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# Redmine - project management software
# Copyright (C) 2006-2016 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
belongs_to :default_status, :class_name => 'IssueStatus'
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_positioned
attr_protected :fields_bits
validates_presence_of :default_status
validates_presence_of :name
validates_uniqueness_of :name
validates_length_of :name, :maximum => 30
scope :sorted, lambda { order(:position) }
scope :named, lambda {|arg| where("LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip)}
# Returns the trackers that are visible by the user.
#
# Examples:
# project.trackers.visible(user)
# => returns the trackers that are visible by the user in project
#
# Tracker.visible(user)
# => returns the trackers that are visible by the user in at least on project
scope :visible, lambda {|*args|
user = args.shift || User.current
condition = Project.allowed_to_condition(user, :view_issues) do |role, user|
unless role.permissions_all_trackers?(:view_issues)
tracker_ids = role.permissions_tracker_ids(:view_issues)
if tracker_ids.any?
"#{Tracker.table_name}.id IN (#{tracker_ids.join(',')})"
else
'1=0'
end
end
end
joins(:projects).where(condition).uniq
}
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
@issue_statuses ||= IssueStatus.where(:id => issue_status_ids).to_a.sort
end
def issue_status_ids
if new_record?
[]
else
@issue_status_ids ||= WorkflowTransition.where(:tracker_id => id).uniq.pluck(:old_status_id, :new_status_id).flatten.uniq
end
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.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("Cannot delete tracker") if Issue.where(:tracker_id => self.id).any?
end
end
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