Add GraphQl error handling

app/src/main/java/awais/instagrabber/activities/MainActivity.java

@@ -142,8 +142,8 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
 
     @Override
     protected void onCreate(@Nullable final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
         RetrofitFactory.setup(this);
+        super.onCreate(savedInstanceState);
         binding = ActivityMainBinding.inflate(getLayoutInflater());
         final String cookie = settingsHelper.getString(Constants.COOKIE);
         CookieUtils.setupCookies(cookie);
@@ -853,4 +853,8 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
     public Toolbar getToolbar() {
         return binding.toolbar;
     }
+
+    public View getRootView() {
+        return binding.getRoot();
+    }
 }

app/src/main/java/awais/instagrabber/webservices/NewsService.java

@@ -13,15 +13,11 @@ import awais.instagrabber.repositories.NewsRepository;
 import awais.instagrabber.repositories.responses.AymlResponse;
 import awais.instagrabber.repositories.responses.AymlUser;
 import awais.instagrabber.repositories.responses.NewsInboxResponse;
-import awais.instagrabber.repositories.responses.Notification;
-import awais.instagrabber.repositories.responses.NotificationArgs;
-import awais.instagrabber.repositories.responses.NotificationCounts;
-import awais.instagrabber.repositories.responses.NewsInboxResponse;
+import awais.instagrabber.repositories.responses.User;
+import awais.instagrabber.repositories.responses.UserSearchResponse;
 import awais.instagrabber.repositories.responses.notification.Notification;
 import awais.instagrabber.repositories.responses.notification.NotificationArgs;
 import awais.instagrabber.repositories.responses.notification.NotificationCounts;
-import awais.instagrabber.repositories.responses.User;
-import awais.instagrabber.repositories.responses.UserSearchResponse;
 import awais.instagrabber.utils.Constants;
 import retrofit2.Call;
 import retrofit2.Callback;

app/src/main/java/awais/instagrabber/webservices/SearchService.java

@@ -1,16 +1,10 @@
 package awais.instagrabber.webservices;
 
-import androidx.annotation.NonNull;
-
 import com.google.common.collect.ImmutableMap;
 
 import awais.instagrabber.repositories.SearchRepository;
 import awais.instagrabber.repositories.responses.search.SearchResponse;
-import awais.instagrabber.utils.TextUtils;
 import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-import retrofit2.Retrofit;
 
 public class SearchService extends BaseService {
     private static final String TAG = "LocationService";
@@ -20,10 +14,9 @@ public class SearchService extends BaseService {
     private static SearchService instance;
 
     private SearchService() {
-        final Retrofit retrofit = getRetrofitBuilder()
-                .baseUrl("https://www.instagram.com")
-                .build();
-        repository = retrofit.create(SearchRepository.class);
+        repository = RetrofitFactory.getInstance()
+                                    .getRetrofitWeb()
+                                    .create(SearchRepository.class);
     }
 
     public static SearchService getInstance() {

app/src/main/java/awais/instagrabber/webservices/interceptors/IgErrorsInterceptor.java

@@ -1,10 +1,13 @@
 package awais.instagrabber.webservices.interceptors;
 
 import android.util.Log;
+import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.StringRes;
 
+import com.google.android.material.snackbar.Snackbar;
+
 import org.json.JSONObject;
 
 import java.io.IOException;
@@ -51,6 +54,16 @@ public class IgErrorsInterceptor implements Interceptor {
                 // show dialog?
                 Log.e(TAG, "Network error: " + getMessage(errorCode, "The request start-line and/or headers are too large to process."));
                 return;
+            case 404:
+                showErrorDialog(R.string.not_found);
+                return;
+            case 302: // redirect
+                final String location = response.header("location");
+                if (location.equals("https://www.instagram.com/accounts/login/")) {
+                    // rate limited
+                    showErrorDialog(R.string.rate_limit);
+                }
+                return;
         }
         final ResponseBody body = response.body();
         if (body == null) return;
@@ -67,9 +80,13 @@ public class IgErrorsInterceptor implements Interceptor {
                     case "login_required":
                         showErrorDialog(R.string.login_required);
                         return;
+                    case "execution failure":
+                        showSnackbar(message);
+                        return;
                     case "not authorized to view user": // Do we handle this in profile view fragment?
                     case "challenge_required": // Since we make users login using browser, we should not be getting this error in api requests
                     default:
+                        showSnackbar(message);
                         Log.e(TAG, "checkError: " + bodyString);
                         return;
                 }
@@ -88,6 +105,12 @@ public class IgErrorsInterceptor implements Interceptor {
         }
     }
 
+    private void showSnackbar(final String message) {
+        final View view = mainActivity.getRootView();
+        if (view == null) return;
+        Snackbar.make(view, message, Snackbar.LENGTH_LONG).show();
+    }
+
     @NonNull
     private String getMessage(final int errorCode, final String message) {
         return String.format("code: %s, internalMessage: %s", errorCode, message);

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

@@ -481,4 +481,6 @@
     <string name="inactive_user">User is inactive!</string>
     <string name="crash_report_subject">Barinsta Crash Report</string>
     <string name="crash_report_title">Select an email app to send crash logs</string>
+    <string name="not_found">Not found!</string>
+    <string name="rate_limit">Your IP has been rate limited by Instagram. Wait for an hour and try again.</string>
 </resources>