Updated ModDetails: Overview, Assignments, Announcements (not runnable)

app/src/main/java/de/sebse/fuplanner/MainActivity.java

@@ -180,6 +180,7 @@ public class MainActivity extends AppCompatActivity
                 break;
             case R.id.nav_logout:
                 getNewKVV().account().logout(true);
+                getNewKVV().modules().list().delete();
                 this.getGoogleAuth().getLoginState(credentials -> {
                     if (credentials != null) {
                         this.getGoogleAuth().deleteLoginState(credentials.getUsername(), credentials.getPassword());

app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailAnnounceAdapter.java

@@ -17,8 +17,8 @@ import androidx.core.content.ContextCompat;
 import androidx.recyclerview.widget.RecyclerView;
 import de.sebse.fuplanner.R;
 import de.sebse.fuplanner.services.KVV.Download;
-import de.sebse.fuplanner.services.KVV.types.Announcement;
+import de.sebse.fuplanner.services.NewKVV.types.Announcement;
-import de.sebse.fuplanner.services.KVV.types.Modules;
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
 import de.sebse.fuplanner.tools.Regex;
 import de.sebse.fuplanner.tools.UtilsDate;
 import de.sebse.fuplanner.tools.logging.Logger;
@@ -76,12 +76,10 @@ class ModDetailAnnounceAdapter extends RecyclerView.Adapter<CustomViewHolder> {
                     tag.id = i;
                     tag.layoutColor = ContextCompat.getColor(holder.mView.getContext(), R.color.colorFUBlue);
                     holder.mTagGroup.addTag(tag);
-                    log.d(notes.get(i));
                 }
                 holder.mTagGroup.setOnTagClickListener((tag, i) -> {
                     String s = notes.get(i);
                     if (s != null) {
-                        log.d("Download", s);
                         String name = urlToName(s, i, holder.mView.getResources());
                         requestInterface.request(name, s);
                     }

app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailAnnounceFragment.java

@@ -6,17 +6,16 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ExpandableListView;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import de.sebse.fuplanner.MainActivity;
 import de.sebse.fuplanner.R;
 import de.sebse.fuplanner.services.KVV.Download;
-import de.sebse.fuplanner.services.KVV.KVV;
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
-import de.sebse.fuplanner.services.KVV.types.Modules;
 import de.sebse.fuplanner.tools.MainActivityListener;
 import de.sebse.fuplanner.tools.logging.Logger;
 
@@ -33,7 +32,7 @@ public class ModDetailAnnounceFragment extends Fragment implements Download.OnDo
     private ModDetailAnnounceAdapter adapter;
     private SwipeRefreshLayout swipeLayout;
     private Download download;
-    private MainActivityListener context;
+    @Nullable private MainActivityListener mListener;
 
 
     public ModDetailAnnounceFragment() {
@@ -83,49 +82,45 @@ public class ModDetailAnnounceFragment extends Fragment implements Download.OnDo
     }
 
     private void refresh(boolean forceRefresh) {
-        if (getActivity() != null) {
+        if (mListener == null)
-            KVV kvv = ((MainActivity) getActivity()).getKVV();
+            return;
-            kvv.getModule(mItemPos, (Modules.Module module) -> {
+        mListener.getNewKVV().modules().announcements().recv(mItemPos, success -> {
-                adapter.setModule(module);
+            adapter.setModule(success);
-                kvv.getModuleAnnouncements(module, success1 -> {
-                    adapter.setModule();
             swipeLayout.setRefreshing(false);
         }, error -> {
             swipeLayout.setRefreshing(false);
             log.e(error);
         }, forceRefresh);
-            }, error -> {
-                swipeLayout.setRefreshing(false);
-                log.e(error);
-            }, forceRefresh);
-        }
     }
 
     @Override
     public void request(String title, String url) {
-        context.getKVV().getModule(mItemPos, (Modules.Module module) -> {
+        if (mListener == null)
-            if (module == null)
             return;
+        mListener.getNewKVV().modules().list().find(mItemPos, (Modules.Module module) -> {
             String folderName = "FU-"+module.title.replaceAll("[:*<>|/\"\\\\]", "-");
             folderName += "/Assignment";
             getDownload().openDownloadDialog(title, url, folderName);
-        }, log::e, false);
+        }, log::e);
     }
 
