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Code Issues Releases Wiki Activity

greatly fix all the follower/ing stuff

Browse Source 
closes #1334 (assuming)
closes #1340 (by implementing API search)
closes #1342
closes #1472
closes #1473
This commit is contained in:
Austin Huang 2021-07-07 17:14:45 -04:00
parent e4612a0dd0
commit 036edbea10
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GPG Key ID: 84C23AA04587A91F
11 changed files with 450 additions and 597 deletions
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57
app/src/main/java/awais/instagrabber/adapters/FollowAdapter.java
View File

@ -12,12 +12,13 @@ import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import java.util.stream.Collectors;
import awais.instagrabber.R; import awais.instagrabber.R;
import awais.instagrabber.adapters.viewholder.FollowsViewHolder; import awais.instagrabber.adapters.viewholder.FollowsViewHolder;
import awais.instagrabber.databinding.ItemFollowBinding; import awais.instagrabber.databinding.ItemFollowBinding;
import awais.instagrabber.interfaces.OnGroupClickListener; import awais.instagrabber.interfaces.OnGroupClickListener;
import awais.instagrabber.models.FollowModel; import awais.instagrabber.repositories.responses.User;
import awais.instagrabber.utils.TextUtils; import awais.instagrabber.utils.TextUtils;
import thoughtbot.expandableadapter.ExpandableGroup; import thoughtbot.expandableadapter.ExpandableGroup;
import thoughtbot.expandableadapter.ExpandableList; import thoughtbot.expandableadapter.ExpandableList;
@ -27,28 +28,33 @@ import thoughtbot.expandableadapter.GroupViewHolder;
// thanks to ThoughtBot's ExpandableRecyclerViewAdapter // thanks to ThoughtBot's ExpandableRecyclerViewAdapter
// https://github.com/thoughtbot/expandable-recycler-view // https://github.com/thoughtbot/expandable-recycler-view
public final class FollowAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements OnGroupClickListener, Filterable { public final class FollowAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements OnGroupClickListener, Filterable {
private final View.OnClickListener onClickListener;
private final ExpandableList expandableListOriginal;
private final boolean hasManyGroups;
private ExpandableList expandableList;
private final Filter filter = new Filter() { private final Filter filter = new Filter() {
@Nullable @Nullable
@Override @Override
protected FilterResults performFiltering(final CharSequence filter) { protected FilterResults performFiltering(final CharSequence filter) {
if (expandableList.groups != null) { final List<User> filteredItems = new ArrayList<User>();
final boolean isFilterEmpty = TextUtils.isEmpty(filter); if (expandableListOriginal.groups == null || TextUtils.isEmpty(filter)) return null;
final String query = isFilterEmpty ? null : filter.toString().toLowerCase(); final String query = filter.toString().toLowerCase();
final ArrayList<ExpandableGroup> groups = new ArrayList<ExpandableGroup>();
for (int x = 0; x < expandableList.groups.size(); ++x) { for (int x = 0; x < expandableListOriginal.groups.size(); ++x) {
final ExpandableGroup expandableGroup = expandableList.groups.get(x); final ExpandableGroup expandableGroup = expandableListOriginal.groups.get(x);
final List<FollowModel> items = expandableGroup.getItems(false); final String title = expandableGroup.getTitle();
final int itemCount = expandableGroup.getItemCount(false); final List<User> items = expandableGroup.getItems();
if (items != null) {
for (int i = 0; i < itemCount; ++i) { final List<User> toReturn = items.stream()
final FollowModel followModel = items.get(i); .filter(u -> hasKey(query, u.getUsername(), u.getFullName()))
.collect(Collectors.toList());
if (isFilterEmpty) followModel.setShown(true); groups.add(new ExpandableGroup(title, toReturn));
else followModel.setShown(hasKey(query, followModel.getUsername(), followModel.getFullName()));
}
} }
} }
return null; final FilterResults filterResults = new FilterResults();
filterResults.values = new ExpandableList(groups, expandableList.expandedGroupIndexes);
return filterResults;
} }
private boolean hasKey(final String key, final String username, final String name) { private boolean hasKey(final String key, final String username, final String name) {
@ -60,15 +66,20 @@ public final class FollowAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
@Override @Override
protected void publishResults(final CharSequence constraint, final FilterResults results) { protected void publishResults(final CharSequence constraint, final FilterResults results) {
if (results == null) {
expandableList = expandableListOriginal;
}
else {
final ExpandableList filteredList = (ExpandableList) results.values;
expandableList = filteredList;
}
notifyDataSetChanged(); notifyDataSetChanged();
} }
}; };
private final View.OnClickListener onClickListener;
private final ExpandableList expandableList;
private final boolean hasManyGroups;
public FollowAdapter(final View.OnClickListener onClickListener, @NonNull final ArrayList<ExpandableGroup> groups) { public FollowAdapter(final View.OnClickListener onClickListener, @NonNull final ArrayList<ExpandableGroup> groups) {
this.expandableList = new ExpandableList(groups); this.expandableListOriginal = new ExpandableList(groups);
expandableList = this.expandableListOriginal;
this.onClickListener = onClickListener; this.onClickListener = onClickListener;
this.hasManyGroups = groups.size() > 1; this.hasManyGroups = groups.size() > 1;
} }
@ -104,7 +115,7 @@ public final class FollowAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
gvh.toggle(isGroupExpanded(group)); gvh.toggle(isGroupExpanded(group));
return; return;
} }
final FollowModel model = group.getItems(true).get(hasManyGroups ? listPos.childPos : position); final User model = group.getItems().get(hasManyGroups ? listPos.childPos : position);
((FollowsViewHolder) holder).bind(model, onClickListener); ((FollowsViewHolder) holder).bind(model, onClickListener);
} }
@ -124,7 +135,7 @@ public final class FollowAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
final int groupPos = listPosition.groupPos; final int groupPos = listPosition.groupPos;
final int positionStart = expandableList.getFlattenedGroupIndex(listPosition) + 1; final int positionStart = expandableList.getFlattenedGroupIndex(listPosition) + 1;
final int positionEnd = expandableList.groups.get(groupPos).getItemCount(true); final int positionEnd = expandableList.groups.get(groupPos).getItemCount();
final boolean isExpanded = expandableList.expandedGroupIndexes[groupPos]; final boolean isExpanded = expandableList.expandedGroupIndexes[groupPos];
expandableList.expandedGroupIndexes[groupPos] = !isExpanded; expandableList.expandedGroupIndexes[groupPos] = !isExpanded;

