Refactor userEventPermissions

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesPresenter.kt

@@ -25,6 +25,7 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.produceState
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.saveable.rememberSaveable
@@ -74,12 +75,13 @@ import io.element.android.libraries.matrix.api.room.MatrixRoomInfo
 import io.element.android.libraries.matrix.api.room.MatrixRoomMembersState
 import io.element.android.libraries.matrix.api.room.MessageEventType
 import io.element.android.libraries.matrix.api.room.isDm
+import io.element.android.libraries.matrix.api.room.powerlevels.canPinUnpin
+import io.element.android.libraries.matrix.api.room.powerlevels.canRedactOther
+import io.element.android.libraries.matrix.api.room.powerlevels.canRedactOwn
+import io.element.android.libraries.matrix.api.room.powerlevels.canSendMessage
 import io.element.android.libraries.matrix.ui.messages.reply.map
 import io.element.android.libraries.matrix.ui.model.getAvatarData
 import io.element.android.libraries.matrix.ui.room.canCall
-import io.element.android.libraries.matrix.ui.room.canRedactOtherAsState
-import io.element.android.libraries.matrix.ui.room.canRedactOwnAsState
-import io.element.android.libraries.matrix.ui.room.canSendMessageAsState
 import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.libraries.ui.strings.CommonStrings
 import kotlinx.collections.immutable.toPersistentList
@@ -234,20 +236,14 @@ class MessagesPresenter @AssistedInject constructor(
 
     @Composable
     private fun userEventPermissions(updateKey: Long): State<UserEventPermissions> {
-        val userHasPermissionToSendMessage by room.canSendMessageAsState(type = MessageEventType.ROOM_MESSAGE, updateKey = updateKey)
-        val userHasPermissionToRedactOwn by room.canRedactOwnAsState(updateKey = updateKey)
-        val userHasPermissionToRedactOther by room.canRedactOtherAsState(updateKey = updateKey)
-        val userHasPermissionToSendReaction by room.canSendMessageAsState(type = MessageEventType.REACTION, updateKey = updateKey)
-        return remember {
-            derivedStateOf {
-                UserEventPermissions(
-                    canSendMessage = userHasPermissionToSendMessage,
-                    canRedactOwn = userHasPermissionToRedactOwn,
-                    canRedactOther = userHasPermissionToRedactOther,
-                    canSendReaction = userHasPermissionToSendReaction,
-                    canPin = false,
-                )
-            }
+        return produceState(UserEventPermissions.DEFAULT, key1 = updateKey) {
+            value = UserEventPermissions(
+                canSendMessage = room.canSendMessage(type = MessageEventType.ROOM_MESSAGE).getOrElse { true },
+                canSendReaction = room.canSendMessage(type = MessageEventType.REACTION).getOrElse { true },
+                canRedactOwn = room.canRedactOwn().getOrElse { false },
+                canRedactOther = room.canRedactOther().getOrElse { false },
+                canPinUnpin = room.canPinUnpin().getOrElse { false },
+            )
         }
     }
 

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesStateProvider.kt

@@ -150,7 +150,7 @@ fun aUserEventPermissions(
     canRedactOther = canRedactOther,
     canSendMessage = canSendMessage,
     canSendReaction = canSendReaction,
-    canPin = canPin,
+    canPinUnpin = canPin,
 )
 
 fun aReactionSummaryState(

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/UserEventPermissions.kt

@@ -25,5 +25,15 @@ data class UserEventPermissions(
     val canRedactOther: Boolean,
     val canSendMessage: Boolean,
     val canSendReaction: Boolean,
-    val canPin: Boolean,
-)
+    val canPinUnpin: Boolean,
+) {
+    companion object {
+        val DEFAULT = UserEventPermissions(
+            canRedactOwn = false,
+            canRedactOther = false,
+            canSendMessage = true,
+            canSendReaction = true,
+            canPinUnpin = false
+        )
+    }
+}

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/actionlist/ActionListPresenter.kt

@@ -133,8 +133,8 @@ private fun buildActions(
             add(TimelineItemAction.EndPoll)
         }
         // TODO: handle unpin
-        val canPin = isPinnedEventsEnabled && usersEventPermissions.canPin && timelineItem.isRemote
-        if (canPin) {
+        val canPinUnpin = isPinnedEventsEnabled && usersEventPermissions.canPinUnpin && timelineItem.isRemote
+        if (canPinUnpin) {
             add(TimelineItemAction.Pin)
         }
         if (timelineItem.content.canBeCopied()) {

features/messages/impl/src/test/kotlin/io/element/android/features/messages/impl/MessagesViewTest.kt

@@ -53,7 +53,6 @@ import io.element.android.features.messages.impl.timeline.components.reactionsum
 import io.element.android.features.messages.impl.timeline.components.receipt.aReadReceiptData
 import io.element.android.features.messages.impl.timeline.components.receipt.bottomsheet.ReadReceiptBottomSheetEvents
 import io.element.android.features.messages.impl.timeline.model.TimelineItem
-import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemTextContent
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.testtags.TestTags
 import io.element.android.libraries.ui.strings.CommonStrings
@@ -181,7 +180,7 @@ class MessagesViewTest {
                 canRedactOwn = userHasPermissionToRedactOwn,
                 canRedactOther = userHasPermissionToRedactOther,
                 canSendReaction = userHasPermissionToSendReaction,
-                canPin = userCanPinEvent,
+                canPinUnpin = userCanPinEvent,
             ),
         )
         val timelineItem = state.timelineState.timelineItems.first() as TimelineItem.Event

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

@@ -65,3 +65,8 @@ suspend fun MatrixRoom.canRedactOwn(): Result<Boolean> = canUserRedactOwn(sessio
  * Shortcut for calling [MatrixRoom.canRedactOther] with our own user.
  */
 suspend fun MatrixRoom.canRedactOther(): Result<Boolean> = canUserRedactOther(sessionId)
+
+/**
+ * Shortcut for calling [MatrixRoom.canUserPinUnpin] with our own user.
+ */
+suspend fun MatrixRoom.canPinUnpin(): Result<Boolean> = canUserPinUnpin(sessionId)

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/room/MatrixRoomState.kt

@@ -56,6 +56,13 @@ fun MatrixRoom.canCall(updateKey: Long): State<Boolean> {
     }
 }
 
+@Composable
+fun MatrixRoom.canPinUnpin(updateKey: Long): State<Boolean> {
+    return produceState(initialValue = false, key1 = updateKey) {
+        value = canUserPinUnpin(sessionId).getOrElse { false }
+    }
+}
+
 @Composable
 fun MatrixRoom.isOwnUserAdmin(): Boolean {
     val roomInfo by roomInfoFlow.collectAsState(initial = null)