Add InvalidSessionException, refactoring

app/src/main/java/gr/thmmy/mthmmy/activities/main/forum/ForumFragment.java

@@ -30,7 +30,7 @@ import gr.thmmy.mthmmy.base.BaseFragment;
 import gr.thmmy.mthmmy.model.Board;
 import gr.thmmy.mthmmy.model.Category;
 import gr.thmmy.mthmmy.session.SessionManager;
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
 import gr.thmmy.mthmmy.utils.parsing.NewParseTask;
 import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import gr.thmmy.mthmmy.views.CustomRecyclerView;

app/src/main/java/gr/thmmy/mthmmy/activities/main/recent/RecentFragment.java

@@ -26,7 +26,7 @@ import gr.thmmy.mthmmy.base.BaseApplication;
 import gr.thmmy.mthmmy.base.BaseFragment;
 import gr.thmmy.mthmmy.model.TopicSummary;
 import gr.thmmy.mthmmy.session.SessionManager;
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
 import gr.thmmy.mthmmy.utils.parsing.NewParseTask;
 import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import gr.thmmy.mthmmy.views.CustomRecyclerView;

app/src/main/java/gr/thmmy/mthmmy/activities/main/unread/UnreadFragment.java

@@ -29,9 +29,10 @@ import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.base.BaseApplication;
 import gr.thmmy.mthmmy.base.BaseFragment;
 import gr.thmmy.mthmmy.model.TopicSummary;
+import gr.thmmy.mthmmy.session.InvalidSessionException;
 import gr.thmmy.mthmmy.session.SessionManager;
 import gr.thmmy.mthmmy.session.ValidateSessionTask;
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
 import gr.thmmy.mthmmy.utils.parsing.NewParseTask;
 import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import gr.thmmy.mthmmy.views.CustomRecyclerView;
@@ -266,6 +267,8 @@ public class UnreadFragment extends BaseFragment {
             hideProgressUI();
             if (resultCode == NetworkResultCodes.NETWORK_ERROR)
                 Toast.makeText(getContext(), "Network error", Toast.LENGTH_SHORT).show();
+            else if (resultCode == SessionManager.INVALID_SESSION)
+                Toast.makeText(getContext(), "Session verification failed. Please try logging in again.", Toast.LENGTH_LONG).show();
             else
                 Toast.makeText(getContext(), "Unexpected error," +
                         " please contact the developers with the details", Toast.LENGTH_LONG).show();
@@ -278,7 +281,10 @@ public class UnreadFragment extends BaseFragment {
         }
 
         @Override
-        protected ArrayList<TopicSummary> parse(Document document, Response response) throws ParseException {
+        protected ArrayList<TopicSummary> parse(Document document, Response response) throws ParseException, InvalidSessionException {
+            if(!document.select("td:containsOwn(Only registered members are allowed to access this section.)").isEmpty())
+                throw new InvalidSessionException();
+
             Elements unread = document.select("table.bordercolor[cellspacing=1] tr:not(.titlebg)");
             ArrayList<TopicSummary> fetchedTopicSummaries = new ArrayList<>();
             if (!unread.isEmpty()) {
@@ -338,42 +344,42 @@ public class UnreadFragment extends BaseFragment {
         progressBar.setVisibility(ProgressBar.VISIBLE);
     }
 
-    private void onMarkReadTaskFinished(int resultCode,  Boolean isSessionVerified) {
+    private void onMarkReadTaskFinished(int resultCode,  Void isSessionVerified) {
         hideProgressUI();
-        if (resultCode == NetworkResultCodes.SUCCESSFUL) {
-            if (!isSessionVerified){
-                Toast.makeText(getContext(), "Session verification failed", Toast.LENGTH_SHORT).show();
-                startValidateSessionTask();
-            }
-            else
+        if (resultCode == NetworkResultCodes.SUCCESSFUL)
                 startUnreadTask();
-        }
         else{
             hideProgressUI();
             if (resultCode == NetworkResultCodes.NETWORK_ERROR)
                 Toast.makeText(getContext(), "Network error", Toast.LENGTH_SHORT).show();
+            else if (resultCode == SessionManager.INVALID_SESSION){
+                Toast.makeText(getContext(), "Session verification failed. Please try logging out and back in again", Toast.LENGTH_LONG).show();
+                startValidateSessionTask();
+            }
             else
                 Toast.makeText(getContext(), "Unexpected error," +
                         " please contact the developers with the details", Toast.LENGTH_LONG).show();
         }
     }
 
