SimpleModelSearch
=================

Adds search method to ActiveRecord::Base.

The query language supports the operators (), not, and, or.

Precedence in that order.
- is an alias for not.
If no operator is present, and is assumed. Lastly, anything within double quotes is treated as a single search term.

For example,
 ruby rails => records where both ruby and rails appear
 "ruby on rails" => records where "ruby on rails" appears
 ruby or rails => records where ruby or rails (or both) appears
 ruby or chunky bacon => records where ruby appears or both chunky and bacon appear
 not dead or alive => records where alive appears or dead is absent
 -(ruby or rails) => records where neither ruby nor rails appears
 (ruby or rails) -"ruby on rails" => records where ruby or rails appears but not the phrase "ruby on rails"

Adds several methods to all model objects.

def self.searches_on(*args)
  Allow the user to set the default searchable fields.
  By default, search will search all string and text fields. Use this to limit what is searched on.

def self.simple_search(text = nil, options = {})
  Search the model's text and string fields
    text = a set of words to search for
    :only => an array of fields in which to search for the text;
      default is 'all text or string columns'
    :except => an array of fields to exclude
      from the default searchable columns
    :include => an array of tables to include in the joins.  Fields that
      have searchable text will automatically be included in the default
      set of :search_columns.
    :join_include => an array of tables to include in the joins, but only
      for joining. (Searchable fields will not automatically be included.)
    :conditions => a string of additional conditions (constraints)
    :keywords => true if searches for keyword vs fragment. Default is false.
    :order => sort order (order_by SQL snippet)
    :page => page desired. use 0 to return everything. Defaults to 1.

    returns WillPaginate::Collection

Query feature by Nate McNamara (nate@mcnamara.net)
Original TextSearch library by Duane Johnson.

Example
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Copyright (c) 2009 Dave Dupre, released under the MIT license