112 lines
4.3 KiB
Ruby
112 lines
4.3 KiB
Ruby
# redMine - project management software
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# Copyright (C) 2006 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class SearchController < ApplicationController
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layout 'base'
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before_filter :find_optional_project
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helper :messages
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include MessagesHelper
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def index
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@question = params[:q] || ""
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@question.strip!
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@all_words = params[:all_words] || (params[:submit] ? false : true)
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@titles_only = !params[:titles_only].nil?
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offset = nil
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begin; offset = params[:offset].to_time if params[:offset]; rescue; end
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# quick jump to an issue
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if @question.match(/^#?(\d+)$/) && Issue.find_by_id($1, :include => :project, :conditions => Project.visible_by(User.current))
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redirect_to :controller => "issues", :action => "show", :id => $1
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return
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end
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if @project
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# only show what the user is allowed to view
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@object_types = %w(issues news documents changesets wiki_pages messages)
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@object_types = @object_types.select {|o| User.current.allowed_to?("view_#{o}".to_sym, @project)}
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@scope = @object_types.select {|t| params[t]}
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@scope = @object_types if @scope.empty?
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else
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@object_types = @scope = %w(projects)
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end
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# extract tokens from the question
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# eg. hello "bye bye" => ["hello", "bye bye"]
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@tokens = @question.scan(%r{((\s|^)"[\s\w]+"(\s|$)|\S+)}).collect {|m| m.first.gsub(%r{(^\s*"\s*|\s*"\s*$)}, '')}
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# tokens must be at least 3 character long
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@tokens = @tokens.uniq.select {|w| w.length > 2 }
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if !@tokens.empty?
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# no more than 5 tokens to search for
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@tokens.slice! 5..-1 if @tokens.size > 5
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# strings used in sql like statement
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like_tokens = @tokens.collect {|w| "%#{w.downcase}%"}
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@results = []
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limit = 10
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if @project
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@scope.each do |s|
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@results += s.singularize.camelcase.constantize.search(like_tokens, @project,
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:all_words => @all_words,
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:titles_only => @titles_only,
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:limit => (limit+1),
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:offset => offset,
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:before => params[:previous].nil?)
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end
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@results = @results.sort {|a,b| b.event_datetime <=> a.event_datetime}
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if params[:previous].nil?
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@pagination_previous_date = @results[0].event_datetime if offset && @results[0]
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if @results.size > limit
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@pagination_next_date = @results[limit-1].event_datetime
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@results = @results[0, limit]
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end
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else
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@pagination_next_date = @results[-1].event_datetime if offset && @results[-1]
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if @results.size > limit
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@pagination_previous_date = @results[-(limit)].event_datetime
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@results = @results[-(limit), limit]
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end
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end
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else
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operator = @all_words ? ' AND ' : ' OR '
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@results += Project.find(:all,
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:limit => limit,
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:conditions => [ (["(#{Project.visible_by(User.current)}) AND (LOWER(name) like ? OR LOWER(description) like ?)"] * like_tokens.size).join(operator), * (like_tokens * 2).sort]
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) if @scope.include? 'projects'
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# if only one project is found, user is redirected to its overview
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redirect_to :controller => 'projects', :action => 'show', :id => @results.first and return if @results.size == 1
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end
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else
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@question = ""
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end
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render :layout => false if request.xhr?
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end
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private
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def find_optional_project
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return true unless params[:id]
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@project = Project.find(params[:id])
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check_project_privacy
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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end
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