Redmine/app/controllers/search_controller.rb

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# Redmine - project management software
# Copyright (C) 2006-2012 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
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.all) : nil
else
@project
end
offset = nil
begin; offset = params[:offset].to_time if params[:offset]; rescue; 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
@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
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