11
app/src/main/java/awais/instagrabber/adapters/viewholder/FollowsViewHolder.java
View File

@ -6,7 +6,6 @@ import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView; import androidx.recyclerview.widget.RecyclerView;
import awais.instagrabber.databinding.ItemFollowBinding; import awais.instagrabber.databinding.ItemFollowBinding;
import awais.instagrabber.models.FollowModel;
import awais.instagrabber.repositories.responses.User; import awais.instagrabber.repositories.responses.User;
public final class FollowsViewHolder extends RecyclerView.ViewHolder { public final class FollowsViewHolder extends RecyclerView.ViewHolder {
@ -27,14 +26,4 @@ public final class FollowsViewHolder extends RecyclerView.ViewHolder {
binding.fullName.setText(model.getFullName()); binding.fullName.setText(model.getFullName());
binding.profilePic.setImageURI(model.getProfilePicUrl()); binding.profilePic.setImageURI(model.getProfilePicUrl());
} }
public void bind(final FollowModel model,
final View.OnClickListener onClickListener) {
if (model == null) return;
itemView.setTag(model);
itemView.setOnClickListener(onClickListener);
binding.username.setUsername("@" + model.getUsername());
binding.fullName.setText(model.getFullName());
binding.profilePic.setImageURI(model.getProfilePicUrl());
}
} }

655
app/src/main/java/awais/instagrabber/fragments/FollowViewerFragment.kt
View File

