BarInsta/app/src/main/java/awais/instagrabber/fragments/FollowViewerFragment.java

366 lines
16 KiB
Java

package awais.instagrabber.fragments;
import android.content.Context;
import android.content.res.Resources;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.SearchView;
import androidx.fragment.app.Fragment;
import androidx.navigation.fragment.NavHostFragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
import java.util.ArrayList;
import awais.instagrabber.R;
import awais.instagrabber.adapters.FollowAdapter;
import awais.instagrabber.customviews.helpers.RecyclerLazyLoader;
import awais.instagrabber.databinding.FragmentFollowersViewerBinding;
import awais.instagrabber.models.FollowModel;
import awais.instagrabber.repositories.responses.FriendshipListFetchResponse;
import awais.instagrabber.utils.TextUtils;
import awais.instagrabber.webservices.FriendshipService;
import awais.instagrabber.webservices.ServiceCallback;
import thoughtbot.expandableadapter.ExpandableGroup;
public final class FollowViewerFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener {
private static final String TAG = "FollowViewerFragment";
private final ArrayList<FollowModel> followModels = new ArrayList<>();
private final ArrayList<FollowModel> followingModels = new ArrayList<>();
private final ArrayList<FollowModel> followersModels = new ArrayList<>();
private final ArrayList<FollowModel> allFollowing = new ArrayList<>();
private boolean moreAvailable = true, isFollowersList, isCompare = false, loading = false, shouldRefresh = true, searching = false;
private long profileId;
private String username;
private String namePost;
private String type;
private String endCursor;
private Resources resources;
private LinearLayoutManager layoutManager;
private RecyclerLazyLoader lazyLoader;
private FollowModel model;
private FollowAdapter adapter;
private View.OnClickListener clickListener;
private FragmentFollowersViewerBinding binding;
private AsyncTask<Void, Void, FollowModel[]> currentlyExecuting;
private SwipeRefreshLayout root;
private FriendshipService friendshipService;
private AppCompatActivity fragmentActivity;
final ServiceCallback<FriendshipListFetchResponse> followingFetchCb = new ServiceCallback<FriendshipListFetchResponse>() {
@Override
public void onSuccess(final FriendshipListFetchResponse result) {
if (result != null && isCompare) {
followingModels.addAll(result.getItems());
if (!isFollowersList) followModels.addAll(result.getItems());
if (result.isMoreAvailable()) {
endCursor = result.getNextMaxId();
friendshipService.getList(false, profileId, endCursor, this);
} else if (followersModels.size() == 0) {
if (!isFollowersList) moreAvailable = false;
friendshipService.getList(true, profileId, null, followingFetchCb);
} else {
if (!isFollowersList) moreAvailable = false;
showCompare();
}
} else if (isCompare) binding.swipeRefreshLayout.setRefreshing(false);
}
@Override
public void onFailure(final Throwable t) {
try {
binding.swipeRefreshLayout.setRefreshing(false);
Toast.makeText(getContext(), t.getMessage(), Toast.LENGTH_SHORT).show();
}
catch(Throwable e) {}
Log.e(TAG, "Error fetching list (double, following)", t);
}
};
final ServiceCallback<FriendshipListFetchResponse> followersFetchCb = new ServiceCallback<FriendshipListFetchResponse>() {
@Override
public void onSuccess(final FriendshipListFetchResponse result) {
if (result != null && isCompare) {
followersModels.addAll(result.getItems());
if (isFollowersList) followModels.addAll(result.getItems());
if (result.isMoreAvailable()) {
endCursor = result.getNextMaxId();
friendshipService.getList(true, profileId, endCursor, this);
} else if (followingModels.size() == 0) {
if (isFollowersList) moreAvailable = false;
friendshipService.getList(false, profileId, null, followingFetchCb);
} else {
if (isFollowersList) moreAvailable = false;
showCompare();
}
} else if (isCompare) binding.swipeRefreshLayout.setRefreshing(false);
}
@Override
public void onFailure(final Throwable t) {
try {
