Merge pull request #1573 from seannemann21/show-block-status

Show Block Status if use is blocked

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 +52,20 @@ public abstract class AuthenticatedActivity extends NavigationBaseActivity {
     protected abstract void onAuthCookieAcquired(String authCookie);
 
     protected abstract void onAuthFailure();
+
+    /**
+     * Makes API call to check if user is blocked from Commons. If the user is blocked, a snackbar
+     * is created to notify the user
+     */
+    protected void showBlockStatus()
+    {
+        Observable.fromCallable(() -> mediaWikiApi.isUserBlockedFromCommons())
+                .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

@@ -166,6 +166,7 @@ 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

@@ -39,6 +39,7 @@ import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 import java.util.Locale;
+import java.util.TimeZone;
 import java.util.concurrent.Callable;
 
 import fr.free.nrw.commons.BuildConfig;
@@ -724,12 +725,48 @@ public class ApacheHttpClientMediaWikiApi implements MediaWikiApi {
         });
     }
 
+    /**
+     * Checks to see if a user is currently blocked from Commons
+     * @return whether or not the user is blocked from Commons
+     */
+    @Override
+    public boolean isUserBlockedFromCommons() {
+        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) {
+                String blockEnd = result.getString("/api/query/userinfo/@blockexpiry");
+                if(blockEnd.equals("infinite"))
+                {
+                    userBlocked = true;
+                }
+                else if (!blockEnd.isEmpty()) {
+                    Date endDate = parseMWDate(blockEnd);
+                    Date current = new Date();
+                    userBlocked = endDate.after(current);
+                }
+
+            }
+        } 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
+        isoFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
         try {
             return isoFormat.parse(mwDate);
         } catch (ParseException e) {
             throw new RuntimeException(e);
         }
     }
+
 }

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

@@ -85,6 +85,8 @@ public interface MediaWikiApi {
     @NonNull
     Single<Integer> getUploadCount(String userName);
 
+    boolean isUserBlockedFromCommons();
+
     interface ProgressListener {
         void onProgress(long transferred, long total);
     }