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# Redmine - project management software
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# Copyright (C) 2006-2011 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Tracker < ActiveRecord::Base
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before_destroy :check_integrity
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has_many :issues
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has_many :workflows, :dependent => :delete_all do
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def copy(source_tracker)
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Workflow.copy(source_tracker, nil, proxy_owner, nil)
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end
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end
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has_and_belongs_to_many :projects
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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'
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acts_as_list
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validates_presence_of :name
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validates_uniqueness_of :name
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validates_length_of :name, :maximum => 30
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named_scope :named, lambda {|arg| { :conditions => ["LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip]}}
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def to_s; name end
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def <=>(tracker)
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name <=> tracker.name
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end
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def self.all
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find(:all, :order => 'position')
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end
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# Returns an array of IssueStatus that are used
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# in the tracker's workflows
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def issue_statuses
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if @issue_statuses
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return @issue_statuses
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elsif new_record?
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return []
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end
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ids = Workflow.
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connection.select_rows("SELECT DISTINCT old_status_id, new_status_id FROM #{Workflow.table_name} WHERE tracker_id = #{id}").
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flatten.
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uniq
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@issue_statuses = IssueStatus.find_all_by_id(ids).sort
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end
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private
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def check_integrity
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raise "Can't delete tracker" if Issue.find(:first, :conditions => ["tracker_id=?", self.id])
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end
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end
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