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
         if (context instanceof MainActivityListener) {
-            this.context = ((MainActivityListener) context);
+            this.mListener = ((MainActivityListener) context);
-            this.context.addRequestPermissionsResultListener(getDownload().getRequestPermissionsResultListener(), "ModDetailAnnounceFragment");
+            this.mListener.addRequestPermissionsResultListener(getDownload().getRequestPermissionsResultListener(), "ModDetailAnnounceFragment");
         } else
-            throw new RuntimeException(context.toString() + " must implement ModDetailAnnounceFragment");
+            throw new RuntimeException(context.toString() + " must implement MainActivityListener");
     }
 
     @Override
     public void onDetach() {
         super.onDetach();
-        this.context.removeRequestPermissionsResultListener("ModDetailResourceFragment");
+        if (this.mListener != null) {
+            this.mListener.removeRequestPermissionsResultListener("ModDetailAnnounceFragment");
+            this.mListener = null;
+        }
     }
 
     Download getDownload() {

app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailAssignmentAdapter.java

@@ -17,8 +17,8 @@ import androidx.core.content.ContextCompat;
 import androidx.recyclerview.widget.RecyclerView;
 import de.sebse.fuplanner.R;
 import de.sebse.fuplanner.services.KVV.Download;
-import de.sebse.fuplanner.services.KVV.types.Assignment;
+import de.sebse.fuplanner.services.NewKVV.types.Assignment;
-import de.sebse.fuplanner.services.KVV.types.Modules;
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
 import de.sebse.fuplanner.tools.Regex;
 import de.sebse.fuplanner.tools.UtilsDate;
 import de.sebse.fuplanner.tools.logging.Logger;
@@ -76,12 +76,10 @@ class ModDetailAssignmentAdapter extends RecyclerView.Adapter<CustomViewHolder>
                     tag.id = i;
                     tag.layoutColor = ContextCompat.getColor(holder.mView.getContext(), R.color.colorFUBlue);
                     holder.mTagGroup.addTag(tag);
-                    log.d(notes.get(i));
                 }
                 holder.mTagGroup.setOnTagClickListener((tag, i) -> {
                     String s = notes.get(i);
                     if (s != null) {
-                        log.d("Download", s);
                         String name = urlToName(s, i, holder.mView.getResources());
                         requestInterface.request(name, s);
                     }

app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailAssignmentFragment.java

@@ -6,17 +6,16 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ExpandableListView;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import de.sebse.fuplanner.MainActivity;
 import de.sebse.fuplanner.R;
 import de.sebse.fuplanner.services.KVV.Download;
-import de.sebse.fuplanner.services.KVV.KVV;
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
-import de.sebse.fuplanner.services.KVV.types.Modules;
 import de.sebse.fuplanner.tools.MainActivityListener;
 import de.sebse.fuplanner.tools.logging.Logger;
 
@@ -33,7 +32,7 @@ public class ModDetailAssignmentFragment extends Fragment implements Download.On
     private ModDetailAssignmentAdapter adapter;
     private SwipeRefreshLayout swipeLayout;
     private Download download;
-    private MainActivityListener context;
+    @Nullable private MainActivityListener mListener;
 
 
     public ModDetailAssignmentFragment() {
@@ -83,41 +82,34 @@ public class ModDetailAssignmentFragment extends Fragment implements Download.On
     }
 
     private void refresh(boolean forceRefresh) {
-        if (getActivity() != null) {
+        if (mListener == null)
-            KVV kvv = ((MainActivity) getActivity()).getKVV();
+            return;
-            kvv.getModule(mItemPos, (Modules.Module module) -> {
+        mListener.getNewKVV().modules().assignments().recv(mItemPos, success -> {
-                adapter.setModule(module);
+            adapter.setModule(success);
-                kvv.getModuleAssignments(module, success1 -> {
-                    adapter.setModule();
             swipeLayout.setRefreshing(false);
         }, error -> {
             swipeLayout.setRefreshing(false);
             log.e(error);
         }, forceRefresh);
-            }, error -> {
-                swipeLayout.setRefreshing(false);
-                log.e(error);
-            }, forceRefresh);
-        }
     }
 
