Wiki source code of Lucene Search

Last modified by Administrator on 2011/11/06 20:09
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  1: {{velocity}}
  2: $xwiki.ssfx.use("uicomponents/search/search.css", true)##
  3: ## Disable the document extra data: comments, attachments, history...
  4: #set($docextras = [])
  5: ## ===================
  6: ## Lucene search
  7: ## ===================
  8: ## Inputs : $request.text
  9: ## Outputs : $list, $isScored
 10: ## ===================
 11: ## Uncomment this line to overload the maximum list of wiki where to search (also the one listed in the wikis combobox)
 12: ## #set($allwikinamelist = ["xwiki", "wiki1", "wiki2"])
 13: ##
 14: ## Uncomment this line to overload the wikis where to search
 15: ## #set($wikinames = "xwiki,wiki,wiki")
 16: ##
 17: ## Uncomment this line to overload the languages to search
 18: ## #set($languages = "default,en,de")
 19: #set ($rssmode = ("$!request.xpage" == 'plain'))
 20: ## ---------------
 21: ## Space filtering
 22: ## ---------------
 23: #set($extraClause = '')
 24: #set($spaces = $xwiki.spaces)
 25: #set($selectedSpace = "$!request.space")
 26: #if($selectedSpace != '' && !$blacklistedSpaces.contains($selectedSpace))
 27:   #set($extraClause = " AND space:${selectedSpace}")
 28: #end
 29: ## ----------------------------------------------------------------------
 30: ## Exclude Blacklisted spaces ($blacklistedSpaces is set in xwikivars.vm)
 31: ## Also exclude WebPreferences.
 32: ## ----------------------------------------------------------------------
 33: #foreach ($blacklistedSpace in $blacklistedSpaces)
 34:   #set ($extraClause = " AND NOT space:${blacklistedSpace}${extraClause}")
 35: #end
 36: #if(!$hasAdmin && !$isAdvancedUser)
 37:   #set ($extraClause = " AND NOT name:WebPreferences${extraClause}")
 38: #end
 39: ## ---------------
 40: ## Space macros
 41: ## ---------------
 42: #macro(spaceoption $space $selectedSpace)
 43:   <option value="${space}" #if($selectedSpace == $space)selected="selected"#end>$space</option>
 44: #end
 45: #macro(spaceselect $selectedSpace $spaces)
 46:   <select name="space" title="$msg.get('search.page.bar.spaces.title')">
 47:     <option value="" #if($selectedSpace == '')selected="selected"#end>$msg.get('search.page.bar.spaces.all')</option>
 48:     #foreach($space in $spaces)
 49:       #if (!$blacklistedSpaces.contains($space))
 50:         #spaceoption($space $selectedSpace)
 51:       #end
 52:     #end
 53:   </select>
 54: #end
 55: ## ---------------
 56: ## Wikis filtering
 57: ## ---------------
 58: ## Parse provided wikis
 59: #set($wikinamelist = [])
 60: #if (!$wikinames)
 61:   #set($wikinametable = $request.getParameterValues("wikinames"))
 62:   #if (!$wikinametable || $request.wikinames == "")
 63:     #set($wikinametable = $allwikinamelist)
 64:   #end
 65:   #set($wikinames = '')
 66:   #foreach($wikiname in $wikinametable)
 67:     #set($ok = $wikinamelist.add($wikiname))
 68:     #if($wikinames != "")
 69:       #set($wikinames = $wikinames + ",")
 70:     #end
 71:     #set($wikinames = $wikinames + $wikiname)
 72:   #end
 73:   #if (!$xcontext.isMainWiki() && $wikinames == '')
 74:     #set($wikinames = $xcontext.database)
 75:   #end
 76: #else
 77:   #set($wikinametable = $wikinames.split(", "))
 78:   #foreach($wikiname in $wikinametable)
 79:     #set($ok = $wikinamelist.add($wikiname))
 80:   #end
 81: #end
 82: ##
 83: #if($xwiki.isVirtualMode() && $xcontext.isMainWiki())
 84:   #if(!$allwikinamelist)
 85:     #set($currentwikiname = $xcontext.database)
