Fri, 23 Oct 2020 20:34:57 +0200
migrate entities package
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2018 Mike Becker. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29 package de.uapcore.lightpit.dao.postgres;
31 import de.uapcore.lightpit.dao.ComponentDao;
32 import de.uapcore.lightpit.dao.Functions;
33 import de.uapcore.lightpit.entities.Component;
34 import de.uapcore.lightpit.entities.Project;
35 import de.uapcore.lightpit.entities.User;
36 import de.uapcore.lightpit.types.WebColor;
38 import java.sql.Connection;
39 import java.sql.PreparedStatement;
40 import java.sql.ResultSet;
41 import java.sql.SQLException;
42 import java.util.List;
44 public final class PGComponentDao implements ComponentDao {
46 private final PreparedStatement insert, update, list, find, findByNode;
48 public PGComponentDao(Connection connection) throws SQLException {
49 final var query = "select id, name, node, color, ordinal, description, " +
50 "userid, username, givenname, lastname, mail " +
51 "from lpit_component " +
52 "left join lpit_user on lead = userid";
54 list = connection.prepareStatement(query + " where project = ? " +
55 "order by ordinal desc, lower(name) desc");
57 find = connection.prepareStatement(query + " where id = ? ");
59 findByNode = connection.prepareStatement(query + " where project = ? and node = ?");
61 insert = connection.prepareStatement(
62 "insert into lpit_component (name, node, color, ordinal, description, lead, project) values (?, ?, ?, ?, ?, ?, ?)"
63 );
65 update = connection.prepareStatement(
66 "update lpit_component set name = ?, node = ?, color = ?, ordinal = ?, description = ?, lead = ? where id = ?"
67 );
68 }
70 private static Component mapColumns(ResultSet result) throws SQLException {
71 final var component = new Component(result.getInt("id"));
72 component.setName(result.getString("name"));
73 component.setNode(result.getString("node"));
74 try {
75 component.setColor(new WebColor(result.getString("color")));
76 } catch (IllegalArgumentException ex) {
77 // if someone tempered with the database we default the color to black
78 component.setColor(new WebColor("000000"));
79 }
80 component.setOrdinal(result.getInt("ordinal"));
81 component.setDescription(result.getString("description"));
82 component.setLead(PGUserDao.mapColumns(result));
83 return component;
84 }
86 private static int setColumns(PreparedStatement stmt, Component instance) throws SQLException {
87 int column = 0;
88 stmt.setString(++column, instance.getName());
89 stmt.setString(++column, instance.getNode());
90 stmt.setString(++column, instance.getColor().getHex());
91 stmt.setInt(++column, instance.getOrdinal());
92 Functions.setStringOrNull(stmt, ++column, instance.getDescription());
93 Functions.setForeignKeyOrNull(stmt, ++column, instance.getLead(), User::getId);
94 return column;
95 }
97 @Override
98 public void save(Component instance, Project project) throws SQLException {
99 int column = setColumns(insert, instance);
100 insert.setInt(++column, project.getId());
101 insert.executeUpdate();
102 }
104 @Override
105 public boolean update(Component instance) throws SQLException {
106 if (instance.getId() < 0) return false;
107 int column = setColumns(update, instance);
108 update.setInt(++column, instance.getId());
109 return update.executeUpdate() > 0;
110 }
113 @Override
114 public List<Component> list(Project project) throws SQLException {
115 list.setInt(1, project.getId());
116 return Functions.list(list, PGComponentDao::mapColumns);
117 }
119 @Override
120 public Component find(int id) throws SQLException {
121 find.setInt(1, id);
122 return Functions.find(find, PGComponentDao::mapColumns);
123 }
125 @Override
126 public Component findByNode(Project project, String node) throws SQLException {
127 findByNode.setInt(1, project.getId());
128 findByNode.setString(2, node);;
129 return Functions.find(findByNode, PGComponentDao::mapColumns);
130 }
131 }