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# Redmine - project management software
# Copyright (C) 2006-2011 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 Tracker < ActiveRecord::Base
before_destroy :check_integrity
has_many :issues
has_many :workflows, :dependent => :delete_all do
def copy(source_tracker)
Workflow.copy(source_tracker, nil, proxy_association.owner, nil)
end
end
has_and_belongs_to_many :projects
has_and_belongs_to_many :custom_fields, :class_name => 'IssueCustomField', :join_table => "#{table_name_prefix}custom_fields_trackers#{table_name_suffix}", :association_foreign_key => 'custom_field_id'
acts_as_list
validates_presence_of :name
validates_uniqueness_of :name
validates_length_of :name, :maximum => 30
scope :named, lambda {|arg| { :conditions => ["LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip]}}
def to_s; name end
def <=>(tracker)
name <=> tracker.name
end
def self.all
find(:all, :order => 'position')
end
# Returns an array of IssueStatus that are used
# in the tracker's workflows
def issue_statuses
if @issue_statuses
return @issue_statuses
elsif new_record?
return []
end
ids = Workflow.
connection.select_rows("SELECT DISTINCT old_status_id, new_status_id FROM #{Workflow.table_name} WHERE tracker_id = #{id}").
flatten.
uniq
@issue_statuses = IssueStatus.find_all_by_id(ids).sort
end
private
def check_integrity
raise "Can't delete tracker" if Issue.find(:first, :conditions => ["tracker_id=?", self.id])
end
end
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