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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;
import org.openslx.util.Util;
public class DbLectureNetshare {
private static final Logger LOGGER = Logger.getLogger(DbLectureNetshare.class);
public static void writeForLecture(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 addCustomStmt = connection
.prepareStatement("INSERT IGNORE INTO networkshare (lectureid, sharedata)"
+ " VALUES (:lectureid, :sharedata)");
MysqlStatement addPresetStmt = connection
.prepareStatement("INSERT IGNORE INTO networkshare (lectureid, sharepresetid)"
+ " VALUES (:lectureid, :shareid)");
addCustomStmt.setString("lectureid", lectureId);
addPresetStmt.setString("lectureid", lectureId);
for (NetShare share : shares) {
if (share.shareId > 0) {
// Preset
addPresetStmt.setInt("shareid", share.shareId);
addPresetStmt.executeUpdate();
} else {
// Custom
if (Util.isEmptyString(share.path) || Util.isEmptyString(share.mountpoint))
continue;
String netshareJson = Json.serialize(share);
addCustomStmt.setString("sharedata", netshareJson);
addCustomStmt.executeUpdate();
}
}
}
public static List<NetShare> getCombinedForLecture(MysqlConnection connection, String lectureId)
throws SQLException {
List<NetShare> list = new ArrayList<>();
MysqlStatement netsharestmt = connection.prepareStatement(
"SELECT pns.shareid, IFNULL(pns.sharedata, ns.sharedata) AS sharedata FROM networkshare ns"
+ " LEFT JOIN presetnetworkshare pns ON (ns.sharepresetid = pns.shareid)"
+ " WHERE ns.lectureid = :lectureid AND (pns.active IS NULL OR pns.active <> 0)");
netsharestmt.setString("lectureid", lectureId);
ResultSet rs = netsharestmt.executeQuery();
while (rs.next()) {
list.add(Json.deserialize(rs.getString("sharedata"), NetShare.class)
.setShareId(rs.getInt("shareid")));
}
return list;
}
public static void getSplitForLecture(MysqlConnection connection, String lectureId,
List<NetShare> custom, List<Integer> predef) throws SQLException {
MysqlStatement netsharestmt = connection
.prepareStatement("SELECT sharepresetid, sharedata FROM networkshare WHERE lectureid = :lectureid");
netsharestmt.setString("lectureid", lectureId);
ResultSet rs = netsharestmt.executeQuery();
while (rs.next()) {
int id = rs.getInt("sharepresetid");
if (id == 0) {
custom.add(Json.deserialize(rs.getString("sharedata"), NetShare.class).setShareId(0));
} else {
predef.add(id);
}
}
}
public static List<NetShare> getPredefined() throws SQLException {
try (MysqlConnection connection = Database.getConnection()) {
List<NetShare> list = new ArrayList<>();
MysqlStatement stmt = connection
.prepareStatement("SELECT shareid, sharedata" + " FROM presetnetworkshare");
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
list.add(Json.deserialize(rs.getString("sharedata"), NetShare.class)
.setShareId(rs.getInt("shareid")));
}
return list;
} catch (SQLException e) {
LOGGER.error("Query failed in getPredefinedNetshares()", e);
throw e;
}
}
}
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