remove unnecessary canReply variable in topicAdapter

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicActivity.java

@@ -169,7 +169,6 @@ public class TopicActivity extends BaseActivity implements TopicTask.TopicTaskOb
         recyclerView.setAdapter(topicAdapter);
 
         replyFAB = findViewById(R.id.topic_fab);
-        replyFAB.hide();
         bottomNavBar = findViewById(R.id.bottom_navigation_bar);
         if (!sessionManager.isLoggedIn()) replyFAB.hide();
         else {
@@ -203,12 +202,6 @@ public class TopicActivity extends BaseActivity implements TopicTask.TopicTaskOb
                             toolbarTitle.setText(topicTaskResult.getTopicTitle());
                         }
 
-                        if (topicTaskResult.getReplyPageUrl() == null) {
-                            replyFAB.hide();
-                            topicAdapter.resetTopic(false);
-                        } else
-                            topicAdapter.resetTopic(true);
-
                         if (!postsList.isEmpty()) {
                             recyclerView.getRecycledViewPool().clear(); //Avoid inconsistency detected bug
                             postsList.clear();
@@ -229,6 +222,9 @@ public class TopicActivity extends BaseActivity implements TopicTask.TopicTaskOb
                         }
 
                         progressBar.setVisibility(ProgressBar.GONE);
+                        if (topicTaskResult.getReplyPageUrl() == null)
+                            replyFAB.hide();
+                        topicAdapter.resetTopic();
                         break;
                     case NETWORK_ERROR:
                         Toast.makeText(getBaseContext(), "Network Error", Toast.LENGTH_SHORT).show();

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicAdapter.java

@@ -88,8 +88,6 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
     private static final int isQuoteButtonChecked = 1;
     private TopicViewModel viewModel;
 
-    private boolean canReply = false;
-
     /**
      * @param context   the context of the {@link RecyclerView}
      * @param postsList List of {@link Post} objects to use
@@ -452,7 +450,7 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
             });
 
             //noinspection PointlessBooleanExpression,ConstantConditions
-            if (!BaseActivity.getSessionManager().isLoggedIn() || !canReply) {
+            if (!BaseActivity.getSessionManager().isLoggedIn() || !viewModel.canReply()) {
                 holder.quoteToggle.setVisibility(View.GONE);
             } else {
                 if (viewProperties.get(position)[isQuoteButtonChecked])
@@ -559,8 +557,7 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         }
     }
 
-    void resetTopic(boolean canReply) {
-        this.canReply = canReply;
+    void resetTopic() {
         viewProperties.clear();
         for (int i = 0; i < postsList.size(); ++i) {
             //Initializes properties, array's values will be false by default

app/src/main/java/gr/thmmy/mthmmy/viewmodel/TopicViewModel.java

@@ -95,6 +95,10 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
         return postEditedPosition;
     }
 
+    public boolean canReply() {
+        return topicTaskResult.getValue() != null && topicTaskResult.getValue().getReplyPageUrl() != null;
+    }
+
     public boolean isWritingReply() {
         return writingReply;
     }