Wiki source code of Search

Last modified by Administrator on 2008/06/25 08:43
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  1: ## ===================
  2: ## Lucene search
  3: ## ===================
  4: ## Inputs : $request.text
  5: ## Outputs : $list, $isScored
  6: ## ===================
  7: ## Uncomment this line to overload the maximum list of wiki where to search (also the one listed in the wikis combobox)
  8: ## #set($allwikinamelist = ["xwiki", "wiki1", "wiki2"])
  9: ##
 10: ## Uncomment this line to overload the wikis where to search
 11: ## #set($wikinames = "xwiki,wiki,wiki")
 12: ##
 13: {pre}
 14: #set ($displayUI = true)
 15: #if ($request.xpage && $request.xpage == "rdf")
 16:   #set ($displayUI = false)
 17: #end
 18: ## ---------------
 19: ## Title
 20: ## ---------------
 21: #if ($displayUI)
 22: {/pre}
 23: 1 Search
 24: {pre}
 25: #end
 26: ## ---------------
 27: ## Space filtering
 28: ## ---------------
 29: #if($request.space && $request.space != "")
 30:   #set($space = $request.space)
 31:   #set($reqspace = " AND web:${space}")
 32: #else
 33:   #set($space = "")
 34: #end
 35: #set($spacesText = {})
 36: #set($spaces = $xwiki.spaces)
 37: #set($ok = $spacesText.put("All",""))
 38: #foreach($space in $spaces)
 39:   #set($ok = $spacesText.put($space,$space))
 40: #end
 41: ## ---------------
 42: ## Space macros
 43: ## ---------------
 44: #macro(spaceoption $space $selectspace $spacesText)
 45:   <option value="$spacesText.get($space)" #if($selectspace == $spacesText.get($space))selected="selected"#end>$space</option>
 46: #end
 47: #macro(spaceselect $selectspace $spaces $spacesText)
 48:   <select name="space">
 49:     #spaceoption("All" $selectspace $spacesText)
 50:     #foreach($space in $spaces)
 51:       #spaceoption($space $selectspace $spacesText)
 52:     #end
 53:   </select>
 54: #end
 55: ## ---------------
 56: ## Wikis filtering
 57: ## ---------------
 58: #set($wikinamelist = [])
 59: #if(!$wikinames)
 60:   #set($wikinametable = $request.getParameterValues("wikinames"))
 61:   #if(!$wikinametable || $request.wikinames == "")
 62:     #set($wikinametable = $allwikinamelist)
 63:   #end
 64:   #set($wikinames = "")
 65:   #foreach($wikiname in $wikinametable)
 66:     #set($ok = $wikinamelist.add($wikiname))
 67:     #if($wikinames != "")
 68:       #set($wikinames = $wikinames + ",")
 69:     #end
 70:     #set($wikinames = $wikinames + $wikiname)
 71:   #end
 72: #else
 73:   #set($wikinametable = $wikinames.split(", "))
 74:   #foreach($wikiname in $wikinametable)
 75:     #set($ok = $wikinamelist.add($wikiname))
 76:   #end
 77: #end
 78: ##
 79: #if($xwiki.isVirtualMode())
 80:   #if(!$allwikinamelist)
 81:     #set($currentwikiname = $context.database)
 82:     #set($ok = $context.setDatabase($context.mainWikiName))
 83:     #set($allwikilist = $xwiki.searchDocuments(", BaseObject as obj, StringProperty as prop where doc.fullName=obj.name and obj.className='XWiki.XWikiServerClass' and prop.id.id=obj.id and prop.id.name='server'"))
 84:     #set($ok = $context.setDatabase($currentwikiname))
 85:     ##
 86:     #set($allwikinamelist = [])
 87:     #foreach($wiki in $allwikilist)
 88:       #set($ok = $allwikinamelist.add($wiki.substring(17).toLowerCase()))
 89:     #end
 90:     #if(!$allwikinamelist.contains($context.mainWikiName))
 91:       #set($ok = $allwikinamelist.add($context.mainWikiName))
 92:     #end
 93:   #end
 94:   ## ---------------
 95:   ## Wikis macros
 96:   ## ---------------
 97:   #macro(wikinamesoption $wikiname $wikinamelist)
 98:     <option value="$wikiname" #if($wikinamelist.contains($wikiname))selected="selected"#end>$wikiname</option>
