Use cache for all fragments

app/src/main/java/app/insti/activity/LoginActivity.java

@@ -40,6 +40,11 @@ public class LoginActivity extends AppCompatActivity {
     private boolean loggingIn = false;
     private ProgressDialog progressDialog;
 
+    private RetrofitInterface retrofitInterface;
+    public RetrofitInterface getRetrofitInterface() {
+        return retrofitInterface;
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -63,6 +68,9 @@ public class LoginActivity extends AppCompatActivity {
     protected void onStart() {
         super.onStart();
 
+        ServiceGenerator serviceGenerator = new ServiceGenerator(getApplicationContext());
+        this.retrofitInterface = serviceGenerator.getRetrofitInterface();
+
         WebView webview = (WebView) findViewById(R.id.login_webview);
         webview.getSettings().setJavaScriptEnabled(true);
         webview.getSettings().setDomStorageEnabled(true);
@@ -80,7 +88,7 @@ public class LoginActivity extends AppCompatActivity {
 
     private void login(final String authorizationCode, final String redirectURL) {
         /* This can be null if play services is hung */
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = getRetrofitInterface();
         Call<LoginResponse> call;
         if (fcmId == null) {
             call = retrofitInterface.login(authorizationCode, redirectURL);
@@ -118,7 +126,7 @@ public class LoginActivity extends AppCompatActivity {
             progressDialog.show();
         }
 
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = getRetrofitInterface();
         Call<LoginResponse> call;
 
         /* This can be null if play services is hung */

app/src/main/java/app/insti/activity/MainActivity.java

@@ -156,7 +156,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
     }
 
     private void fetchNotifications() {
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = getRetrofitInterface();
         retrofitInterface.getNotifications(getSessionIDHeader()).enqueue(new Callback<List<Notification>>() {
             @Override
             public void onResponse(Call<List<Notification>> call, Response<List<Notification>> response) {
@@ -180,7 +180,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         try {
             PackageInfo pInfo = this.getPackageManager().getPackageInfo(getPackageName(), 0);
             final int versionCode = pInfo.versionCode;
-            RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+            RetrofitInterface retrofitInterface = getRetrofitInterface();
             retrofitInterface.getLatestVersion().enqueue(new Callback<JsonObject>() {
                 @Override
                 public void onResponse(Call<JsonObject> call, Response<JsonObject> response) {
@@ -263,7 +263,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
                     updateFragment(userFragment);
                     break;
                 case "event":
-                    RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                    RetrofitInterface retrofitInterface = getRetrofitInterface();
                     retrofitInterface.getEvent(getSessionIDHeader(), getID(appLinkData)).enqueue(new Callback<Event>() {
                         @Override
                         public void onResponse(Call<Event> call, Response<Event> response) {
@@ -327,7 +327,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
             @Override
             public void onSuccess(InstanceIdResult instanceIdResult) {
                 String fcmId = instanceIdResult.getToken();
-                RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                RetrofitInterface retrofitInterface = getRetrofitInterface();
                 retrofitInterface.getUserMe(getSessionIDHeader(), fcmId).enqueue(new Callback<User>() {
                     @Override
                     public void onResponse(Call<User> call, Response<User> response) {

app/src/main/java/app/insti/api/ServiceGenerator.java

@@ -8,15 +8,12 @@ import java.io.File;
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
 
-import app.insti.Constants;
-import butterknife.internal.Utils;
 import okhttp3.Cache;
 import okhttp3.CacheControl;
 import okhttp3.Interceptor;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;
-import okhttp3.logging.HttpLoggingInterceptor;
 import retrofit2.Retrofit;
 import retrofit2.converter.gson.GsonConverterFactory;
 
@@ -36,7 +33,7 @@ public class ServiceGenerator {
 
             if (isConnected()) {
                 cacheControl = new CacheControl.Builder()
-                        .maxAge(80, TimeUnit.SECONDS)
+                        .maxAge(0, TimeUnit.SECONDS)
                         .build();
             } else {
                 cacheControl = new CacheControl.Builder()
@@ -106,13 +103,8 @@ public class ServiceGenerator {
     private static Retrofit.Builder retrofitBuilder = new Retrofit.Builder()
             .baseUrl(BASE_URL)
             .addConverterFactory(GsonConverterFactory.create());
-    private static Retrofit retrofit;
-
-    public static <S> S createService(Class<S> serviceClass) {
-        retrofit = retrofitBuilder.client(clientBuilder.build()).build();
-        return retrofit.create(serviceClass);
-    }
 
