Sat, 30 May 2020 15:26:15 +0200
adds issue summaries
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:
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9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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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)
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28 */
29 package de.uapcore.lightpit.dao.postgres;
31 import de.uapcore.lightpit.dao.ProjectDao;
32 import de.uapcore.lightpit.entities.Project;
33 import de.uapcore.lightpit.entities.User;
35 import java.sql.Connection;
36 import java.sql.PreparedStatement;
37 import java.sql.ResultSet;
38 import java.sql.SQLException;
39 import java.util.ArrayList;
40 import java.util.List;
41 import java.util.Objects;
43 import static de.uapcore.lightpit.dao.Functions.setForeignKeyOrNull;
44 import static de.uapcore.lightpit.dao.Functions.setStringOrNull;
46 public final class PGProjectDao implements ProjectDao {
48 private final PreparedStatement insert, update, list, find;
49 private final PreparedStatement issue_summary;
51 public PGProjectDao(Connection connection) throws SQLException {
52 list = connection.prepareStatement(
53 "select projectid, name, description, repourl, " +
54 "userid, username, lastname, givenname, mail " +
55 "from lpit_project " +
56 "left join lpit_user owner on lpit_project.owner = owner.userid " +
57 "order by name");
59 find = connection.prepareStatement(
60 "select projectid, name, description, repourl, " +
61 "userid, username, lastname, givenname, mail " +
62 "from lpit_project " +
63 "left join lpit_user owner on lpit_project.owner = owner.userid " +
64 "where projectid = ?");
66 issue_summary = connection.prepareStatement(
67 "select phase, count(*) as total "+
68 "from lpit_issue " +
69 "join lpit_issue_phases using(status) " +
70 "where project = ? "+
71 "group by phase "
72 );
74 insert = connection.prepareStatement(
75 "insert into lpit_project (name, description, repourl, owner) values (?, ?, ?, ?)"
76 );
77 update = connection.prepareStatement(
78 "update lpit_project set name = ?, description = ?, repourl = ?, owner = ? where projectid = ?"
79 );
80 }
82 public Project mapColumns(ResultSet result) throws SQLException {
83 final var proj = new Project(result.getInt("projectid"));
84 proj.setName(result.getString("name"));
85 proj.setDescription(result.getString("description"));
86 proj.setRepoUrl(result.getString("repourl"));
88 final int id = result.getInt("userid");
89 if (id != 0) {
90 final var user = new User(id);
91 user.setUsername(result.getString("username"));
92 user.setGivenname(result.getString("givenname"));
93 user.setLastname(result.getString("lastname"));
94 user.setMail(result.getString("mail"));
95 proj.setOwner(user);
96 }
98 return proj;
99 }
101 private void mapIssueSummary(Project proj) throws SQLException {
102 issue_summary.setInt(1, proj.getId());
103 final var result = issue_summary.executeQuery();
104 while (result.next()) {
105 final var phase = result.getInt("phase");
106 final var total = result.getInt("total");
107 switch(phase) {
108 case 0:
109 proj.setOpenIssues(total);
110 break;
111 case 1:
112 proj.setActiveIssues(total);
113 break;
114 case 2:
115 proj.setDoneIssues(total);
116 break;
117 }
118 }
119 }
121 @Override
122 public void save(Project instance) throws SQLException {
123 Objects.requireNonNull(instance.getName());
124 insert.setString(1, instance.getName());
125 setStringOrNull(insert, 2, instance.getDescription());
126 setStringOrNull(insert, 3, instance.getRepoUrl());
127 setForeignKeyOrNull(insert, 4, instance.getOwner(), User::getId);
128 insert.executeUpdate();
129 }
131 @Override
132 public boolean update(Project instance) throws SQLException {
133 if (instance.getId() < 0) return false;
134 Objects.requireNonNull(instance.getName());
135 update.setString(1, instance.getName());
136 setStringOrNull(update, 2, instance.getDescription());
137 setStringOrNull(update, 3, instance.getRepoUrl());
138 setForeignKeyOrNull(update, 4, instance.getOwner(), User::getId);
139 update.setInt(5, instance.getId());
140 return update.executeUpdate() > 0;
141 }
143 @Override
144 public List<Project> list() throws SQLException {
145 List<Project> projects = new ArrayList<>();
146 try (var result = list.executeQuery()) {
147 while (result.next()) {
148 final var project = mapColumns(result);
149 mapIssueSummary(project);
150 projects.add(project);
151 }
152 }
153 return projects;
154 }
156 @Override
157 public Project find(int id) throws SQLException {
158 find.setInt(1, id);
159 try (var result = find.executeQuery()) {
160 if (result.next()) {
161 final var project = mapColumns(result);
162 mapIssueSummary(project);
163 return project;
164 } else {
165 return null;
166 }
167 }
168 }
169 }