LightPIT: src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java@cf85ef18f231

     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

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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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    29 package de.uapcore.lightpit.dao.postgres;

    31 import de.uapcore.lightpit.dao.AbstractDao;

    32 import de.uapcore.lightpit.dao.ProjectDao;

    33 import de.uapcore.lightpit.entities.Project;

    34 import de.uapcore.lightpit.entities.User;

    36 import java.sql.Connection;

    37 import java.sql.PreparedStatement;

    38 import java.sql.ResultSet;

    39 import java.sql.SQLException;

    40 import java.util.Objects;

    42 public final class PGProjectDao extends AbstractDao<Project> implements ProjectDao {

    44     private final PGUserDao userDao;

    46     private final PreparedStatement insert;

    47     private final PreparedStatement update;

    49     public PGProjectDao(Connection connection, PGUserDao userDao) throws SQLException {

    50         super(connection.prepareStatement(

    51                 "select * from lpit_project join lpit_user owner on lpit_project.owner = owner.userid"));

    53         insert = connection.prepareStatement(

    54                 "insert into lpit_project (name, description, repourl, owner) values (?, ?, ?, ?)"

    55         );

    56         update = connection.prepareStatement(

    57                 "update lpit_project set name = ?, description = ?, repourl = ?, owner = ? where id = ?"

    58         );

    60         this.userDao = userDao;

    61     }

    63     @Override

    64     public Project mapColumns(ResultSet result, String q) throws SQLException {

    65         final var proj = new Project(result.getInt(qual(q, "id")));

    66         proj.setName(result.getString(qual(q, "name")));

    67         proj.setDescription(result.getString(qual(q, "description")));

    68         proj.setRepoUrl(result.getString(qual(q, "repourl")));

    69         proj.setOwner(userDao.mapColumns(result, "owner"));

    70         return proj;

    71     }

    73     @Override

    74     public void save(Project instance) throws SQLException {

    75         Objects.requireNonNull(instance.getName());

    76         insert.setString(1, instance.getName());

    77         setStringOrNull(insert, 2, instance.getDescription());

    78         setStringOrNull(insert, 3, instance.getRepoUrl());

    79         setForeignKeyOrNull(insert, 4, instance.getOwner(), User::getUserID);

    80         insert.executeUpdate();

    81     }

    83     @Override

    84     public boolean update(Project instance) throws SQLException {

    85         Objects.requireNonNull(instance.getName());

    86         update.setString(1, instance.getName());

    87         setStringOrNull(update, 2, instance.getDescription());

    88         setStringOrNull(update, 3, instance.getRepoUrl());

    89         setForeignKeyOrNull(update, 4, instance.getOwner(), User::getUserID);

    90         return update.executeUpdate() > 0;

    91     }

    92 }

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