Add dedicated methods for the EOL version checks

Signed-off-by: Joas Schilling <coding@schilljs.com>

app/src/main/java/com/nextcloud/talk/controllers/ConversationsListController.java

@@ -270,8 +270,7 @@ public class ConversationsListController extends BaseController implements Searc
         currentUser = userUtils.getCurrentUser();
 
         if (currentUser != null) {
-            if (!currentUser.hasSpreedFeatureCapability("no-ping")) {
-                // Talk 4+
+            if (currentUser.isServerEOL()) {
                 new LovelyStandardDialog(getActivity(), LovelyStandardDialog.ButtonLayout.HORIZONTAL)
                         .setTopColorRes(R.color.nc_darkRed)
                         .setIcon(DisplayUtils.getTintedDrawable(context.getResources(),

app/src/main/java/com/nextcloud/talk/controllers/SettingsController.java

@@ -553,12 +553,10 @@ public class SettingsController extends BaseController {
 
             baseUrlTextView.setText(Uri.parse(currentUser.getBaseUrl()).getHost());
 
-            if (!currentUser.hasSpreedFeatureCapability("no-ping")) {
-                // Talk 4+
+            if (currentUser.isServerEOL()) {
                 serverAgeTextView.setTextColor(getResources().getColor(R.color.nc_darkRed));
                 serverAgeTextView.setText(R.string.nc_settings_server_eol);
-            } else if (!currentUser.hasSpreedFeatureCapability("chat-replies")) {
-                // Talk 8+
+            } else if (currentUser.isServerAlmostEOL()) {
                 serverAgeTextView.setTextColor(getResources().getColor(R.color.nc_darkYellow));
                 serverAgeTextView.setText(R.string.nc_settings_server_almost_eol);
             } else {

app/src/main/java/com/nextcloud/talk/models/database/User.java

@@ -92,6 +92,16 @@ public interface User extends Parcelable, Persistable, Serializable {
         return false;
     }
 
+    default boolean isServerEOL() {
+        // Capability is available since Talk 4 => Nextcloud 14 => Autmn 2018
+        return !hasSpreedFeatureCapability("no-ping");
+    }
+
+    default boolean isServerAlmostEOL() {
+        // Capability is available since Talk 8 => Nextcloud 18 => January 2020
+        return !hasSpreedFeatureCapability("chat-replies");
+    }
+
     default boolean hasSpreedFeatureCapability(String capabilityName) {
         if (getCapabilities() != null) {
             try {