private void downVotePost()

in app/src/main/java/com/amazonaws/postsapp/PostsAdapter.java [381:430]
45 lines of code
1 McCabe index (conditional complexity)

    private void downVotePost(final View view, final int position, final ListPostsQuery.ListPost p) {
        //Execute Mutation
        UpdatePostMutation updatePostMutation = UpdatePostMutation.builder()
                .input(UpdatePostInput.builder()
                        .id(p.id())
                        .title(p.title())
                        .author(p.author())
                        .content(p.content())
                        .ups(p.ups())
                        .downs(p.downs()+1)
                        .build())
                .build();

        ClientFactory.getInstance(view.getContext()).mutate(updatePostMutation).enqueue(new GraphQLCall.Callback<UpdatePostMutation.Data>() {
            @Override
            public void onResponse(@Nonnull final Response<UpdatePostMutation.Data> response) {
                Log.d(TAG, "Down voted successfully");
                display.runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(display, "Down Voted!", Toast.LENGTH_SHORT).show();
                    }
                });
            }

            @Override
            public void onFailure(@Nonnull final ApolloException e) {
                display.runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(display, "Failed to Down Vote post!", Toast.LENGTH_SHORT).show();
                    }
                });
                Log.e("", e.getMessage());
            }
        });

        //Update listPostsQuery cache for optimistic UI
        display.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                allPosts.put(p.id(), new ListPostsQuery.ListPost("Post",
                        p.id(), p.author(), p.title(), p.content(),
                        p.url(), p.ups(), p.downs() + 1, p.createdDate(),
                        p.aws_ds()));
                updateListPostsQueryCache();
                notifyDataSetChanged();
            }
        });
    }