+    private Retrofit retrofit;
     public RetrofitInterface retrofitInterface;
     public ServiceGenerator(Context mContext) {
         context = mContext;

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

@@ -167,7 +167,7 @@ public class AddEventFragment extends BaseFragment {
             if (url.contains("/event/")) {
                 url = url.substring(url.lastIndexOf("/") + 1);
 
-                RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                 retrofitInterface.getEvent(((MainActivity) getActivity()).getSessionIDHeader(), url).enqueue(new Callback<Event>() {
                     @Override
                     public void onResponse(Call<Event> call, Response<Event> response) {
@@ -185,7 +185,7 @@ public class AddEventFragment extends BaseFragment {
             } else if (url.contains("/org/")) {
                 url = url.substring(url.lastIndexOf("/") + 1);
 
-                RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                 retrofitInterface.getBody(((MainActivity) getActivity()).getSessionIDHeader(), url).enqueue(new Callback<Body>() {
                     @Override
                     public void onResponse(Call<Body> call, Response<Body> response) {

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

@@ -157,7 +157,7 @@ public class BodyFragment extends BackHandledFragment {
     }
 
     private void updateBody() {
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getBody(((MainActivity) getActivity()).getSessionIDHeader(), min_body.getBodyID()).enqueue(new Callback<Body>() {
             @Override
             public void onResponse(Call<Body> call, Response<Body> response) {
@@ -236,7 +236,7 @@ public class BodyFragment extends BackHandledFragment {
         followButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                 retrofitInterface.updateBodyFollowing(((MainActivity) getActivity()).getSessionIDHeader(), body.getBodyID(), body.getBodyUserFollows() ? 0 : 1).enqueue(new Callback<Void>() {
                     @Override
                     public void onResponse(Call<Void> call, Response<Void> response) {

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

@@ -117,7 +117,7 @@ public class CalendarFragment extends BaseFragment {
         final String oneMonthBack = isoFormatter.format(oneMonthBackDate).toString();
         final String oneMonthOn = isoFormatter.format(oneMonthOnDate).toString();
 
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getEventsBetweenDates(((MainActivity) getActivity()).getSessionIDHeader(), oneMonthBack, oneMonthOn).enqueue(new Callback<NewsFeedResponse>() {
             @Override
             public void onResponse(Call<NewsFeedResponse> call, Response<NewsFeedResponse> response) {

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

@@ -299,7 +299,7 @@ public class EventFragment extends BackHandledFragment {
             @Override
             public void onClick(View view) {
                 final int endStatus = event.getEventUserUes() == status ? 0 : status;
-                RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                 retrofitInterface.updateUserEventStatus(((MainActivity) getActivity()).getSessionIDHeader(), event.getEventID(), endStatus).enqueue(new Callback<Void>() {
                     @Override
                     public void onResponse(Call<Void> call, Response<Void> response) {

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

@@ -87,7 +87,7 @@ public class ExploreFragment extends Fragment {
 
         // Get all bodies
         if (allBodies.size() == 0) {
-            RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+            RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
             retrofitInterface.getAllBodies(sessionId).enqueue(new Callback<List<Body>>() {
                 @Override
                 public void onResponse(Call<List<Body>> call, Response<List<Body>> response) {
@@ -141,7 +141,7 @@ public class ExploreFragment extends Fragment {
         getView().findViewById(R.id.loadingPanel).setVisibility(View.VISIBLE);
 
         // Make request
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.search(sessionId, query).enqueue(new Callback<ExploreResponse>() {
             @Override
             public void onResponse(Call<ExploreResponse> call, Response<ExploreResponse> response) {

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

@@ -118,8 +118,6 @@ public class FeedFragment extends BaseFragment {
                     List<Event> events = newsFeedResponse.getEvents();
                     freshEventsDisplayed = true;
                     displayEvents(events);
-
-                    new updateDatabase().execute(events);
                 }
                 //Server Error
                 feedSwipeRefreshLayout.setRefreshing(false);
@@ -195,26 +193,4 @@ public class FeedFragment extends BaseFragment {
         if (view != null)
             view.setVisibility(View.GONE);
     }
-
-    private class updateDatabase extends AsyncTask<List<Event>, Void, Integer> {
-        @Override
-        protected Integer doInBackground(List<Event>... events) {
-            appDatabase.dbDao().deleteEvents();
-            appDatabase.dbDao().insertEvents(events[0]);
-            return 1;
-        }
-    }
-
-    private class showEventsFromDB extends AsyncTask<String, Void, List<Event>> {
-        @Override
-        protected List<Event> doInBackground(String... events) {
-            return appDatabase.dbDao().getAllEvents();
-        }
-
-        protected void onPostExecute(List<Event> result) {
-            if (!freshEventsDisplayed) {
-                displayEvents(result);
-            }
-        }
-    }
 }

