Refactor feed adapter click code into FeedAdapter.java

app/src/main/java/app/insti/adapter/FeedAdapter.java

 package app.insti.adapter;
 
+import android.app.Activity;
 import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -8,6 +13,7 @@ import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.google.gson.Gson;
 import com.squareup.picasso.Picasso;
 
 import java.sql.Timestamp;
@@ -18,6 +24,8 @@ import java.util.Calendar;
 
 
 import app.insti.Constants;
+import app.insti.activity.MainActivity;
+import app.insti.fragment.EventFragment;
 import app.insti.interfaces.ItemClickListener;
 import app.insti.R;
 import app.insti.api.model.Event;
@@ -27,11 +35,11 @@ public class FeedAdapter extends RecyclerView.Adapter<FeedAdapter.ViewHolder> {
 
     private List<Event> events;
     private Context context;
-    private ItemClickListener itemClickListener;
+    private Fragment mFragment;
 
-    public FeedAdapter(List<Event> events, ItemClickListener itemClickListener) {
+    public FeedAdapter(List<Event> events, Fragment fragment) {
         this.events = events;
-        this.itemClickListener = itemClickListener;
+        mFragment = fragment;
     }
 
     public void getSubtitle(ViewHolder viewHolder, Event currentEvent)
@@ -90,7 +98,7 @@ public class FeedAdapter extends RecyclerView.Adapter<FeedAdapter.ViewHolder> {
     }
 
     @Override
-    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
+    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, final int i) {
         context = viewGroup.getContext();
         LayoutInflater inflater = LayoutInflater.from(context);
         View postView = inflater.inflate(R.layout.feed_card, viewGroup, false);
@@ -98,8 +106,17 @@ public class FeedAdapter extends RecyclerView.Adapter<FeedAdapter.ViewHolder> {
         final ViewHolder postViewHolder = new ViewHolder(postView);
         postView.setOnClickListener(new View.OnClickListener() {
             @Override
-            public void onClick(View v) {
-                itemClickListener.onItemClick(v, postViewHolder.getAdapterPosition());
+            public void onClick(View view) {
+                String eventJson = new Gson().toJson(events.get(postViewHolder.getAdapterPosition()));
+                Bundle bundle = new Bundle();
+                bundle.putString(Constants.EVENT_JSON, eventJson);
+                EventFragment eventFragment = new EventFragment();
+                eventFragment.setArguments(bundle);
+                FragmentManager manager = mFragment.getActivity().getSupportFragmentManager();
+                FragmentTransaction transaction = manager.beginTransaction();
+                transaction.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_left, R.anim.slide_in_right, R.anim.slide_out_right);
+                transaction.replace(R.id.framelayout_for_fragment, eventFragment, eventFragment.getTag());
+                transaction.addToBackStack(eventFragment.getTag()).commit();
             }
         });
 

app/src/main/java/app/insti/fragment/BodyFragment.java

@@ -276,21 +276,7 @@ public class BodyFragment extends BackHandledFragment {
         /* Initialize events */
         final List<Event> eventList = body.getBodyEvents();
         RecyclerView eventRecyclerView = (RecyclerView) getActivity().findViewById(R.id.event_card_recycler_view);
-        FeedAdapter eventAdapter = new FeedAdapter(eventList, new ItemClickListener() {
-            @Override
-            public void onItemClick(View v, int position) {
-                Event event = eventList.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.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_left, R.anim.slide_in_right, R.anim.slide_out_right);
-                ft.replace(R.id.framelayout_for_fragment, eventFragment, eventFragment.getTag());
-                ft.addToBackStack(eventFragment.getTag());
-                ft.commit();
-            }
-        });
+        FeedAdapter eventAdapter =  new FeedAdapter(eventList, this);
         eventRecyclerView.setAdapter(eventAdapter);
         eventRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
 
@@ -353,7 +339,7 @@ public class BodyFragment extends BackHandledFragment {
         /* Show update button if role */
         if (((MainActivity) getActivity()).editBodyAccess(body)) {
             final FloatingActionButton fab = (FloatingActionButton) getView().findViewById(R.id.edit_fab);
-            fab.setVisibility(View.VISIBLE);
+            fab.show();
             NestedScrollView nsv = (NestedScrollView) getView().findViewById(R.id.body_scrollview);
             nsv.setOnScrollChangeListener(new NestedScrollView.OnScrollChangeListener() {
                 @Override

app/src/main/java/app/insti/fragment/CalendarFragment.java

@@ -92,7 +92,7 @@ public class CalendarFragment extends BaseFragment {
             }
         });
         if (((MainActivity) getActivity()).createEventAccess()) {
-            fab.setVisibility(View.VISIBLE);
+            fab.show();
         }
 
         updateEvents();
@@ -165,21 +165,7 @@ public class CalendarFragment extends BaseFragment {
         }
 