-    private class MarkReadTask extends NewParseTask<Boolean> {
-        MarkReadTask(OnTaskStartedListener onTaskStartedListener, OnNetworkTaskFinishedListener<Boolean> onParseTaskFinishedListener) {
+    private class MarkReadTask extends NewParseTask<Void> {
+        MarkReadTask(OnTaskStartedListener onTaskStartedListener, OnNetworkTaskFinishedListener<Void> onParseTaskFinishedListener) {
             super(onTaskStartedListener,  onParseTaskFinishedListener);
         }
 
         @Override
-        protected Boolean parse(Document document, Response response) throws ParseException {
+        protected Void parse(Document document, Response response) throws ParseException {
             Elements sessionVerificationFailed = document.select("td:containsOwn(Session " +
                     "verification failed. Please try logging out and back in again, and then try " +
                     "again.), td:containsOwn(Η επαλήθευση συνόδου απέτυχε. Παρακαλούμε κάντε " +
                     "αποσύνδεση, επανασύνδεση και ξαναδοκιμάστε.)");
-            return sessionVerificationFailed.isEmpty();
+            if(!sessionVerificationFailed.isEmpty())
+                throw new InvalidSessionException();
+            return null;
         }
 
         @Override
-        protected int getResultCode(Response response, Boolean isSessionVerified) {
+        protected int getResultCode(Response response, Void v) {
             return NetworkResultCodes.SUCCESSFUL;
         }
     }

app/src/main/java/gr/thmmy/mthmmy/activities/profile/ProfileActivity.java

@@ -45,8 +45,8 @@ import gr.thmmy.mthmmy.activities.topic.TopicActivity;
 import gr.thmmy.mthmmy.base.BaseActivity;
 import gr.thmmy.mthmmy.model.PostSummary;
 import gr.thmmy.mthmmy.model.ThmmyPage;
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
 import gr.thmmy.mthmmy.utils.Parcel;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
 import gr.thmmy.mthmmy.utils.parsing.NewParseTask;
 import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import gr.thmmy.mthmmy.utils.ui.CenterVerticalSpan;

app/src/main/java/gr/thmmy/mthmmy/activities/shoutbox/SendShoutTask.java

@@ -4,8 +4,8 @@ import org.jsoup.nodes.Document;
 
 import java.io.IOException;
 
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
-import gr.thmmy.mthmmy.utils.NetworkTask;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkTask;
 import okhttp3.MultipartBody;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;

app/src/main/java/gr/thmmy/mthmmy/activities/shoutbox/ShoutboxFragment.java

@@ -21,7 +21,7 @@ import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.base.BaseApplication;
 import gr.thmmy.mthmmy.model.Shout;
 import gr.thmmy.mthmmy.model.Shoutbox;
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
 import gr.thmmy.mthmmy.viewmodel.ShoutboxViewModel;
 import gr.thmmy.mthmmy.views.CustomRecyclerView;
 import gr.thmmy.mthmmy.views.editorview.EditorView;

app/src/main/java/gr/thmmy/mthmmy/activities/shoutbox/ShoutboxTask.java

@@ -7,7 +7,7 @@ import java.util.ArrayList;
 
 import gr.thmmy.mthmmy.model.Shout;
 import gr.thmmy.mthmmy.model.Shoutbox;
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
 import gr.thmmy.mthmmy.utils.parsing.NewParseTask;
 import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import gr.thmmy.mthmmy.utils.parsing.ParseHelpers;

