Start reusing RoomPreview for joining room not joined

vector/src/main/java/im/vector/app/features/navigation/DefaultNavigator.kt

@@ -54,6 +54,7 @@ import im.vector.app.features.pin.PinMode
 import im.vector.app.features.roomdirectory.RoomDirectoryActivity
 import im.vector.app.features.roomdirectory.createroom.CreateRoomActivity
 import im.vector.app.features.roomdirectory.roompreview.RoomPreviewActivity
+import im.vector.app.features.roomdirectory.roompreview.RoomPreviewData
 import im.vector.app.features.roommemberprofile.RoomMemberProfileActivity
 import im.vector.app.features.roommemberprofile.RoomMemberProfileArgs
 import im.vector.app.features.roomprofile.RoomProfileActivity
@@ -64,6 +65,7 @@ import im.vector.app.features.terms.ReviewTermsActivity
 import im.vector.app.features.widgets.WidgetActivity
 import im.vector.app.features.widgets.WidgetArgsBuilder
 import org.matrix.android.sdk.api.session.crypto.verification.IncomingSasVerificationTransaction
+import org.matrix.android.sdk.api.session.room.model.RoomSummary
 import org.matrix.android.sdk.api.session.room.model.roomdirectory.PublicRoom
 import org.matrix.android.sdk.api.session.room.model.thirdparty.RoomDirectoryData
 import org.matrix.android.sdk.api.session.terms.TermsService
@@ -156,12 +158,16 @@ class DefaultNavigator @Inject constructor(
         }
     }
 
-    override fun openNotJoinedRoom(context: Context, roomIdOrAlias: String?, eventId: String?, buildTask: Boolean) {
-        if (context is VectorBaseActivity) {
-            context.notImplemented("Open not joined room")
-        } else {
-            context.toast(R.string.not_implemented)
-        }
+    override fun openNotJoinedRoom(context: Context, roomId: String, eventId: String?, roomSummary: RoomSummary?, buildTask: Boolean) {
+        val roomPreviewData = RoomPreviewData(
+                roomId = roomId,
+                eventId = eventId,
+                roomAlias = roomSummary?.canonicalAlias,
+                roomName = roomSummary?.displayName,
+                avatarUrl = roomSummary?.avatarUrl
+        )
+        val intent = RoomPreviewActivity.newIntent(context, roomPreviewData)
+        context.startActivity(intent)
     }
 
     override fun openGroupDetail(groupId: String, context: Context, buildTask: Boolean) {

vector/src/main/java/im/vector/app/features/navigation/Navigator.kt

@@ -28,6 +28,7 @@ import im.vector.app.features.pin.PinMode
 import im.vector.app.features.settings.VectorSettingsActivity
 import im.vector.app.features.share.SharedData
 import im.vector.app.features.terms.ReviewTermsActivity
+import org.matrix.android.sdk.api.session.room.model.RoomSummary
 import org.matrix.android.sdk.api.session.room.model.roomdirectory.PublicRoom
 import org.matrix.android.sdk.api.session.room.model.thirdparty.RoomDirectoryData
 import org.matrix.android.sdk.api.session.terms.TermsService
@@ -50,7 +51,7 @@ interface Navigator {
 
     fun openRoomForSharingAndFinish(activity: Activity, roomId: String, sharedData: SharedData)
 
-    fun openNotJoinedRoom(context: Context, roomIdOrAlias: String?, eventId: String? = null, buildTask: Boolean = false)
+    fun openNotJoinedRoom(context: Context, roomId: String, eventId: String? = null, roomSummary: RoomSummary?, buildTask: Boolean = false)
 
     fun openRoomPreview(context: Context, publicRoom: PublicRoom, roomDirectoryData: RoomDirectoryData)
 

