Class: SearchController

Inherits:
ApplicationController show all
Includes:
MessagesHelper
Defined in:
app/controllers/search_controller.rb

Overview

redMine - project management software Copyright (C) 2006 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.

Instance Method Summary (collapse)

Methods included from MessagesHelper

#link_to_message

Methods inherited from ApplicationController

accept_key_auth, #accept_key_auth_actions, #attach_files, #authorize, #check_if_login_required, #check_project_privacy, #current_role, #deny_access, #filename_for_content_disposition, #find_current_user, #logged_user=, #parse_qvalues, #per_page_option, #redirect_back_or_default, #render_403, #render_404, #render_error, #render_feed, #require_admin, #require_login, #set_localization, #user_setup

Methods included from Redmine::MenuManager::MenuController

#current_menu_item, included, #menu_items, #redirect_to_project_menu_item

Methods included from Redmine::I18n

#current_language, #day_name, #find_language, #format_date, #format_time, included, #l, #l_hours, #l_or_humanize, #ll, #month_name, #set_language_if_valid, #valid_languages

Instance Method Details

- (Object) index



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# File 'app/controllers/search_controller.rb', line 24

def index
  @question = params[:q] || ""
  @question.strip!
  @all_words = params[:all_words] || (params[:submit] ? false : true)
  @titles_only = !params[:titles_only].nil?
  
  projects_to_search =
    case params[:scope]
    when 'all'
      nil
    when 'my_projects'
      User.current.memberships.collect(&:project)
    when 'subprojects'
      @project ? (@project.self_and_descendants.active) : nil
    else
      @project
    end
        
  offset = nil
  begin; offset = params[:offset].to_time if params[:offset]; rescue; end
  
  # quick jump to an issue
  if @question.match(/^#?(\d+)$/) && Issue.find_by_id($1, :include => :project, :conditions => Project.visible_by(User.current))
    redirect_to :controller => "issues", :action => "show", :id => $1
    return
  end
  
  @object_types = %w(issues news documents changesets wiki_pages messages projects)
  if projects_to_search.is_a? Project
    # don't search projects
    @object_types.delete('projects')
    # only show what the user is allowed to view
    @object_types = @object_types.select {|o| User.current.allowed_to?("view_#{o}".to_sym, projects_to_search)}
  end
    
  @scope = @object_types.select {|t| params[t]}
  @scope = @object_types if @scope.empty?
  
  # extract tokens from the question
  # eg. hello "bye bye" => ["hello", "bye bye"]
  @tokens = @question.scan(%r{((\s|^)"[\s\w]+"(\s|$)|\S+)}).collect {|m| m.first.gsub(%r{(^\s*"\s*|\s*"\s*$)}, '')}
  # tokens must be at least 3 character long
  @tokens = @tokens.uniq.select {|w| w.length > 2 }
  
  if !@tokens.empty?
    # no more than 5 tokens to search for
    @tokens.slice! 5..-1 if @tokens.size > 5
    # strings used in sql like statement
    like_tokens = @tokens.collect {|w| "%#{w.downcase}%"}      
    
    @results = []
    @results_by_type = Hash.new {|h,k| h[k] = 0}
    
    limit = 10
    @scope.each do |s|
      r, c = s.singularize.camelcase.constantize.search(like_tokens, projects_to_search,
        :all_words => @all_words,
        :titles_only => @titles_only,
        :limit => (limit+1),
        :offset => offset,
        :before => params[:previous].nil?)
      @results += r
      @results_by_type[s] += c
    end
    @results = @results.sort {|a,b| b.event_datetime <=> a.event_datetime}
    if params[:previous].nil?
      @pagination_previous_date = @results[0].event_datetime if offset && @results[0]
      if @results.size > limit
        @pagination_next_date = @results[limit-1].event_datetime 
        @results = @results[0, limit]
      end
    else
      @pagination_next_date = @results[-1].event_datetime if offset && @results[-1]
      if @results.size > limit
        @pagination_previous_date = @results[-(limit)].event_datetime 
        @results = @results[-(limit), limit]
      end
    end
  else
    @question = ""
  end
  render :layout => false if request.xhr?
end