ca.mymenuapp.data.DataModule.java Source code

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Here is the source code for ca.mymenuapp.data.DataModule.java

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/*
 * Copyright (C) 2014 MyMenu, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see [http://www.gnu.org/licenses/].
 */

package ca.mymenuapp.data;

import android.content.Context;
import android.content.SharedPreferences;
import android.net.Uri;
import ca.mymenuapp.BuildConfig;
import ca.mymenuapp.MyMenuApi;
import ca.mymenuapp.dagger.scopes.ForApplication;
import ca.mymenuapp.data.api.ApiModule;
import ca.mymenuapp.data.api.model.User;
import ca.mymenuapp.data.prefs.ObjectPreference;
import com.f2prateek.ln.Ln;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.squareup.okhttp.HttpResponseCache;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.picasso.OkHttpDownloader;
import com.squareup.picasso.Picasso;
import dagger.Module;
import dagger.Provides;
import java.io.File;
import java.io.IOException;
import javax.inject.Named;
import javax.inject.Singleton;
import pl.charmas.android.reactivelocation.ReactiveLocationProvider;

/**
 * Module for any data sources, including databases (which we don't use), http clients, image
 * loaders and preferences.
 */
@Module(includes = ApiModule.class, complete = false, library = true)
public final class DataModule {

    public static final String USER_PREFERENCE = "user_preference";

    static final int DISK_CACHE_SIZE = 50 * 1024 * 1024; // 50MB

    static OkHttpClient createOkHttpClient(Context app) {
        OkHttpClient client = new OkHttpClient();
        // Install an HTTP cache in the application cache directory.
        try {
            File cacheDir = new File(app.getCacheDir(), "http");
            HttpResponseCache cache = new HttpResponseCache(cacheDir, DISK_CACHE_SIZE);
            client.setResponseCache(cache);
        } catch (IOException e) {
            Ln.e(e, "Unable to install disk cache.");
        }

        return client;
    }

    @Provides
    @Singleton
    Gson provideGson() {
        return new GsonBuilder().create();
    }

    @Provides
    @Singleton
    SharedPreferences provideSharedPreferences(@ForApplication Context applicationContext) {
        return applicationContext.getSharedPreferences(BuildConfig.PACKAGE_NAME, Context.MODE_PRIVATE);
    }

    @Provides
    @Singleton
    OkHttpClient provideOkHttpClient(@ForApplication Context applicationContext) {
        return createOkHttpClient(applicationContext);
    }

    @Provides
    @Singleton
    Picasso providePicasso(@ForApplication Context applicationContext, OkHttpClient client) {
        return new Picasso.Builder(applicationContext).downloader(new OkHttpDownloader(client))
                .listener(new Picasso.Listener() {
                    @Override
                    public void onImageLoadFailed(Picasso picasso, Uri uri, Exception e) {
                        Ln.e(e, "Failed to load image: %s", uri);
                    }
                }).build();
    }

    @Provides
    @Singleton
    @Named(USER_PREFERENCE)
    ObjectPreference<User> providesUser(SharedPreferences preferences, Gson gson) {
        return new ObjectPreference<>(preferences, gson, User.class, USER_PREFERENCE);
    }

    @Provides
    @Singleton
    MyMenuDatabase provideMyMenuDatabase(MyMenuApi myMenuApi) {
        return new MyMenuDatabase(myMenuApi);
    }

    @Provides
    @Singleton
    ReactiveLocationProvider reactiveLocationProvider(@ForApplication Context context) {
        return new ReactiveLocationProvider(context);
    }
}