package org.cacert.gigi.util;
import java.sql.PreparedStatement;
+import java.sql.ResultSet;
import java.sql.SQLException;
+import org.cacert.gigi.User;
import org.cacert.gigi.database.DatabaseConnection;
public class Notary {
- public static void writeUserAgreement(int memid, String document,
- String method, String comment, boolean active, int secmemid)
- throws SQLException {
- PreparedStatement q = DatabaseConnection
- .getInstance()
- .prepare(
- "insert into `user_agreements` set `memid`=?, `secmemid`=?,"
- + " `document`=?,`date`=NOW(), `active`=?,`method`=?,`comment`=?");
+ public static void writeUserAgreement(int memid, String document, String method, String comment, boolean active,
+ int secmemid) throws SQLException {
+ PreparedStatement q = DatabaseConnection.getInstance().prepare(
+ "insert into `user_agreements` set `memid`=?, `secmemid`=?,"
+ + " `document`=?,`date`=NOW(), `active`=?,`method`=?,`comment`=?");
q.setInt(1, memid);
q.setInt(2, secmemid);
q.setString(3, document);
q.setString(6, comment);
q.execute();
}
+
+ public static AssuranceResult checkAssuranceIsPossible(User assurer, User target) {
+ if (assurer.getId() == target.getId()) {
+ return AssuranceResult.CANNOT_ASSURE_SELF;
+ }
+ try {
+ PreparedStatement ps = DatabaseConnection.getInstance().prepare(
+ "SELECT 1 FROM `notary` where `to`=? and `from`=? AND `deleted`=0");
+ ps.setInt(1, target.getId());
+ ps.setInt(2, assurer.getId());
+ ResultSet rs = ps.executeQuery();
+ if (rs.next()) {
+ rs.close();
+ return AssuranceResult.ALREADY_ASSUREED;
+ }
+ rs.close();
+ if (!assurer.canAssure()) {
+ return AssuranceResult.CANNOT_ASSURE;
+ }
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ return AssuranceResult.ASSURANCE_SUCCEDED;
+ }
+
+ public enum AssuranceResult {
+ CANNOT_ASSURE("You cannot assure."), ALREADY_ASSUREED("You already assured this person."), CANNOT_ASSURE_SELF(
+ "Cannot assure myself."), ASSURANCE_SUCCEDED(""), ASSUREE_CHANGED(
+ "Person details changed. Please start over again."), POINTS_OUT_OF_RANGE("Points out of range.");
+ private final String message;
+
+ private AssuranceResult(String message) {
+ this.message = message;
+ }
+
+ public String getMessage() {
+ return message;
+ }
+ }
+
+ public synchronized static AssuranceResult assure(User assurer, User target, int awarded, String location,
+ String date) throws SQLException {
+ AssuranceResult can = checkAssuranceIsPossible(assurer, target);
+ if (can != AssuranceResult.ASSURANCE_SUCCEDED) {
+ return can;
+ }
+ User u = new User(target.getId());
+ if (!u.equals(target)) {
+ return AssuranceResult.ASSUREE_CHANGED;
+ }
+ if (awarded > assurer.getMaxAssurePoints() || awarded < 0) {
+ return AssuranceResult.POINTS_OUT_OF_RANGE;
+ }
+
+ PreparedStatement ps = DatabaseConnection.getInstance().prepare(
+ "INSERT INTO `notary` SET `from`=?, `to`=?, `points`=?, `location`=?, `date`=?");
+ ps.setInt(1, assurer.getId());
+ ps.setInt(2, target.getId());
+ ps.setInt(3, awarded);
+ ps.setString(4, location);
+ ps.setString(5, date);
+ ps.execute();
+ return AssuranceResult.ASSURANCE_SUCCEDED;
+ }
}