create room : start integrating the address field

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/CreateRoomConfig.kt

@@ -19,4 +19,6 @@ data class CreateRoomConfig(
     val avatarUri: Uri? = null,
     val invites: ImmutableList<MatrixUser> = persistentListOf(),
     val roomVisibility: RoomVisibilityState = RoomVisibilityState.Private,
-)
+) {
+    val isValid = roomName.isNullOrEmpty().not() && roomVisibility.isValid()
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/CreateRoomDataStore.kt

@@ -11,6 +11,7 @@ import android.net.Uri
 import io.element.android.features.createroom.impl.configureroom.RoomAccess
 import io.element.android.features.createroom.impl.configureroom.RoomAccessItem
 import io.element.android.features.createroom.impl.configureroom.RoomAddress
+import io.element.android.features.createroom.impl.configureroom.RoomAddressErrorState
 import io.element.android.features.createroom.impl.configureroom.RoomVisibilityItem
 import io.element.android.features.createroom.impl.configureroom.RoomVisibilityState
 import io.element.android.features.createroom.impl.di.CreateRoomScope
@@ -23,7 +24,6 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.getAndUpdate
 import java.io.File
-import java.text.Normalizer
 import javax.inject.Inject
 
 @SingleIn(CreateRoomScope::class)
@@ -86,6 +86,7 @@ class CreateRoomDataStore @Inject constructor(
                     RoomVisibilityItem.Private -> RoomVisibilityState.Private
                     RoomVisibilityItem.Public -> RoomVisibilityState.Public(
                         roomAddress = RoomAddress.AutoFilled(config.roomName.orEmpty()),
+                        roomAddressErrorState = RoomAddressErrorState.None,
                         roomAccess = RoomAccess.Anyone,
                     )
                 }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomPresenter.kt

@@ -22,7 +22,7 @@ import io.element.android.features.createroom.impl.CreateRoomConfig
 import io.element.android.features.createroom.impl.CreateRoomDataStore
 import io.element.android.libraries.architecture.AsyncAction
 import io.element.android.libraries.architecture.Presenter
-import io.element.android.libraries.architecture.runCatchingUpdatingState
+import io.element.android.libraries.architecture.runUpdatingState
 import io.element.android.libraries.core.mimetype.MimeTypes
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.RoomId
@@ -39,7 +39,7 @@ import io.element.android.services.analytics.api.AnalyticsService
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
-import java.util.Optional
+import timber.log.Timber
 import javax.inject.Inject
 
 class ConfigureRoomPresenter @Inject constructor(
@@ -132,7 +132,7 @@ class ConfigureRoomPresenter @Inject constructor(
         config: CreateRoomConfig,
         createRoomAction: MutableState<AsyncAction<RoomId>>
     ) = launch {
-        suspend {
+        runUpdatingState(createRoomAction) {
             val avatarUrl = config.avatarUri?.let { uploadAvatar(it) }
             val params = CreateRoomParameters(
                 name = config.roomName,
@@ -144,13 +144,17 @@ class ConfigureRoomPresenter @Inject constructor(
                 preset = if (config.roomVisibility is RoomVisibilityState.Public) RoomPreset.PUBLIC_CHAT else RoomPreset.PRIVATE_CHAT,
                 invite = config.invites.map { it.userId },
                 avatar = avatarUrl,
+                canonicalAlias = config.roomVisibility.roomAddress()
             )
-            matrixClient.createRoom(params).getOrThrow()
+            matrixClient.createRoom(params)
-                .also {
+                .onFailure { failure ->
+                    Timber.e(failure, "Failed to create room")
+                }
+                .onSuccess {
                     dataStore.clearCachedData()
                     analyticsService.capture(CreatedRoom(isDM = false))
                 }
-        }.runCatchingUpdatingState(createRoomAction)
+        }
     }
 
     private suspend fun uploadAvatar(avatarUri: Uri): String {

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomState.kt

@@ -21,6 +21,4 @@ data class ConfigureRoomState(
     val cameraPermissionState: PermissionsState,
     val homeserverName: String,
     val eventSink: (ConfigureRoomEvents) -> Unit
-) {
+)
-    val isCreateButtonEnabled: Boolean = config.roomName.isNullOrEmpty().not()
-}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomStateProvider.kt

@@ -26,7 +26,8 @@ open class ConfigureRoomStateProvider : PreviewParameterProvider<ConfigureRoomSt
                     invites = aMatrixUserList().toImmutableList(),
                     roomVisibility = RoomVisibilityState.Public(
                         roomAddress = RoomAddress.AutoFilled("Room 101"),
-                        roomAccess = RoomAccess.Knocking
+                        roomAccess = RoomAccess.Knocking,
+                        roomAddressErrorState = RoomAddressErrorState.None,
                     ),
                 ),
             ),

