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# Redmine - project management software
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# Copyright (C) 2006-2015 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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CORE_FIELDS_UNDISABLABLE = %w(project_id tracker_id subject description priority_id is_private).freeze
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# Fields that can be disabled
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# Other (future) 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).freeze
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CORE_FIELDS_ALL = (CORE_FIELDS_UNDISABLABLE + CORE_FIELDS).freeze
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before_destroy :check_integrity
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belongs_to :default_status, :class_name => 'IssueStatus'
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has_many :issues
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has_many :workflow_rules, :dependent => :delete_all do
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def copy(source_tracker)
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WorkflowRule.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 :fields_bits
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validates_presence_of :default_status
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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, lambda { order(:position) }
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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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@issue_statuses ||= IssueStatus.where(:id => issue_status_ids).to_a.sort
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end
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def issue_status_ids
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if new_record?
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[]
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else
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@issue_status_ids ||= WorkflowTransition.where(:tracker_id => id).uniq.pluck(:old_status_id, :new_status_id).flatten.uniq
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end
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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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if trackers.present?
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trackers.map(&:disabled_core_fields).reduce(:&)
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else
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[]
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end
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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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if trackers.present?
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trackers.uniq.map(&:core_fields).reduce(:|)
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else
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CORE_FIELDS.dup
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end
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end
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private
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def check_integrity
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raise Exception.new("Cannot delete tracker") if Issue.where(:tracker_id => self.id).any?
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end
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end
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