Change a room's permissions power levels (#2525)

* Change a room's permissions power levels

* Make `currentPermissions` use a `MatrixRoomPowerLevels?` instance instead.

* Update strings

* Update screenshots

---------

Co-authored-by: ElementBot <benoitm+elementbot@element.io>

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/MatrixRoom.kt

@@ -29,6 +29,7 @@ import io.element.android.libraries.matrix.api.media.MediaUploadHandler
 import io.element.android.libraries.matrix.api.media.VideoInfo
 import io.element.android.libraries.matrix.api.poll.PollKind
 import io.element.android.libraries.matrix.api.room.location.AssetType
+import io.element.android.libraries.matrix.api.room.powerlevels.MatrixRoomPowerLevels
 import io.element.android.libraries.matrix.api.room.powerlevels.UserRoleChange
 import io.element.android.libraries.matrix.api.timeline.MatrixTimeline
 import io.element.android.libraries.matrix.api.timeline.ReceiptType
@@ -97,6 +98,12 @@ interface MatrixRoom : Closeable {
 
     suspend fun unsubscribeFromSync()
 
+    suspend fun powerLevels(): Result<MatrixRoomPowerLevels>
+
+    suspend fun updatePowerLevels(matrixRoomPowerLevels: MatrixRoomPowerLevels): Result<Unit>
+
+    suspend fun resetPowerLevels(): Result<MatrixRoomPowerLevels>
+
     suspend fun userRole(userId: UserId): Result<RoomMember.Role>
 
     suspend fun updateUsersRoles(changes: List<UserRoleChange>): Result<Unit>

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/powerlevels/MatrixRoomPowerLevels.kt

@@ -20,6 +20,17 @@ import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.MessageEventType
 import io.element.android.libraries.matrix.api.room.StateEventType
 
+data class MatrixRoomPowerLevels(
+    val ban: Long,
+    val invite: Long,
+    val kick: Long,
+    val sendEvents: Long,
+    val redactEvents: Long,
+    val roomName: Long,
+    val roomAvatar: Long,
+    val roomTopic: Long,
+)
+
 /**
  * Shortcut for calling [MatrixRoom.canUserInvite] with our own user.
  */

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/timeline/item/event/OtherState.kt

@@ -33,7 +33,7 @@ sealed interface OtherState {
     data object RoomJoinRules : OtherState
     data class RoomName(val name: String?) : OtherState
     data object RoomPinnedEvents : OtherState
-    data class RoomPowerLevels(val users: Map<String, Long>) : OtherState
+    data class RoomUserPowerLevels(val users: Map<String, Long>) : OtherState
     data object RoomServerAcl : OtherState
     data class RoomThirdPartyInvite(val displayName: String?) : OtherState
     data object RoomTombstone : OtherState

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RustMatrixRoom.kt

@@ -39,6 +39,7 @@ import io.element.android.libraries.matrix.api.room.MessageEventType
 import io.element.android.libraries.matrix.api.room.RoomMember
 import io.element.android.libraries.matrix.api.room.StateEventType
 import io.element.android.libraries.matrix.api.room.location.AssetType
+import io.element.android.libraries.matrix.api.room.powerlevels.MatrixRoomPowerLevels
 import io.element.android.libraries.matrix.api.room.powerlevels.UserRoleChange
 import io.element.android.libraries.matrix.api.room.roomNotificationSettings
 import io.element.android.libraries.matrix.api.timeline.MatrixTimeline
@@ -54,6 +55,7 @@ import io.element.android.libraries.matrix.impl.poll.toInner
 import io.element.android.libraries.matrix.impl.room.location.toInner
 import io.element.android.libraries.matrix.impl.room.member.RoomMemberListFetcher
 import io.element.android.libraries.matrix.impl.room.member.RoomMemberMapper
+import io.element.android.libraries.matrix.impl.room.powerlevels.RoomPowerLevelsMapper
 import io.element.android.libraries.matrix.impl.timeline.RustMatrixTimeline
 import io.element.android.libraries.matrix.impl.timeline.toRustReceiptType
 import io.element.android.libraries.matrix.impl.util.mxCallbackFlow
@@ -86,6 +88,7 @@ import org.matrix.rustcomponents.sdk.messageEventContentFromHtml
 import org.matrix.rustcomponents.sdk.messageEventContentFromMarkdown
 import org.matrix.rustcomponents.sdk.use
 import timber.log.Timber
+import uniffi.matrix_sdk.RoomPowerLevelChanges
 import java.io.File
 import org.matrix.rustcomponents.sdk.Room as InnerRoom
 import org.matrix.rustcomponents.sdk.Timeline as InnerTimeline
@@ -253,6 +256,34 @@ class RustMatrixRoom(
         }
     }
 
+    override suspend fun powerLevels(): Result<MatrixRoomPowerLevels> = withContext(roomDispatcher) {
+        runCatching {
+            RoomPowerLevelsMapper.map(innerRoom.getPowerLevels())
+        }
+    }
+
+    override suspend fun updatePowerLevels(matrixRoomPowerLevels: MatrixRoomPowerLevels): Result<Unit> = withContext(roomDispatcher) {
+        runCatching {
+            val changes = RoomPowerLevelChanges(
+                ban = matrixRoomPowerLevels.ban,
+                invite = matrixRoomPowerLevels.invite,
+                kick = matrixRoomPowerLevels.kick,
+                redact = matrixRoomPowerLevels.redactEvents,
+                eventsDefault = matrixRoomPowerLevels.sendEvents,
+                roomName = matrixRoomPowerLevels.roomName,
+                roomAvatar = matrixRoomPowerLevels.roomAvatar,
+                roomTopic = matrixRoomPowerLevels.roomTopic,
+            )
+            innerRoom.applyPowerLevelChanges(changes)
+        }
+    }
+
+    override suspend fun resetPowerLevels(): Result<MatrixRoomPowerLevels> = withContext(roomDispatcher) {
+        runCatching {
+            RoomPowerLevelsMapper.map(innerRoom.resetPowerLevels())
+        }
+    }
+
     override suspend fun userAvatarUrl(userId: UserId): Result<String?> = withContext(roomDispatcher) {
         runCatching {
             innerRoom.memberAvatarUrl(userId.value)