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicActivity.java

@@ -54,7 +54,7 @@ import gr.thmmy.mthmmy.model.Post;
 import gr.thmmy.mthmmy.model.ThmmyPage;
 import gr.thmmy.mthmmy.model.TopicItem;
 import gr.thmmy.mthmmy.utils.HTMLUtils;
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
 import gr.thmmy.mthmmy.utils.parsing.ParseHelpers;
 import gr.thmmy.mthmmy.viewmodel.TopicViewModel;
 import gr.thmmy.mthmmy.views.CustomLinearLayoutManager;

app/src/main/java/gr/thmmy/mthmmy/activities/topic/tasks/DeleteTask.java

@@ -4,8 +4,8 @@ import org.jsoup.nodes.Document;
 
 import java.io.IOException;
 
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
-import gr.thmmy.mthmmy.utils.NetworkTask;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkTask;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;

app/src/main/java/gr/thmmy/mthmmy/activities/topic/tasks/RemoveVoteTask.java

@@ -2,8 +2,8 @@ package gr.thmmy.mthmmy.activities.topic.tasks;
 
 import org.jsoup.nodes.Document;
 
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
-import gr.thmmy.mthmmy.utils.NetworkTask;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkTask;
 import okhttp3.Response;
 
 public class RemoveVoteTask extends NetworkTask<Void> {

app/src/main/java/gr/thmmy/mthmmy/activities/topic/tasks/SubmitVoteTask.java

@@ -4,8 +4,8 @@ import org.jsoup.nodes.Document;
 
 import java.io.IOException;
 
-import gr.thmmy.mthmmy.utils.NetworkResultCodes;
-import gr.thmmy.mthmmy.utils.NetworkTask;
+import gr.thmmy.mthmmy.utils.networking.NetworkResultCodes;
+import gr.thmmy.mthmmy.utils.networking.NetworkTask;
 import okhttp3.MultipartBody;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;

app/src/main/java/gr/thmmy/mthmmy/base/BaseActivity.java

@@ -463,8 +463,7 @@ public abstract class BaseActivity extends AppCompatActivity {
 
     private void updateDrawer() {
         if (drawer != null) {
-            if (!sessionManager.isLoggedIn()) //When logged out or if user is guest
-            {
+            if (!sessionManager.isLoggedIn()){ //When logged out or if user is guest
                 drawer.removeItem(DOWNLOADS_ID);
                 drawer.removeItem(UPLOAD_ID);
                 loginLogoutItem.withName(R.string.login).withIcon(loginIcon); //Swap logout with login
@@ -486,7 +485,6 @@ public abstract class BaseActivity extends AppCompatActivity {
             }
             accountHeader.updateProfile(profileDrawerItem);
             drawer.updateItem(loginLogoutItem);
-
         }
     }
 

app/src/main/java/gr/thmmy/mthmmy/session/InvalidSessionException.java

@@ -0,0 +1,13 @@
+package gr.thmmy.mthmmy.session;
+
+public class InvalidSessionException extends RuntimeException {
+    public InvalidSessionException() {}
+
+    public InvalidSessionException(String message) {
+        super(message);
+    }
+
+    public InvalidSessionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

app/src/main/java/gr/thmmy/mthmmy/session/SessionManager.java

@@ -43,15 +43,16 @@ public class SessionManager {
     private static final String baseMarkAllAsReadLink = "https://www.thmmy.gr/smf/index.php?action=markasread;sa=all;sesc=";
     private static final String guestName = "Guest";
 
-    //Response Codes
-    public static final int SUCCESS = 0;
-    public static final int FAILURE = 1;    //Generic Error
-    public static final int WRONG_USER = 2;
-    public static final int WRONG_PASSWORD = 3;
-    public static final int CANCELLED = 4;
-    public static final int CONNECTION_ERROR = 5;
-    public static final int EXCEPTION = 6;
-    public static final int BANNED_USER = 7;
+    //Response Codes - make sure they do not overlap with NetworkResultCodes, just in case
+    public static final int SUCCESS = 20;
+    public static final int FAILURE = 21;    //Generic Error
+    public static final int WRONG_USER = 22;
+    public static final int WRONG_PASSWORD = 23;
+    public static final int CANCELLED = 24;
+    public static final int CONNECTION_ERROR = 25;
+    public static final int EXCEPTION = 26;
+    public static final int BANNED_USER = 27;
+    public static final int INVALID_SESSION = 28;
 