 86:     ## TODO: add and use a public API method to get the list of wikis instead of doing it "by hand"
 87:     #set($allwikilist = $xwiki.searchDocuments(", BaseObject as obj, StringProperty as prop where doc.fullName=obj.name and doc.fullName<>'XWiki.XWikiServerClassTemplate' and obj.className='XWiki.XWikiServerClass' and prop.id.id=obj.id and prop.id.name='server'"))
 88:     ##
 89:     #set($allwikinamelist = [])
 90:     #foreach($wiki in $allwikilist)
 91:       #set($ok = $allwikinamelist.add($wiki.substring(17).toLowerCase()))
 92:     #end
 93:     ## Make sure the main wiki is part of the list
 94:     #if(!$allwikinamelist.contains($xcontext.mainWikiName))
 95:       #set($ok = $allwikinamelist.add($xcontext.mainWikiName))
 96:     #end
 97:   #end
 98:   ## ---------------
 99:   ## Wikis macros
100:   ## ---------------
101:   #macro(wikioption $wikiname $wikinamelist)
102:     <option value="$wikiname" #if($wikinamelist.contains($wikiname))selected="selected"#end>$wikiname</option>
103:   #end
104:   #macro(wikisselect $wikinamelist $allwikinamelist)
105:     ## TODO: find a scaling way to handle wikis multiselect, does not use multiple="multiple" for now because it does not looks nice
106:     <select name="wikinames">
107:       <option value="" selected="selected">$msg.get('search.page.bar.wikis.all')</option>
108:       #foreach($wikiname in $allwikinamelist)
109:         #wikioption($wikiname $wikinamelist)
110:       #end
111:     </select>
112:   #end
113: #else
114:   #if($wikinames == '')
115:     #set($wikinames = $xcontext.mainWikiName)
116:   #end
117: #end
118: ## ---------------
119: ## Query preparation
120: ## ---------------
121: #set($text = "$!request.getParameter('text')")
122: #set($query = $text)
123: #set($utext = $util.encodeURI($query))
124: #set($defaultItemsPerPage = 30)
125: #set($itemsPerPage = $util.parseInt("$!{request.perPage}"))
126: #if($itemsPerPage <= 0)
127:   #set($itemsPerPage = $defaultItemsPerPage)
128: #end
129: ## ---------------
130: ## Query form
131: ## ---------------
132: #if(!$rssmode)
133: {{html}}
134: <form action="" id="searchBar">
135:   <div class="centered">
136:     <label for="text" class="hidden">$msg.get('search.page.query.label')</label>
137:     <input type="text" id="text" name="text" class="searchQuery #if($text == '') withTip#end" #if($text == '') value="$msg.get('search.page.bar.query.tip')" #else value="${escapetool.xml($text)}" #end title="$msg.get('search.page.bar.query.title')"/>
138:     #if ($xwiki.isVirtualMode() && $xcontext.isMainWiki())
139:       #wikisselect($request.wikinames $allwikinamelist)
140:     #end
141:     #spaceselect($selectedSpace $spaces)
142:     <input type="submit" class="searchButton" value="$msg.get('search.page.bar.submit')" title="$msg.get('search.page.bar.submit.title')"/>
143:     <div class="searchHelp">$msg.get('search.page.bar.querytip')</div>
144:   </div>
145: </form>
146: {{/html}}
147: #end
148: ## ---------------
149: ## Results processing
150: ## ---------------
151: #if($query != '')
152:   #set($lucene = $xwiki.getPlugin("lucene"))
153:   #if($lucene)    
154:     ## ---------------
155:     ## Lucene search
156:     ## ---------------
157:     #set($searchresults = $lucene.getSearchResults("${query}${extraClause}", '', $wikinames, $!languages))
158:     #if($searchresults.getHitcount() > 0)
159:       ## -----------------
160:       ## Pagination (top)
161:       ## -----------------
162:       #if(!$rssmode)