binding.swipeRefreshLayout.setRefreshing(false);
Toast.makeText(getContext(), t.getMessage(), Toast.LENGTH_SHORT).show();
}
catch(Throwable e) {}
Log.e(TAG, "Error fetching list (double, follower)", t);
}
};
@Override
public void onCreate(@Nullable final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
friendshipService = FriendshipService.getInstance(null, null, 0);
fragmentActivity = (AppCompatActivity) getActivity();
setHasOptionsMenu(true);
}
@NonNull
@Override
public View onCreateView(@NonNull final LayoutInflater inflater, @Nullable final ViewGroup container, @Nullable final Bundle savedInstanceState) {
if (root != null) {
shouldRefresh = false;
return root;
}
binding = FragmentFollowersViewerBinding.inflate(getLayoutInflater());
root = binding.getRoot();
return root;
}
@Override
public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) {
if (!shouldRefresh) return;
init();
shouldRefresh = false;
}
private void init() {
if (getArguments() == null) return;
final FollowViewerFragmentArgs fragmentArgs = FollowViewerFragmentArgs.fromBundle(getArguments());
profileId = fragmentArgs.getProfileId();
isFollowersList = fragmentArgs.getIsFollowersList();
username = fragmentArgs.getUsername();
namePost = username;
if (TextUtils.isEmpty(username)) {
// this usually should not occur
username = "You";
namePost = "You're";
}
setTitle(username);
resources = getResources();
clickListener = v -> {
final Object tag = v.getTag();
if (tag instanceof FollowModel) {
model = (FollowModel) tag;
final FollowViewerFragmentDirections.ActionFollowViewerFragmentToProfileFragment action = FollowViewerFragmentDirections
.actionFollowViewerFragmentToProfileFragment();
action.setUsername("@" + model.getUsername());
NavHostFragment.findNavController(this).navigate(action);
}
};
binding.swipeRefreshLayout.setOnRefreshListener(this);
onRefresh();
}
private void setTitle(final String title) {
final ActionBar actionBar = fragmentActivity.getSupportActionBar();
if (actionBar == null) return;
actionBar.setTitle(title);
}
private void setSubtitle(final String subtitle) {
final ActionBar actionBar = fragmentActivity.getSupportActionBar();
if (actionBar == null) return;
actionBar.setSubtitle(subtitle);
}
private void setSubtitle(@SuppressWarnings("SameParameterValue") final int subtitleRes) {
final ActionBar actionBar = fragmentActivity.getSupportActionBar();
if (actionBar == null) return;
actionBar.setSubtitle(subtitleRes);
}
@Override
public void onRefresh() {
if (isCompare) listCompare();
else listFollows();
endCursor = null;
lazyLoader.resetState();
}
private void listFollows() {
type = resources.getString(isFollowersList ? R.string.followers_type_followers : R.string.followers_type_following);
setSubtitle(type);
final ServiceCallback<FriendshipListFetchResponse> cb = new ServiceCallback<FriendshipListFetchResponse>() {
@Override
public void onSuccess(final FriendshipListFetchResponse result) {
if (result == null) {
binding.swipeRefreshLayout.setRefreshing(false);
return;
}
int oldSize = followModels.size() == 0 ? 0 : followModels.size() - 1;
followModels.addAll(result.getItems());
if (result.isMoreAvailable()) {
moreAvailable = true;
endCursor = result.getNextMaxId();
} else moreAvailable = false;
binding.swipeRefreshLayout.setRefreshing(false);
if (isFollowersList) followersModels.addAll(result.getItems());
else followingModels.addAll(result.getItems());
refreshAdapter(followModels, null, null, null);
layoutManager.scrollToPosition(oldSize);
}
@Override
public void onFailure(final Throwable t) {
try {
binding.swipeRefreshLayout.setRefreshing(false);
Toast.makeText(getContext(), t.getMessage(), Toast.LENGTH_SHORT).show();
}
catch(Throwable e) {}
Log.e(TAG, "Error fetching list (single)", t);
}
};
layoutManager = new LinearLayoutManager(getContext());
lazyLoader = new RecyclerLazyLoader(layoutManager, (page, totalItemsCount) -> {
if (!TextUtils.isEmpty(endCursor) && !searching) {
binding.swipeRefreshLayout.setRefreshing(true);
layoutManager.setStackFromEnd(true);
