mirror of
https://github.com/ZSCNetSupportDept/WechatTicketSystem.git
synced 2025-10-28 23:55:04 +08:00
85 lines
3.0 KiB
Java
85 lines
3.0 KiB
Java
package love.sola.netsupport.api;
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import com.google.gson.Gson;
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import love.sola.netsupport.pojo.Ticket;
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import love.sola.netsupport.pojo.User;
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import love.sola.netsupport.sql.SQLCore;
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import love.sola.netsupport.util.ParseUtil;
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import love.sola.netsupport.wechat.Command;
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import org.hibernate.HibernateException;
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import org.hibernate.Session;
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import org.hibernate.criterion.Projections;
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import org.hibernate.criterion.Restrictions;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.io.PrintWriter;
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/**
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* ***********************************************
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* Created by Sola on 2015/12/6.
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* Don't modify this source without my agreement
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* ***********************************************
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*/
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@WebServlet(name = "TicketSubmit", urlPatterns = "/api/ticketsubmit", loadOnStartup = 23)
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public class TicketSubmit extends HttpServlet {
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private Gson gson = SQLCore.gson;
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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doGet(request, response);
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}
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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request.setCharacterEncoding("utf-8");
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response.setCharacterEncoding("utf-8");
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response.addHeader("Content-type", "text/json;charset=utf-8");
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PrintWriter out = response.getWriter();
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String json = gson.toJson(submit(request));
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out.println(ParseUtil.parseJsonP(request, json));
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out.close();
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}
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private Response submit(HttpServletRequest request) {
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try (Session s = SQLCore.sf.openSession()) {
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if (request.getSession() == null || request.getSession().getAttribute("authorized") != Command.SUBMIT) {
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return new Response(Response.ResponseCode.UNAUTHORIZED);
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}
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User u = (User) request.getSession().getAttribute("user");
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if (u == null) return new Response(Response.ResponseCode.UNAUTHORIZED);
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int n = (int) s.createCriteria(Ticket.class)
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.add(Restrictions.eq(Ticket.PROPERTY_USER, u))
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.add(Restrictions.eq(Ticket.PROPERTY_STATUS, 0))
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.setProjection(Projections.rowCount())
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.uniqueResult();
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if (n > 0) {
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return new Response(Response.ResponseCode.ALREADY_SUBMITTED);
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}
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String desc = request.getParameter("desc");
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if (desc == null) {
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return new Response(Response.ResponseCode.PARAMETER_REQUIRED);
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}
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Ticket t = new Ticket();
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t.setUser(u);
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t.setDescription(desc);
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t.setStatus(0);
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s.beginTransaction();
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s.save(t);
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s.getTransaction().commit();
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return new Response(Response.ResponseCode.OK, t);
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} catch (NumberFormatException e) {
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return new Response(Response.ResponseCode.ILLEGAL_PARAMETER);
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} catch (HibernateException e) {
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return new Response(Response.ResponseCode.DATABASE_ERROR);
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} catch (Exception e) {
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return new Response(Response.ResponseCode.INTERNAL_ERROR);
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}
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}
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}
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