163:         #set($paginationParameters = {'url' : $doc.getURL('view', "text=${escapetool.url($query)}&amp;space=${escapetool.url($selectedSpace)}"), 'totalItems' : $searchresults.getHitcount(), 'defaultItemsPerPage' : $defaultItemsPerPage, 'position': 'top'})
164: 
165:         {{html}}
166:           #pagination($paginationParameters)
167:         {{/html}}
168:       #end
169:       ## -----------------
170:       ## Display results
171:       ## -----------------
172:       #set($firstIndex = "$!{paginationParameters.firstItem}")
173:       #if($firstIndex == '')
174:         #set($firstIndex = "$!request.getParameter('firstIndex')")
175:         #if($firstIndex == '')
176:           #set($firstIndex = '0')
177:         #end
178:       #end
179:       #set($firstIndex = $util.parseInt($firstIndex))
180:       #set($firstIndex = $firstIndex + 1)
181:       #set($results = $searchresults.getResults("$firstIndex", "$itemsPerPage"))
182:       #if ($rssmode)
183:         #set ($list = $util.arrayList)
184:         #foreach ($item in $results)
185:           #if ($item.type != "attachment")
186:             #set ($ok = $list.add(0, "${item.space}.${item.name}"))
187:           #end
188:         #end
189:         #set ($feed = $xwiki.feed.getDocumentFeed($list, $util.getHashMap()))
190:         #set ($feedURI = $doc.getExternalURL("view"))
191:         #set ($discard = $feed.setLink($feedURI))
192:         #set ($discard = $feed.setUri($feedURI))
193:         #set ($discard = $feed.setAuthor('XWiki'))
194:         #set ($discard = $feed.setTitle($msg.get('search.rss', [$text])))
195:         #set ($discard = $feed.setDescription($msg.get('search.rss', [$text])))
196:         #set ($discard = $feed.setLanguage($xcontext.language))
197:         #set ($discard = $feed.setCopyright($xwiki.getXWikiPreference('copyright')))
198:         {{{$xwiki.feed.getFeedOutput($feed, 'rss_2.0')}}}
199:       #else
200:         #set ($list = $results)
201:         #set ($isScored = true)
202: 
203:         {{include document="XWiki.Results"/}}
204:       #end
205:       ## -----------------
206:       ## Pagination (bottom)
207:       ## -----------------
208:       #if(!$rssmode)
209:         #set($paginationParameters.position = 'bottom')
210: 
211:         {{html}}
212:           #pagination($paginationParameters)
213:         {{/html}}
214:         ## ---------------
215:         ## RSS link
216:         ## ---------------
217:         #if($selectedSpace == '')
218:           #set($rssURL = $xwiki.getURL($doc.fullName, 'view', "xpage=plain&amp;text=${utext}" ))
219:         #else
220:           #set($rssURL = $xwiki.getURL($doc.fullName, 'view', "xpage=plain&space=${selectedSpace}&text=${utext}"))
221:         #end
222: 
223:         {{html}}
224:           <a href="${rssURL}"><img src="$xwiki.getSkinFile("icons/silk/feed.gif")" alt="RSS icon"/>$msg.get("search.rss", ["[$escapetool.xml($query)]"])</a>
225:         {{/html}}
226:       #end
227:     #end
228:   #else
229: 
230:     {{error}}$msg.get('search.lucene.plugin.notfound')){{/error}}
231:   #end
232: #end
233: #if (!$rssmode)
234:   ## ---------------
235:   ## Rebuild processing
236:   ## ---------------
237:   #set($lucene = $xwiki.getPlugin("lucene"))
238:   #if($lucene)
239:     ## ---------------
240:     ## Queue
241:     ## ---------------
242:     #set ($queuesize = $xwiki.lucene.getQueueSize())
243:     #if ($queuesize > 0)
244: 
245:       {{info}}$msg.get('search.page.lucene.rebuilding', [${queuesize}]){{/info}}
246:     #end
247:   #end## lucene exists
248: #end## !$rssmode
249: {{/velocity}}