     // Client & Cookies
     private final OkHttpClient client;
@@ -63,12 +64,12 @@ public class SessionManager {
     private final SharedPreferences draftsPrefs;
     private static final String USERNAME = "Username";
     private static final String USER_ID = "UserID";
-    private static final String AVATAR_LINK = "AvatarLink";
-    private static final String HAS_AVATAR = "HasAvatar";
+    public static final String AVATAR_LINK = "AvatarLink";
+    public static final String HAS_AVATAR = "HasAvatar";
     private static final String SESC = "Sesc";
     private static final String LOGOUT_LINK = "LogoutLink";
     private static final String MARK_ALL_AS_READ_LINK = "MarkAllAsReadLink";
-    private static final String LOGGED_IN = "LoggedIn";
+    public static final String LOGGED_IN = "LoggedIn";
     private static final String LOGIN_SCREEN_AS_DEFAULT = "LoginScreenAsDefault";
 
     //Constructor
@@ -224,8 +225,7 @@ public class SessionManager {
             Document document = Jsoup.parse(response.body().string());
 
             Elements loginButton = document.select("[value=Login]");  //Attempt to find login button
-            if (!loginButton.isEmpty()) //If login button exists, logout was successful
-            {
+            if (!loginButton.isEmpty()){ //If login button exists, logout was successful
                 Timber.i("Logout successful!");
                 return SUCCESS;
             } else {
@@ -245,6 +245,16 @@ public class SessionManager {
         }
     }
 
+    public void clearSessionData() {
+        cookieJar.clear();
+        sharedPrefs.edit().clear().apply(); //Clear session data
+        sharedPrefs.edit().putString(USERNAME, guestName).apply();
+        sharedPrefs.edit().putInt(USER_ID, -1).apply();
+        sharedPrefs.edit().putBoolean(LOGGED_IN, false).apply(); //User logs out
+        draftsPrefs.edit().clear().apply(); //Clear saved drafts
+        Timber.i("Session data cleared.");
+    }
+
     public void refreshSescFromUrl(String url){
         String sesc = extractSescFromLink(url);
         if(sesc!=null){
@@ -356,16 +366,6 @@ public class SessionManager {
 
     }
 
-    private void clearSessionData() {
-        cookieJar.clear();
-        sharedPrefs.edit().clear().apply(); //Clear session data
-        sharedPrefs.edit().putString(USERNAME, guestName).apply();
-        sharedPrefs.edit().putInt(USER_ID, -1).apply();
-        sharedPrefs.edit().putBoolean(LOGGED_IN, false).apply(); //User logs out
-        draftsPrefs.edit().clear().apply(); //Clear saved drafts
-        Timber.i("Session data cleared.");
-    }
-
     private void setLoginScreenAsDefault(boolean b){
         sharedPrefs.edit().putBoolean(LOGIN_SCREEN_AS_DEFAULT, b).apply();
     }
@@ -421,7 +421,6 @@ public class SessionManager {
         return -1;
     }
 
-
     @Nullable
     private String extractAvatarLink(@NonNull Document doc) {
         Elements avatar = doc.getElementsByClass("avatar");
@@ -461,5 +460,4 @@ public class SessionManager {
         return baseMarkAllAsReadLink + sesc;
     }
     //----------------------------------OTHER FUNCTIONS END-----------------------------------------
-
 }

app/src/main/java/gr/thmmy/mthmmy/utils/Parcel.java

@@ -1,7 +1,6 @@
 package gr.thmmy.mthmmy.utils;
 
 public class Parcel<T> {
-
     private int resultCode;
     private T data;
 

app/src/main/java/gr/thmmy/mthmmy/utils/NetworkResultCodes.java → app/src/main/java/gr/thmmy/mthmmy/utils/networking/NetworkResultCodes.java