@ -1,453 +1,260 @@
package awais.instagrabber.fragments; package awais.instagrabber.fragments
import android.content.Context; import android.content.Context
import android.content.res.Resources; import android.content.res.Resources
import android.os.Bundle; import android.os.Bundle
import android.util.Log; import android.util.Log
import android.view.LayoutInflater; import android.view.LayoutInflater
import android.view.Menu; import android.view.Menu
import android.view.MenuInflater; import android.view.MenuInflater
import android.view.MenuItem; import android.view.MenuItem
import android.view.View; import android.view.View
import android.view.ViewGroup; import android.view.ViewGroup
import android.widget.Toast; import android.widget.Toast
import androidx.annotation.NonNull; import androidx.annotation.NonNull
import androidx.annotation.Nullable; import androidx.annotation.Nullable
import androidx.appcompat.app.ActionBar; import androidx.appcompat.app.ActionBar
import androidx.appcompat.app.AppCompatActivity; import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.widget.SearchView; import androidx.appcompat.widget.SearchView
import androidx.fragment.app.Fragment; import androidx.fragment.app.Fragment
import androidx.navigation.fragment.NavHostFragment; import androidx.lifecycle.ViewModelProvider
import androidx.recyclerview.widget.LinearLayoutManager; import androidx.navigation.fragment.NavHostFragment
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout; import androidx.recyclerview.widget.LinearLayoutManager
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import java.util.ArrayList; import java.util.ArrayList
import awais.instagrabber.R; import awais.instagrabber.R
import awais.instagrabber.adapters.FollowAdapter; import awais.instagrabber.adapters.FollowAdapter
import awais.instagrabber.customviews.helpers.RecyclerLazyLoader; import awais.instagrabber.customviews.helpers.RecyclerLazyLoader
import awais.instagrabber.databinding.FragmentFollowersViewerBinding; import awais.instagrabber.databinding.FragmentFollowersViewerBinding
import awais.instagrabber.models.FollowModel; import awais.instagrabber.models.Resource
import awais.instagrabber.repositories.responses.FriendshipListFetchResponse; import awais.instagrabber.repositories.responses.User
import awais.instagrabber.utils.AppExecutors; import awais.instagrabber.utils.AppExecutors
import awais.instagrabber.utils.CoroutineUtilsKt; import awais.instagrabber.viewmodels.FollowViewModel
import awais.instagrabber.utils.TextUtils; import thoughtbot.expandableadapter.ExpandableGroup
import awais.instagrabber.webservices.FriendshipRepository;
import awais.instagrabber.webservices.ServiceCallback;
import kotlinx.coroutines.Dispatchers;
import thoughtbot.expandableadapter.ExpandableGroup;
public final class FollowViewerFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener { class FollowViewerFragment : Fragment(), SwipeRefreshLayout.OnRefreshListener {
private static final String TAG = "FollowViewerFragment"; private val followModels: ArrayList<User> = ArrayList<User>()
private val followingModels: ArrayList<User> = ArrayList<User>()
private val followersModels: ArrayList<User> = ArrayList<User>()
private val allFollowing: ArrayList<User> = ArrayList<User>()
private val moreAvailable = true
private var isFollowersList = false
private var isCompare = false
private var shouldRefresh = true
private var searching = false
private var profileId: Long = 0
private var username: String? = null
private var namePost: String? = null
private var type = 0
private var root: SwipeRefreshLayout? = null
private var adapter: FollowAdapter? = null
private lateinit var lazyLoader: RecyclerLazyLoader
private lateinit var fragmentActivity: AppCompatActivity
private lateinit var viewModel: FollowViewModel
private lateinit var binding: FragmentFollowersViewerBinding
private final ArrayList<FollowModel> followModels = new ArrayList<>(); override fun onCreate(savedInstanceState: Bundle?) {
private final ArrayList<FollowModel> followingModels = new ArrayList<>(); super.onCreate(savedInstanceState)
private final ArrayList<FollowModel> followersModels = new ArrayList<>(); fragmentActivity = activity as AppCompatActivity
private final ArrayList<FollowModel> allFollowing = new ArrayList<>(); viewModel = ViewModelProvider(this).get(FollowViewModel::class.java)
setHasOptionsMenu(true)
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 SwipeRefreshLayout root;
private FriendshipRepository friendshipRepository;
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();
friendshipRepository.getList(
false,
profileId,
endCursor,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
if (throwable != null) {
onFailure(throwable);
return;
}
onSuccess(response);
}), Dispatchers.getIO())
);
} else if (followersModels.size() == 0) {
if (!isFollowersList) moreAvailable = false;
friendshipRepository.getList(
true,
profileId,
null,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
if (throwable != null) {
followingFetchCb.onFailure(throwable);
return;
}
followingFetchCb.onSuccess(response);
}), Dispatchers.getIO())
);
} 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 ignored) {}
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();
friendshipRepository.getList(
true,
profileId,
endCursor,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
if (throwable != null) {
onFailure(throwable);
return;
}
onSuccess(response);
}), Dispatchers.getIO())
);
} else if (followingModels.size() == 0) {
