Fixes #3389 - Show User profiles (#4678)

* Fixes #3389 - Show  User profiles

* Don't show dummy achievements data - show data only when loaded

app/src/main/java/fr/free/nrw/commons/contributions/ContributionBoundaryCallback.kt

@@ -21,6 +21,8 @@ class ContributionBoundaryCallback @Inject constructor(
     @param:Named(CommonsApplicationModule.IO_THREAD) private val ioThreadScheduler: Scheduler
 ) : BoundaryCallback<Contribution>() {
     private val compositeDisposable: CompositeDisposable = CompositeDisposable()
+    lateinit var userName: String
+
 
     /**
      * It is triggered when the list has no items User's Contributions are then fetched from the
@@ -55,7 +57,7 @@ class ContributionBoundaryCallback @Inject constructor(
     fun fetchContributions() {
         if (sessionManager.userName != null) {
             compositeDisposable.add(
-                mediaClient.getMediaListForUser(sessionManager.userName!!)
+                mediaClient.getMediaListForUser(userName!!)
                     .map { mediaList ->
                         mediaList.map {
                             Contribution(media = it, state = Contribution.STATE_COMPLETED)
@@ -88,4 +90,11 @@ class ContributionBoundaryCallback @Inject constructor(
                 }
         )
     }
+
+    /**
+     * Clean up
+     */
+    fun dispose() {
+        compositeDisposable.dispose()
+    }
 }

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsListFragment.java

@@ -5,7 +5,6 @@ import static android.view.View.VISIBLE;
 import static fr.free.nrw.commons.di.NetworkingModule.NAMED_LANGUAGE_WIKI_PEDIA_WIKI_SITE;
 
 import android.content.Context;
-import android.content.Intent;
 import android.content.res.Configuration;
 import android.net.Uri;
 import android.os.Bundle;
@@ -21,6 +20,7 @@ import android.widget.ProgressBar;
 import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.appcompat.widget.AppCompatTextView;
 import androidx.fragment.app.FragmentManager;
 import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -35,17 +35,20 @@ import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import fr.free.nrw.commons.Media;
 import fr.free.nrw.commons.R;
 import fr.free.nrw.commons.Utils;
-import fr.free.nrw.commons.customselector.ui.selector.CustomSelectorActivity;
+import fr.free.nrw.commons.auth.SessionManager;
 import fr.free.nrw.commons.di.CommonsDaggerSupportFragment;
 import fr.free.nrw.commons.utils.DialogUtil;
 import fr.free.nrw.commons.media.MediaClient;
 import fr.free.nrw.commons.utils.SystemThemeUtils;
 import fr.free.nrw.commons.utils.ViewUtil;
 import java.util.Locale;
+import java.util.Objects;
 import javax.inject.Inject;
 import javax.inject.Named;
+import org.apache.commons.lang3.StringUtils;
 import org.wikipedia.dataclient.WikiSite;
-import timber.log.Timber;
+import fr.free.nrw.commons.profile.ProfileActivity;
+
 
 /**
  * Created by root on 01.06.2018.
@@ -56,7 +59,7 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
     WikipediaInstructionsDialogFragment.Callback {
 
     private static final String RV_STATE = "rv_scroll_state";
-      
+
     @BindView(R.id.contributionsList)
     RecyclerView rvContributionsList;
     @BindView(R.id.loadingContributionsProgressBar)
@@ -76,6 +79,8 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
 
     @Inject
     SystemThemeUtils systemThemeUtils;
+    @BindView(R.id.tv_contributions_of_user)
+    AppCompatTextView tvContributionsOfUser;
 
     @Inject
     ContributionController controller;
@@ -89,6 +94,9 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
     @Inject
     ContributionsListPresenter contributionsListPresenter;
 
+    @Inject
+    SessionManager sessionManager;
+
     private Animation fab_close;
     private Animation fab_open;
     private Animation rotate_forward;
@@ -105,8 +113,23 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
     private final int SPAN_COUNT_PORTRAIT = 1;
 
     private int contributionsSize;
+    String userName;
 
 
+    @Override
+    public void onCreate(@Nullable @org.jetbrains.annotations.Nullable final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        //Now that we are allowing this fragment to be started for
+        // any userName- we expect it to be passed as an argument
+        if (getArguments() != null) {
+            userName = getArguments().getString(ProfileActivity.KEY_USERNAME);
+        }
+
+        if (StringUtils.isEmpty(userName)) {
+            userName = sessionManager.getUserName();
+        }
+    }
+
     @Override
     public View onCreateView(
         final LayoutInflater inflater, @Nullable final ViewGroup container,
@@ -114,6 +137,16 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
         final View view = inflater.inflate(R.layout.fragment_contributions_list, container, false);
         ButterKnife.bind(this, view);
         contributionsListPresenter.onAttachView(this);
+
+        if (Objects.equals(sessionManager.getUserName(), userName)) {
+            tvContributionsOfUser.setVisibility(GONE);
+            fab_layout.setVisibility(VISIBLE);
+        } else {
+            tvContributionsOfUser.setVisibility(VISIBLE);
+            tvContributionsOfUser.setText(getString(R.string.contributions_of_user, userName));
+            fab_layout.setVisibility(GONE);
+        }
+
         initAdapter();
         return view;
     }
@@ -155,8 +188,9 @@ public class ContributionsListFragment extends CommonsDaggerSupportFragment impl
             ((SimpleItemAnimator) animator).setSupportsChangeAnimations(false);
         }
 
-        contributionsListPresenter.setup();
-        contributionsListPresenter.contributionList.observe(this.getViewLifecycleOwner(), list -> {
+        contributionsListPresenter.setup(userName,
+            Objects.equals(sessionManager.getUserName(), userName));
+        contributionsListPresenter.contributionList.observe(getViewLifecycleOwner(), list -> {
             contributionsSize = list.size();
             adapter.submitList(list);
             if (callback != null) {

