Class: SearchController

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

Overview

Redmine - project management software Copyright (C) 2006-2014 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 inherited from ApplicationController

#_include_layout?, accept_api_auth, #accept_api_auth?, accept_rss_auth, #accept_rss_auth?, #api_key_from_request, #api_offset_and_limit, #api_request?, #api_switch_user_from_request, #authorize, #authorize_global, #autologin_cookie_name, #back_url, #check_if_login_required, #check_password_change, #check_project_privacy, #deny_access, #filename_for_content_disposition, #find_attachments, #find_current_user, #find_issue, #find_issues, #find_model_object, #find_project, #find_project_by_project_id, #find_project_from_association, #force_logout_if_password_changed, #handle_unverified_request, #logged_user=, #logout_user, #missing_template, model_object, #parse_qvalues, #per_page_option, #query_statement_invalid, #redirect_back_or_default, #redirect_to_referer_or, #render_403, #render_404, #render_api_head, #render_api_ok, #render_attachment_warning_if_needed, #render_error, #render_feed, #render_validation_errors, #require_admin, #require_admin_or_api_request, #require_login, #session_expiration, #session_expired?, #set_localization, #start_user_session, #try_to_autologin, #use_layout, #user_setup, #verify_authenticity_token

Methods included from Redmine::MenuManager::MenuController

#current_menu_item, included, #menu_items, #redirect_to_project_menu_item

Methods included from Redmine::Search::Controller

#default_search_scope, #default_search_scopes, included

Methods included from RoutesHelper

#_new_time_entry_path, #_project_calendar_path, #_project_gantt_path, #_project_issues_path, #_report_time_entries_path, #_time_entries_path

Methods included from Redmine::Pagination

#deprecated_paginate, #paginate, #paginator

Methods included from Redmine::I18n

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

Instance Method Details

#indexObject


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# File 'app/controllers/search_controller.rb', line 21

def index
  @question = params[:q] || ""
  @question.strip!
  @all_words = params[:all_words] ? params[:all_words].present? : true
  @titles_only = params[:titles_only] ? params[:titles_only].present? : false

  projects_to_search =
    case params[:scope]
    when 'all'
      nil
    when 'my_projects'
      User.current.projects
    when 'subprojects'
      @project ? (@project.self_and_descendants.active.to_a) : nil
    else
      @project
    end

  # quick jump to an issue
  if (m = @question.match(/^#?(\d+)$/)) && (issue = Issue.visible.find_by_id(m[1].to_i))
    redirect_to issue_path(issue)
    return
  end

  @object_types = Redmine::Search.available_search_types.dup
  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 2 characters long
  @tokens = @tokens.uniq.select {|w| w.length > 1 }

  if !@tokens.empty?
    # no more than 5 tokens to search for
    @tokens.slice! 5..-1 if @tokens.size > 5

    limit = 10

    @result_count = 0
    @result_count_by_type = Hash.new {|h,k| h[k] = 0}
    ranks_and_ids = []

    # get all the results ranks and ids
    @scope.each do |scope|
      klass = scope.singularize.camelcase.constantize
      ranks_and_ids_in_scope = klass.search_result_ranks_and_ids(@tokens, User.current, projects_to_search,
        :all_words => @all_words,
        :titles_only => @titles_only
      )
      @result_count_by_type[scope] += ranks_and_ids_in_scope.size
      @result_count += ranks_and_ids_in_scope.size
      ranks_and_ids += ranks_and_ids_in_scope.map {|r| [scope, r]}
    end
    @result_pages = Paginator.new @result_count, limit, params['page']

    # sort results, higher rank and id first
    ranks_and_ids.sort! {|a,b| b.last <=> a.last }
    ranks_and_ids = ranks_and_ids[@result_pages.offset, limit] || []

    # load the results to display
    results_by_scope = Hash.new {|h,k| h[k] = []}
    ranks_and_ids.group_by(&:first).each do |scope, rs|
      klass = scope.singularize.camelcase.constantize
      results_by_scope[scope] += klass.search_results_from_ids(rs.map(&:last).map(&:last))
    end

    @results = ranks_and_ids.map do |scope, r|
      results_by_scope[scope].detect {|record| record.id == r.last}
    end.compact
  else
    @question = ""
  end
  render :layout => false if request.xhr?
end