Add ZimHostContract, ZimHostPresenter and ZimHostModule

app/src/main/java/org/kiwix/kiwixmobile/di/modules/ActivityBindingModule.java

@@ -18,6 +18,7 @@ import org.kiwix.kiwixmobile.search.SearchActivity;
 import org.kiwix.kiwixmobile.settings.KiwixSettingsActivity;
 import org.kiwix.kiwixmobile.splash.SplashActivity;
 import org.kiwix.kiwixmobile.webserver.ZimHostActivity;
+import org.kiwix.kiwixmobile.webserver.ZimHostModule;
 import org.kiwix.kiwixmobile.zim_manager.ZimManageActivity;
 
 /**
@@ -73,6 +74,6 @@ public abstract class ActivityBindingModule {
   public abstract HelpActivity provideHelpActivity();
 
   @PerActivity
-  @ContributesAndroidInjector(modules = MainModule.class)
+  @ContributesAndroidInjector(modules = ZimHostModule.class)
   public abstract ZimHostActivity provideZimHostActivity();
 }

app/src/main/java/org/kiwix/kiwixmobile/main/MainContract.java

@@ -10,15 +10,15 @@ import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BooksOnDiskList
  * The contract between {@link MainActivity} and {@link MainPresenter}.
  */
 
-public class MainContract {
+class MainContract {
 
-  public interface View extends BaseContract.View<Presenter> {
+  interface View extends BaseContract.View<Presenter> {
     void addBooks(List<BooksOnDiskListItem> books);
 
     void refreshBookmarksUrl(List<String> urls);
   }
 
-  public interface Presenter extends BaseContract.Presenter<View> {
+  interface Presenter extends BaseContract.Presenter<View> {
     void loadBooks();
 
     void saveBooks(List<BooksOnDiskListItem.BookOnDisk> books);

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostActivity.java

@@ -47,11 +47,8 @@ import kotlin.Unit;
 import org.kiwix.kiwixmobile.R;
 import org.kiwix.kiwixmobile.base.BaseActivity;
 import org.kiwix.kiwixmobile.main.MainActivity;
-import org.kiwix.kiwixmobile.main.MainContract;
 import org.kiwix.kiwixmobile.wifi_hotspot.HotspotService;
-import org.kiwix.kiwixmobile.zim_manager.fileselect_view.ZimFileSelectFragment;
 import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BookOnDiskDelegate;
-import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BooksOnDiskAdapter;
 import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BooksOnDiskListItem;
 
 import static org.kiwix.kiwixmobile.utils.StyleUtils.dialogStyle;
@@ -59,7 +56,7 @@ import static org.kiwix.kiwixmobile.webserver.WebServerHelper.getAddress;
 import static org.kiwix.kiwixmobile.webserver.WebServerHelper.isServerStarted;
 
 public class ZimHostActivity extends BaseActivity implements
-    ServerStateListener, MainContract.View {
+    ServerStateListener, ZimHostContract.View {
 
   @BindView(R.id.startServerButton)
   Button startServerButton;
@@ -67,7 +64,7 @@ public class ZimHostActivity extends BaseActivity implements
   TextView serverTextView;
 
   @Inject
-  MainContract.Presenter presenter;
+  ZimHostContract.Presenter presenter;
 
   public static final String ACTION_TURN_ON_AFTER_O = "Turn_on_hotspot_after_oreo";
   public static final String ACTION_TURN_OFF_AFTER_O = "Turn_off_hotspot_after_oreo";
@@ -510,8 +507,4 @@ public class ZimHostActivity extends BaseActivity implements
   @Override public void addBooks(List<BooksOnDiskListItem> books) {
     booksAdapter.setItems(books);
   }
-
-  @Override public void refreshBookmarksUrl(List<String> urls) {
-    //Do nothing
-  }
 }

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostContract.java

@@ -0,0 +1,18 @@
+package org.kiwix.kiwixmobile.webserver;
+
+import java.util.List;
+import org.kiwix.kiwixmobile.base.BaseContract;
+import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BooksOnDiskListItem;
+
+class ZimHostContract {
+
+  interface View
+      extends BaseContract.View<org.kiwix.kiwixmobile.webserver.ZimHostContract.Presenter> {
+    void addBooks(List<BooksOnDiskListItem> books);
+  }
+
+  interface Presenter
+      extends BaseContract.Presenter<org.kiwix.kiwixmobile.webserver.ZimHostContract.View> {
+    void loadBooks();
+  }
+}

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostModule.java

@@ -0,0 +1,16 @@
+package org.kiwix.kiwixmobile.webserver;
+
+import dagger.Module;
+import dagger.Provides;
+import org.kiwix.kiwixmobile.di.PerActivity;
+
+@Module
+public class ZimHostModule {
+
+  @PerActivity
+  @Provides
+  ZimHostContract.Presenter provideZimHostPresenter(ZimHostPresenter zimHostPresenter) {
+    return zimHostPresenter;
+  }
+}
+

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostPresenter.java

@@ -0,0 +1,44 @@
+package org.kiwix.kiwixmobile.webserver;
+
+import android.util.Log;
+import io.reactivex.SingleObserver;
+import io.reactivex.disposables.Disposable;
+import java.util.List;
+import javax.inject.Inject;
+import org.kiwix.kiwixmobile.base.BasePresenter;
+import org.kiwix.kiwixmobile.data.DataSource;
+import org.kiwix.kiwixmobile.di.PerActivity;
+import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BooksOnDiskListItem;
+
+@PerActivity
+class ZimHostPresenter extends BasePresenter<ZimHostContract.View>
+    implements ZimHostContract.Presenter {
+
+  private static final String TAG = "ZimHostPresenter";
+  private final DataSource dataSource;
+
+  @Inject ZimHostPresenter(DataSource dataSource) {
+    this.dataSource = dataSource;
+  }
+
+  @Override
+  public void loadBooks() {
+    dataSource.getLanguageCategorizedBooks()
+        .subscribe(new SingleObserver<List<BooksOnDiskListItem>>() {
+          @Override
+          public void onSubscribe(Disposable d) {
+            compositeDisposable.add(d);
+          }
+
+          @Override
+          public void onSuccess(List<BooksOnDiskListItem> books) {
+            view.addBooks(books);
+          }
+
+          @Override
+          public void onError(Throwable e) {
+            Log.e(TAG, "Unable to load books", e);
+          }
+        });
+  }
+}