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package com.juick.api;

import com.juick.Message;
import com.juick.User;
import com.juick.json.UserSerializer;
import com.juick.server.MessagesQueries;
import com.juick.server.SubscriptionsQueries;
import com.juick.server.UserQueries;
import org.apache.commons.lang3.math.NumberUtils;
import org.springframework.jdbc.core.JdbcTemplate;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

/**
 * Created by vitalyster on 24.10.2016.
 */
public class Subscriptions {
    JdbcTemplate jdbc;
    UserSerializer userSerializer = new UserSerializer();

    public Subscriptions(JdbcTemplate jdbc) {
        this.jdbc = jdbc;
    }
    public void doGet(HttpServletRequest request, HttpServletResponse response, int vuid) throws IOException {
        User visitor = UserQueries.getUserByUID(jdbc, vuid).orElse(new User());
        if ((visitor.getUid() == 0) && !(visitor.getName().equals("juick"))) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }
        int uid = NumberUtils.toInt(request.getParameter("uid"), 0);
        int mid = NumberUtils.toInt(request.getParameter("mid"), 0);
        if (uid > 0) {
            List<User> users = SubscriptionsQueries.getSubscribedUsers(jdbc, uid, mid);
            Main.replyJSON(request, response, userSerializer.serializeList(users));
        } else {
            // thread
            Message msg = MessagesQueries.getMessage(jdbc, mid);
            if (msg != null) {
                List<User> users = SubscriptionsQueries.getUsersSubscribedToComments(jdbc, mid, msg.getUser().getUid());
                Main.replyJSON(request, response, userSerializer.serializeList(users));
            }
        }
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
    }
}