if (isFollowersList) moreAvailable = false;
friendshipRepository.getList(
false,
profileId,
null,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
if (throwable != null) {
followingFetchCb.onFailure(throwable);
return;
}
followingFetchCb.onSuccess(response);
}), Dispatchers.getIO())
);
} 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 ignored) {}
Log.e(TAG, "Error fetching list (double, follower)", t);
}
};
@Override
public void onCreate(@Nullable final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
friendshipRepository = FriendshipRepository.Companion.getInstance();
fragmentActivity = (AppCompatActivity) getActivity();
setHasOptionsMenu(true);
} }
@NonNull override fun onCreateView(
@Override inflater: LayoutInflater,
public View onCreateView(@NonNull final LayoutInflater inflater, @Nullable final ViewGroup container, @Nullable final Bundle savedInstanceState) { container: ViewGroup?,
savedInstanceState: Bundle?
): View {
if (root != null) { if (root != null) {
shouldRefresh = false; shouldRefresh = false
return root; return root!!
} }
binding = FragmentFollowersViewerBinding.inflate(getLayoutInflater()); binding = FragmentFollowersViewerBinding.inflate(layoutInflater)
root = binding.getRoot(); root = binding.root
return root; return root!!
} }
@Override override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) { if (!shouldRefresh) return
if (!shouldRefresh) return; init()
init(); shouldRefresh = false
shouldRefresh = false;
} }
private void init() { private fun init() {
if (getArguments() == null) return; val args = arguments ?: return
final FollowViewerFragmentArgs fragmentArgs = FollowViewerFragmentArgs.fromBundle(getArguments()); val fragmentArgs = FollowViewerFragmentArgs.fromBundle(args)
profileId = fragmentArgs.getProfileId(); viewModel.userId.value = fragmentArgs.profileId
isFollowersList = fragmentArgs.getIsFollowersList(); isFollowersList = fragmentArgs.isFollowersList
username = fragmentArgs.getUsername(); username = fragmentArgs.username
namePost = username; namePost = username
if (TextUtils.isEmpty(username)) { setTitle(username)
// this usually should not occur binding.swipeRefreshLayout.setOnRefreshListener(this)
username = "You"; if (isCompare) listCompare() else listFollows()
namePost = "You're"; viewModel.fetch(isFollowersList, null)
}
override fun onResume() {
super.onResume()
setTitle(username)
setSubtitle(type)
}
private fun setTitle(title: String?) {
val actionBar: ActionBar = fragmentActivity.supportActionBar ?: return
actionBar.title = title
}
private fun setSubtitle(subtitleRes: Int) {
val actionBar: ActionBar = fragmentActivity.supportActionBar ?: return
actionBar.setSubtitle(subtitleRes)
}
override fun onRefresh() {
lazyLoader.resetState()
viewModel.clearProgress()
if (isCompare) listCompare()
else viewModel.fetch(isFollowersList, null)
}
private fun listFollows() {
viewModel.comparison.removeObservers(viewLifecycleOwner)
viewModel.status.removeObservers(viewLifecycleOwner)
type = if (isFollowersList) R.string.followers_type_followers else R.string.followers_type_following
setSubtitle(type)
val layoutManager = LinearLayoutManager(context)
lazyLoader = RecyclerLazyLoader(layoutManager, { _, totalItemsCount ->
binding.swipeRefreshLayout.isRefreshing = true
val liveData = if (searching) viewModel.search(isFollowersList)
else viewModel.fetch(isFollowersList, null)
liveData.observe(viewLifecycleOwner) {
binding.swipeRefreshLayout.isRefreshing = it.status != Resource.Status.SUCCESS
layoutManager.scrollToPosition(totalItemsCount)
}
})
binding.rvFollow.addOnScrollListener(lazyLoader)
binding.rvFollow.layoutManager = layoutManager
viewModel.getList(isFollowersList).observe(viewLifecycleOwner) {
binding.swipeRefreshLayout.isRefreshing = false
refreshAdapter(it, null, null, null)
} }
setTitle(username); }
resources = getResources();
clickListener = v -> { private fun listCompare() {
final Object tag = v.getTag(); viewModel.getList(isFollowersList).removeObservers(viewLifecycleOwner)
if (tag instanceof FollowModel) { binding.rvFollow.clearOnScrollListeners()
model = (FollowModel) tag; binding.swipeRefreshLayout.isRefreshing = true
final FollowViewerFragmentDirections.ActionFollowViewerFragmentToProfileFragment action = FollowViewerFragmentDirections setSubtitle(R.string.followers_compare)
.actionFollowViewerFragmentToProfileFragment(); viewModel.status.observe(viewLifecycleOwner) {}
action.setUsername("@" + model.getUsername()); viewModel.comparison.observe(viewLifecycleOwner) {
NavHostFragment.findNavController(this).navigate(action); if (it != null) {
binding.swipeRefreshLayout.isRefreshing = false
refreshAdapter(null, it.first, it.second, it.third)
} }
}; }
binding.swipeRefreshLayout.setOnRefreshListener(this);
onRefresh();
} }
@Override override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
public void onResume() { inflater.inflate(R.menu.follow, menu)
super.onResume(); val menuSearch = menu.findItem(R.id.action_search)
setTitle(username); val searchView = menuSearch.actionView as SearchView
setSubtitle(type); searchView.queryHint = resources.getString(R.string.action_search)
} searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
override fun onQueryTextSubmit(query: String): Boolean {
private void setTitle(final String title) { return false
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 override fun onQueryTextChange(query: String): Boolean {
public void onFailure(final Throwable t) { if (query.isNullOrEmpty()) {
try { if (!isCompare && searching) {
