feat: sort attendee list on the basis of ticket type (#781)

fossasia · Mar 28, 2018 · e42db36 · e42db36
1 parent 3d1321b
commit e42db36
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Showing 4 changed files with 68 additions and 6 deletions.
diff --git a/app/src/main/java/org/fossasia/openevent/app/module/attendee/list/AttendeesFragment.java b/app/src/main/java/org/fossasia/openevent/app/module/attendee/list/AttendeesFragment.java
@@ -51,6 +51,7 @@
  * Use the {@link AttendeesFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
+@SuppressWarnings("PMD.TooManyMethods")
 public class AttendeesFragment extends BaseFragment<IAttendeesPresenter> implements IAttendeesView {
 
     private Context context;
@@ -63,6 +64,12 @@ public class AttendeesFragment extends BaseFragment<IAttendeesPresenter> impleme
     @Inject
     Lazy<IAttendeesPresenter> presenterProvider;
 
+    private static final int SORTBYTICKET = 1;
+    private static final int SORTBYNAME = 0;
+
+    FastAdapter<Attendee> fastAdapter;
+    StickyHeaderAdapter<Attendee> stickyHeaderAdapter;
+
     private ItemAdapter<Attendee> fastItemAdapter;
     private FragmentAttendeesBinding binding;
     private SwipeRefreshLayout refreshLayout;
@@ -123,11 +130,29 @@ public boolean onOptionsItemSelected(MenuItem item) {
             case R.id.filterBySync:
                 fastItemAdapter.filter(FILTER_SYNC);
                 return true;
+            case R.id.sortByTicket:
+                sortAttendees(SORTBYTICKET);
+                return true;
+            case R.id.sortByName:
+                sortAttendees(SORTBYNAME);
+                return true;
             default:
                 return super.onOptionsItemSelected(item);
         }
     }
 
+    void sortAttendees(int sortBy) {
+        if (sortBy == SORTBYTICKET) {
+            fastItemAdapter.withComparator((Attendee a1, Attendee a2) -> a1.getTicket().getType().compareTo(a2.getTicket().getType()));
+        } else {
+            fastItemAdapter.withComparator((Attendee a1, Attendee a2) -> a1.getFirstname().compareTo(a2.getFirstname()), true);
+        }
+        fastItemAdapter.setNewList(getPresenter().getAttendees());
+        stickyHeaderAdapter.setSortByName(sortBy == SORTBYTICKET);
+        binding.setVariable(BR.attendees, getPresenter().getAttendees());
+        binding.executePendingBindings();
+    }
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -216,9 +241,9 @@ private void setupRecyclerView() {
                 }
             );
 
-            StickyHeaderAdapter<Attendee> stickyHeaderAdapter = new StickyHeaderAdapter<>();
-
-            FastAdapter<Attendee> fastAdapter = FastAdapter.with(Arrays.asList(fastItemAdapter, stickyHeaderAdapter));
+            stickyHeaderAdapter = new StickyHeaderAdapter<>();
+            stickyHeaderAdapter.setSortByName(false);
+            fastAdapter = FastAdapter.with(Arrays.asList(fastItemAdapter, stickyHeaderAdapter));
             fastAdapter.setHasStableIds(true);
             fastAdapter.withEventHook(new AttendeeItemCheckInEvent(this));
 
@@ -230,7 +255,12 @@ private void setupRecyclerView() {
 
             final StickyRecyclerHeadersDecoration decoration = new StickyRecyclerHeadersDecoration(stickyHeaderAdapter);
             recyclerView.addItemDecoration(decoration);
-
+            fastAdapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
+                @Override
+                public void onChanged() {
+                    decoration.invalidateHeaders();
+                }
+            });
             ViewUtils.setRecyclerViewScrollAwareFabBehaviour(recyclerView, binding.fabScanQr);
         }
     }

diff --git a/app/src/main/java/org/fossasia/openevent/app/module/attendee/list/StickyHeaderAdapter.java b/app/src/main/java/org/fossasia/openevent/app/module/attendee/list/StickyHeaderAdapter.java
@@ -8,16 +8,25 @@
 import com.timehop.stickyheadersrecyclerview.StickyRecyclerHeadersAdapter;
 
 import org.fossasia.openevent.app.common.app.viewholder.HeaderViewHolder;
+import org.fossasia.openevent.app.common.data.models.Attendee;
 import org.fossasia.openevent.app.common.data.models.contract.IHeaderProvider;
 import org.fossasia.openevent.app.databinding.HeaderLayoutBinding;
 
 import java.util.List;
 
 class StickyHeaderAdapter<T extends IItem & IHeaderProvider> extends AbstractAdapter<T>
     implements StickyRecyclerHeadersAdapter<HeaderViewHolder> {
+
+    private boolean sortByName;
+
     @Override
     public long getHeaderId(int position) {
-        return getFastAdapter().getItem(position).getHeaderId();
+        if (sortByName) {
+            Attendee attendee = (Attendee) getFastAdapter().getItem(position);
+            return attendee.getTicket().getType().hashCode();
+        } else {
+            return getFastAdapter().getItem(position).getHeaderId();
+        }
     }
 
     @Override
@@ -27,7 +36,11 @@ public HeaderViewHolder onCreateHeaderViewHolder(ViewGroup viewGroup) {
 
     @Override
     public void onBindHeaderViewHolder(HeaderViewHolder viewHolder, int position) {
-        viewHolder.bindHeader(getFastAdapter().getItem(position).getHeader());
+        if (sortByName) {
+            Attendee attendee = (Attendee) getFastAdapter().getItem(position);
+            viewHolder.bindHeader(attendee.getTicket().getType());
+        } else
+            viewHolder.bindHeader(getFastAdapter().getItem(position).getHeader());
     }
 
     @Override
@@ -69,4 +82,9 @@ public int getAdapterPosition(long l) {
     public int getGlobalPosition(int i) {
         return -1;
     }
+
+    public void setSortByName(boolean sortByName) {
+        this.sortByName = sortByName;
+    }
 }
+
diff --git a/app/src/main/res/menu/menu_attendees.xml b/app/src/main/res/menu/menu_attendees.xml
@@ -19,5 +19,16 @@
                 android:title="@string/filter_by_sync" />
         </menu>
     </item>
+    <item android:id="@+id/sortAttendee"
+        android:title="@string/sort_attendee"
+        app:showAsAction="ifRoom">
+        <menu>
+            <item android:id="@+id/sortByName"
+                android:title="@string/sort_by_name" />
+            <item android:id="@+id/sortByTicket"
+                android:title="@string/sort_by_ticket_type" />
+        </menu>
+    </item>
+
 
 </menu>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -90,6 +90,9 @@
     <string name="filter">filter</string>
     <string name="filter_by_sync">Pending Sync</string>
     <string name="filter_by_none">None</string>
+    <string name="sort_attendee">Sort By</string>
+    <string name="sort_by_name">Name</string>
+    <string name="sort_by_ticket_type">Ticket</string>
     <string name="publish_success">Your Event is published successfully.</string>
     <string name="draft_success">Your Event is unpublished successfully.</string>
     <string name="request_token">Request Token</string>