ReleaseDetailActivity.java

package com.alorma.github.ui.activity;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.text.TextUtils;
import com.alorma.github.R;
import com.alorma.github.sdk.bean.info.ReleaseInfo;
import com.alorma.github.sdk.bean.info.RepoInfo;
import com.alorma.github.sdk.services.repo.GetReleaseClient;
import com.alorma.github.ui.activity.base.RepositoryThemeActivity;
import com.alorma.github.ui.adapter.viewpager.NavigationPagerAdapter;
import com.alorma.github.ui.fragment.releases.ReleaseAboutFragment;
import com.alorma.github.ui.fragment.releases.ReleaseAssetsFragment;
import com.alorma.github.utils.GitskariosDownloadManager;
import core.repositories.releases.Asset;
import core.repositories.releases.Release;
import java.util.ArrayList;
import java.util.List;
import rx.Observer;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;

public class ReleaseDetailActivity extends RepositoryThemeActivity
    implements Observer<Release>, ReleaseAssetsFragment.ReleaseAssetCallback {

  private static final String RELEASE_INFO = "RELEASE_INFO";
  private static final String RELEASE = "RELEASE";
  private static final String REPO_INFO = "REPO_INFO";
  private ReleaseInfo releaseInfo;
  private TabLayout tabLayout;
  private ViewPager viewPager;

  public static Intent launchIntent(Context context, ReleaseInfo releaseInfo) {
    Intent intent = new Intent(context, ReleaseDetailActivity.class);

    Bundle extras = new Bundle();
    extras.putParcelable(RELEASE_INFO, releaseInfo);

    intent.putExtras(extras);

    return intent;
  }

  public static Intent launchIntent(Context context, Release release, RepoInfo repoInfo) {
    Intent intent = new Intent(context, ReleaseDetailActivity.class);

    Bundle extras = new Bundle();
    extras.putParcelable(RELEASE, release);
    extras.putParcelable(REPO_INFO, repoInfo);

    intent.putExtras(extras);

    return intent;
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.release_detail_activity);

    if (getIntent().getExtras() != null) {

      tabLayout = (TabLayout) findViewById(R.id.tabStrip);
      viewPager = (ViewPager) findViewById(R.id.pager);

      if (getIntent().getExtras().containsKey(RELEASE)) {
        Release release = getIntent().getExtras().getParcelable(RELEASE);
        RepoInfo repoInfo = getIntent().getExtras().getParcelable(REPO_INFO);
        showRelease(release, repoInfo);
      } else if (getIntent().getExtras().containsKey(RELEASE_INFO)) {
        releaseInfo = getIntent().getExtras().getParcelable(RELEASE_INFO);
        GetReleaseClient releaseClient = new GetReleaseClient(releaseInfo);
        releaseClient.observable().subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).subscribe(this);
      }
    }
  }

  private void showRelease(Release release, RepoInfo repoInfo) {
    if (release != null) {
      String name = release.getName();
      if (TextUtils.isEmpty(name)) {
        name = release.getTagName();
      }
      setTitle(name);

      List<Fragment> listFragments = new ArrayList<>();
      listFragments.add(ReleaseAboutFragment.newInstance(release, repoInfo));

      List<Asset> assets = new ArrayList<>();

      assets.addAll(release.getAssets());

      Asset zipAsset = new Asset();
      zipAsset.setName(getString(R.string.release_asset_zip));
      zipAsset.setBrowserDownloadUrl(release.getZipballUrl());
      assets.add(zipAsset);

      Asset tarAsset = new Asset();
      tarAsset.setName(getString(R.string.release_asset_tar));
      zipAsset.setBrowserDownloadUrl(release.getTarballUrl());
      assets.add(tarAsset);

      ReleaseAssetsFragment releaseAssetsFragment = ReleaseAssetsFragment.newInstance(assets);

      releaseAssetsFragment.setReleaseAssetCallback(this);

      listFragments.add(releaseAssetsFragment);

      if (viewPager != null) {
        viewPager.setAdapter(new NavigationPagerAdapter(getSupportFragmentManager(), getResources(), listFragments));
        if (tabLayout != null) {
          tabLayout.setupWithViewPager(viewPager);
        }
      }
    }
  }

  @Override
  public void onNext(Release release) {
    showRelease(release, releaseInfo.repoInfo);
  }

  @Override
  public void onError(Throwable error) {

  }

  @Override
  public void onCompleted() {

  }

  @Override
  public void onReleaseDownloadRequest(final Asset asset) {
    GitskariosDownloadManager gitskariosDownloadManager = new GitskariosDownloadManager();
    gitskariosDownloadManager.download(this, asset.getBrowserDownloadUrl(), asset.getName(), text -> {
      Snackbar snackbar = Snackbar.make(getToolbar(), getString(text), Snackbar.LENGTH_LONG);

      snackbar.setAction(getString(R.string.external_storage_permission_request_action),
          v -> gitskariosDownloadManager.openAppSettings(ReleaseDetailActivity.this));

      snackbar.show();
    });
  }
}