vector/src/main/java/im/vector/app/features/permalink/PermalinkHandler.kt

@@ -19,12 +19,15 @@ package im.vector.app.features.permalink
 import android.content.Context
 import android.net.Uri
 import im.vector.app.core.di.ActiveSessionHolder
+import im.vector.app.core.utils.toast
 import im.vector.app.features.navigation.Navigator
 import io.reactivex.Single
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.schedulers.Schedulers
+import org.matrix.android.sdk.api.extensions.orFalse
 import org.matrix.android.sdk.api.session.permalinks.PermalinkData
 import org.matrix.android.sdk.api.session.permalinks.PermalinkParser
+import org.matrix.android.sdk.api.session.room.model.Membership
 import org.matrix.android.sdk.api.util.Optional
 import org.matrix.android.sdk.rx.rx
 import javax.inject.Inject
@@ -82,8 +85,7 @@ class PermalinkHandler @Inject constructor(private val activeSessionHolder: Acti
     private fun PermalinkData.RoomLink.getRoomId(): Single<Optional<String>> {
         val session = activeSessionHolder.getSafeActiveSession()
         return if (isRoomAlias && session != null) {
-            // At the moment we are not fetching on the server as we don't handle not join room
-            session.rx().getRoomIdByAlias(roomIdOrAlias, false).subscribeOn(Schedulers.io())
+            session.rx().getRoomIdByAlias(roomIdOrAlias, true).subscribeOn(Schedulers.io())
         } else {
             Single.just(Optional.from(roomIdOrAlias))
         }
@@ -94,10 +96,21 @@ class PermalinkHandler @Inject constructor(private val activeSessionHolder: Acti
      */
     private fun openRoom(context: Context, roomId: String?, eventId: String?, buildTask: Boolean) {
         val session = activeSessionHolder.getSafeActiveSession() ?: return
-        return if (roomId != null && session.getRoom(roomId) != null) {
+        if (roomId == null) {
+            context.toast("Couldn't get roomId in permalink data.")
+            return
+        }
+        val roomSummary = session.getRoomSummary(roomId)
+        return when {
+            roomSummary?.membership?.isActive().orFalse() -> {
                 navigator.openRoom(context, roomId, eventId, buildTask)
-        } else {
-            navigator.openNotJoinedRoom(context, roomId, eventId, buildTask)
+            }
+            roomSummary?.membership != Membership.BAN     -> {
+                navigator.openNotJoinedRoom(context, roomId, eventId, roomSummary, buildTask)
+            }
+            else                                          -> {
+                context.toast("Can't open a room where you are banned from.")
+            }
         }
     }
 }

vector/src/main/java/im/vector/app/features/roomdirectory/roompreview/RoomPreviewActivity.kt

@@ -24,20 +24,22 @@ import im.vector.app.R
 import im.vector.app.core.extensions.addFragment
 import im.vector.app.core.platform.ToolbarConfigurable
 import im.vector.app.core.platform.VectorBaseActivity
+import kotlinx.android.parcel.Parcelize
 import org.matrix.android.sdk.api.session.room.model.roomdirectory.PublicRoom
 import org.matrix.android.sdk.api.session.room.model.thirdparty.RoomDirectoryData
 import org.matrix.android.sdk.api.util.MatrixItem
-import kotlinx.android.parcel.Parcelize
 
 @Parcelize
 data class RoomPreviewData(
         val roomId: String,
-        val roomName: String?,
-        val roomAlias: String?,
-        val topic: String?,
-        val worldReadable: Boolean,
-        val avatarUrl: String?,
-        val homeServer: String?
+        val eventId: String? = null,
+        val roomName: String? = null,
+        val roomAlias: String? = null,
+        val topic: String? = null,
+        val worldReadable: Boolean = false,
+        val avatarUrl: String? = null,
+        val homeServer: String? = null,
+        val buildTask: Boolean = false
 ) : Parcelable {
     val matrixItem: MatrixItem
         get() = MatrixItem.RoomItem(roomId, roomName ?: roomAlias, avatarUrl)
@@ -48,6 +50,12 @@ class RoomPreviewActivity : VectorBaseActivity(), ToolbarConfigurable {
     companion object {
         private const val ARG = "ARG"
 
+        fun newIntent(context: Context, roomPreviewData: RoomPreviewData): Intent {
+            return Intent(context, RoomPreviewActivity::class.java).apply {
+                putExtra(ARG, roomPreviewData)
+            }
+        }
+
         fun getIntent(context: Context, publicRoom: PublicRoom, roomDirectoryData: RoomDirectoryData): Intent {
             return Intent(context, RoomPreviewActivity::class.java).apply {
                 putExtra(ARG, RoomPreviewData(

vector/src/main/java/im/vector/app/features/roomdirectory/roompreview/RoomPreviewNoPreviewFragment.kt

@@ -48,13 +48,15 @@ class RoomPreviewNoPreviewFragment @Inject constructor(
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setupToolbar(roomPreviewNoPreviewToolbar)
+        val titleText = roomPreviewData.roomName ?: roomPreviewData.roomAlias ?: roomPreviewData.roomId
+
         // Toolbar
         avatarRenderer.render(roomPreviewData.matrixItem, roomPreviewNoPreviewToolbarAvatar)
-        roomPreviewNoPreviewToolbarTitle.text = roomPreviewData.roomName ?: roomPreviewData.roomAlias
+        roomPreviewNoPreviewToolbarTitle.text = titleText
 
         // Screen
         avatarRenderer.render(roomPreviewData.matrixItem, roomPreviewNoPreviewAvatar)
-        roomPreviewNoPreviewName.text = roomPreviewData.roomName ?: roomPreviewData.roomAlias
+        roomPreviewNoPreviewName.text = titleText
         roomPreviewNoPreviewTopic.setTextOrHide(roomPreviewData.topic)
 
         if (roomPreviewData.worldReadable) {
@@ -98,7 +100,7 @@ class RoomPreviewNoPreviewFragment @Inject constructor(
             // Quit this screen
             requireActivity().finish()
             // Open room
-            navigator.openRoom(requireActivity(), roomPreviewData.roomId)
+            navigator.openRoom(requireActivity(), roomPreviewData.roomId, roomPreviewData.eventId, roomPreviewData.buildTask)
         }
     }
 }