+ 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;