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1   /*
2    * Copyright (c) 2002-2014, 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.quiz.business;
35  
36  import fr.paris.lutece.portal.service.plugin.Plugin;
37  import fr.paris.lutece.portal.service.spring.SpringContextService;
38  import fr.paris.lutece.util.ReferenceList;
39  
40  import java.util.List;
41  
42  
43  /**
44   * This class provides instances management methods (create, find, ...) for
45   * QuestionGroup objects
46   */
47  public final class QuestionGroupHome
48  {
49      // Static variable pointed at the DAO instance
50      private static IQuestionGroupDAO _dao = SpringContextService.getBean( "quiz.questionGroupDAO" );
51  
52      /**
53       * Private constructor - this class need not be instantiated
54       */
55      private QuestionGroupHome( )
56      {
57      }
58  
59      /**
60       * Create an instance of the group class
61       * @param nIdQuiz The quiz ID
62       * @param group The instance of the QuestionGroup which contains the
63       *            informations to store
64       * @param plugin the Plugin
65       * @return The instance of group which has been created with its primary
66       *         key.
67       */
68      public static QuestionGroup create( int nIdQuiz, QuestionGroup group, Plugin plugin )
69      {
70          _dao.insert( nIdQuiz, group, plugin );
71  
72          return group;
73      }
74  
75      /**
76       * Update of the group which is specified in parameter
77       * @param group The instance of the QuestionGroup which contains the data to
78       *            store
79       * @param plugin the Plugin
80       * @return The instance of the group which has been updated
81       */
82      public static QuestionGroup update( QuestionGroup group, Plugin plugin )
83      {
84          _dao.store( group, plugin );
85  
86          return group;
87      }
88  
89      /**
90       * Remove the group whose identifier is specified in parameter
91       * @param nIdQuiz The quiz ID
92       * @param nGroupId The group Id
93       * @param plugin the Plugin
94       */
95      public static void remove( int nIdQuiz, int nGroupId, Plugin plugin )
96      {
97          _dao.delete( nIdQuiz, nGroupId, plugin );
98      }
99  
100     ///////////////////////////////////////////////////////////////////////////
101     // Finders
102 
103     /**
104      * Returns an instance of a group whose identifier is specified in parameter
105      * @param nKey The group primary key
106      * @param plugin the Plugin
107      * @return an instance of QuestionGroup
108      */
109     public static QuestionGroup findByPrimaryKey( int nKey, Plugin plugin )
110     {
111         return _dao.load( nKey, plugin );
112     }
113 
114     /**
115      * Load the data of every group objects attached to a given quiz and returns
116      * them in a list
117      * @param nIdQuiz The quiz ID
118      * @param plugin the Plugin
119      * @return the list which contains the data of all the group objects
120      */
121     public static List<QuestionGroup> getGroupsList( int nIdQuiz, Plugin plugin )
122     {
123         return _dao.selectQuestionGroupsList( nIdQuiz, plugin );
124     }
125 
126     /**
127      * Find a group by its quiz and position
128      * @param nIdQuiz The quiz ID
129      * @param nPosition The position of the required group
130      * @param plugin the Plugin
131      * @return The requested group, or null if no group has the given position
132      */
133     public static QuestionGroup getGroupByPosition( int nIdQuiz, int nPosition, Plugin plugin )
134     {
135         return _dao.selectQuestionGroupByPosition( nIdQuiz, nPosition, plugin );
136     }
137 
138     /**
139      * Select the list of Groups
140      * @param nIdQuiz The quiz ID
141      * @return Groups list
142      * @param plugin plugin Quiz
143      */
144     public static ReferenceList getGroupsReferenceList( int nIdQuiz, Plugin plugin )
145     {
146         return _dao.selectQuestionGroupsReferenceList( nIdQuiz, plugin );
147     }
148 
149     /**
150      * Remove a group for a given quiz
151      * @param nIdQuiz The quiz id
152      * @param plugin The plugin
153      */
154     public static void removeByQuiz( int nIdQuiz, Plugin plugin )
155     {
156         _dao.deleteByQuiz( nIdQuiz, plugin );
157     }
158 
159     /**
160      * Move up a group
161      * @param nIdQuiz The quiz id
162      * @param group The group
163      * @param plugin The plugin
164      */
165     public static void moveUpGroup( int nIdQuiz, QuestionGroup group, Plugin plugin )
166     {
167         _dao.changePositionUp( nIdQuiz, group, plugin );
168     }
169 
170     /**
171      * Move down a group
172      * @param nIdQuiz The quiz id
173      * @param group The group
174      * @param plugin The plugin
175      */
176     public static void moveDownGroup( int nIdQuiz, QuestionGroup group, Plugin plugin )
177     {
178         _dao.changePositionDown( nIdQuiz, group, plugin );
179     }
180 
181     /**
182      * Find the id of last group in quiz
183      * @param nIdQuiz the quiz id
184      * @param plugin the plugin
185      * @return the id of corresponding group
186      */
187     public static int findLastByQuiz( int nIdQuiz, Plugin plugin )
188     {
189         return _dao.findLastByQuiz( nIdQuiz, plugin );
190     }
191 
192     /**
193      * Check if a quiz has a free HTML group that will display the result of the
194      * quiz
195      * @param nIdQuiz The id of the quiz
196      * @param plugin The plugin
197      * @return True if the quiz has a free HTML group that will display the
198      *         result of the quiz, false otherwise
199      */
200     public static boolean hasGroupDisplayScore( int nIdQuiz, Plugin plugin )
201     {
202         return _dao.hasGroupDisplayScore( nIdQuiz, plugin );
203     }
204 }