     @Override
     public void request(String title, String url) {
-        context.getKVV().getModule(mItemPos, (Modules.Module module) -> {
+        if (mListener == null)
-            if (module == null)
             return;
+        mListener.getNewKVV().modules().list().find(mItemPos, (Modules.Module module) -> {
             String folderName = "FU-"+module.title.replaceAll("[:*<>|/\"\\\\]", "-");
             folderName += "/Assignment";
             getDownload().openDownloadDialog(title, url, folderName);
-        }, log::e, false);
+        }, log::e);
     }
 
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
         if (context instanceof MainActivityListener) {
-            this.context = ((MainActivityListener) context);
+            this.mListener = ((MainActivityListener) context);
-            this.context.addRequestPermissionsResultListener(getDownload().getRequestPermissionsResultListener(), "ModDetailAssignmentFragment");
+            this.mListener.addRequestPermissionsResultListener(getDownload().getRequestPermissionsResultListener(), "ModDetailAssignmentFragment");
         } else
             throw new RuntimeException(context.toString() + " must implement MainActivityListener");
     }
@@ -125,7 +117,10 @@ public class ModDetailAssignmentFragment extends Fragment implements Download.On
     @Override
     public void onDetach() {
         super.onDetach();
-        this.context.removeRequestPermissionsResultListener("ModDetailAssignmentFragment");
+        if (this.mListener != null) {
+            this.mListener.removeRequestPermissionsResultListener("ModDetailAssignmentFragment");
+            this.mListener = null;
+        }
     }
 
     Download getDownload() {

app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailOverviewAdapter.java

@@ -13,10 +13,10 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;
 import de.sebse.fuplanner.R;
-import de.sebse.fuplanner.services.KVV.types.Announcement;
+import de.sebse.fuplanner.services.NewKVV.types.Announcement;
-import de.sebse.fuplanner.services.KVV.types.Assignment;
+import de.sebse.fuplanner.services.NewKVV.types.Assignment;
-import de.sebse.fuplanner.services.KVV.types.Event;
+import de.sebse.fuplanner.services.NewKVV.types.Event;
-import de.sebse.fuplanner.services.KVV.types.Modules;
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
 import de.sebse.fuplanner.tools.UtilsDate;
 import de.sebse.fuplanner.tools.logging.Logger;
 import de.sebse.fuplanner.tools.ui.CustomViewHolder;

app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailOverviewFragment.java

@@ -17,6 +17,7 @@ import de.sebse.fuplanner.MainActivity;
 import de.sebse.fuplanner.R;
 import de.sebse.fuplanner.services.KVV.KVV;
 import de.sebse.fuplanner.services.KVV.types.Modules;
+import de.sebse.fuplanner.tools.MainActivityListener;
 import de.sebse.fuplanner.tools.logging.Logger;
 
 /**
@@ -31,7 +32,8 @@ public class ModDetailOverviewFragment extends Fragment {
     private final Logger log = new Logger(this);
     private ModDetailOverviewAdapter adapter;
     private SwipeRefreshLayout swipeLayout;
-    @Nullable private ModDetailListener mListener;
+    @Nullable private ModDetailListener mDetailListener;
+    @Nullable private MainActivityListener mListener;
 
 
     public ModDetailOverviewFragment() {
@@ -70,7 +72,7 @@ public class ModDetailOverviewFragment extends Fragment {
         Context context = view.getContext();
         RecyclerView recyclerView = view.findViewById(R.id.list);
         recyclerView.setLayoutManager(new LinearLayoutManager(context));
-        adapter = new ModDetailOverviewAdapter(mListener);
+        adapter = new ModDetailOverviewAdapter(mDetailListener);
         recyclerView.setAdapter(adapter);
 
         // Getting SwipeContainerLayout
@@ -82,37 +84,45 @@ public class ModDetailOverviewFragment extends Fragment {
         return view;
     }
 
+
+
+
     private void refresh(boolean forceRefresh) {
-        if (getActivity() != null) {
+        if (mListener != null) {
-            KVV kvv = ((MainActivity) getActivity()).getKVV();
+            mListener.getNewKVV().modules().details().recv(mItemPos, pair -> {
-            kvv.getModule(mItemPos, (Modules.Module module) -> {
+                adapter.setModule(pair.first);
-                adapter.setModule(module);
-                kvv.getModuleDetails(module, pair -> {
-                    adapter.setModule();
                 if (pair.second)
                     swipeLayout.setRefreshing(false);
             }, error -> {
                 swipeLayout.setRefreshing(false);
                 log.e(error);
             }, forceRefresh);
-            }, error -> {
-                swipeLayout.setRefreshing(false);
-                log.e(error);
-            }, forceRefresh);
         }
     }
 