binding.swipeRefreshLayout.setRefreshing(false); viewModel.setQuery(null, isFollowersList)
Toast.makeText(getContext(), t.getMessage(), Toast.LENGTH_SHORT).show(); viewModel.getSearch().removeObservers(viewLifecycleOwner)
} catch (Throwable ignored) {} viewModel.getList(isFollowersList).observe(viewLifecycleOwner) {
Log.e(TAG, "Error fetching list (single)", t); refreshAdapter(it, null, null, null)
}
};
layoutManager = new LinearLayoutManager(getContext());
lazyLoader = new RecyclerLazyLoader(layoutManager, (page, totalItemsCount) -> {
if (!TextUtils.isEmpty(endCursor) && !searching) {
binding.swipeRefreshLayout.setRefreshing(true);
layoutManager.setStackFromEnd(true);
friendshipRepository.getList(
isFollowersList,
profileId,
endCursor,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
if (throwable != null) {
cb.onFailure(throwable);
return;
}
cb.onSuccess(response);
}), Dispatchers.getIO())
);
endCursor = null;
}
});
binding.rvFollow.addOnScrollListener(lazyLoader);
binding.rvFollow.setLayoutManager(layoutManager);
if (moreAvailable) {
binding.swipeRefreshLayout.setRefreshing(true);
friendshipRepository.getList(
isFollowersList,
profileId,
endCursor,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
if (throwable != null) {
cb.onFailure(throwable);
return;
} }
cb.onSuccess(response); }
}), Dispatchers.getIO()) searching = false
); return true
}
searching = true
if (isCompare && adapter != null) {
adapter!!.filter.filter(query)
return true
}
viewModel.getList(isFollowersList).removeObservers(viewLifecycleOwner)
binding.swipeRefreshLayout.isRefreshing = true
viewModel.setQuery(query, isFollowersList)
viewModel.getSearch().observe(viewLifecycleOwner) {
binding.swipeRefreshLayout.isRefreshing = false
refreshAdapter(it, null, null, null)
}
return true
}
})
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
if (item.itemId != R.id.action_compare) return super.onOptionsItemSelected(item)
binding.rvFollow.adapter = null
if (isCompare) {
isCompare = false
listFollows()
} else { } else {
refreshAdapter(followModels, null, null, null); isCompare = true
layoutManager.scrollToPosition(0); listCompare()
} }
return true
} }
private void listCompare() { private fun refreshAdapter(
layoutManager.setStackFromEnd(false); followModels: List<User>?,
binding.rvFollow.clearOnScrollListeners(); allFollowing: List<User>?,
loading = true; followingModels: List<User>?,
setSubtitle(R.string.followers_compare); followersModels: List<User>?
allFollowing.clear(); ) {
if (moreAvailable) { val groups: ArrayList<ExpandableGroup> = ArrayList<ExpandableGroup>(1)
binding.swipeRefreshLayout.setRefreshing(true);
Toast.makeText(getContext(), R.string.follower_start_compare, Toast.LENGTH_LONG).show();
friendshipRepository.getList(
isFollowersList,
profileId,
endCursor,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
final ServiceCallback<FriendshipListFetchResponse> callback = isFollowersList ? followersFetchCb : followingFetchCb;
if (throwable != null) {
callback.onFailure(throwable);
return;
}
callback.onSuccess(response);
}), Dispatchers.getIO())
);
} else if (followersModels.size() == 0 || followingModels.size() == 0) {
binding.swipeRefreshLayout.setRefreshing(true);
Toast.makeText(getContext(), R.string.follower_start_compare, Toast.LENGTH_LONG).show();
friendshipRepository.getList(
!isFollowersList,
profileId,
null,
CoroutineUtilsKt.getContinuation((response, throwable) -> AppExecutors.INSTANCE.getMainThread().execute(() -> {
final ServiceCallback<FriendshipListFetchResponse> callback = isFollowersList ? followingFetchCb : followersFetchCb;
if (throwable != null) {
callback.onFailure(throwable);
return;
}
callback.onSuccess(response);
}), Dispatchers.getIO()));
} 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 = false;
listFollows();
} else {
isCompare = true;
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 (isCompare && followingModels != null && followersModels != null && allFollowing != null) {
if (followingModels.size() > 0) if (followingModels.size > 0) groups.add(
groups.add(new ExpandableGroup(resources.getString(R.string.followers_not_following, username), followingModels)); ExpandableGroup(
if (followersModels.size() > 0) getString(
groups.add(new ExpandableGroup(resources.getString(R.string.followers_not_follower, namePost), followersModels)); R.string.followers_not_following,
if (allFollowing.size() > 0) username
groups.add(new ExpandableGroup(resources.getString(R.string.followers_both_following), allFollowing)); ), followingModels
)
)
if (followersModels.size > 0) groups.add(
ExpandableGroup(
getString(
R.string.followers_not_follower,
namePost
), followersModels
)
)
if (allFollowing.size > 0) groups.add(
ExpandableGroup(
getString(R.string.followers_both_following),
allFollowing
)
)
} else if (followModels != null) { } else if (followModels != null) {
groups.add(new ExpandableGroup(type, followModels)); groups.add(ExpandableGroup(getString(type), followModels))
} else return; } else return
adapter = new FollowAdapter(clickListener, groups); adapter = FollowAdapter({ v ->
adapter.toggleGroup(0); val tag = v.tag
binding.rvFollow.setAdapter(adapter); if (tag is User) {
val model = tag
val bundle = Bundle()
bundle.putString("username", model.username)
NavHostFragment.findNavController(this).navigate(R.id.action_global_profileFragment, bundle)
}
}, groups)
adapter!!.toggleGroup(0)
binding.rvFollow.adapter = adapter!!
}
companion object {
private const val TAG = "FollowViewerFragment"
} }
} }

