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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
-
- named_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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