obsolete.ChilliProject/app/models/issue_status.rb

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#-- encoding: UTF-8
#-- copyright
# ChiliProject is a project management system.
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#
# Copyright (C) 2010-2012 the ChiliProject Team
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#
# 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.
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#
# See doc/COPYRIGHT.rdoc for more details.
#++
class IssueStatus < ActiveRecord::Base
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before_destroy :check_integrity
has_many :workflows, :foreign_key => "old_status_id"
acts_as_list
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before_destroy :delete_workflows
validates_presence_of :name
validates_uniqueness_of :name
validates_length_of :name, :maximum => 30
validates_inclusion_of :default_done_ratio, :in => 0..100, :allow_nil => true
def after_save
IssueStatus.update_all("is_default=#{connection.quoted_false}", ['id <> ?', id]) if self.is_default?
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end
def to_liquid
IssueStatusDrop.new(self)
end
# Returns the default status for new issues
def self.default
find(:first, :conditions =>["is_default=?", true])
end
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# Update all the +Issues+ setting their done_ratio to the value of their +IssueStatus+
def self.update_issue_done_ratios
if Issue.use_status_for_done_ratio?
IssueStatus.find(:all, :conditions => ["default_done_ratio >= 0"]).each do |status|
Issue.update_all(["done_ratio = ?", status.default_done_ratio],
["status_id = ?", status.id])
end
end
return Issue.use_status_for_done_ratio?
end
# Returns an array of all statuses the given role can switch to
# Uses association cache when called more than one time
def new_statuses_allowed_to(roles, tracker, author=false, assignee=false)
if roles && tracker
role_ids = roles.collect(&:id)
transitions = workflows.select do |w|
role_ids.include?(w.role_id) &&
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w.tracker_id == tracker.id &&
(author || !w.author) &&
(assignee || !w.assignee)
end
transitions.collect{|w| w.new_status}.compact.sort
else
[]
end
end
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# Same thing as above but uses a database query
# More efficient than the previous method if called just once
def find_new_statuses_allowed_to(roles, tracker, author=false, assignee=false)
if roles && tracker
conditions = {:role_id => roles.collect(&:id), :tracker_id => tracker.id}
conditions[:author] = false unless author
conditions[:assignee] = false unless assignee
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workflows.find(:all,
:include => :new_status,
:conditions => conditions).collect{|w| w.new_status}.compact.sort
else
[]
end
end
def <=>(status)
position <=> status.position
end
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def to_s; name end
private
def check_integrity
raise "Can't delete status" if Issue.find(:first, :conditions => ["status_id=?", self.id])
end
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# Deletes associated workflows
def delete_workflows
Workflow.delete_all(["old_status_id = :id OR new_status_id = :id", {:id => id}])
end
end