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomView.kt

@@ -78,7 +78,7 @@ fun ConfigureRoomView(
         modifier = modifier.clearFocusOnTap(focusManager),
         topBar = {
             ConfigureRoomToolbar(
-                isNextActionEnabled = state.isCreateButtonEnabled,
+                isNextActionEnabled = state.config.isValid,
                 onBackClick = onBackClick,
                 onNextClick = {
                     focusManager.clearFocus()
@@ -138,7 +138,7 @@ fun ConfigureRoomView(
                         state.eventSink(ConfigureRoomEvents.RoomAccessChanged(it))
                     },
                 )
-                RoomAddress(
+                RoomAddressField(
                     modifier = Modifier.padding(horizontal = 16.dp),
                     address = state.config.roomVisibility.roomAddress,
                     homeserverName = state.homeserverName,
@@ -310,7 +310,7 @@ private fun RoomAccessOptions(
 }
 
 @Composable
-private fun RoomAddress(
+private fun RoomAddressField(
     address: RoomAddress,
     homeserverName: String,
     onAddressChange: (String) -> Unit,
@@ -329,10 +329,7 @@ private fun RoomAddress(
         
         TextField(
             modifier = Modifier.fillMaxWidth(),
-            value = when (address) {
+            value = address.value,
-                is RoomAddress.AutoFilled -> address.address
-                is RoomAddress.Edited -> address.address
-            },
             leadingIcon = {
                 Text(
                     text = "#",

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/RoomAddress.kt

@@ -7,7 +7,7 @@
 
 package io.element.android.features.createroom.impl.configureroom
 
-sealed interface RoomAddress {
+sealed class RoomAddress(open val value: String) {
-    data class AutoFilled(val address: String) : RoomAddress
+    data class AutoFilled(override val value: String) : RoomAddress(value)
-    data class Edited(val address: String) : RoomAddress
+    data class Edited(override val value: String) : RoomAddress(value)
 }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/RoomAddressErrorState.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2024 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * Please see LICENSE in the repository root for full details.
+ */
+
+package io.element.android.features.createroom.impl.configureroom
+
+/**
+ * Represents the error state of a room address.
+ */
+sealed interface RoomAddressErrorState {
+    data object InvalidCharacters : RoomAddressErrorState
+    data object AlreadyExists : RoomAddressErrorState
+    data object None : RoomAddressErrorState
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/RoomVisibilityState.kt

@@ -7,11 +7,28 @@
 
 package io.element.android.features.createroom.impl.configureroom
 
+import java.util.Optional
+
 sealed interface RoomVisibilityState {
     data object Private : RoomVisibilityState
 
     data class Public(
         val roomAddress: RoomAddress,
-        val roomAccess: RoomAccess
+        val roomAddressErrorState: RoomAddressErrorState,
+        val roomAccess: RoomAccess,
     ) : RoomVisibilityState
+
+    fun roomAddress(): Optional<String> {
+        return when (this) {
+            is Private -> Optional.empty()
+            is Public -> Optional.of(roomAddress.value)
+        }
+    }
+
+    fun isValid(): Boolean {
+        return when (this) {
+            is Private -> true
+            is Public -> roomAddressErrorState is RoomAddressErrorState.None && roomAddress.value.isNotEmpty()
+        }
+    }
 }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/createroom/CreateRoomParameters.kt

@@ -8,6 +8,7 @@
 package io.element.android.libraries.matrix.api.createroom
 
 import io.element.android.libraries.matrix.api.core.UserId
+import java.util.Optional
 
 data class CreateRoomParameters(
     val name: String?,
@@ -19,4 +20,5 @@ data class CreateRoomParameters(
     val invite: List<UserId>? = null,
     val avatar: String? = null,
     val joinRuleOverride: JoinRuleOverride = JoinRuleOverride.None,
+    val canonicalAlias: Optional<String> = Optional.empty(),
 )

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

@@ -324,7 +324,8 @@ class RustMatrixClient(
                 joinRuleOverride = when (createRoomParams.joinRuleOverride) {
                     JoinRuleOverride.Knock -> RustJoinRule.Knock
                     JoinRuleOverride.None -> null
-                }
+                },
+                canonicalAlias = createRoomParams.canonicalAlias.getOrNull(),
             )
             val roomId = RoomId(client.createRoom(rustParams))
             // Wait to receive the room back from the sync but do not returns failure if it fails.