49
app/src/main/java/awais/instagrabber/models/FollowModel.kt
View File

@ -1,49 +0,0 @@
package awais.instagrabber.models
import java.io.Serializable
class FollowModel(
val id: String,
val username: String,
val fullName: String,
val profilePicUrl: String
) : Serializable {
private var hasNextPage = false
get() = endCursor != null && field
var isShown = true
var endCursor: String? = null
private set
fun setPageCursor(hasNextPage: Boolean, endCursor: String?) {
this.endCursor = endCursor
this.hasNextPage = hasNextPage
}
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (javaClass != other?.javaClass) return false
other as FollowModel
if (id != other.id) return false
if (username != other.username) return false
if (fullName != other.fullName) return false
if (profilePicUrl != other.profilePicUrl) return false
if (isShown != other.isShown) return false
if (endCursor != other.endCursor) return false
return true
}
override fun hashCode(): Int {
var result = id.hashCode()
result = 31 * result + username.hashCode()
result = 31 * result + fullName.hashCode()
result = 31 * result + profilePicUrl.hashCode()
result = 31 * result + isShown.hashCode()
result = 31 * result + (endCursor?.hashCode() ?: 0)
return result
}
}

3
app/src/main/java/awais/instagrabber/repositories/FriendshipService.kt
View File

@ -1,6 +1,7 @@
package awais.instagrabber.repositories package awais.instagrabber.repositories
import awais.instagrabber.repositories.responses.FriendshipChangeResponse import awais.instagrabber.repositories.responses.FriendshipChangeResponse
import awais.instagrabber.repositories.responses.FriendshipListFetchResponse
import awais.instagrabber.repositories.responses.FriendshipRestrictResponse import awais.instagrabber.repositories.responses.FriendshipRestrictResponse
import retrofit2.http.* import retrofit2.http.*
@ -25,7 +26,7 @@ interface FriendshipService {
@Path("userId") userId: Long, @Path("userId") userId: Long,
@Path("type") type: String, // following or followers @Path("type") type: String, // following or followers
@QueryMap(encoded = true) queryParams: Map<String, String>, @QueryMap(encoded = true) queryParams: Map<String, String>,
): String ): FriendshipListFetchResponse
@FormUrlEncoded @FormUrlEncoded
@POST("/api/v1/friendships/{action}/") @POST("/api/v1/friendships/{action}/")

19
app/src/main/java/awais/instagrabber/repositories/responses/FriendshipListFetchResponse.kt
View File

@ -1,27 +1,10 @@
package awais.instagrabber.repositories.responses package awais.instagrabber.repositories.responses
import awais.instagrabber.models.FollowModel
data class FriendshipListFetchResponse( data class FriendshipListFetchResponse(
var nextMaxId: String?, var nextMaxId: String?,
var status: String?, var status: String?,
var items: List<FollowModel>? var users: List<User>?
) { ) {
val isMoreAvailable: Boolean val isMoreAvailable: Boolean
get() = !nextMaxId.isNullOrBlank() get() = !nextMaxId.isNullOrBlank()
fun setNextMaxId(nextMaxId: String): FriendshipListFetchResponse {
this.nextMaxId = nextMaxId
return this
}
fun setStatus(status: String): FriendshipListFetchResponse {
this.status = status
return this
}
fun setItems(items: List<FollowModel>): FriendshipListFetchResponse {
this.items = items
return this
}
} }