friendshipService.getList(isFollowersList, profileId, endCursor, cb);
endCursor = null;
}
});
binding.rvFollow.addOnScrollListener(lazyLoader);
binding.rvFollow.setLayoutManager(layoutManager);
if (moreAvailable) {
binding.swipeRefreshLayout.setRefreshing(true);
friendshipService.getList(isFollowersList, profileId, endCursor, cb);
} else {
refreshAdapter(followModels, null, null, null);
layoutManager.scrollToPosition(0);
}
}
private void listCompare() {
layoutManager.setStackFromEnd(false);
binding.rvFollow.clearOnScrollListeners();
loading = true;
setSubtitle(R.string.followers_compare);
allFollowing.clear();
if (moreAvailable) {
binding.swipeRefreshLayout.setRefreshing(true);
Toast.makeText(getContext(), R.string.follower_start_compare, Toast.LENGTH_LONG).show();
friendshipService.getList(isFollowersList,
profileId,
endCursor,
isFollowersList ? followersFetchCb : followingFetchCb);
} else if (followersModels.size() == 0 || followingModels.size() == 0) {
binding.swipeRefreshLayout.setRefreshing(true);
Toast.makeText(getContext(), R.string.follower_start_compare, Toast.LENGTH_LONG).show();
friendshipService.getList(!isFollowersList,
profileId,
null,
isFollowersList ? followingFetchCb : followersFetchCb);
} else showCompare();
}
private void showCompare() {
allFollowing.addAll(followersModels);
allFollowing.retainAll(followingModels);
for (final FollowModel followModel : allFollowing) {
followersModels.remove(followModel);
followingModels.remove(followModel);
}
allFollowing.trimToSize();
followersModels.trimToSize();
followingModels.trimToSize();
binding.swipeRefreshLayout.setRefreshing(false);
refreshAdapter(null, followingModels, followersModels, allFollowing);
}
@Override
public void onCreateOptionsMenu(@NonNull final Menu menu, final MenuInflater inflater) {
inflater.inflate(R.menu.follow, menu);
final MenuItem menuSearch = menu.findItem(R.id.action_search);
final SearchView searchView = (SearchView) menuSearch.getActionView();
searchView.setQueryHint(getResources().getString(R.string.action_search));
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(final String query) {
return false;
}
@Override
public boolean onQueryTextChange(final String query) {
if (TextUtils.isEmpty(query)) {
searching = false;
// refreshAdapter(followModels, followingModels, followersModels, allFollowing);
}
// else filter.filter(query.toLowerCase());
if (adapter != null) {
searching = true;
adapter.getFilter().filter(query);
}
return true;
}
});
}
@Override
public boolean onOptionsItemSelected(@NonNull final MenuItem item) {
if (item.getItemId() != R.id.action_compare) return super.onOptionsItemSelected(item);
binding.rvFollow.setAdapter(null);
final Context context = getContext();
if (loading) Toast.makeText(context, R.string.follower_wait_to_load, Toast.LENGTH_LONG).show();
else if (isCompare) {
isCompare = !isCompare;
listFollows();
} else {
isCompare = !isCompare;
listCompare();
}
return true;
}
private void refreshAdapter(final ArrayList<FollowModel> followModels,
final ArrayList<FollowModel> followingModels,
final ArrayList<FollowModel> followersModels,
final ArrayList<FollowModel> allFollowing) {
loading = false;
final ArrayList<ExpandableGroup> groups = new ArrayList<>(1);
if (isCompare && followingModels != null && followersModels != null && allFollowing != null) {
if (followingModels != null && followingModels.size() > 0)
groups.add(new ExpandableGroup(resources.getString(R.string.followers_not_following, username), followingModels));
if (followersModels != null && followersModels.size() > 0)
groups.add(new ExpandableGroup(resources.getString(R.string.followers_not_follower, namePost), followersModels));
if (allFollowing != null && allFollowing.size() > 0)
groups.add(new ExpandableGroup(resources.getString(R.string.followers_both_following), allFollowing));
} else if (followModels != null) {
groups.add(new ExpandableGroup(type, followModels));
}
else return;
adapter = new FollowAdapter(clickListener, groups);
adapter.toggleGroup(0);
binding.rvFollow.setAdapter(adapter);
}
}