show outdated warning also on very old servers

app/src/androidTest/java/com/owncloud/android/utils/theme/CapabilityUtilsIT.kt

@@ -0,0 +1,52 @@
+/*
+ *
+ * Nextcloud Android client application
+ *
+ * @author Tobias Kaminsky
+ * Copyright (C) 2023 Tobias Kaminsky
+ * Copyright (C) 2023 Nextcloud GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.owncloud.android.utils.theme
+
+import com.owncloud.android.AbstractIT
+import com.owncloud.android.lib.resources.status.NextcloudVersion
+import com.owncloud.android.lib.resources.status.OwnCloudVersion
+import junit.framework.TestCase.assertFalse
+import junit.framework.TestCase.assertTrue
+import org.junit.Test
+
+class CapabilityUtilsIT : AbstractIT() {
+    @Test
+    fun checkOutdatedWarning() {
+        assertFalse(test(NextcloudVersion.nextcloud_27))
+        assertFalse(test(NextcloudVersion.nextcloud_26))
+        assertFalse(test(NextcloudVersion.nextcloud_25))
+        assertFalse(test(NextcloudVersion.nextcloud_24))
+
+        assertTrue(test(NextcloudVersion.nextcloud_23))
+        assertTrue(test(NextcloudVersion.nextcloud_22))
+        assertTrue(test(NextcloudVersion.nextcloud_21))
+        assertTrue(test(OwnCloudVersion.nextcloud_20))
+        assertTrue(test(OwnCloudVersion.nextcloud_19))
+        assertTrue(test(OwnCloudVersion.nextcloud_18))
+        assertTrue(test(OwnCloudVersion.nextcloud_17))
+        assertTrue(test(OwnCloudVersion.nextcloud_16))
+    }
+
+    private fun test(version: OwnCloudVersion): Boolean {
+        return CapabilityUtils.checkOutdatedWarning(targetContext.resources, version, false)
+    }
+}

app/src/main/java/com/owncloud/android/authentication/AuthenticatorActivity.java

@@ -125,6 +125,7 @@
 import com.owncloud.android.utils.DisplayUtils;
 import com.owncloud.android.utils.ErrorMessageAdapter;
 import com.owncloud.android.utils.PermissionUtil;
+import com.owncloud.android.utils.theme.CapabilityUtils;
 import com.owncloud.android.utils.theme.ViewThemeUtils;
 
 import java.io.InputStream;
@@ -900,9 +901,9 @@ private void onGetServerInfoFinish(RemoteOperationResult result) {
             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
 
             // show outdated warning
-            if (getResources().getBoolean(R.bool.show_outdated_server_warning) &&
-                MainApp.OUTDATED_SERVER_VERSION.isSameMajorVersion(mServerInfo.mVersion) &&
-                !mServerInfo.hasExtendedSupport) {
+            if (CapabilityUtils.checkOutdatedWarning(getResources(),
+                                                     mServerInfo.mVersion,
+                                                     mServerInfo.hasExtendedSupport)) {
                 DisplayUtils.showServerOutdatedSnackbar(this, Snackbar.LENGTH_INDEFINITE);
             }
 

app/src/main/java/com/owncloud/android/ui/activity/FileDisplayActivity.java

@@ -135,6 +135,7 @@
 import com.owncloud.android.utils.PermissionUtil;
 import com.owncloud.android.utils.PushUtils;
 import com.owncloud.android.utils.StringUtils;
+import com.owncloud.android.utils.theme.CapabilityUtils;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
@@ -436,14 +437,14 @@ public void onClick(DialogInterface dialog, int which) {
 
     private void checkOutdatedServer() {
         Optional<User> user = getUser();
-
-        if (getResources().getBoolean(R.bool.show_outdated_server_warning) && user.isPresent()) {
-            OwnCloudVersion serverVersion = user.get().getServer().getVersion();
-            // show outdated warning
-            if (MainApp.OUTDATED_SERVER_VERSION.isSameMajorVersion(serverVersion) &&
-                getCapabilities().getExtendedSupport().isFalse()) {
-                DisplayUtils.showServerOutdatedSnackbar(this, Snackbar.LENGTH_LONG);
-            }
+        OwnCloudVersion serverVersion = user.get().getServer().getVersion();
+
+        // show outdated warning
+        if (user.isPresent() &&
+            CapabilityUtils.checkOutdatedWarning(getResources(),
+                                                 serverVersion,
+                                                 getCapabilities().getExtendedSupport().isTrue())) {
+            DisplayUtils.showServerOutdatedSnackbar(this, Snackbar.LENGTH_LONG);
         }
     }
 

app/src/main/java/com/owncloud/android/utils/theme/CapabilityUtils.java

@@ -24,12 +24,16 @@
 
 import android.accounts.Account;
 import android.content.Context;
+import android.content.res.Resources;
 
 import com.nextcloud.client.account.User;
 import com.nextcloud.client.account.UserAccountManagerImpl;
 import com.nextcloud.java.util.Optional;
+import com.owncloud.android.MainApp;
+import com.owncloud.android.R;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.lib.resources.status.OCCapability;
+import com.owncloud.android.lib.resources.status.OwnCloudVersion;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -88,4 +92,13 @@ public static OCCapability getCapability(User user, Context context) {
     public static void updateCapability(OCCapability capability) {
         cachedCapabilities.put(capability.getAccountName(), capability);
     }
+
+    public static boolean checkOutdatedWarning(Resources resources,
+                                               OwnCloudVersion version,
+                                               boolean hasExtendedSupport) {
+        return resources.getBoolean(R.bool.show_outdated_server_warning) &&
+            (MainApp.OUTDATED_SERVER_VERSION.isSameMajorVersion(version) ||
+                version.isOlderThan(MainApp.OUTDATED_SERVER_VERSION))
+            && !hasExtendedSupport;
+    }
 }