@@ -1,4 +1,4 @@
-package gr.thmmy.mthmmy.utils;
+package gr.thmmy.mthmmy.utils.networking;
 
 public class NetworkResultCodes {
     /**

app/src/main/java/gr/thmmy/mthmmy/utils/NetworkTask.java → app/src/main/java/gr/thmmy/mthmmy/utils/networking/NetworkTask.java

@@ -1,4 +1,4 @@
-package gr.thmmy.mthmmy.utils;
+package gr.thmmy.mthmmy.utils.networking;
 
 import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
@@ -10,6 +10,10 @@ import java.io.IOException;
 
 import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.base.BaseApplication;
+import gr.thmmy.mthmmy.session.InvalidSessionException;
+import gr.thmmy.mthmmy.session.SessionManager;
+import gr.thmmy.mthmmy.utils.ExternalAsyncTask;
+import gr.thmmy.mthmmy.utils.Parcel;
 import gr.thmmy.mthmmy.utils.crashreporting.CrashReporter;
 import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import okhttp3.OkHttpClient;
@@ -63,7 +67,12 @@ public abstract class NetworkTask<T> extends ExternalAsyncTask<String, Parcel<T>
                     .getString(R.string.pref_privacy_crashlytics_enable_key), false))
                 CrashReporter.reportForumInfo(Jsoup.parse(responseBodyString));
             return new Parcel<>(NetworkResultCodes.PARSE_ERROR, null);
-        } catch (Exception e) {
+        } catch (InvalidSessionException ise) {
+            //TODO: Uncomment the lines below when UI is ready to auto-adjust to changes in session data
+            // BaseApplication.getInstance().getSessionManager().clearSessionData();
+            // BaseApplication.getInstance().getSessionManager().guestLogin();
+            return new Parcel<>(SessionManager.INVALID_SESSION, null);
+        }catch (Exception e) {
             Timber.e(e);
             return new Parcel<>(NetworkResultCodes.PERFORM_TASK_ERROR, null);
         }

app/src/main/java/gr/thmmy/mthmmy/utils/parsing/NewParseTask.java

@@ -2,7 +2,8 @@ package gr.thmmy.mthmmy.utils.parsing;
 
 import org.jsoup.nodes.Document;
 
-import gr.thmmy.mthmmy.utils.NetworkTask;
+import gr.thmmy.mthmmy.session.InvalidSessionException;
+import gr.thmmy.mthmmy.utils.networking.NetworkTask;
 import okhttp3.Response;
 
 public abstract class NewParseTask<T> extends NetworkTask<T> {
@@ -22,8 +23,10 @@ public abstract class NewParseTask<T> extends NetworkTask<T> {
     protected final T performTask(Document document, Response response) {
         try {
             return parse(document, response);
+        } catch (InvalidSessionException ise) {
+            throw ise;
         } catch (Exception e) {
-            throw new ParseException("Parse failed.", e);
+            throw new ParseException("Parsing failed", e);
         }
     }
 

app/src/main/java/gr/thmmy/mthmmy/viewmodel/TopicViewModel.java

@@ -30,7 +30,7 @@ import gr.thmmy.mthmmy.model.Post;
 import gr.thmmy.mthmmy.model.TopicItem;
 import gr.thmmy.mthmmy.session.SessionManager;
 import gr.thmmy.mthmmy.utils.ExternalAsyncTask;
-import gr.thmmy.mthmmy.utils.NetworkTask;
+import gr.thmmy.mthmmy.utils.networking.NetworkTask;
 import gr.thmmy.mthmmy.utils.parsing.ParseHelpers;
 import timber.log.Timber;
 

app/src/main/res/layout/fragment_unread.xml

@@ -61,6 +61,7 @@
         android:layout_gravity="bottom|end"
         android:layout_marginEnd="@dimen/fab_margins"
         android:layout_marginBottom="@dimen/fab_margins"
+        android:visibility="gone"
         app:layout_behavior="gr.thmmy.mthmmy.utils.ui.ScrollAwareFABBehavior"
         app:srcCompat="@drawable/ic_mark_as_read" />
 </androidx.coordinatorlayout.widget.CoordinatorLayout>