1 /*
2 * Copyright (c) 2002-2018, Mairie de Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.plugins.stock.modules.recommendation.business;
35
36 import fr.paris.lutece.portal.service.plugin.Plugin;
37 import fr.paris.lutece.util.sql.DAOUtil;
38
39 import java.util.ArrayList;
40 import java.util.List;
41
42 /**
43 * This class provides Data Access methods for Recommendation objects
44 */
45
46 public final class RecommendationDAO
47 {
48
49 // Constants
50 private static final String SQL_QUERY_INSERT = "INSERT INTO stock_recommendation ( username, id_product, score ) VALUES ( ?, ?, ? ) ";
51 private static final String SQL_QUERY_DELETE = "DELETE FROM stock_recommendation WHERE username = ? ";
52 private static final String SQL_QUERY_SELECTALL = "SELECT username, id_product, score FROM stock_recommendation WHERE username = ?";
53
54 /**
55 * Insert a new record in the table.
56 *
57 * @param recommendation
58 * instance of the Recommendation object to insert
59 * @param plugin
60 * The plugin
61 */
62
63 public void insert( Recommendation recommendation, Plugin plugin )
64 {
65 DAOUtil daoUtil = new DAOUtil( SQL_QUERY_INSERT, plugin );
66
67 daoUtil.setString( 1, recommendation.getUsername( ) );
68 daoUtil.setInt( 2, recommendation.getIdProduct( ) );
69 daoUtil.setDouble( 3, recommendation.getScore( ) );
70
71 daoUtil.executeUpdate( );
72 daoUtil.free( );
73 }
74
75 /**
76 * Delete a record from the table
77 *
78 * @param strUsername
79 * The username
80 * @param plugin
81 * The plugin
82 */
83
84 public void deleteByUser( String strUsername, Plugin plugin )
85 {
86 DAOUtil daoUtil = new DAOUtil( SQL_QUERY_DELETE, plugin );
87 daoUtil.setString( 1, strUsername );
88 daoUtil.executeUpdate( );
89 daoUtil.free( );
90 }
91
92 /**
93 * Load the data of all the recommendations and returns them as a List
94 *
95 * @param strUsername
96 * The username
97 * @param plugin
98 * The plugin
99 * @return The List which contains the data of all the recommendations
100 */
101
102 public List<Recommendation> selectRecommendationsByUser( String strUsername, Plugin plugin )
103 {
104 List<Recommendation> recommendationList = new ArrayList<Recommendation>( );
105 DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECTALL, plugin );
106 daoUtil.setString( 1, strUsername );
107 daoUtil.executeQuery( );
108
109 while ( daoUtil.next( ) )
110 {
111 Recommendation recommendation = new Recommendation( );
112
113 recommendation.setUsername( daoUtil.getString( 1 ) );
114 recommendation.setIdProduct( daoUtil.getInt( 2 ) );
115 recommendation.setScore( daoUtil.getDouble( 3 ) );
116
117 recommendationList.add( recommendation );
118 }
119
120 daoUtil.free( );
121 return recommendationList;
122 }
123
124 }