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# redMine - project management software
# Copyright (C) 2006-2007 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
module Redmine
module Acts
module Searchable
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
def acts_as_searchable(options = {})
return if self.included_modules.include?(Redmine::Acts::Searchable::InstanceMethods)
cattr_accessor :searchable_options
self.searchable_options = options
if searchable_options[:columns].nil?
raise 'No searchable column defined.'
elsif !searchable_options[:columns].is_a?(Array)
searchable_options[:columns] = [] << searchable_options[:columns]
end
if searchable_options[:project_key]
elsif column_names.include?('project_id')
searchable_options[:project_key] = "#{table_name}.project_id"
else
raise 'No project key defined.'
end
if searchable_options[:date_column]
elsif column_names.include?('created_on')
searchable_options[:date_column] = "#{table_name}.created_on"
else
raise 'No date column defined defined.'
end
# Should we search custom fields on this model ?
searchable_options[:search_custom_fields] = !reflect_on_association(:custom_values).nil?
send :include, Redmine::Acts::Searchable::InstanceMethods
end
end
module InstanceMethods
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
def search(tokens, project, options={})
tokens = [] << tokens unless tokens.is_a?(Array)
find_options = {:include => searchable_options[:include]}
find_options[:limit] = options[:limit] if options[:limit]
find_options[:order] = "#{searchable_options[:date_column]} " + (options[:before] ? 'DESC' : 'ASC')
columns = searchable_options[:columns]
columns.slice!(1..-1) if options[:titles_only]
token_clauses = columns.collect {|column| "(LOWER(#{column}) LIKE ?)"}
if !options[:titles_only] && searchable_options[:search_custom_fields]
searchable_custom_field_ids = CustomField.find(:all,
:select => 'id',
:conditions => { :type => "#{self.name}CustomField",
:searchable => true }).collect(&:id)
if searchable_custom_field_ids.any?
custom_field_sql = "#{table_name}.id IN (SELECT customized_id FROM #{CustomValue.table_name}" +
" WHERE customized_type='#{self.name}' AND customized_id=#{table_name}.id AND LOWER(value) LIKE ?" +
" AND #{CustomValue.table_name}.custom_field_id IN (#{searchable_custom_field_ids.join(',')}))"
token_clauses << custom_field_sql
end
end
sql = (['(' + token_clauses.join(' OR ') + ')'] * tokens.size).join(options[:all_words] ? ' AND ' : ' OR ')
if options[:offset]
sql = "(#{sql}) AND (#{searchable_options[:date_column]} " + (options[:before] ? '<' : '>') + "'#{connection.quoted_date(options[:offset])}')"
end
find_options[:conditions] = [sql, * (tokens * token_clauses.size).sort]
results = with_scope(:find => {:conditions => ["#{searchable_options[:project_key]} = ?", project.id]}) do
find(:all, find_options)
end
if searchable_options[:with] && !options[:titles_only]
searchable_options[:with].each do |model, assoc|
results += model.to_s.camelcase.constantize.search(tokens, project, options).collect {|r| r.send assoc}
end
results.uniq!
end
results
end
end
end
end
end
end
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