 99:   #end
100:   #macro(wikinamesselect $allwikinamelist $wikinamelist)
101:     <select name="wikinames">
102:       <option value="" selected="selected">All</option>
103:       #foreach($wikiname in $allwikinamelist)
104:         #wikinamesoption($wikiname $wikinamelist)
105:       #end
106:     </select>
107:   #end
108: #else
109:   #if($wikinames == "")
110:     #set($wikinames = $context.mainWikiName)
111:   #end
112: #end
113: ## ---------------
114: ## Query preparation
115: ## ---------------
116: #set($text = "$!request.getParameter('text')")
117: #set($query = $text)
118: #set($utext = $util.encodeURI($query))
119: #set($itemsPerPage = "30")
120: ## ---------------
121: ## RSS link
122: ## ---------------
123: #if($space == "")
124:   #set($url = $xwiki.getURL($doc.fullName, "view", "xpage=rdf&amp;text=${utext}" ))
125: #else
126:   #set($url = $xwiki.getURL($doc.fullName, "view", "xpage=rdf&space=$space&text=${utext}"))
127: #end
128: #if ($displayUI)
129: <div style="float: right;">
130:   <a href="$url"><img src="$xwiki.getSkinFile("icons/black-rss.png")" style="border:0px" alt="rss icon" /></a>
131: </div>
132: ## ---------------
133: ## Query form
134: ## ---------------
135: <form action="$doc.name" method="get">
136: <div class="centered">
137: Query <input type="text" name="text" value="$xwiki.getFormEncoded($query)" /> in space #spaceselect($space $spaces $spacesText)#if($xwiki.isVirtualMode()) in wikis #wikinamesselect($util.sort($allwikinamelist) $wikinamelist)#end <input type="submit" value="Search"/>
138: </div>
139: </form>
140: #end
141: {/pre}
142: ## ---------------
143: ## Results processing
144: ## ---------------
145: #if($query != "")
146: 	#set($lucene = $xwiki.getPlugin("lucene"))
147: 	#if($lucene)
148:                 ## ---------------
149:                 ## Lucene search
150:                 ## ---------------
151: 		#set($languages = "default,en,de")
152: 		#set($firstIndex = $request.getParameter("firstIndex"))
153: 		#if(!$firstIndex)
154: 			#set($firstIndex = "1")
155: 		#end
156: 		#set($searchresults = $lucene.getSearchResults("${query}$!{reqspace}", $wikinames, $languages, $xwiki))
157:                 #set($results = $searchresults.getResults($firstIndex,$itemsPerPage))
158: 		#if($searchresults.getHitcount()>0)
159:                         ## -----------------
160:                         ## Results numbers
161:                         ## -----------------
162:                         #set($lastIndex=$searchresults.getEndIndex($firstIndex, $itemsPerPage))
163:                         #if ($displayUI)
164: 			#if($searchresults.getHitcount()==1)
165: 				One result:
166: 			#else
167: 				Results $firstIndex - $lastIndex of ${searchresults.getHitcount()}:
168: 			#end
169:                         #end
170:                         ## ---------------
171:                         ## Previous page
172:                         ## ---------------
173: 			#if($searchresults.hasPrevious($firstIndex) && $displayUI)
174: 				#set($linkfirstIndex = $searchresults.getPreviousIndex($firstIndex,$itemsPerPage))
175: 				#set($link = "${doc.name}?text=${query}&firstIndex=${linkfirstIndex}")
176:                                 {pre}
177: 				<a href="$link"><img src="${doc.getAttachmentURL("previous.png")}" alt="previous" />previous page</a>
178: 				{/pre}
179: 			#end
180:                         ## -------------
181:                         ## Next page
182:                         ## -------------
183: 			#if($searchresults.hasNext($firstIndex,$itemsPerPage) && $displayUI)