     @Override
     public void onAttach(Context context) {
+        super.onAttach(context);
+        if (context instanceof MainActivityListener) {
+            this.mListener = ((MainActivityListener) context);
+        } else
+            throw new RuntimeException(context.toString() + " must implement MainActivityListener");
+
+
         super.onAttach(context);
         Fragment parentFragment = getParentFragment();
         if (parentFragment != null) {
             if (parentFragment instanceof ModDetailListener) {
-                mListener = (ModDetailListener) parentFragment;
+                mDetailListener = (ModDetailListener) parentFragment;
             } else {
-                throw new RuntimeException(context.toString()
+                throw new RuntimeException(context.toString() + " must implement ModDetailListener");
-                        + " must implement ModDetailListener");
             }
         } else log.w("No parent fragment!");
     }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        this.mListener = null;
+    }
 }

app/src/main/java/de/sebse/fuplanner/services/NewKVV/KVVModules.java

@@ -7,37 +7,54 @@ import org.jetbrains.annotations.NotNull;
 import java.util.HashMap;
 
 public class KVVModules {
-    private final HashMap<String, Object> addons = new HashMap<>();
+    private final HashMap<String, Part> mAddons = new HashMap<>();
-    private final KVVLogin login;
+    private KVVModulesList mList = null;
+    private final KVVLogin mLogin;
     private final Context context;
 
     public KVVModules(KVVLogin login, Context context) {
-        this.login = login;
+        this.mLogin = login;
         this.context = context;
     }
 
+    @NotNull
+    public KVVModulesDetails details() {
+        return (KVVModulesDetails) addAndGet("details", () -> {
+            ModulesPart[] parts = {announcements(), assignments()};
+            return new KVVModulesDetails(mLogin, list(), context, parts);
+        });
+    }
+
     @NotNull
     public KVVModulesAnnouncements announcements() {
-        return (KVVModulesAnnouncements) addAndGet("announcements", () -> new KVVModulesAnnouncements(login, list(), context));
+        return (KVVModulesAnnouncements) addAndGet("announcements", () -> new KVVModulesAnnouncements(mLogin, list(), context));
+    }
+
+    @NotNull
+    public KVVModulesAssignments assignments() {
+        return (KVVModulesAssignments) addAndGet("assignments", () -> new KVVModulesAssignments(mLogin, list(), context));
     }
 
     @NotNull
     public KVVModulesList list() {
-        return (KVVModulesList) addAndGet("list", () -> new KVVModulesList(login, context));
+        if (mList == null) {
+            mList = new KVVModulesList(mLogin, context);
+        }
+        return mList;
     }
 
 
     @NotNull
-    private Object addAndGet(@NotNull String addon, @NotNull ModuleCreatorInterface creatorInterface) {
+    private Part addAndGet(@NotNull String addon, @NotNull ModuleCreatorInterface creatorInterface) {
-        Object o = addons.get(addon);
+        Part o = mAddons.get(addon);
         if (o == null) {
             o = creatorInterface.create();
-            addons.put(addon, o);
+            mAddons.put(addon, o);
         }
         return o;
     }
 
     private interface ModuleCreatorInterface {
-        @NotNull Object create();
+        @NotNull Part create();
     }
 }

app/src/main/java/de/sebse/fuplanner/services/NewKVV/KVVModulesAnnouncements.java

@@ -1,9 +1,6 @@
 package de.sebse.fuplanner.services.NewKVV;
 
 import android.content.Context;
-import android.os.Build;
-import android.text.Html;
-import android.text.Spanned;
 
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -17,7 +14,7 @@ import de.sebse.fuplanner.tools.network.NetworkCallback;
 import de.sebse.fuplanner.tools.network.NetworkError;
 import de.sebse.fuplanner.tools.network.NetworkErrorCallback;
 
-class KVVModulesAnnouncements extends ModulesPart<ArrayList<Announcement>> {
+public class KVVModulesAnnouncements extends ModulesPart<ArrayList<Announcement>> {
 
     KVVModulesAnnouncements(KVVLogin login, KVVModulesList list, Context context) {
         super(login, list, context);
@@ -30,16 +27,14 @@ class KVVModulesAnnouncements extends ModulesPart<ArrayList<Announcement>> {
 
