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package org.openslx.bwlp.sat.database.mappers;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.apache.log4j.Logger;
import org.openslx.bwlp.sat.database.Database;
import org.openslx.bwlp.sat.database.MysqlConnection;
import org.openslx.bwlp.sat.database.MysqlStatement;
import org.openslx.bwlp.thrift.iface.NetShare;
import org.openslx.util.Json;
public class DbLectureNetshare {
private static final Logger LOGGER = Logger.getLogger(DbLectureNetshare.class);
public static void writeNetworkShares(MysqlConnection connection, String lectureId, List<NetShare> shares)
throws SQLException {
if (lectureId == null || lectureId.isEmpty()) {
return;
}
MysqlStatement delStmt = connection
.prepareStatement("DELETE FROM networkshare WHERE lectureid = :lectureid");
delStmt.setString("lectureid", lectureId);
delStmt.executeUpdate();
if (shares == null || shares.isEmpty()) {
return;
}
MysqlStatement addStmt = connection
.prepareStatement("INSERT IGNORE INTO networkshare (lectureid, sharepresetid, sharedata)"
+ " VALUES (:lectureid, NULL, :sharedata)");
addStmt.setString("lectureid", lectureId);
for (NetShare share : shares) {
String netshareJson = Json.serialize(share);
addStmt.setString("sharedata", netshareJson);
addStmt.executeUpdate();
}
}
public static List<NetShare> getLectureNetshares(String lectureId) throws SQLException {
try (MysqlConnection connection = Database.getConnection()) {
return getLectureNetshares(connection, lectureId);
} catch (SQLException e) {
LOGGER.error("Query failed in DbNetshare.getLectureNetshares()", e);
throw e;
}
}
public static List<NetShare> getLectureNetshares(MysqlConnection connection, String lectureId)
throws SQLException {
List<NetShare> list = new ArrayList<>();
MysqlStatement netsharestmt = connection.prepareStatement(
"SELECT IFNULL(pns.sharedata, ns.sharedata) AS sharedata FROM networkshare ns"
+ " LEFT JOIN presetnetworkshare pns ON (ns.sharepresetid = pns.shareid)"
+ " WHERE ns.lectureid = :lectureid");
netsharestmt.setString("lectureid", lectureId);
ResultSet rs = netsharestmt.executeQuery();
while (rs.next()) {
list.add(Json.deserializeThrift(rs.getString("sharedata"), NetShare.class));
}
return list;
}
public static List<NetShare> getPredefinedNetshares() throws SQLException {
try (MysqlConnection connection = Database.getConnection()) {
List<NetShare> list = new ArrayList<>();
MysqlStatement stmt = connection
.prepareStatement("SELECT sharedata" + " FROM presetnetworkshare");
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
list.add(Json.deserializeThrift(rs.getString("sharedata"), NetShare.class));
}
return list;
} catch (SQLException e) {
LOGGER.error("Query failed in getPredefinedNetshares()", e);
throw e;
}
}
}
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