184: 				#set($linkfirstIndex = $searchresults.getNextIndex($firstIndex,$itemsPerPage))
185: 				#set($link = "${doc.name}?text=${query}&firstIndex=${linkfirstIndex}")
186:                                 {pre}
187: 				<a href="$link"><img src="${doc.getAttachmentURL("next.png")}" alt="next" />next page</a>
188:                                 {/pre}
189: 			#end
190:                         ## -----------------
191:                         ## Display results
192:                         ## -----------------
193:                         #if ($request.xpage && $request.xpage == "rdf")
194:                           #set ($baseurl = "http://${request.serverName}")
195:                           #set ($description = "RSS feed for search on '$text'")
196:                           #set ($list = $util.arrayList)
197:                           #foreach ($item in $results)
198:                             #if ($item.type != "attachment")
199:                               #set ($ok = $list.add(0, "${item.web}.${item.name}"))
200:                             #end
201:                           #end
202:                           #set ($ok = $response.setContentType("text/xml"))
203:                           #includeInContext("XWiki.WebRssCode")
204:                         #else
205:                           #set ($list = $results)
206:                           #set ($isScored = true)
207:                           #includeInContext("XWiki.Results")
208:                         #end
209:                 #end
210: 	#else
211: 		#error("Lucene plugin not found. Make sure it's defined in your xwiki.cfg file.")
212: 	#end
213: #end
214: #if ($displayUI)
215:   {pre}
216:   ## ---------------
217:   ## Rebuild processing
218:   ## ---------------
219:   #set($lucene = $xwiki.getPlugin("lucene"))
220:   #if($lucene)
221:     #set($doRebuild = "$!{request.getParameter('rebuild')}")
222:     #if($doRebuild == "yes")
223:       #set($documentCount = $lucene.rebuildIndex())
224:       #if(${documentCount} >= 0)
225:         {/pre}#info("Started index rebuild.\\
226:         Will take some time depending on the number of pages/attachments."){pre}
227:       #elseif(${documentCount} == -1)
228:         #error("You must have administrator rights to rebuild the index.")
229:       #elseif(${documentCount} == -2)
230:         #error("Another rebuild is in progress.")
231:       #else
232:         #error("Index rebuild failed.")
233:       #end
234:     #else ## !doRebuild
235:       ## ---------------
236:       ## Queue & rebuild option
237:       ## ---------------
238:       #set ($queuesize = $xwiki.lucene.getQueueSize())
239:       #if ($queuesize > 2)
240:         #set($info1 = "Lucene is currently building its index, ${queuesize} documents in queue.")
241:       #else
242:         #set($info1 = "Lucene index is up to date.")
243:       #end
244:       #if($hasAdmin)
245:         #set($info2 = " [Rebuild the Lucene index>${doc.space}.${doc.name}?rebuild=yes].")
246:       #else
247:         #set($info2 = "")
248: 	  #end
249:       {/pre}#info("${info1}${info2}"){pre}
250:     #end ## doRebuild
251:     ## ---------------
252:     ## Comment
253:     ## ---------------
254:     {/pre}
255: #warning("This is the new experimental Lucene search engine. \\
256:         You can still use the XWiki [default search engine>WebSearch?text=$utext].")
257:   #else ## !lucene exists
258:     #warning("The Lucene plugin is not enabled. You can use the XWiki [default search engine>WebSearch?text=$utext].")
259:   #end ## lucene exists
260: #end ## displayUI
Wiki source code of Search

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