Added time report.

Report can be generated by member/activity/tracker/version and year/month/week for the selected period.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@572 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/timelog_controller.rb

@@ -1,13 +1,106 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  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 TimelogController < ApplicationController
   layout 'base'
   
   before_filter :find_project
   before_filter :authorize, :only => :edit
-  before_filter :check_project_privacy, :only => :details
+  before_filter :check_project_privacy, :except => :edit
 
   helper :sort
   include SortHelper
   
+  def report
+    @available_criterias = { 'version' => {:sql => "#{Issue.table_name}.fixed_version_id",
+                                          :values => @project.versions,
+                                          :label => :label_version},
+                             'category' => {:sql => "#{Issue.table_name}.category_id",
+                                            :values => @project.issue_categories,
+                                            :label => :field_category},
+                             'member' => {:sql => "#{TimeEntry.table_name}.user_id",
+                                         :values => @project.users,
+                                         :label => :label_member},
+                             'tracker' => {:sql => "#{Issue.table_name}.tracker_id",
+                                          :values => Tracker.find(:all),
+                                          :label => :label_tracker},
+                             'activity' => {:sql => "#{TimeEntry.table_name}.activity_id",
+                                           :values => Enumeration::get_values('ACTI'),
+                                           :label => :label_activity}
+                           }
+    
+    @criterias = params[:criterias] || []
+    @criterias = @criterias.select{|criteria| @available_criterias.has_key? criteria}
+    @criterias.uniq!
+    
+    @columns = (params[:period] && %w(year month week).include?(params[:period])) ? params[:period] : 'month'
+    
+    if params[:date_from]
+      begin; @date_from = params[:date_from].to_date; rescue; end
+    end
+    if params[:date_to]
+      begin; @date_to = params[:date_to].to_date; rescue; end
+    end
+    @date_from ||= Date.civil(Date.today.year, 1, 1)
+    @date_to ||= Date.civil(Date.today.year, Date.today.month+1, 1) - 1
+    
+    unless @criterias.empty?
+      sql_select = @criterias.collect{|criteria| @available_criterias[criteria][:sql] + " AS " + criteria}.join(', ')
+      sql_group_by = @criterias.collect{|criteria| @available_criterias[criteria][:sql]}.join(', ')
+      
+      sql = "SELECT #{sql_select}, tyear, tmonth, tweek, SUM(hours) AS hours"
+      sql << " FROM #{TimeEntry.table_name} LEFT JOIN #{Issue.table_name} ON #{TimeEntry.table_name}.issue_id = #{Issue.table_name}.id"
+      sql << " WHERE spent_on BETWEEN '%s' AND '%s'" % [ActiveRecord::Base.connection.quoted_date(@date_from.to_time), ActiveRecord::Base.connection.quoted_date(@date_to.to_time)]
+      sql << " GROUP BY #{sql_group_by}, tyear, tmonth, tweek"
+      
+      @hours = ActiveRecord::Base.connection.select_all(sql)
+      
+      @hours.each do |row|
+        case @columns
+        when 'year'
+          row['year'] = row['tyear']
+        when 'month'
+          row['month'] = "#{row['tyear']}-#{row['tmonth']}"
+        when 'week'
+          row['week'] = "#{row['tyear']}-#{row['tweek']}"
+        end
+      end
+    end
+       
+    @periods = []
+    date_from = @date_from
+    # 100 columns max
+    while date_from < @date_to && @periods.length < 100
+      case @columns
+      when 'year'
+        @periods << "#{date_from.year}"
+        date_from = date_from >> 12
+      when 'month'
+        @periods << "#{date_from.year}-#{date_from.month}"
+        date_from = date_from >> 1
+      when 'week'
+        @periods << "#{date_from.year}-#{date_from.cweek}"
+        date_from = date_from + 7
+      end
+    end
+    
+    render :layout => false if request.xhr?
+  end
+  
   def details
     sort_init 'spent_on', 'desc'
     sort_update