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- # Redmine - project management software
- # Copyright (C) 2006-2013 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
-
- CORE_FIELDS_UNDISABLABLE = %w(project_id tracker_id subject description priority_id is_private).freeze
- # Fields that can be disabled
- # Other (future) fields should be appended, not inserted!
- CORE_FIELDS = %w(assigned_to_id category_id fixed_version_id parent_issue_id start_date due_date estimated_hours done_ratio).freeze
- CORE_FIELDS_ALL = (CORE_FIELDS_UNDISABLABLE + CORE_FIELDS).freeze
-
- before_destroy :check_integrity
- has_many :issues
- has_many :workflow_rules, :dependent => :delete_all do
- def copy(source_tracker)
- WorkflowRule.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
-
- attr_protected :fields_bits
-
- validates_presence_of :name
- validates_uniqueness_of :name
- validates_length_of :name, :maximum => 30
-
- scope :sorted, lambda { order("#{table_name}.position ASC") }
- scope :named, lambda {|arg| where("LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip)}
-
- def to_s; name end
-
- def <=>(tracker)
- position <=> tracker.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 = WorkflowTransition.
- connection.select_rows("SELECT DISTINCT old_status_id, new_status_id FROM #{WorkflowTransition.table_name} WHERE tracker_id = #{id} AND type = 'WorkflowTransition'").
- flatten.
- uniq
-
- @issue_statuses = IssueStatus.find_all_by_id(ids).sort
- end
-
- def disabled_core_fields
- i = -1
- @disabled_core_fields ||= CORE_FIELDS.select { i += 1; (fields_bits || 0) & (2 ** i) != 0}
- end
-
- def core_fields
- CORE_FIELDS - disabled_core_fields
- end
-
- def core_fields=(fields)
- raise ArgumentError.new("Tracker.core_fields takes an array") unless fields.is_a?(Array)
-
- bits = 0
- CORE_FIELDS.each_with_index do |field, i|
- unless fields.include?(field)
- bits |= 2 ** i
- end
- end
- self.fields_bits = bits
- @disabled_core_fields = nil
- core_fields
- end
-
- # Returns the fields that are disabled for all the given trackers
- def self.disabled_core_fields(trackers)
- if trackers.present?
- trackers.uniq.map(&:disabled_core_fields).reduce(:&)
- else
- []
- end
- end
-
- # Returns the fields that are enabled for one tracker at least
- def self.core_fields(trackers)
- if trackers.present?
- trackers.uniq.map(&:core_fields).reduce(:|)
- else
- CORE_FIELDS.dup
- end
- end
-
- private
- def check_integrity
- raise Exception.new("Can't delete tracker") if Issue.where(:tracker_id => self.id).any?
- end
- end
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