1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2018 Mike Becker. All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 * |
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28 */ |
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29 package de.uapcore.lightpit.dao.postgres; |
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30 |
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31 import de.uapcore.lightpit.dao.ComponentDao; |
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32 import de.uapcore.lightpit.dao.Functions; |
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33 import de.uapcore.lightpit.entities.Component; |
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34 import de.uapcore.lightpit.entities.Project; |
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35 import de.uapcore.lightpit.entities.User; |
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36 import de.uapcore.lightpit.types.WebColor; |
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37 |
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38 import java.sql.Connection; |
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39 import java.sql.PreparedStatement; |
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40 import java.sql.ResultSet; |
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41 import java.sql.SQLException; |
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42 import java.util.List; |
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43 |
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44 public final class PGComponentDao implements ComponentDao { |
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45 |
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46 private final PreparedStatement insert, update, list, find, findByNode; |
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47 |
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48 public PGComponentDao(Connection connection) throws SQLException { |
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49 final var query = "select id, name, node, color, ordinal, description, " + |
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50 "userid, username, givenname, lastname, mail " + |
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51 "from lpit_component " + |
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52 "left join lpit_user on lead = userid"; |
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53 |
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54 list = connection.prepareStatement(query + " where project = ? order by ordinal, lower(name)"); |
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55 |
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56 find = connection.prepareStatement(query + " where id = ? "); |
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57 |
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58 findByNode = connection.prepareStatement(query + " where project = ? and node = ?"); |
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59 |
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60 insert = connection.prepareStatement( |
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61 "insert into lpit_component (name, node, color, ordinal, description, lead, project) values (?, ?, ?, ?, ?, ?, ?)" |
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62 ); |
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63 |
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64 update = connection.prepareStatement( |
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65 "update lpit_component set name = ?, node = ?, color = ?, ordinal = ?, description = ?, lead = ? where id = ?" |
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66 ); |
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67 } |
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68 |
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69 private static Component mapColumns(ResultSet result) throws SQLException { |
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70 final var component = new Component(result.getInt("id")); |
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71 component.setName(result.getString("name")); |
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72 component.setNode(result.getString("node")); |
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73 try { |
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74 component.setColor(new WebColor(result.getString("color"))); |
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75 } catch (IllegalArgumentException ex) { |
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76 // if someone tempered with the database we default the color to black |
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77 component.setColor(new WebColor("000000")); |
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78 } |
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79 component.setOrdinal(result.getInt("ordinal")); |
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80 component.setDescription(result.getString("description")); |
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81 component.setLead(PGUserDao.mapColumns(result)); |
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82 return component; |
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83 } |
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84 |
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85 private static int setColumns(PreparedStatement stmt, Component instance) throws SQLException { |
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86 int column = 0; |
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87 stmt.setString(++column, instance.getName()); |
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88 stmt.setString(++column, instance.getNode()); |
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89 stmt.setString(++column, instance.getColor().getHex()); |
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90 stmt.setInt(++column, instance.getOrdinal()); |
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91 Functions.setStringOrNull(stmt, ++column, instance.getDescription()); |
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92 Functions.setForeignKeyOrNull(stmt, ++column, instance.getLead(), User::getId); |
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93 return column; |
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94 } |
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95 |
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96 @Override |
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97 public void save(Component instance, Project project) throws SQLException { |
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98 int column = setColumns(insert, instance); |
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99 insert.setInt(++column, project.getId()); |
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100 insert.executeUpdate(); |
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101 } |
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102 |
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103 @Override |
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104 public boolean update(Component instance) throws SQLException { |
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105 if (instance.getId() < 0) return false; |
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106 int column = setColumns(update, instance); |
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107 update.setInt(++column, instance.getId()); |
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108 return update.executeUpdate() > 0; |
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109 } |
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110 |
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111 |
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112 @Override |
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113 public List<Component> list(Project project) throws SQLException { |
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114 list.setInt(1, project.getId()); |
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115 return Functions.list(list, PGComponentDao::mapColumns); |
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116 } |
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117 |
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118 @Override |
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119 public Component find(int id) throws SQLException { |
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120 find.setInt(1, id); |
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121 return Functions.find(find, PGComponentDao::mapColumns); |
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122 } |
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123 |
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124 @Override |
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125 public Component findByNode(Project project, String node) throws SQLException { |
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126 findByNode.setInt(1, project.getId()); |
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127 findByNode.setString(2, node);; |
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128 return Functions.find(findByNode, PGComponentDao::mapColumns); |
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129 } |
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130 } |
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