     @Override
     protected boolean setPart(Modules.Module module, ArrayList<Announcement> part) {
-        boolean changed = false;
+        boolean changed = module.announcements == null || module.announcements.hashCode() != part.hashCode();
-        if (module.announcements != null && module.announcements.hashCode() != part.hashCode())
-            changed = true;
         module.announcements = part;
         return changed;
     }
 
     @Override
     protected void upgrade(final String ID, final NetworkCallback<ArrayList<Announcement>> callback, final NetworkErrorCallback errorCallback) {
-        if (!login.isInOnlineMode()) {
+        if (!login.isInOnlineMode() || login.getLoginToken() == null) {
             errorCallback.onError(new NetworkError(101204, 500, "Currently running in offline mode!"));
             return;
         }

app/src/main/java/de/sebse/fuplanner/services/NewKVV/KVVModulesAssignments.java

@@ -0,0 +1,81 @@
+package de.sebse.fuplanner.services.NewKVV;
+
+import android.content.Context;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+
+import de.sebse.fuplanner.services.NewKVV.types.Assignment;
+import de.sebse.fuplanner.services.NewKVV.types.AssignmentList;
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
+import de.sebse.fuplanner.tools.network.NetworkCallback;
+import de.sebse.fuplanner.tools.network.NetworkError;
+import de.sebse.fuplanner.tools.network.NetworkErrorCallback;
+
+public class KVVModulesAssignments extends ModulesPart<AssignmentList> {
+
+    KVVModulesAssignments(KVVLogin login, KVVModulesList list, Context context) {
+        super(login, list, context);
+    }
+
+    @Override
+    protected AssignmentList getPart(Modules.Module module) {
+        return module.assignments;
+    }
+
+    @Override
+    protected boolean setPart(Modules.Module module, AssignmentList part) {
+        boolean changed = module.assignments == null || module.assignments.hashCode() != part.hashCode();
+        module.assignments = part;
+        return changed;
+    }
+
+    @Override
+    protected void upgrade(final String ID, final NetworkCallback<AssignmentList> callback, final NetworkErrorCallback errorCallback) {
+        if (!login.isInOnlineMode() || login.getLoginToken() == null) {
+            errorCallback.onError(new NetworkError(101304, 500, "Currently running in offline mode!"));
+            return;
+        }
+        get(String.format("https://kvv.imp.fu-berlin.de/direct/assignment/site/%s.json", ID), login.getLoginToken().getCookies(), response ->{
+            String body = response.getParsed();
+            if (body == null) {
+                errorCallback.onError(new NetworkError(101301, 403, "No assignments retrieved!"));
+                return;
+            }
+            AssignmentList assignments = new AssignmentList();
+            try {
+                JSONObject json = new JSONObject(body);
+                JSONArray sites = json.getJSONArray("assignment_collection");
+
+                for (int i = 0; i < sites.length(); i++) {
+                    JSONObject site = sites.getJSONObject(i);
+                    String id = site.getString("id");
+                    String title = site.getString("title");
+                    String instructions = site.getString("instructions");
+                    instructions = String.valueOf(fromHtml(instructions));
+                    long dueTime = site.getJSONObject("dueTime").getLong("time");
+                    String gradebookItemName = site.optString("gradebookItemName", null);
+                    String gradeScale = site.getString("gradeScale");
+                    JSONArray attachments = site.getJSONArray("attachments");
+                    ArrayList<String> urls = new ArrayList<>();
+                    for (int j = 0; j<attachments.length(); j++){
+                        urls.add(attachments.getJSONObject(j).getString("url"));
+                    }
+                    assignments.add(0, new Assignment(id, title, dueTime, gradebookItemName, gradeScale, urls, instructions));
+                }
+            } catch (JSONException e) {
+                e.printStackTrace();
+                errorCallback.onError(new NetworkError(101302, 403, "Cannot parse announcements!"));
+                return;
+            }
+            // Empty assignments *may be* because token is invalid -> check
+            if (assignments.size() == 0)
+                login.testLoginToken(token -> callback.onResponse(assignments), errorCallback);
+            else
+                callback.onResponse(assignments);
+        }, error -> errorCallback.onError(new NetworkError(101303, error.networkResponse.statusCode, "Cannot get announcements!")));
+    }
+}

