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# 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 Workflow < ActiveRecord::Base
belongs_to :role
belongs_to :old_status, :class_name => 'IssueStatus', :foreign_key => 'old_status_id'
belongs_to :new_status, :class_name => 'IssueStatus', :foreign_key => 'new_status_id'
validates_presence_of :role, :old_status, :new_status
# Returns workflow transitions count by tracker and role
def self.count_by_tracker_and_role
counts = connection.select_all("SELECT role_id, tracker_id, count(id) AS c FROM #{Workflow.table_name} GROUP BY role_id, tracker_id")
roles = Role.find(:all, :order => 'builtin, position')
trackers = Tracker.find(:all, :order => 'position')
result = []
trackers.each do |tracker|
t = []
roles.each do |role|
row = counts.detect {|c| c['role_id'] == role.id.to_s && c['tracker_id'] == tracker.id.to_s}
t << [role, (row.nil? ? 0 : row['c'].to_i)]
end
result << [tracker, t]
end
result
end
end
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