         RecyclerView eventRecyclerView = (RecyclerView) getActivity().findViewById(R.id.calendar_event_card_recycler_view);
-        FeedAdapter eventAdapter = new FeedAdapter(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.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_left, R.anim.slide_in_right, R.anim.slide_out_right);
-                ft.replace(R.id.framelayout_for_fragment, eventFragment, eventFragment.getTag());
-                ft.addToBackStack(eventFragment.getTag());
-                ft.commit();
-            }
-        });
+        FeedAdapter eventAdapter = new FeedAdapter(filteredEvents, this);
         eventRecyclerView.setAdapter(eventAdapter);
         eventRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
 

app/src/main/java/app/insti/fragment/EventRecyclerViewFragment.java

@@ -63,21 +63,7 @@ public class EventRecyclerViewFragment extends Fragment {
         super.onStart();
 
         recyclerView = (RecyclerView) getActivity().findViewById(R.id.event_recycler_view);
-        feedAdapter = new FeedAdapter(eventList, new ItemClickListener() {
-            @Override
-            public void onItemClick(View v, int position) {
-                Event event = eventList.get(position);
-                EventFragment eventFragment = new EventFragment();
-                Bundle arguments = getArguments();
-                arguments.putString(Constants.EVENT_JSON, new Gson().toJson(event));
-                eventFragment.setArguments(getArguments());
-                FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
-                ft.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_left, R.anim.slide_in_right, R.anim.slide_out_right);
-                ft.replace(R.id.framelayout_for_fragment, eventFragment, eventFragment.getTag());
-                ft.addToBackStack(eventFragment.getTag());
-                ft.commit();
-            }
-        });
+        feedAdapter = new FeedAdapter(eventList, this);
         recyclerView.setAdapter(feedAdapter);
         recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
 

app/src/main/java/app/insti/fragment/ExploreFragment.java

@@ -191,15 +191,7 @@ public class ExploreFragment extends Fragment {
 
         // Events
         RecyclerView eventsRecyclerView = getView().findViewById(R.id.explore_event_recycler_view);
-        eventsAdapter = new FeedAdapter(events, new ItemClickListener() {
-            @Override
-            public void onItemClick(View v, int position) {
-                Event event = events.get(position);
-                Bundle bundle = new Bundle();
-                bundle.putString(Constants.EVENT_JSON, new Gson().toJson(event));
-                updateFragment(new EventFragment(), bundle);
-            }
-        });
+        eventsAdapter = new FeedAdapter(events, this);
         eventsRecyclerView.setAdapter(eventsAdapter);
         eventsRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
 

app/src/main/java/app/insti/fragment/FeedFragment.java

@@ -43,6 +43,8 @@ public class FeedFragment extends BaseFragment {
     private boolean freshEventsDisplayed = false;
     LinearLayoutManager mLayoutManager;
     public static int index = -1, top = -1;
+    private FeedAdapter feedAdapter = null;
+
     public FeedFragment() {
         // Required empty public constructor
     }
@@ -101,7 +103,7 @@ public class FeedFragment extends BaseFragment {
     private void updateFeed() {
 
         RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
-        retrofitInterface.getNewsFeed("sessionid=" + getArguments().getString(Constants.SESSION_ID)).enqueue(new Callback<NewsFeedResponse>() {
+        retrofitInterface.getNewsFeed(((MainActivity)getActivity()).getSessionIDHeader()).enqueue(new Callback<NewsFeedResponse>() {
             @Override
             public void onResponse(Call<NewsFeedResponse> call, Response<NewsFeedResponse> response) {
                 if (response.isSuccessful()) {
@@ -122,12 +124,10 @@ public class FeedFragment extends BaseFragment {
         });
     }
 
-    private void displayEvents(final List<Event> events) {
-        /* Skip if we're already destroyed */
-        if (getActivity() == null || getView() == null) return;
-
+    /** Initialize the add event fab if the user has permission */
+    private void initFab() {
         if (((MainActivity) getActivity()).createEventAccess()) {
-            fab.setVisibility(View.VISIBLE);
+            fab.show();
             fab.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
@@ -145,29 +145,22 @@ public class FeedFragment extends BaseFragment {
                 }
             });
         }
+    }
+
+    private void displayEvents(final List<Event> events) {
+        /* Skip if we're already destroyed */
+        if (getActivity() == null || getView() == null) return;
+
+        /* Initialize */
+        initFab();
 
         /* Make first event image big */
         if (events.size() > 1) {
             events.get(0).setEventBigImage(true);
         }
 
-        final FeedAdapter feedAdapter = new FeedAdapter(events, new ItemClickListener() {
-            @Override
-            public void onItemClick(View v, int position) {
-                String eventJson = new Gson().toJson(events.get(position));
-                Bundle bundle = getArguments();
-                if (bundle == null)
-                    bundle = new Bundle();
-                bundle.putString(Constants.EVENT_JSON, eventJson);
-                EventFragment eventFragment = new EventFragment();
-                eventFragment.setArguments(bundle);
-                FragmentManager manager = getActivity().getSupportFragmentManager();
-                FragmentTransaction transaction = manager.beginTransaction();
-                transaction.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_left, R.anim.slide_in_right, R.anim.slide_out_right);
-                transaction.replace(R.id.framelayout_for_fragment, eventFragment, eventFragment.getTag());
-                transaction.addToBackStack(eventFragment.getTag()).commit();
-            }
-        });
+        feedAdapter = new FeedAdapter(events, this);
+
         getActivityBuffer().safely(new ActivityBuffer.IRunnable() {
             @Override
             public void run(Activity pActivity) {