diff app/controllers/search_controller.rb @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/controllers/search_controller.rb	Fri Jul 23 15:52:44 2010 +0100
@@ -0,0 +1,114 @@
+# 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.
+
+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[: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.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  
+      
+      @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