Sphinx Search

Adds ThinkingSphinx (http://ts.freelancing-gods.com) support to Radiant, including a paginated search results page.

Installation

First you'll need to install Sphinx, available via your preferred package manager or from http://sphinxsearch.com.

Installing the extension itself as a gem is preferred. Add to your config/environment.rb:

config.gem 'radiant-sphinx_search-extension'

After the gem is configured, run rake db:migrate:extensions and rake radiant:extensions:update_all. You should at least read the Thinking Sphinx quickstart guide, but these commands should be enough to get you started:

rake ts:in
rake ts:start

Indexing

SphinxSearch indexes your pages on title and content (parts.) Sphinx attributes are created for status_id, updated_at, and virtual.

Building a Search Page

SphinxSearch adds a new Page subclass, SearchPage. This page serves as both the search form and the search results display.

There are a number of Radius tags available to the Search page, most of which are customizable to some extent. You can find the full documentation for these tags and their options in the tag reference, but a simple search page might look like this:

<r:search>
  <r:form />
  <p>Your search for <strong><r:query /></strong> returned <r:count />.</p>
  <r:results paginated="true">
    <r:each>
      <h3><r:link /></h3>
      <p><r:excerpt /></p>
    </r:each>
    <r:pagination />
  </r:results>
</r:search>

NoMethodError

If you're using some versions of Radiant (generally <= 0.9.1) or certain 3rd-party extensions, you may see this error:

NoMethodError

You have a nil object when you didn't expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.<<

This is a load-order problem and it means another extension created a Page subclass before SphinxSearch had a chance to extend the base class. The easiest way around this is to simply load SphinxSearch first:

config.extensions = [:sphinx_search, :all]

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Copyright (c) 2008 Digital Pulp, Inc.

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