Get calendar working

app/src/main/java/in/ac/iitb/gymkhana/iitbapp/fragment/CalendarFragment.java

@@ -5,14 +5,35 @@ import android.os.Bundle;
 import android.support.design.widget.FloatingActionButton;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentTransaction;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CalendarView;
 import android.widget.Toast;
 
+import com.google.gson.Gson;
+
+import java.sql.Timestamp;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import in.ac.iitb.gymkhana.iitbapp.Constants;
+import in.ac.iitb.gymkhana.iitbapp.ItemClickListener;
 import in.ac.iitb.gymkhana.iitbapp.MainActivity;
 import in.ac.iitb.gymkhana.iitbapp.R;
+import in.ac.iitb.gymkhana.iitbapp.adapter.EventAdapter;
+import in.ac.iitb.gymkhana.iitbapp.api.RetrofitInterface;
+import in.ac.iitb.gymkhana.iitbapp.api.ServiceGenerator;
+import in.ac.iitb.gymkhana.iitbapp.api.model.NewsFeedResponse;
+import in.ac.iitb.gymkhana.iitbapp.data.Event;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -22,6 +43,7 @@ public class CalendarFragment extends BaseFragment {
     FloatingActionButton fab;
     private View view;
     private Toast toast;
+    private List<Event> events;
 
     public CalendarFragment() {
         // Required empty public constructor
@@ -39,6 +61,7 @@ public class CalendarFragment extends BaseFragment {
         simpleCalendarView.setFirstDayOfWeek(1); // set Sunday as the first day of the week
 
         simpleCalendarView.setWeekNumberColor(getResources().getColor(R.color.colorCalendarWeek));//setWeekNumberColor
+
         simpleCalendarView.setOnDateChangeListener(new CalendarView.OnDateChangeListener() {
             @Override
             public void onSelectedDayChange(CalendarView view, int year, int month, int dayOfMonth) {
@@ -47,10 +70,15 @@ public class CalendarFragment extends BaseFragment {
                 if (toast != null) {
                     toast.cancel();
                 }
-                toast = Toast.makeText(getContext(), "Date: (" + dayOfMonth + "/" + (month + 1) + "/" + year + ")", Toast.LENGTH_LONG);
+                String sdate = dayOfMonth + "/" + (month + 1) + "/" + year;
+                toast = Toast.makeText(getContext(), "Date: (" + sdate + ")", Toast.LENGTH_LONG);
                 toast.show();
-
-
+                try {
+                    Date showDate = new SimpleDateFormat("dd/M/yyyy").parse(sdate);
+                    showEventsForDate(showDate);
+                } catch (ParseException e) {
+                    e.printStackTrace();
+                }
             }
         });
         fab.setOnClickListener(new View.OnClickListener() {
@@ -62,8 +90,58 @@ public class CalendarFragment extends BaseFragment {
                 ((MainActivity) getActivity()).updateFragment(addEventFragment);
             }
         });
+
+        updateEvents();
         return view;
 
     }
 
+    private void updateEvents() {
+        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        retrofitInterface.getNewsFeed(((MainActivity)getActivity()).getSessionIDHeader()).enqueue(new Callback<NewsFeedResponse>() {
+            @Override
+            public void onResponse(Call<NewsFeedResponse> call, Response<NewsFeedResponse> response) {
+                if (response.isSuccessful()) {
+                    NewsFeedResponse newsFeedResponse = response.body();
+                    events = newsFeedResponse.getEvents();
+                }
+            }
+
+            @Override
+            public void onFailure(Call<NewsFeedResponse> call, Throwable t) {
+                //Network Error
+            }
+        });
+    }
+
+    private void showEventsForDate(Date date) {
+
+        final List<Event> filteredEvents = new ArrayList<Event>();
+        for( Event event : events) {
+            Date nextDay = new Date(date.getTime() + (1000 * 60 * 60 * 24));
+            Timestamp start = event.getEventStartTime();
+            if (start.after(date) && start.before(nextDay)) {
+                filteredEvents.add(event);
+            }
+        }
+
+        RecyclerView eventRecyclerView = (RecyclerView) getActivity().findViewById(R.id.calendar_event_card_recycler_view);
+        EventAdapter eventAdapter = new EventAdapter(filteredEvents, new ItemClickListener() {
+            @Override
+            public void onItemClick(View v, int position) {
+                Event event = filteredEvents.get(position);
+                Bundle bundle = new Bundle();
+                bundle.putString(Constants.EVENT_JSON, new Gson().toJson(event));
+                EventFragment eventFragment = new EventFragment();
+                eventFragment.setArguments(bundle);
+                FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
+                ft.replace(R.id.framelayout_for_fragment, eventFragment, eventFragment.getTag());
+                ft.addToBackStack(eventFragment.getTag());
+                ft.commit();
+            }
+        });
+        eventRecyclerView.setAdapter(eventAdapter);
+        eventRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+    }
+
 }

app/src/main/res/layout/fragment_calendar.xml

-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <android.support.v4.widget.NestedScrollView android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:id="@+id/calendar_layout"
             android:layout_width="match_parent"
-    android:layout_height="match_parent"
+            android:layout_height="wrap_content"
             android:background="#E0E0E0"
-    android:theme="@style/CalendarTheme">
+            android:theme="@style/CalendarTheme"
+            android:orientation="vertical">
 
+            <RelativeLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content">
 
                 <!-- TODO: Update blank fragment layout -->
                 <View
@@ -36,6 +47,20 @@
                     android:background="@drawable/round_text_box"
                     android:gravity="center"
                     android:text="# Events Today" />
+            </RelativeLayout>
+
+            <android.support.v7.widget.RecyclerView
+                android:id="@+id/calendar_event_card_recycler_view"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="10dp"
+                android:nestedScrollingEnabled="false" />
+
+
+        </LinearLayout>
+
+
+    </android.support.v4.widget.NestedScrollView>
 
     <android.support.design.widget.FloatingActionButton
         android:id="@+id/fab"
@@ -46,5 +71,4 @@
         android:layout_margin="16dp"
         android:src="@android:drawable/ic_input_add" />
 
-
 </RelativeLayout>
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