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

@@ -232,7 +232,7 @@ public class MapFragment extends Fragment implements TextWatcher,
     }
 
     private void getAPILocations() {
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getAllVenues().enqueue(new Callback<List<Venue>>() {
             @Override
             public void onResponse(Call<List<Venue>> call, Response<List<Venue>> response) {

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

@@ -24,6 +24,7 @@ import java.util.Locale;
 import app.insti.ActivityBuffer;
 import app.insti.Constants;
 import app.insti.R;
+import app.insti.activity.MainActivity;
 import app.insti.adapter.MessMenuAdapter;
 import app.insti.api.RetrofitInterface;
 import app.insti.api.ServiceGenerator;
@@ -113,7 +114,7 @@ public class MessMenuFragment extends BaseFragment {
     }
 
     private void updateMessMenu(final String hostel) {
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getInstituteMessMenu("sessionid=" + getArguments().getString(Constants.SESSION_ID)).enqueue(new Callback<List<HostelMessMenu>>() {
             @Override
             public void onResponse(Call<List<HostelMessMenu>> call, Response<List<HostelMessMenu>> response) {

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

@@ -85,7 +85,7 @@ public class NewsFragment extends BaseFragment {
     }
 
     private void updateNews() {
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getNews("sessionid=" + getArguments().getString(Constants.SESSION_ID), 0, 20, searchQuery).enqueue(new Callback<List<NewsArticle>>() {
             @Override
             public void onResponse(Call<List<NewsArticle>> call, Response<List<NewsArticle>> response) {
@@ -138,7 +138,7 @@ public class NewsFragment extends BaseFragment {
                                 if (((layoutManager.getChildCount() + layoutManager.findFirstVisibleItemPosition()) > (layoutManager.getItemCount() - 5)) && (!loading)) {
                                     loading = true;
                                     View v = getActivity().findViewById(R.id.training_feed_swipe_refresh_layout);
-                                    RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                                    RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                                     retrofitInterface.getNews("sessionid=" + getArguments().getString(Constants.SESSION_ID), layoutManager.getItemCount(), 10, searchQuery).enqueue(new Callback<List<NewsArticle>>() {
                                         @Override
                                         public void onResponse(Call<List<NewsArticle>> call, Response<List<NewsArticle>> response) {

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

@@ -57,7 +57,7 @@ public class NotificationsFragment extends BaseFragment {
         Toolbar toolbar = getActivity().findViewById(R.id.toolbar);
         toolbar.setTitle("Notifications");
 
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getNotifications(((MainActivity) getActivity()).getSessionIDHeader()).enqueue(new Callback<List<Notification>>() {
             @Override
             public void onResponse(Call<List<Notification>> call, Response<List<Notification>> response) {
@@ -87,7 +87,7 @@ public class NotificationsFragment extends BaseFragment {
                 Notification notification = notifications.get(position);
 
                 /* Mark notification read */
-                RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                 String sessId = ((MainActivity) getActivity()).getSessionIDHeader();
                 retrofitInterface.markNotificationRead(sessId, notification.getNotificationId()).enqueue(new Callback<Void>() {
                     @Override

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

@@ -87,7 +87,7 @@ public class PlacementBlogFragment extends BaseFragment {
     }
 
     private void updatePlacementFeed() {
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getPlacementBlogFeed("sessionid=" + getArguments().getString(Constants.SESSION_ID), 0, 20, searchQuery).enqueue(new Callback<List<PlacementBlogPost>>() {
             @Override
             public void onResponse(Call<List<PlacementBlogPost>> call, Response<List<PlacementBlogPost>> response) {
@@ -138,7 +138,7 @@ public class PlacementBlogFragment extends BaseFragment {
                                 if (((layoutManager.getChildCount() + layoutManager.findFirstVisibleItemPosition()) > (layoutManager.getItemCount() - 5)) && (!loading)) {
                                     loading = true;
                                     View v = getActivity().findViewById(R.id.placement_feed_swipe_refresh_layout);
-                                    RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                                    RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                                     retrofitInterface.getPlacementBlogFeed("sessionid=" + getArguments().getString(Constants.SESSION_ID), layoutManager.getItemCount(), 10, searchQuery).enqueue(new Callback<List<PlacementBlogPost>>() {
                                         @Override
                                         public void onResponse(Call<List<PlacementBlogPost>> call, Response<List<PlacementBlogPost>> response) {

