diff -r 4f912cd42876 -r 86b5d8a1662f src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java
--- a/src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java	Fri Nov 06 10:50:32 2020 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,151 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2018 Mike Becker. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *   1. Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *
- *   2. Redistributions in binary form must reproduce the above copyright
- *      notice, this list of conditions and the following disclaimer in the
- *      documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- */
-package de.uapcore.lightpit.dao.postgres;
-
-import de.uapcore.lightpit.dao.Functions;
-import de.uapcore.lightpit.dao.ProjectDao;
-import de.uapcore.lightpit.entities.IssueSummary;
-import de.uapcore.lightpit.entities.Project;
-import de.uapcore.lightpit.entities.User;
-
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.List;
-
-import static de.uapcore.lightpit.dao.Functions.setForeignKeyOrNull;
-import static de.uapcore.lightpit.dao.Functions.setStringOrNull;
-
-public final class PGProjectDao implements ProjectDao {
-
-    private final PreparedStatement insert, update, list, find, findByNode;
-    private final PreparedStatement issue_summary;
-
-    public PGProjectDao(Connection connection) throws SQLException {
-        final var query = "select projectid, name, node, description, repourl, " +
-                "userid, username, lastname, givenname, mail " +
-                "from lpit_project " +
-                "left join lpit_user owner on lpit_project.owner = owner.userid ";
-
-        list = connection.prepareStatement(query + " order by name");
-
-        find = connection.prepareStatement(query + " where projectid = ?");
-        findByNode = connection.prepareStatement(query + " where node = ?");
-
-        issue_summary = connection.prepareStatement(
-                "select phase, count(*) as total "+
-                        "from lpit_issue " +
-                        "join lpit_issue_phases using(status) " +
-                        "where project = ? "+
-                        "group by phase "
-        );
-
-        insert = connection.prepareStatement(
-                "insert into lpit_project (name, node, description, repourl, owner) values (?, ?, ?, ?, ?)"
-        );
-        update = connection.prepareStatement(
-                "update lpit_project set name = ?, node = ?, description = ?, repourl = ?, owner = ? where projectid = ?"
-        );
-    }
-
-    private static Project mapColumns(ResultSet result) throws SQLException {
-        final var proj = new Project(result.getInt("projectid"));
-        proj.setName(result.getString("name"));
-        proj.setNode(result.getString("node"));
-        proj.setDescription(result.getString("description"));
-        proj.setRepoUrl(result.getString("repourl"));
-        proj.setOwner(PGUserDao.mapColumns(result));
-
-        return proj;
-    }
-
-    public IssueSummary getIssueSummary(Project project) throws SQLException {
-        issue_summary.setInt(1, project.getId());
-        final var result = issue_summary.executeQuery();
-        final var summary = new IssueSummary();
-        while (result.next()) {
-            final var phase = result.getInt("phase");
-            final var total = result.getInt("total");
-            switch(phase) {
-                case 0:
-                    summary.setOpen(total);
-                    break;
-                case 1:
-                    summary.setActive(total);
-                    break;
-                case 2:
-                    summary.setDone(total);
-                    break;
-            }
-        }
-        return summary;
-    }
-
-    private static int setColumns(PreparedStatement stmt, Project instance) throws SQLException {
-        int column = 0;
-        stmt.setString(++column, instance.getName());
-        stmt.setString(++column, instance.getNode());
-        setStringOrNull(stmt, ++column, instance.getDescription());
-        setStringOrNull(stmt, ++column, instance.getRepoUrl());
-        setForeignKeyOrNull(stmt, ++column, instance.getOwner(), User::getId);
-        return column;
-    }
-
-    @Override
-    public void save(Project instance) throws SQLException {
-        setColumns(insert, instance);
-        insert.executeUpdate();
-    }
-
-    @Override
-    public boolean update(Project instance) throws SQLException {
-        if (instance.getId() < 0) return false;
-        int column = setColumns(update, instance);
-        update.setInt(++column, instance.getId());
-        return update.executeUpdate() > 0;
-    }
-
-    @Override
-    public List<Project> list() throws SQLException {
-        return Functions.list(list, PGProjectDao::mapColumns);
-    }
-
-    @Override
-    public Project find(int id) throws SQLException {
-        find.setInt(1, id);
-        return Functions.find(find, PGProjectDao::mapColumns);
-    }
-
-    @Override
-    public Project findByNode(String node) throws SQLException {
-        findByNode.setString(1, node);
-        return Functions.find(findByNode, PGProjectDao::mapColumns);
-    }
-}