peer-at-code-backend/src/be/jeffcheasey88/peeratcode/routes/ChapterElement.java

53 lines
2 KiB
Java

package be.jeffcheasey88.peeratcode.routes;
import be.jeffcheasey88.peeratcode.model.Chapter;
import be.jeffcheasey88.peeratcode.model.Puzzle;
import be.jeffcheasey88.peeratcode.repository.DatabaseRepository;
import be.jeffcheasey88.peeratcode.webserver.HttpReader;
import be.jeffcheasey88.peeratcode.webserver.HttpUtil;
import be.jeffcheasey88.peeratcode.webserver.HttpWriter;
import be.jeffcheasey88.peeratcode.webserver.Response;
import be.jeffcheasey88.peeratcode.webserver.Route;
import be.jeffcheasey88.peeratcode.webserver.User;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import java.util.regex.Matcher;
public class ChapterElement implements Response {
private final DatabaseRepository databaseRepo;
public ChapterElement(DatabaseRepository databaseRepo) {
this.databaseRepo = databaseRepo;
}
@Route(path = "^\\/chapter\\/([0-9]+)$")
@Override
public void exec(Matcher matcher, User user, HttpReader reader, HttpWriter writer) throws Exception {
HttpUtil.responseHeaders(writer, 200, "Access-Control-Allow-Origin: *");
Chapter chapter = databaseRepo.getChapter(extractId(matcher));
if (chapter != null) {
JSONObject chapterJSON = new JSONObject();
chapterJSON.put("id", chapter.getId());
chapterJSON.put("name", chapter.getName());
if (chapter.getStartDate() != null) chapterJSON.put("startDate", chapter.getStartDate().toString());
if (chapter.getEndDate() != null) chapterJSON.put("endDate", chapter.getEndDate().toString());
JSONArray puzzles = new JSONArray();
for (Puzzle puzzle : chapter.getPuzzles()) {
JSONObject puzzleJSON = new JSONObject();
puzzleJSON.put("id", puzzle.getId());
puzzleJSON.put("name", puzzle.getName());
if (puzzle.getTags() != null) puzzleJSON.put("tags", puzzle.getTags());
puzzles.add(puzzleJSON);
}
chapterJSON.put("puzzles", puzzles);
writer.write(chapterJSON.toJSONString());
}
}
private int extractId(Matcher matcher) {
return Integer.parseInt(matcher.group(1));
}
}