Prevent showing stale news/blogs

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

@@ -37,6 +37,7 @@ public class NewsFragment extends BaseFragment {
     private RecyclerView newsRecyclerView;
     private SwipeRefreshLayout newsSwipeRefreshLayout;
     private AppDatabase appDatabase;
+    private boolean freshNewsDisplayed = false;
 
     public NewsFragment() {
         // Required empty public constructor
@@ -75,6 +76,7 @@ public class NewsFragment extends BaseFragment {
             public void onResponse(Call<List<NewsArticle>> call, Response<List<NewsArticle>> response) {
                 if (response.isSuccessful()) {
                     List<NewsArticle> articles = response.body();
+                    freshNewsDisplayed = true;
                     displayNews(articles);
 
                     new updateDatabase().execute(articles);
@@ -134,7 +136,9 @@ public class NewsFragment extends BaseFragment {
         }
 
         protected void onPostExecute(List<NewsArticle> result) {
+            if (!freshNewsDisplayed) {
                 displayNews(result);
             }
         }
+    }
 }

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

@@ -37,6 +37,7 @@ public class PlacementBlogFragment extends BaseFragment {
     private RecyclerView placementFeedRecyclerView;
     private SwipeRefreshLayout feedSwipeRefreshLayout;
     private AppDatabase appDatabase;
+    private boolean freshBlogDisplayed = false;
 
 
     public PlacementBlogFragment() {
@@ -76,6 +77,7 @@ public class PlacementBlogFragment extends BaseFragment {
             public void onResponse(Call<List<PlacementBlogPost>> call, Response<List<PlacementBlogPost>> response) {
                 if (response.isSuccessful()) {
                     List<PlacementBlogPost> posts = response.body();
+                    freshBlogDisplayed = true;
                     displayPlacementFeed(posts);
 
                     new updateDatabase().execute(posts);
@@ -135,7 +137,9 @@ public class PlacementBlogFragment extends BaseFragment {
         }
 
         protected void onPostExecute(List<PlacementBlogPost> result) {
+            if (!freshBlogDisplayed) {
                 displayPlacementFeed(result);
             }
         }
+    }
 }

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

@@ -37,6 +37,7 @@ public class TrainingBlogFragment extends BaseFragment {
     private RecyclerView trainingFeedRecyclerView;
     private SwipeRefreshLayout feedSwipeRefreshLayout;
     private AppDatabase appDatabase;
+    private boolean freshBlogDisplayed = false;
 
 
     public TrainingBlogFragment() {
@@ -76,6 +77,7 @@ public class TrainingBlogFragment extends BaseFragment {
             public void onResponse(Call<List<TrainingBlogPost>> call, Response<List<TrainingBlogPost>> response) {
                 if (response.isSuccessful()) {
                     List<TrainingBlogPost> posts = response.body();
+                    freshBlogDisplayed = true;
                     displayTrainingFeed(posts);
 
                     new updateDatabase().execute(posts);
@@ -135,7 +137,9 @@ public class TrainingBlogFragment extends BaseFragment {
         }
 
         protected void onPostExecute(List<TrainingBlogPost> result) {
+            if (!freshBlogDisplayed) {
                 displayTrainingFeed(result);
             }
         }
+    }
 }