Pin : expose the new rust sdk apis

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

@@ -180,6 +180,8 @@ interface MatrixRoom : Closeable {
 
     suspend fun canUserTriggerRoomNotification(userId: UserId): Result<Boolean>
 
+    suspend fun canUserPinUnpin(userId: UserId): Result<Boolean>
+
     suspend fun canUserJoinCall(userId: UserId): Result<Boolean> =
         canUserSendState(userId, StateEventType.CALL_MEMBER)
 

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

@@ -17,6 +17,7 @@
 package io.element.android.libraries.matrix.api.room
 
 import androidx.compose.runtime.Immutable
+import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.UserId
@@ -52,4 +53,5 @@ data class MatrixRoomInfo(
     val hasRoomCall: Boolean,
     val activeRoomCallParticipants: ImmutableList<String>,
     val heroes: ImmutableList<MatrixUser>,
+    val pinnedEventIds: ImmutableList<EventId>
 )

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/timeline/Timeline.kt

@@ -169,4 +169,23 @@ interface Timeline : AutoCloseable {
     ): Result<MediaUploadHandler>
 
     suspend fun loadReplyDetails(eventId: EventId): InReplyTo
+
+    /**
+     * Adds a new pinned event by sending an updated `m.room.pinned_events`
+     * event containing the new event id.
+     *
+     * Returns `true` if we sent the request, `false` if the event was already
+     * pinned.
+     */
+    suspend fun pinEvent(eventId: EventId): Result<Boolean>
+
+    /**
+     * Adds a new pinned event by sending an updated `m.room.pinned_events`
+     * event without the event id we want to remove.
+     *
+     * Returns `true` if we sent the request, `false` if the event wasn't
+     * pinned
+     */
+    suspend fun unpinEvent(eventId: EventId): Result<Boolean>
+
 }

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

@@ -16,6 +16,7 @@
 
 package io.element.android.libraries.matrix.impl.room
 
+import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.UserId
@@ -58,7 +59,8 @@ class MatrixRoomInfoMapper {
             userDefinedNotificationMode = it.userDefinedNotificationMode?.map(),
             hasRoomCall = it.hasRoomCall,
             activeRoomCallParticipants = it.activeRoomCallParticipants.toImmutableList(),
-            heroes = it.elementHeroes().toImmutableList()
+            heroes = it.elementHeroes().toImmutableList(),
+            pinnedEventIds = it.pinnedEventIds.map(::EventId).toImmutableList(),
         )
     }
 }

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

@@ -403,6 +403,12 @@ class RustMatrixRoom(
         }
     }
 
+    override suspend fun canUserPinUnpin(userId: UserId): Result<Boolean> {
+        return runCatching {
+            innerRoom.canUserPinUnpin(userId.value)
+        }
+    }
+
     override suspend fun sendImage(
         file: File,
         thumbnailFile: File?,

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/timeline/RustTimeline.kt

@@ -525,6 +525,18 @@ class RustTimeline(
         }
     }
 
+    override suspend fun pinEvent(eventId: EventId): Result<Boolean> = withContext(dispatcher) {
+        runCatching {
+            inner.pinEvent(eventId = eventId.value)
+        }
+    }
+
+    override suspend fun unpinEvent(eventId: EventId): Result<Boolean> = withContext(dispatcher) {
+        runCatching {
+            inner.unpinEvent(eventId = eventId.value)
+        }
+    }
+
     private suspend fun fetchDetailsForEvent(eventId: EventId): Result<Unit> {
         return runCatching {
             inner.fetchDetailsForEvent(eventId.value)

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

@@ -125,6 +125,7 @@ class FakeMatrixRoom(
     private val getWidgetDriverResult: (MatrixWidgetSettings) -> Result<MatrixWidgetDriver> = { lambdaError() },
     private val canUserTriggerRoomNotificationResult: (UserId) -> Result<Boolean> = { lambdaError() },
     private val canUserJoinCallResult: (UserId) -> Result<Boolean> = { lambdaError() },
+    private val canUserPinUnpinResult: (UserId) -> Result<Boolean> = { lambdaError() },
     private val setIsFavoriteResult: (Boolean) -> Result<Unit> = { lambdaError() },
     private val powerLevelsResult: () -> Result<MatrixRoomPowerLevels> = { lambdaError() },
     private val updatePowerLevelsResult: () -> Result<Unit> = { lambdaError() },
@@ -289,6 +290,10 @@ class FakeMatrixRoom(
         return canUserJoinCallResult(userId)
     }
 
+    override suspend fun canUserPinUnpin(userId: UserId): Result<Boolean> {
+        return canUserPinUnpinResult(userId)
+    }
+
     override suspend fun sendImage(
         file: File,
         thumbnailFile: File?,
@@ -517,6 +522,7 @@ fun aRoomInfo(
     userPowerLevels: ImmutableMap<UserId, Long> = persistentMapOf(),
     activeRoomCallParticipants: List<String> = emptyList(),
     heroes: List<MatrixUser> = emptyList(),
+    pinnedEventIds: List<EventId> = emptyList(),
 ) = MatrixRoomInfo(
     id = id,
     name = name,
@@ -542,6 +548,7 @@ fun aRoomInfo(
     userPowerLevels = userPowerLevels,
     activeRoomCallParticipants = activeRoomCallParticipants.toImmutableList(),
     heroes = heroes.toImmutableList(),
+    pinnedEventIds = pinnedEventIds.toImmutableList(),
 )
 
 fun defaultRoomPowerLevels() = MatrixRoomPowerLevels(

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/timeline/FakeTimeline.kt

@@ -33,6 +33,7 @@ import io.element.android.libraries.matrix.api.timeline.ReceiptType
 import io.element.android.libraries.matrix.api.timeline.Timeline
 import io.element.android.libraries.matrix.api.timeline.item.event.InReplyTo
 import io.element.android.libraries.matrix.test.media.FakeMediaUploadHandler
+import io.element.android.tests.testutils.lambda.lambdaError
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -371,6 +372,16 @@ class FakeTimeline(
 
     override suspend fun loadReplyDetails(eventId: EventId) = loadReplyDetailsLambda(eventId)
 
+    var pinEventLambda: (eventId: EventId) -> Result<Boolean> = lambdaError()
+    override suspend fun pinEvent(eventId: EventId): Result<Boolean> {
+        return pinEventLambda(eventId)
+    }
+
+    var unpinEventLambda: (eventId: EventId) -> Result<Boolean> = lambdaError()
+    override suspend fun unpinEvent(eventId: EventId): Result<Boolean> {
+        return unpinEventLambda(eventId)
+    }
+
     var closeCounter = 0
         private set