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/powerlevels/RoomPowerLevelsMapper.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2024 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 io.element.android.libraries.matrix.impl.room.powerlevels
+
+import io.element.android.libraries.matrix.api.room.powerlevels.MatrixRoomPowerLevels
+import org.matrix.rustcomponents.sdk.RoomPowerLevels as RustRoomPowerLevels
+
+object RoomPowerLevelsMapper {
+    fun map(roomPowerLevels: RustRoomPowerLevels): MatrixRoomPowerLevels {
+        return MatrixRoomPowerLevels(
+                ban = roomPowerLevels.ban,
+                invite = roomPowerLevels.invite,
+                kick = roomPowerLevels.kick,
+                sendEvents = roomPowerLevels.eventsDefault,
+                redactEvents = roomPowerLevels.redact,
+                roomName = roomPowerLevels.roomName,
+                roomAvatar = roomPowerLevels.roomAvatar,
+                roomTopic = roomPowerLevels.roomTopic
+        )
+    }
+}

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/timeline/item/event/TimelineEventContentMapper.kt

@@ -163,7 +163,7 @@ private fun RustOtherState.map(): OtherState {
         RustOtherState.RoomJoinRules -> OtherState.RoomJoinRules
         is RustOtherState.RoomName -> OtherState.RoomName(name)
         RustOtherState.RoomPinnedEvents -> OtherState.RoomPinnedEvents
-        is RustOtherState.RoomPowerLevels -> OtherState.RoomPowerLevels(users)
+        is RustOtherState.RoomPowerLevels -> OtherState.RoomUserPowerLevels(users)
         RustOtherState.RoomServerAcl -> OtherState.RoomServerAcl
         is RustOtherState.RoomThirdPartyInvite -> OtherState.RoomThirdPartyInvite(displayName)
         RustOtherState.RoomTombstone -> OtherState.RoomTombstone

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/room/FakeMatrixRoom.kt

@@ -40,6 +40,7 @@ import io.element.android.libraries.matrix.api.room.RoomMember
 import io.element.android.libraries.matrix.api.room.RoomNotificationMode
 import io.element.android.libraries.matrix.api.room.StateEventType
 import io.element.android.libraries.matrix.api.room.location.AssetType
+import io.element.android.libraries.matrix.api.room.powerlevels.MatrixRoomPowerLevels
 import io.element.android.libraries.matrix.api.room.powerlevels.UserRoleChange
 import io.element.android.libraries.matrix.api.timeline.MatrixTimeline
 import io.element.android.libraries.matrix.api.timeline.ReceiptType
@@ -125,6 +126,9 @@ class FakeMatrixRoom(
     private var canUserTriggerRoomNotificationResult: Result<Boolean> = Result.success(true)
     private var canUserJoinCallResult: Result<Boolean> = Result.success(true)
     private var setIsFavoriteResult = Result.success(Unit)
+    private var powerLevelsResult = Result.success(defaultRoomPowerLevels())
+    private var updatePowerLevelsResult = Result.success(Unit)
+    private var resetPowerLevelsResult = Result.success(defaultRoomPowerLevels())
     var sendMessageMentions = emptyList<Mention>()
     val editMessageCalls = mutableListOf<Pair<String, String?>>()
     private val _typingRecord = mutableListOf<Boolean>()
@@ -204,6 +208,17 @@ class FakeMatrixRoom(
     override suspend fun subscribeToSync() = Unit
 
     override suspend fun unsubscribeFromSync() = Unit
+    override suspend fun powerLevels(): Result<MatrixRoomPowerLevels> {
+        return powerLevelsResult
+    }
+
+    override suspend fun updatePowerLevels(matrixRoomPowerLevels: MatrixRoomPowerLevels): Result<Unit> = simulateLongTask {
+        updatePowerLevelsResult
+    }
+
+    override suspend fun resetPowerLevels(): Result<MatrixRoomPowerLevels> = simulateLongTask {
+        resetPowerLevelsResult
+    }
 
     override fun destroy() = Unit
 
@@ -676,6 +691,18 @@ class FakeMatrixRoom(
     fun givenRoomTypingMembers(typingMembers: List<UserId>) {
         _roomTypingMembersFlow.tryEmit(typingMembers)
     }
+
+    fun givenPowerLevelsResult(result: Result<MatrixRoomPowerLevels>) {
+        powerLevelsResult = result
+    }
+
+    fun givenUpdatePowerLevelsResult(result: Result<Unit>) {
+        updatePowerLevelsResult = result
+    }
+
+    fun givenResetPowerLevelsResult(result: Result<MatrixRoomPowerLevels>) {
+        resetPowerLevelsResult = result
+    }
 }
 
 data class SendLocationInvocation(
@@ -752,3 +779,14 @@ fun aRoomInfo(
     userPowerLevels = userPowerLevels,
     activeRoomCallParticipants = activeRoomCallParticipants.toImmutableList(),
 )
+
+fun defaultRoomPowerLevels() = MatrixRoomPowerLevels(
+    ban = 50,
+    invite = 0,
+    kick = 50,
+    sendEvents = 0,
+    redactEvents = 50,
+    roomName = 100,
+    roomAvatar = 100,
+    roomTopic = 100
+)