app/src/main/java/de/sebse/fuplanner/services/NewKVV/KVVModulesDetails.java

@@ -0,0 +1,47 @@
+package de.sebse.fuplanner.services.NewKVV;
+
+import android.content.Context;
+import android.util.Pair;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
+import de.sebse.fuplanner.tools.network.NetworkCallback;
+import de.sebse.fuplanner.tools.network.NetworkError;
+import de.sebse.fuplanner.tools.network.NetworkErrorCallback;
+
+final public class KVVModulesDetails extends Part<Pair<Modules.Module, Boolean>> {
+    private final ModulesPart[] parts;
+
+    KVVModulesDetails(KVVLogin login, KVVModulesList list, Context context, ModulesPart[] parts) {
+        super(login, list, context);
+        this.parts = parts;
+    }
+
+    @Override
+    protected void recv(final Modules.Module module, final NetworkCallback<Pair<Modules.Module, Boolean>> callback, final NetworkErrorCallback errorCallback, final boolean forceRefresh, final int retries) {
+        final int[] returned = {0};
+        AtomicReference<NetworkError> lastError = new AtomicReference<>(null);
+        NetworkCallback<Modules.Module> successCb = success -> {
+            returned[0] += 1;
+            callback.onResponse(Pair.create(module, false));
+            if (returned[0] == parts.length) {
+                callback.onResponse(Pair.create(module, true));
+                if (lastError.get() != null)
+                    errorCallback.onError(lastError.get());
+            }
+        };
+        NetworkErrorCallback errorCb = error -> {
+            lastError.set(error);
+            returned[0] += 1;
+            if (returned[0] == parts.length) {
+                callback.onResponse(Pair.create(module, true));
+                if (lastError.get() != null)
+                    errorCallback.onError(lastError.get());
+            }
+        };
+        for (ModulesPart part: parts) {
+            part.recv(module, successCb, errorCb, forceRefresh, RETRY_COUNT);
+        }
+    }
+}

app/src/main/java/de/sebse/fuplanner/services/NewKVV/KVVModulesList.java

@@ -51,7 +51,7 @@ public class KVVModulesList extends HTTPService {
     }
 
     private void find(String moduleID, NetworkCallback<Modules.Module> moduleNetworkCallback, NetworkErrorCallback errorCallback, int retries) {
-        if (mModules != null && mLogin.getLoginToken() != null && mLogin.getLoginToken().isSameUser(mModules.getUsername()))
+        if (mModules != null && mLogin.getLoginToken() != null && !mLogin.getLoginToken().isSameUser(mModules.getUsername()))
             delete();
         if (retries < 0) {
             errorCallback.onError(new NetworkError(101107, -1, "Too many retries!"));
@@ -68,6 +68,7 @@ public class KVVModulesList extends HTTPService {
     }
 
     void store() {
+        log.d("Save data");
         if (this.mModules != null) {
             try {
                 this.mModules.save(getContext());
@@ -88,7 +89,7 @@ public class KVVModulesList extends HTTPService {
         }
     }
 
-    private void delete() {
+    public void delete() {
         if (this.mModules != null) {
             this.mModules.delete(getContext());
             this.mModules = null;
@@ -104,7 +105,7 @@ public class KVVModulesList extends HTTPService {
     }
 
     private void recv(final NetworkCallback<Modules> callback, final NetworkErrorCallback errorCallback, boolean forceRefresh, final int retries) {
-        if (mModules != null && mLogin.getLoginToken() != null && mLogin.getLoginToken().isSameUser(mModules.getUsername()))
+        if (mModules != null && mLogin.getLoginToken() != null && !mLogin.getLoginToken().isSameUser(mModules.getUsername()))
             delete();
         mQueue.add(() -> {
             if (this.mModules != null && !forceRefresh) {
@@ -117,6 +118,7 @@ public class KVVModulesList extends HTTPService {
                     this.mModules = success;
                 else
                     this.mModules.updateList(success);
+                store();
                 callback.onResponse(this.mModules);
                 mQueue.next();
             }, error -> {

app/src/main/java/de/sebse/fuplanner/services/NewKVV/ModulesPart.java

@@ -7,31 +7,18 @@ import android.text.Spanned;
 
 import de.sebse.fuplanner.services.NewKVV.types.Modules;
 import de.sebse.fuplanner.tools.NewAsyncQueue;
-import de.sebse.fuplanner.tools.network.HTTPService;
 import de.sebse.fuplanner.tools.network.NetworkCallback;
 import de.sebse.fuplanner.tools.network.NetworkErrorCallback;
 