174
app/src/main/java/awais/instagrabber/viewmodels/FollowViewModel.kt
View File

@ -1,19 +1,167 @@
package awais.instagrabber.viewmodels; package awais.instagrabber.viewmodels
import androidx.lifecycle.MutableLiveData; import androidx.lifecycle.LiveData
import androidx.lifecycle.ViewModel; import androidx.lifecycle.MediatorLiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import awais.instagrabber.models.Resource
import awais.instagrabber.repositories.responses.User
import awais.instagrabber.webservices.FriendshipRepository
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import java.util.List; class FollowViewModel : ViewModel() {
// data
val userId = MutableLiveData<Long>()
private val followers = MutableLiveData<List<User>>()
private val followings = MutableLiveData<List<User>>()
private val searchResults = MutableLiveData<List<User>>()
import awais.instagrabber.models.FollowModel; // cursors
private val followersMaxId = MutableLiveData<String?>("")
private val followingMaxId = MutableLiveData<String?>("")
private val searchingMaxId = MutableLiveData<String?>("")
private val searchQuery = MutableLiveData<String?>()
public class FollowViewModel extends ViewModel { // comparison
private MutableLiveData<List<FollowModel>> list; val status: LiveData<Pair<Boolean, Boolean>> = object : MediatorLiveData<Pair<Boolean, Boolean>>() {
init {
public MutableLiveData<List<FollowModel>> getList() { postValue(Pair(false, false))
if (list == null) { addSource(followersMaxId) {
list = new MutableLiveData<>(); if (it == null) {
postValue(Pair(true, value!!.second))
}
else fetch(true, it)
}
addSource(followingMaxId) {
if (it == null) {
postValue(Pair(value!!.first, true))
}
else fetch(false, it)
}
}
} }
return list; val comparison: LiveData<Triple<List<User>, List<User>, List<User>>> =
object : MediatorLiveData<Triple<List<User>, List<User>, List<User>>>() {
init {
addSource(status) {
if (it.first && it.second) {
val followersList = followers.value!!
val followingList = followings.value!!
val allUsers: MutableList<User> = mutableListOf()
allUsers.addAll(followersList)
allUsers.addAll(followingList)
val followersMap = followersList.groupBy { it.pk }
val followingMap = followingList.groupBy { it.pk }
val mutual: MutableList<User> = mutableListOf()
val onlyFollowing: MutableList<User> = mutableListOf()
val onlyFollowers: MutableList<User> = mutableListOf()
allUsers.forEach {
val isFollowing = followingMap.get(it.pk) != null
val isFollower = followersMap.get(it.pk) != null
if (isFollowing && isFollower) mutual.add(it)
else if (isFollowing) onlyFollowing.add(it)
else if (isFollower) onlyFollowers.add(it)
}
postValue(Triple(mutual, onlyFollowing, onlyFollowers))
}
}
}
}
private val friendshipRepository: FriendshipRepository by lazy { FriendshipRepository.getInstance() }
// fetch: supply max ID for continuous fetch
fun fetch(follower: Boolean, nextMaxId: String?): LiveData<Resource<Any?>> {
val data = MutableLiveData<Resource<Any?>>()
data.postValue(Resource.loading(null))
val maxId = if (follower) followersMaxId else followingMaxId
if (maxId.value == null && nextMaxId == null) data.postValue(Resource.success(null))
else if (userId.value == null) data.postValue(Resource.error("No user ID supplied!", null))
else viewModelScope.launch(Dispatchers.IO) {
try {
val tempList = friendshipRepository.getList(
follower,
userId.value!!,
nextMaxId ?: maxId.value,
null
)
if (!tempList.status.equals("ok")) {
data.postValue(Resource.error("Status not ok!", null))
}
else {
if (tempList.users != null) {
val liveData = if (follower) followers else followings
val currentList = if (liveData.value != null) liveData.value!!.toMutableList()
else mutableListOf()
currentList.addAll(tempList.users!!)
liveData.postValue(currentList.toList())
}
maxId.postValue(tempList.nextMaxId)
data.postValue(Resource.success(null))
}
} catch (e: Exception) {
data.postValue(Resource.error(e.message, null))
}
}
return data
} }
}
fun getList(follower: Boolean): LiveData<List<User>> {
return if (follower) followers else followings
}
fun search(follower: Boolean): LiveData<Resource<Any?>> {
val data = MutableLiveData<Resource<Any?>>()
data.postValue(Resource.loading(null))
val query = searchQuery.value
if (searchingMaxId.value == null) data.postValue(Resource.success(null))
else if (userId.value == null) data.postValue(Resource.error("No user ID supplied!", null))
else if (query.isNullOrEmpty()) data.postValue(Resource.error("No query supplied!", null))
else viewModelScope.launch(Dispatchers.IO) {
try {
val tempList = friendshipRepository.getList(
follower,
userId.value!!,
searchingMaxId.value,
query
)
if (!tempList.status.equals("ok")) {
data.postValue(Resource.error("Status not ok!", null))
}
else {
if (tempList.users != null) {
val currentList = if (searchResults.value != null) searchResults.value!!.toMutableList()
else mutableListOf()
currentList.addAll(tempList.users!!)
searchResults.postValue(currentList.toList())
}
searchingMaxId.postValue(tempList.nextMaxId)
data.postValue(Resource.success(null))
}
} catch (e: Exception) {
data.postValue(Resource.error(e.message, null))
}
}
return data
}
fun getSearch(): LiveData<List<User>> {
return searchResults
}
fun setQuery(query: String?, follower: Boolean) {
searchQuery.value = query
if (!query.isNullOrEmpty()) search(follower)
}
fun clearProgress() {
followersMaxId.value = ""
followingMaxId.value = ""
searchingMaxId.value = ""
followings.value = listOf<User>()
followers.value = listOf<User>()
searchResults.value = listOf<User>()
}
}

45
app/src/main/java/awais/instagrabber/webservices/FriendshipRepository.kt
View File

