X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=src%2Forg%2Fcacert%2Fgigi%2Futil%2FNotary.java;h=515b25cd30a23601e77a04ea5e6499e47d1bf378;hb=85c2c5b794a1e331f1f5655698b9d6f5606e0e69;hp=92b231da5b3bf82abb266dde9fddb32aba629b88;hpb=093f4797bc1e84c4963a67093f2b21393656edab;p=gigi.git

diff --git a/src/org/cacert/gigi/util/Notary.java b/src/org/cacert/gigi/util/Notary.java
index 92b231da..515b25cd 100644
--- a/src/org/cacert/gigi/util/Notary.java
+++ b/src/org/cacert/gigi/util/Notary.java
@@ -1,8 +1,10 @@
 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 {
@@ -22,4 +24,74 @@ public class Notary {
 		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;
+	}
 }