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# Redmine - project management software
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# Copyright (C) 2006-2012 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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# Other fields should be appended, not inserted!
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CORE_FIELDS = %w(assigned_to_id category_id fixed_version_id parent_issue_id start_date due_date estimated_hours done_ratio)
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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_association.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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attr_protected :field_bits
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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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scope :sorted, order("#{table_name}.position ASC")
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scope :named, lambda {|arg| where("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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position <=> tracker.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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def disabled_core_fields
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i = -1
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@disabled_core_fields ||= CORE_FIELDS.select { i += 1; (fields_bits || 0) & (2 ** i) != 0}
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end
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def core_fields
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CORE_FIELDS - disabled_core_fields
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end
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def core_fields=(fields)
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raise ArgumentError.new("Tracker.core_fields takes an array") unless fields.is_a?(Array)
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bits = 0
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CORE_FIELDS.each_with_index do |field, i|
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unless fields.include?(field)
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bits |= 2 ** i
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end
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end
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self.fields_bits = bits
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@disabled_core_fields = nil
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core_fields
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end
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# Returns the fields that are disabled for all the given trackers
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def self.disabled_core_fields(trackers)
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trackers.uniq.map(&:disabled_core_fields).reduce(:&)
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end
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# Returns the fields that are enabled for one tracker at least
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def self.core_fields(trackers)
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trackers.uniq.map(&:core_fields).reduce(:|)
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end
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private
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def check_integrity
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raise Exception.new("Can't delete tracker") if Issue.where(:tracker_id => self.id).any?
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end
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end
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