@ -1,15 +1,11 @@
package awais.instagrabber.webservices package awais.instagrabber.webservices
import awais.instagrabber.models.FollowModel
import awais.instagrabber.repositories.FriendshipService import awais.instagrabber.repositories.FriendshipService
import awais.instagrabber.repositories.responses.FriendshipChangeResponse import awais.instagrabber.repositories.responses.FriendshipChangeResponse
import awais.instagrabber.repositories.responses.FriendshipListFetchResponse import awais.instagrabber.repositories.responses.FriendshipListFetchResponse
import awais.instagrabber.repositories.responses.FriendshipRestrictResponse import awais.instagrabber.repositories.responses.FriendshipRestrictResponse
import awais.instagrabber.utils.Utils import awais.instagrabber.utils.Utils
import awais.instagrabber.webservices.RetrofitFactory.retrofit import awais.instagrabber.webservices.RetrofitFactory.retrofit
import org.json.JSONArray
import org.json.JSONException
import org.json.JSONObject
class FriendshipRepository(private val service: FriendshipService) { class FriendshipRepository(private val service: FriendshipService) {
@ -113,43 +109,12 @@ class FriendshipRepository(private val service: FriendshipService) {
follower: Boolean, follower: Boolean,
targetUserId: Long, targetUserId: Long,
maxId: String?, maxId: String?,
query: String?
): FriendshipListFetchResponse { ): FriendshipListFetchResponse {
val queryMap = if (maxId != null) mapOf("max_id" to maxId) else emptyMap() val queryMap: MutableMap<String, String> = mutableMapOf()
val response = service.getList(targetUserId, if (follower) "followers" else "following", queryMap) if (!maxId.isNullOrEmpty()) queryMap.set("max_id", maxId)
return parseListResponse(response) if (!query.isNullOrEmpty()) queryMap.set("query", query)
} return service.getList(targetUserId, if (follower) "followers" else "following", queryMap.toMap())
@Throws(JSONException::class)
private fun parseListResponse(body: String): FriendshipListFetchResponse {
val root = JSONObject(body)
val nextMaxId = root.optString("next_max_id")
val status = root.optString("status")
val itemsJson = root.optJSONArray("users")
val items = parseItems(itemsJson)
return FriendshipListFetchResponse(
nextMaxId,
status,
items
)
}
@Throws(JSONException::class)
private fun parseItems(items: JSONArray?): List<FollowModel> {
if (items == null) {
return emptyList()
}
val followModels = mutableListOf<FollowModel>()
for (i in 0 until items.length()) {
val itemJson = items.optJSONObject(i) ?: continue
val followModel = FollowModel(
itemJson.getString("pk"),
itemJson.getString("username"),
itemJson.optString("full_name"),
itemJson.getString("profile_pic_url")
)
followModels.add(followModel)
}
return followModels
} }
companion object { companion object {

23
app/src/main/java/thoughtbot/expandableadapter/ExpandableGroup.java
View File

@ -3,13 +3,13 @@ package thoughtbot.expandableadapter;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import awais.instagrabber.models.FollowModel; import awais.instagrabber.repositories.responses.User;
public class ExpandableGroup { public class ExpandableGroup {
private final String title; private final String title;
private final List<FollowModel> items; private final List<User> items;
public ExpandableGroup(final String title, final List<FollowModel> items) { public ExpandableGroup(final String title, final List<User> items) {
this.title = title; this.title = title;
this.items = items; this.items = items;
} }
@ -18,22 +18,13 @@ public class ExpandableGroup {
return title; return title;
} }
public List<FollowModel> getItems(final boolean filtered) { public List<User> getItems() {
if (!filtered) return items; return items;
final ArrayList<FollowModel> followModels = new ArrayList<>();
for (final FollowModel followModel : items) if (followModel.isShown()) followModels.add(followModel);
return followModels;
} }
public int getItemCount(final boolean filtered) { public int getItemCount() {
if (items != null) { if (items != null) {
final int size = items.size(); return items.size();
if (filtered) {
int finalSize = 0;
for (int i = 0; i < size; ++i) if (items.get(i).isShown()) ++finalSize;
return finalSize;
}
return size;
} }
return 0; return 0;
} }

10
app/src/main/java/thoughtbot/expandableadapter/ExpandableList.java
View File

@ -1,6 +1,7 @@
package thoughtbot.expandableadapter; package thoughtbot.expandableadapter;
import androidx.annotation.NonNull; import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import java.util.ArrayList; import java.util.ArrayList;
@ -15,6 +16,13 @@ public final class ExpandableList {
this.expandedGroupIndexes = new boolean[groupsSize]; this.expandedGroupIndexes = new boolean[groupsSize];
} }
public ExpandableList(@NonNull final ArrayList<ExpandableGroup> groups,
@Nullable final boolean[] expandedGroupIndexes) {
this.groups = groups;
this.groupsSize = groups.size();
this.expandedGroupIndexes = expandedGroupIndexes;
}
public int getVisibleItemCount() { public int getVisibleItemCount() {
int count = 0; int count = 0;
for (int i = 0; i < groupsSize; i++) count = count + numberOfVisibleItemsInGroup(i); for (int i = 0; i < groupsSize; i++) count = count + numberOfVisibleItemsInGroup(i);
@ -36,7 +44,7 @@ public final class ExpandableList {
} }
private int numberOfVisibleItemsInGroup(final int group) { private int numberOfVisibleItemsInGroup(final int group) {
return expandedGroupIndexes[group] ? groups.get(group).getItemCount(true) + 1 : 1; return expandedGroupIndexes[group] ? groups.get(group).getItemCount() + 1 : 1;
} }
public int getFlattenedGroupIndex(@NonNull final ExpandableListPosition listPosition) { public int getFlattenedGroupIndex(@NonNull final ExpandableListPosition listPosition) {

1
app/src/main/res/layout/fragment_followers_viewer.xml
View File

@ -16,6 +16,5 @@
android:paddingLeft="8dp" android:paddingLeft="8dp"
android:paddingEnd="8dp" android:paddingEnd="8dp"
android:paddingRight="8dp" android:paddingRight="8dp"
app:layoutManager="LinearLayoutManager"
tools:listitem="@layout/item_follow" /> tools:listitem="@layout/item_follow" />
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout> </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>