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsListPresenter.java

@@ -1,6 +1,9 @@
 package fr.free.nrw.commons.contributions;
 
+import androidx.annotation.NonNull;
 import androidx.lifecycle.LiveData;
+import androidx.paging.DataSource;
+import androidx.paging.DataSource.Factory;
 import androidx.paging.LivePagedListBuilder;
 import androidx.paging.PagedList;
 import fr.free.nrw.commons.contributions.ContributionsListContract.UserActionListener;
@@ -20,17 +23,20 @@ public class ContributionsListPresenter implements UserActionListener {
     private final Scheduler ioThreadScheduler;
 
     private final CompositeDisposable compositeDisposable;
+    private final ContributionsRemoteDataSource contributionsRemoteDataSource;
 
     LiveData<PagedList<Contribution>> contributionList;
 
     @Inject
     ContributionsListPresenter(
         final ContributionBoundaryCallback contributionBoundaryCallback,
+        final ContributionsRemoteDataSource contributionsRemoteDataSource,
         final ContributionsRepository repository,
         @Named(CommonsApplicationModule.IO_THREAD) final Scheduler ioThreadScheduler) {
         this.contributionBoundaryCallback = contributionBoundaryCallback;
         this.repository = repository;
         this.ioThreadScheduler = ioThreadScheduler;
+        this.contributionsRemoteDataSource=contributionsRemoteDataSource;
         compositeDisposable = new CompositeDisposable();
     }
 
@@ -43,19 +49,44 @@ public class ContributionsListPresenter implements UserActionListener {
      * the live data object. This method can be tweaked to update the lazy loading behavior of the
      * contributions list
      */
-    void setup() {
+    void setup(String userName, boolean isSelf) {
         final PagedList.Config pagedListConfig =
             (new PagedList.Config.Builder())
                 .setPrefetchDistance(50)
                 .setPageSize(10).build();
-        contributionList = (new LivePagedListBuilder(repository.fetchContributions(),
-            pagedListConfig)
-            .setBoundaryCallback(contributionBoundaryCallback)).build();
+        Factory<Integer, Contribution> factory;
+        boolean shouldSetBoundaryCallback;
+        if (!isSelf) {
+            //We don't want to persist contributions for other user's, therefore
+            // creating a new DataSource for them
+            contributionsRemoteDataSource.setUserName(userName);
+            factory = new Factory<Integer, Contribution>() {
+                @NonNull
+                @Override
+                public DataSource<Integer, Contribution> create() {
+                    return contributionsRemoteDataSource;
+                }
+            };
+            shouldSetBoundaryCallback = false;
+        } else {
+            contributionBoundaryCallback.setUserName(userName);
+            shouldSetBoundaryCallback = true;
+            factory = repository.fetchContributions();
+        }
+
+        LivePagedListBuilder livePagedListBuilder = new LivePagedListBuilder(factory, pagedListConfig);
+        if (shouldSetBoundaryCallback) {
+            livePagedListBuilder.setBoundaryCallback(contributionBoundaryCallback);
+        }
+
+        contributionList = livePagedListBuilder.build();
     }
 
     @Override
     public void onDetachView() {
         compositeDisposable.clear();
+        contributionsRemoteDataSource.dispose();
+        contributionBoundaryCallback.dispose();
     }
 
     /**

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsRemoteDataSource.kt

@@ -0,0 +1,73 @@
+package fr.free.nrw.commons.contributions
+
+import androidx.paging.ItemKeyedDataSource
+import fr.free.nrw.commons.di.CommonsApplicationModule
+import fr.free.nrw.commons.media.MediaClient
+import io.reactivex.Scheduler
+import io.reactivex.disposables.CompositeDisposable
+import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Named
+
+/**
+ * Data-Source which acts as mediator for contributions-data from the API
+ */
+class ContributionsRemoteDataSource @Inject constructor(
+    private val mediaClient: MediaClient,
+    @param:Named(CommonsApplicationModule.IO_THREAD) private val ioThreadScheduler: Scheduler
+) : ItemKeyedDataSource<Int, Contribution>() {
+    private val compositeDisposable: CompositeDisposable = CompositeDisposable()
+    var userName: String? = null
+
+    override fun loadInitial(
+        params: LoadInitialParams<Int>,
+        callback: LoadInitialCallback<Contribution>
+    ) {
+        fetchContributions(callback)
+    }
+
+    override fun loadAfter(
+        params: LoadParams<Int>,
+        callback: LoadCallback<Contribution>
+    ) {
+        fetchContributions(callback)
+    }
+
+    override fun loadBefore(
+        params: LoadParams<Int>,
+        callback: LoadCallback<Contribution>
+    ) {
+    }
+
+    override fun getKey(item: Contribution): Int {
+        return item.pageId.hashCode()
+    }
+
+
+    /**
+     * Fetches contributions using the MediaWiki API
+     */
+    private fun fetchContributions(callback: LoadCallback<Contribution>) {
+        compositeDisposable.add(
+            mediaClient.getMediaListForUser(userName!!)
+                .map { mediaList ->
+                    mediaList.map {
+                        Contribution(media = it, state = Contribution.STATE_COMPLETED)
+                    }
+                }
+                .subscribeOn(ioThreadScheduler)
+                .subscribe({
+                    callback.onResult(it)
+                }) { error: Throwable ->
+                    Timber.e(
+                        "Failed to fetch contributions: %s",
+                        error.message
+                    )
+                }
+        )
+    }
+
+    fun dispose() {
+        compositeDisposable.dispose()
+    }
+}