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1   /*
2    * Copyright 2012-2025 CodeLibs Project and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.codelibs.fess.entity;
17  
18  import java.util.Collection;
19  import java.util.LinkedHashMap;
20  import java.util.Locale;
21  import java.util.Map;
22  import java.util.ResourceBundle;
23  
24  import org.apache.logging.log4j.LogManager;
25  import org.apache.logging.log4j.Logger;
26  import org.codelibs.fess.util.ComponentUtil;
27  
28  import jakarta.annotation.PostConstruct;
29  
30  /**
31   * View class for managing facet query configurations and their display.
32   * This class handles the setup and organization of query facets for the search interface,
33   * including automatic generation of file type facets and custom query mappings.
34   */
35  public class FacetQueryView {
36      /** Logger instance for this class */
37      private static final Logger logger = LogManager.getLogger(FacetQueryView.class);
38  
39      /** Title for this facet query view */
40      protected String title;
41  
42      /** Map of display keys to their corresponding query strings */
43      protected Map<String, String> queryMap = new LinkedHashMap<>();
44  
45      /**
46       * Default constructor for FacetQueryView.
47       */
48      public FacetQueryView() {
49          // Default constructor
50      }
51  
52      /**
53       * Initializes the facet query view with default file type queries.
54       * This method is called after dependency injection to set up file type facets
55       * and register all queries with the FacetInfo component.
56       */
57      @PostConstruct
58      public void init() {
59          final String filetypeField = ComponentUtil.getFessConfig().getIndexFieldFiletype();
60          final Collection<String> values = queryMap.values();
61          if (values.stream().anyMatch(s -> s.startsWith(filetypeField))) {
62              final ResourceBundle resources = ResourceBundle.getBundle("fess_label", Locale.ENGLISH);
63              final String[] fileTypes = ComponentUtil.getFileTypeHelper().getTypes();
64              for (final String fileType : fileTypes) {
65                  final String value = filetypeField + ":" + fileType;
66                  if (!values.contains(value)) {
67                      final String key = "labels.facet_filetype_" + fileType;
68                      if (resources.containsKey(key)) {
69                          queryMap.put(key, value);
70                      } else {
71                          queryMap.put(fileType.toUpperCase(Locale.ROOT), value);
72                      }
73                  }
74              }
75              queryMap.remove("labels.facet_filetype_others");
76              queryMap.put("labels.facet_filetype_others", "filetype:others");
77              if (logger.isDebugEnabled()) {
78                  logger.debug("Updated query map: queryMap={}", queryMap);
79              }
80          }
81  
82          final FacetInfo facetInfo = ComponentUtil.getComponent("facetInfo");
83          queryMap.values().stream().distinct().forEach(facetInfo::addQuery);
84      }
85  
86      /**
87       * Gets the title for this facet query view.
88       *
89       * @return the title string
90       */
91      public String getTitle() {
92          return title;
93      }
94  
95      /**
96       * Sets the title for this facet query view.
97       *
98       * @param title the title to set
99       */
100     public void setTitle(final String title) {
101         this.title = title;
102     }
103 
104     /**
105      * Gets the map of display keys to query strings.
106      *
107      * @return the query map
108      */
109     public Map<String, String> getQueryMap() {
110         return queryMap;
111     }
112 
113     /**
114      * Adds a query to the query map with the specified display key.
115      *
116      * @param key the display key for the query
117      * @param query the query string to add
118      */
119     public void addQuery(final String key, final String query) {
120         queryMap.put(key, query);
121     }
122 
123     /**
124      * Returns a string representation of this FacetQueryView object.
125      * Includes the title and query map for debugging purposes.
126      *
127      * @return string representation of this FacetQueryView instance
128      */
129     @Override
130     public String toString() {
131         return "FacetQueryView [title=" + title + ", queryMap=" + queryMap + "]";
132     }
133 
134 }