RenderSolrTagCloud

Renders a tag cloud using Solr

Documentation

This renders a tag cloud getting tags from a solr search on recently changed data.

Parameters

• DAYS: number of recent days of changes to take under consideration, defaults to unlimited
• RECENCY: maximum number of topics to harvest tags from, defaults to 100; a value of "all" will render a tag cloud considering all matching documents
• LIMIT: maximum number of tags in the could, defaults to 100
• MIN: minimum frequency of a tags to be shown
• TAG: comma separated list of tags to be searched for in the archive; tags may be preceded with a dash (-) to exclude results containing this tag
• CAT: comma separated list of categories to search for; categories may be preceded with a dash (-) to exclude results containing this tag
• KEYWORDS: keywords to filter for
• THEWEB: web to restrict search to, defaults to all
• TYPE: content type to restrict results to, e.g. "topic" (default), "image", "video", "pdf", "zip", ..., defaults to "topic"
• SEARCHTOPIC: search topic, defaults to WebSearch

Implementation

%STARTINCLUDE%<noautolink>
%DBCALL{"%WEB%.%TOPIC%" 
  section="search"
  keywords="%KEYWORDS{default=""}%"
  theweb="%SUBST{text="%THEWEB{default="all"}%" pattern="/" format="."}%"
  limit="%LIMIT{default="100"}%"
  filter="type:%TYPE{default="topic"}% %IF{"defined THEWEB and $THEWEB!='all'" 
            then="web:%SUBST{text="%THEWEB{default=""}%" pattern="/" format="."}%"
          }% %FORMATLIST{
            "%TAG{default=""}%" 
            split="\s*,\s*" 
            pattern="^(\-)?(.*)$" 
            format="$1tag:$2" 
            separator=" "
          }% %FORMATLIST{
             "%CAT{default=""}%" 
             split="\s*,\s*" 
             pattern="(\-)?(.*)" 
             format="$1category:$2" 
             separator=" "
          }% %IF{"defined DAYS"
            then="date:\\"[NOW/DAY-%DAYS%DAY TO NOW]\\""
          }%"
}% %TAGCLOUD{
  terms="%SOLRFORMAT{
    "solrtagcloud1"
    format_tag="$key:$count,"
    separator_tag=" "
  }%"
  header="<div class='solrTagCloud clsTagCloud'>"
  format="<span style='font-size:$weightpx;line-height:110%'><a href='$percntSOLRSCRIPTURL{
                                                                        topic=\"%BASEWEB%.%SEARCHTOPIC{default="WebSearch"}%\" 
                                                                        tag=\"$term\" 
                                                                        category=\"%CAT{default=""}%\" 
                                                                        web=\"%SUBST{text="%THEWEB{default=""}%" pattern="/" format="."}%\" 
                                                                        union=\"web, type\"
                                                                        type=\"%TYPE{default="topic"}%\"
                                                                      }$percnt' style='color:$fadeRGB(%TAGCLOUD_START{default="111,169,255"}%,%TAGCLOUD_END{default="0,89,224"}%);' class='solrFacetValue tag_$term' name='tag_$term' value='$term'>$term</a></span>"
  footer="</div>"
  group="<strong>$group</strong>&nbsp;"
  split="\s*,\s*"
  buckets="25"
  offset="13"
  warn="off"
  min="%MIN{default="0"}%"
}%</noautolink>%STOPINCLUDE%

%STARTSECTION{"search"}%%SOLRSEARCH{
  "%keywords%"
  id="solrtagcloud1"
  sort="date desc"
  type="edismax"
  fields=""
  web="%theweb%"
  filter="%filter% %IF{"$RECENCY != 'all'"
    then="$percntSOLRSEARCH{\"%keywords% tag:*\"
      sort=\"date desc\"
      type=\"edismax\"
      fields=\"id\"
      web=\"%theweb%\"
      filter=\"%filter%\"
      rows=\"%RECENCY{default="100"}%\"
      format=\"$id\"
      separator=\" OR \"
      header=\"id:(\"
      footer=\")\"
    }$percnt"}%"
  facets="tag"
  facetlimit="%limit%"
  rows="30"
}%%ENDSECTION{"search"}%

Test

%SOLRSEARCH{ "" id="solrtagcloud1" sort="date desc" type="edismax" fields="" web="all" filter="type:topic -tag:foo tag:bar %SOLRSEARCH{" tag:*" sort="date desc" type="edismax" fields="id" web="all" filter="type:topic -tag:foo tag:bar " rows="100" format="$id" separator=" OR " header="id:(" footer=")" }%" facets="tag" facetlimit="100" rows="30" }% %TAGCLOUD{ terms="%SOLRFORMAT{ "solrtagcloud1" format_tag="$key:$count," separator_tag=" " }%" header="" group="$group " split="\s*,\s*" buckets="25" offset="13" warn="off" min="0" }%