/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.permissioncontroller.permission.data.v33

import android.os.Build
import androidx.annotation.RequiresApi
import androidx.annotation.VisibleForTesting
import com.android.permissioncontroller.permission.data.SmartAsyncMediatorLiveData
import com.android.permissioncontroller.permission.service.PermissionEventStorage
import com.android.permissioncontroller.permission.service.v33.PermissionDecisionStorageImpl
import kotlinx.coroutines.Job

/** Gets all recent permission decisions made by the user. */
@RequiresApi(Build.VERSION_CODES.TIRAMISU)
class RecentPermissionDecisionsLiveData(
    @get:VisibleForTesting
    val recentDecisionsStorage: PermissionEventStorage<PermissionDecision> =
        PermissionDecisionStorageImpl.getInstance()
) : SmartAsyncMediatorLiveData<List<PermissionDecision>>() {

    override suspend fun loadDataAndPostValue(job: Job) {
        if (job.isCancelled) {
            return
        }

        // no need to subscribe to decision changes, since those will also be bubbled up through
        // package info changes
        recentDecisionsStorage.loadEvents().also { postValue(it) }
    }
}