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

@@ -58,7 +58,7 @@ public class SettingsFragment extends Fragment {
 
         populateViews();
 
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getUser("sessionid=" + getArguments().getString(Constants.SESSION_ID), userID).enqueue(new Callback<User>() {
             @Override
             public void onResponse(Call<User> call, Response<User> response) {
@@ -139,7 +139,7 @@ public class SettingsFragment extends Fragment {
             logoutButton.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
-                    RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                    RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                     retrofitInterface.logout("sessionid=" + getArguments().getString(Constants.SESSION_ID)).enqueue(new Callback<Void>() {
                         @Override
                         public void onResponse(Call<Void> call, Response<Void> response) {

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

@@ -86,7 +86,7 @@ public class TrainingBlogFragment extends BaseFragment {
     }
 
     private void updateTrainingFeed() {
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getTrainingBlogFeed("sessionid=" + getArguments().getString(Constants.SESSION_ID), 0, 20, searchQuery).enqueue(new Callback<List<TrainingBlogPost>>() {
             @Override
             public void onResponse(Call<List<TrainingBlogPost>> call, Response<List<TrainingBlogPost>> response) {
@@ -137,7 +137,7 @@ public class TrainingBlogFragment extends BaseFragment {
                                 if (((layoutManager.getChildCount() + layoutManager.findFirstVisibleItemPosition()) > (layoutManager.getItemCount() - 5)) && (!loading)) {
                                     loading = true;
                                     View v = getActivity().findViewById(R.id.training_feed_swipe_refresh_layout);
-                                    RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                                    RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
                                     retrofitInterface.getTrainingBlogFeed("sessionid=" + getArguments().getString(Constants.SESSION_ID), layoutManager.getItemCount(), 10, searchQuery).enqueue(new Callback<List<TrainingBlogPost>>() {
                                         @Override
                                         public void onResponse(Call<List<TrainingBlogPost>> call, Response<List<TrainingBlogPost>> response) {

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

@@ -34,6 +34,7 @@ import app.insti.Constants;
 import app.insti.ItemClickListener;
 import app.insti.R;
 import app.insti.ShareURLMaker;
+import app.insti.activity.MainActivity;
 import app.insti.adapter.RoleAdapter;
 import app.insti.adapter.TabAdapter;
 import app.insti.api.RetrofitInterface;
@@ -107,7 +108,7 @@ public class UserFragment extends BackHandledFragment {
         Bundle bundle = getArguments();
         String userID = bundle.getString(Constants.USER_ID);
 
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        RetrofitInterface retrofitInterface = ((MainActivity) getActivity()).getRetrofitInterface();
         retrofitInterface.getUser("sessionid=" + getArguments().getString(Constants.SESSION_ID), userID).enqueue(new Callback<User>() {
             @Override
             public void onResponse(Call<User> call, Response<User> response) {

app/src/main/java/app/insti/notifications/NotificationIntentService.java

@@ -112,7 +112,8 @@ public class NotificationIntentService extends JobIntentService {
                 String eventID = intent.getStringExtra(Constants.EVENT_ID);
                 String sessionID = intent.getStringExtra(Constants.SESSION_ID);
 
-                RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+                ServiceGenerator serviceGenerator = new ServiceGenerator(getApplicationContext());
+                RetrofitInterface retrofitInterface = serviceGenerator.getRetrofitInterface();
                 retrofitInterface.updateUserEventStatus("sessionid=" + sessionID, eventID, Constants.STATUS_NOT_GOING).enqueue(new Callback<Void>() {
                     @Override
                     public void onResponse(Call<Void> call, Response<Void> response) {
@@ -149,7 +150,8 @@ public class NotificationIntentService extends JobIntentService {
         String userID = sessionManager.getUserID();
         final String sessionID = sessionManager.getSessionID();
 
-        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        ServiceGenerator serviceGenerator = new ServiceGenerator(getApplicationContext());
+        RetrofitInterface retrofitInterface = serviceGenerator.getRetrofitInterface();
         retrofitInterface.getUser("sessionid=" + sessionID, userID).enqueue(new Callback<User>() {
             @Override
             public void onResponse(Call<User> call, Response<User> response) {