view app/controllers/search_controller.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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.

class SearchController < ApplicationController
  before_filter :find_optional_project

  helper :messages
  include MessagesHelper

  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.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.visible.find_by_id($1.to_i)
      redirect_to :controller => "issues", :action => "show", :id => $1
      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

      @project_matches = []
      @results = []
      @results_by_type = Hash.new {|h,k| h[k] = 0}

      limit = 10
      @scope.each do |s|
        r, c = s.singularize.camelcase.constantize.search(@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
        if s == 'projects'
          r, c = s.singularize.camelcase.constantize.search(@tokens, nil,
                                                            :all_words => @all_words,
                                                            :titles_only => 1)
          @project_matches += r
        end
      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

private
  def find_optional_project
    return true unless params[:id]
    @project = Project.find(params[:id])
    check_project_privacy
  rescue ActiveRecord::RecordNotFound
    render_404
  end
end