Upon creating AuthenticatedActivity, now checking if the user is blocked via api call and notifying the user if they are blocked via snackbar

app/src/main/java/fr/free/nrw/commons/auth/AuthenticatedActivity.java

@@ -4,8 +4,13 @@ import android.os.Bundle;
 
 import javax.inject.Inject;
 
+import fr.free.nrw.commons.R;
 import fr.free.nrw.commons.mwapi.MediaWikiApi;
 import fr.free.nrw.commons.theme.NavigationBaseActivity;
+import fr.free.nrw.commons.utils.ViewUtil;
+import io.reactivex.Observable;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.schedulers.Schedulers;
 
 import static fr.free.nrw.commons.auth.AccountUtil.AUTH_COOKIE;
 
@@ -34,6 +39,8 @@ public abstract class AuthenticatedActivity extends NavigationBaseActivity {
         if (savedInstanceState != null) {
             authCookie = savedInstanceState.getString(AUTH_COOKIE);
         }
+
+        showBlockStatus();
     }
 
     @Override
@@ -45,4 +52,16 @@ public abstract class AuthenticatedActivity extends NavigationBaseActivity {
     protected abstract void onAuthCookieAcquired(String authCookie);
 
     protected abstract void onAuthFailure();
+
+    protected void showBlockStatus()
+    {
+        Observable.fromCallable(() -> mediaWikiApi.isUserBlocked())
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .filter(result -> result)
+                .subscribe(result -> {
+                            ViewUtil.showSnackbar(findViewById(android.R.id.content), R.string.block_notification);
+                        }
+                );
+    }
 }

app/src/main/java/fr/free/nrw/commons/auth/LoginActivity.java

@@ -162,6 +162,7 @@ public class LoginActivity extends AccountAuthenticatorActivity {
         if (sessionManager.getCurrentAccount() != null
                 && sessionManager.isUserLoggedIn()
                 && sessionManager.getCachedAuthCookie() != null) {
+            sessionManager.revalidateAuthToken();
             startMainActivity();
         }
     }

app/src/main/java/fr/free/nrw/commons/mwapi/ApacheHttpClientMediaWikiApi.java

@@ -615,6 +615,26 @@ public class ApacheHttpClientMediaWikiApi implements MediaWikiApi {
         });
     }
 
+    @Override
+    public boolean isUserBlocked() {
+        boolean userBlocked = false;
+        try {
+            ApiResult result = api.action("query")
+                    .param("action", "query")
+                    .param("format", "xml")
+                    .param("meta", "userinfo")
+                    .param("uiprop", "blockinfo")
+                    .get();
+            if(result != null) {
+                userBlocked = !result.getString("/api/query/userinfo/@blockexpiry").isEmpty();
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return userBlocked;
+    }
+
     private Date parseMWDate(String mwDate) {
         SimpleDateFormat isoFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.ENGLISH); // Assuming MW always gives me UTC
         try {

app/src/main/java/fr/free/nrw/commons/mwapi/MediaWikiApi.java

@@ -75,6 +75,8 @@ public interface MediaWikiApi {
     @NonNull
     Single<Integer> getUploadCount(String userName);
 
+    boolean isUserBlocked();
+
     interface ProgressListener {
         void onProgress(long transferred, long total);
     }

app/src/main/res/values/strings.xml

@@ -283,5 +283,6 @@
   <string name="share_app_title">Share App</string>
   <string name="share_coordinates_not_present">Coordinates were not specified during image selection</string>
   <string name="error_fetching_nearby_places">Error fetching nearby places.</string>
+  <string name="block_notification">You are blocked from editing commons</string>
 
 </resources>