BayernMessenger/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/user/DefaultUserService.kt

80 lines
3.3 KiB
Kotlin

/*
* Copyright 2019 New Vector Ltd
*
* 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 im.vector.matrix.android.internal.session.user
import androidx.lifecycle.LiveData
import androidx.lifecycle.Transformations
import com.zhuinden.monarchy.Monarchy
import im.vector.matrix.android.api.MatrixCallback
import im.vector.matrix.android.api.session.user.UserService
import im.vector.matrix.android.api.session.user.model.User
import im.vector.matrix.android.api.util.Cancelable
import im.vector.matrix.android.internal.database.RealmLiveData
import im.vector.matrix.android.internal.database.mapper.asDomain
import im.vector.matrix.android.internal.database.model.UserEntity
import im.vector.matrix.android.internal.database.model.UserEntityFields
import im.vector.matrix.android.internal.database.query.where
import im.vector.matrix.android.internal.session.user.model.SearchUserTask
import im.vector.matrix.android.internal.task.TaskExecutor
import im.vector.matrix.android.internal.task.configureWith
import im.vector.matrix.android.internal.util.fetchCopied
import javax.inject.Inject
internal class DefaultUserService @Inject constructor(private val monarchy: Monarchy,
private val searchUserTask: SearchUserTask,
private val taskExecutor: TaskExecutor) : UserService {
override fun getUser(userId: String): User? {
val userEntity = monarchy.fetchCopied { UserEntity.where(it, userId).findFirst() }
?: return null
return userEntity.asDomain()
}
override fun liveUser(userId: String): LiveData<User?> {
val liveRealmData = RealmLiveData(monarchy.realmConfiguration) { realm ->
UserEntity.where(realm, userId)
}
return Transformations.map(liveRealmData) { results ->
results
.map { it.asDomain() }
.firstOrNull()
}
}
override fun liveUsers(): LiveData<List<User>> {
return monarchy.findAllMappedWithChanges(
{ realm ->
realm.where(UserEntity::class.java)
.isNotEmpty(UserEntityFields.USER_ID)
.sort(UserEntityFields.DISPLAY_NAME)
},
{ it.asDomain() }
)
}
override fun searchUsersDirectory(search: String,
limit: Int,
excludedUserIds: Set<String>,
callback: MatrixCallback<List<User>>): Cancelable {
val params = SearchUserTask.Params(limit, search, excludedUserIds)
return searchUserTask
.configureWith(params)
.dispatchTo(callback)
.executeBy(taskExecutor)
}
}