Include "created" and "updated" timestamps in GET /arbitrary/resource/* API endpoints.

src/main/java/org/qortal/data/arbitrary/ArbitraryResourceInfo.java

@@ -16,6 +16,8 @@ public class ArbitraryResourceInfo {
 	public ArbitraryResourceMetadata metadata;
 
 	public Long size;
+	public Long created;
+	public Long updated;
 
 	public ArbitraryResourceInfo() {
 	}

src/main/java/org/qortal/repository/hsqldb/HSQLDBArbitraryRepository.java

@@ -383,7 +383,10 @@ public class HSQLDBArbitraryRepository implements ArbitraryRepository {
 		StringBuilder sql = new StringBuilder(512);
 		List<Object> bindParams = new ArrayList<>();
 
-		sql.append("SELECT name, service, identifier, MAX(size) AS max_size FROM ArbitraryTransactions WHERE 1=1");
+		sql.append("SELECT name, service, identifier, MAX(size) AS max_size, MIN(created_when) AS date_created, MAX(created_when) AS date_updated " +
+				"FROM ArbitraryTransactions " +
+				"JOIN Transactions USING (signature) " +
+				"WHERE 1=1");
 
 		if (service != null) {
 			sql.append(" AND service = ");
@@ -426,7 +429,7 @@ public class HSQLDBArbitraryRepository implements ArbitraryRepository {
 			bindParams.add(queryWildcard);
 		}
 
-		sql.append(" GROUP BY name, service, identifier ORDER BY name COLLATE SQL_TEXT_UCC_NO_PAD");
+		sql.append(" GROUP BY name, service, identifier ORDER BY date_created");
 
 		if (reverse != null && reverse) {
 			sql.append(" DESC");
@@ -445,6 +448,8 @@ public class HSQLDBArbitraryRepository implements ArbitraryRepository {
 				Service serviceResult = Service.valueOf(resultSet.getInt(2));
 				String identifierResult = resultSet.getString(3);
 				Integer sizeResult = resultSet.getInt(4);
+				long dateCreated = resultSet.getLong(5);
+				long dateUpdated = resultSet.getLong(6);
 
 				// We should filter out resources without names
 				if (nameResult == null) {
@@ -456,6 +461,8 @@ public class HSQLDBArbitraryRepository implements ArbitraryRepository {
 				arbitraryResourceInfo.service = serviceResult;
 				arbitraryResourceInfo.identifier = identifierResult;
 				arbitraryResourceInfo.size = Longs.valueOf(sizeResult);
+				arbitraryResourceInfo.created = dateCreated;
+				arbitraryResourceInfo.updated = dateUpdated;
 
 				arbitraryResources.add(arbitraryResourceInfo);
 			} while (resultSet.next());