescending { it.accessTime } 67 } 68 } 69 70 interface ILoadRecentAccessUseCase { invokenull71 suspend fun invoke(): List<AccessLog> 72 } 73