Move dagger classes to injection directory

app/src/main/java/eu/kanade/mangafeed/injection/module/AppModule.java

@@ -0,0 +1,28 @@
+package eu.kanade.mangafeed.injection.module;
+
+import android.app.Application;
+
+import javax.inject.Singleton;
+
+import dagger.Module;
+import dagger.Provides;
+
+/**
+ * Provide application-level dependencies. Mainly singleton object that can be injected from
+ * anywhere in the app.
+ */
+@Module
+public class AppModule {
+    protected final Application mApplication;
+
+    public AppModule(Application application) {
+        mApplication = application;
+    }
+
+    @Provides
+    @Singleton
+    Application provideApplication() {
+        return mApplication;
+    }
+
+}

app/src/main/java/eu/kanade/mangafeed/injection/module/DataModule.java

@@ -0,0 +1,58 @@
+package eu.kanade.mangafeed.injection.module;
+
+import android.app.Application;
+
+import javax.inject.Singleton;
+
+import dagger.Module;
+import dagger.Provides;
+import eu.kanade.mangafeed.data.caches.CacheManager;
+import eu.kanade.mangafeed.data.helpers.DatabaseHelper;
+import eu.kanade.mangafeed.data.helpers.NetworkHelper;
+import eu.kanade.mangafeed.data.helpers.PreferencesHelper;
+import eu.kanade.mangafeed.data.helpers.SourceManager;
+import rx.Scheduler;
+import rx.schedulers.Schedulers;
+
+/**
+ * Provide dependencies to the DataManager, mainly Helper classes and Retrofit services.
+ */
+@Module
+public class DataModule {
+
+    @Provides
+    @Singleton
+    PreferencesHelper providePreferencesHelper(Application app) {
+        return new PreferencesHelper(app);
+    }
+
+    @Provides
+    @Singleton
+    DatabaseHelper provideDatabaseHelper(Application app) {
+        return new DatabaseHelper(app);
+    }
+
+    @Provides
+    @Singleton
+    Scheduler provideSubscribeScheduler() {
+        return Schedulers.io();
+    }
+
+    @Provides
+    @Singleton
+    CacheManager provideCacheManager(Application app) {
+        return new CacheManager(app);
+    }
+
+    @Provides
+    @Singleton
+    NetworkHelper provideNetworkHelper() {
+        return new NetworkHelper();
+    }
+
+    @Provides
+    @Singleton
+    SourceManager provideSourceManager(NetworkHelper networkHelper, CacheManager cacheManager) {
+        return new SourceManager(networkHelper, cacheManager);
+    }
+}