Skip to content

Can now sort posts based on creation date #81

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Ryaguy15 wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Can now sort posts based on creation date #81

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion clients/Android/app/src/main/java/org/mtuosc/techchat/activity/PostActivity.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -94,12 +94,14 @@ public boolean onOptionsItemSelected(MenuItem item) {
if (! item.isChecked()) {
// call the sort function
item.setChecked(true);
adapter.sortPosts(PostAdapter.NEWEST);
}
break;
case R.id.menu_sort_oldest:
if (! item.isChecked()) {
// call the sort function

item.setChecked(true);
adapter.sortPosts(PostAdapter.OLDEST);
}
break;
case R.id.menu_sort_trending:
Expand Down
32 changes: 32 additions & 0 deletions clients/Android/app/src/main/java/org/mtuosc/techchat/models/PostAdapter.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,10 +11,17 @@
import org.mtuosc.techchat.R;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

public class PostAdapter extends RecyclerView.Adapter<PostAdapter.PostViewHolder> {
private ArrayList<Post> posts = new ArrayList<>();

public static final int NEWEST = 0;
public static final int OLDEST = 1;
public static final int TRENDING = 2;


@NonNull
@Override
public PostViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
Expand Down Expand Up @@ -53,4 +60,29 @@ public void addPost(Post post) {
}

public void flushPosts() {posts = new ArrayList<Post>();}

public void sortPosts(int sortBy) {
switch (sortBy) {
case NEWEST: {
Collections.sort(posts, new Comparator<Post>() {
@Override
public int compare(Post post, Post t1) {
return post.getTimestamp().compareTo(t1.getTimestamp());
}
});
this.notifyDataSetChanged();
break;
}
case OLDEST: {
Collections.sort(posts, new Comparator<Post>() {
@Override
public int compare(Post post, Post t1) {
return post.getTimestamp().compareTo(t1.getTimestamp()) * -1;
}
});
this.notifyDataSetChanged();
break;
}
}
}
}