-public abstract class ModulesPart<T> extends HTTPService {
+abstract class ModulesPart<T> extends Part<Modules.Module> {
-    static final int RETRY_COUNT = 1;
-    protected final KVVLogin login;
-    protected final KVVModulesList list;
     private NewAsyncQueue queue = new NewAsyncQueue();
 
     ModulesPart(KVVLogin login, KVVModulesList list, Context context) {
-        super(context);
+        super(login, list, context);
-        this.login = login;
-        this.list = list;
     }
 
-    public void recv(final String moduleID, final NetworkCallback<Modules.Module> callback, final NetworkErrorCallback errorCallback) {
+    @Override
-        recv(moduleID, callback, errorCallback, false);
+    protected void recv(final Modules.Module module, final NetworkCallback<Modules.Module> callback, final NetworkErrorCallback errorCallback, final boolean forceRefresh, final int retries) {
-    }
-
-    public void recv(final String moduleID, final NetworkCallback<Modules.Module> callback, final NetworkErrorCallback errorCallback, final boolean forceRefresh) {
-        list.find(moduleID, success -> recv(success, callback, errorCallback, forceRefresh, RETRY_COUNT), errorCallback);
-    }
-
-    private void recv(final Modules.Module module, final NetworkCallback<Modules.Module> callback, final NetworkErrorCallback errorCallback, final boolean forceRefresh, final int retries) {
         queue.add(() -> {
             if (getPart(module) != null && !forceRefresh) {
                 callback.onResponse(module);

app/src/main/java/de/sebse/fuplanner/services/NewKVV/Part.java

@@ -0,0 +1,31 @@
+package de.sebse.fuplanner.services.NewKVV;
+
+import android.content.Context;
+
+import de.sebse.fuplanner.services.NewKVV.types.Modules;
+import de.sebse.fuplanner.tools.NewAsyncQueue;
+import de.sebse.fuplanner.tools.network.HTTPService;
+import de.sebse.fuplanner.tools.network.NetworkCallback;
+import de.sebse.fuplanner.tools.network.NetworkErrorCallback;
+
+public abstract class Part<T> extends HTTPService {
+    static final int RETRY_COUNT = 1;
+    protected final KVVLogin login;
+    protected final KVVModulesList list;
+
+    Part(KVVLogin login, KVVModulesList list, Context context) {
+        super(context);
+        this.login = login;
+        this.list = list;
+    }
+
+    public void recv(final String moduleID, final NetworkCallback<T> callback, final NetworkErrorCallback errorCallback) {
+        recv(moduleID, callback, errorCallback, false);
+    }
+
+    public void recv(final String moduleID, final NetworkCallback<T> callback, final NetworkErrorCallback errorCallback, final boolean forceRefresh) {
+        list.find(moduleID, success -> recv(success, callback, errorCallback, forceRefresh, RETRY_COUNT), errorCallback);
+    }
+
+    abstract protected void recv(final Modules.Module module, final NetworkCallback<T> callback, final NetworkErrorCallback errorCallback, final boolean forceRefresh, final int retries);
+}

app/src/main/java/de/sebse/fuplanner/services/NewKVV/types/Assignment.java

@@ -1,5 +1,7 @@
 package de.sebse.fuplanner.services.NewKVV.types;
 
+import com.google.android.gms.common.internal.Objects;
+
 import java.io.Serializable;
 import java.util.ArrayList;
 
@@ -15,7 +17,6 @@ public class Assignment implements Serializable {
         this.title = title;
         this.dueTime = dueTime;
         this.urls = urls;
-        //this.grade = grade;
         this.instructions = instructions;
     }
 
@@ -50,4 +51,9 @@ public class Assignment implements Serializable {
                 "\nDue date: "+getDueDate()+
                 "\nInstructions: "+getInstructions().substring(0, Math.min(getInstructions().length(), 100));
     }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(getId(), getDueDate(), getInstructions(), getTitle(), getUrls());
+    }
 }

app/src/main/java/de/sebse/fuplanner/tools/MainActivityListener.java

@@ -15,6 +15,7 @@ public interface MainActivityListener {
 
     void showToast(@StringRes int msgStringRes);
 
+    @Deprecated
     KVV getKVV();
 
     de.sebse.fuplanner.services.NewKVV.KVV getNewKVV();