1 /*
<lambda>null2  * Copyright (C) 2024 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.exportimport.api
18 
19 import android.health.connect.HealthConnectException
20 import android.util.Log
21 import androidx.core.os.asOutcomeReceiver
22 import javax.inject.Inject
23 import javax.inject.Singleton
24 import kotlinx.coroutines.Dispatchers
25 import kotlinx.coroutines.suspendCancellableCoroutine
26 import kotlinx.coroutines.withContext
27 
28 @Singleton
29 class QueryDocumentProvidersUseCase
30 @Inject
31 constructor(
32     private val healthDataExportManager: HealthDataExportManager,
33 ) : IQueryDocumentProvidersUseCase {
34     companion object {
35         private const val TAG = "QueryDocumentProvidersUseCase"
36     }
37 
38     /** Returns the available document providers. */
39     override suspend operator fun invoke(): ExportImportUseCaseResult<List<DocumentProvider>> =
40         withContext(Dispatchers.IO) {
41             try {
42                 val documentProviders: List<DocumentProvider> =
43                     suspendCancellableCoroutine { continuation ->
44                             healthDataExportManager.queryDocumentProviders(
45                                 Runnable::run, continuation.asOutcomeReceiver())
46                         }
47                         .groupBy({
48                             DocumentProviderInfo(it.title, it.authority, it.iconResource)
49                         }) {
50                             DocumentProviderRoot(it.summary, it.rootUri)
51                         }
52                         .map { DocumentProvider(it.key, sortDocumentProviderRoots(it.value)) }
53                         .stream()
54                         .sorted { provider1, provider2 ->
55                             provider1.info.title.compareTo(provider2.info.title)
56                         }
57                         .toList()
58                 ExportImportUseCaseResult.Success(documentProviders)
59             } catch (ex: HealthConnectException) {
60                 Log.e(TAG, "Query document providers error: ", ex)
61                 ExportImportUseCaseResult.Failed(ex)
62             }
63         }
64 
65     private fun sortDocumentProviderRoots(
66         roots: List<DocumentProviderRoot>
67     ): List<DocumentProviderRoot> {
68         return roots
69             .stream()
70             .sorted { root1, root2 -> root1.summary.compareTo(root2.summary) }
71             .toList()
72     }
73 }
74 
75 interface IQueryDocumentProvidersUseCase {
76     /** Returns the available document providers. */
invokenull77     suspend fun invoke(): ExportImportUseCaseResult<List<DocumentProvider>>
78 }
79