OpenProject is the leading open source project management software.
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openproject/app/models/workflow.rb

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#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2013 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
class Workflow < ActiveRecord::Base
belongs_to :role
belongs_to :old_status, :class_name => 'Status', :foreign_key => 'old_status_id'
belongs_to :new_status, :class_name => 'Status', :foreign_key => 'new_status_id'
#attr_protected :role_id
validates_presence_of :role, :old_status, :new_status
# Returns workflow transitions count by type and role
def self.count_by_type_and_role
counts = connection.select_all("SELECT role_id, type_id, count(id) AS c FROM #{Workflow.table_name} GROUP BY role_id, type_id")
roles = Role.find(:all, :order => 'builtin, position')
types = Type.find(:all, :order => 'position')
result = []
types.each do |type|
t = []
roles.each do |role|
row = counts.detect {|c| c['role_id'].to_s == role.id.to_s && c['type_id'].to_s == type.id.to_s}
t << [role, (row.nil? ? 0 : row['c'].to_i)]
end
result << [type, t]
end
result
end
# Find potential statuses the user could be allowed to switch issues to
def self.available_statuses(project, user=User.current)
Workflow.find(:all,
:include => :new_status,
:conditions => {:role_id => user.roles_for_project(project).collect(&:id)}).
collect(&:new_status).
compact.
uniq.
sort
end
# Copies workflows from source to targets
def self.copy(source_type, source_role, target_types, target_roles)
unless source_type.is_a?(Type) || source_role.is_a?(Role)
raise ArgumentError.new("source_type or source_role must be specified")
end
target_types = Array(target_types)
target_types = Type.all if target_types.empty?
target_roles = Array(target_roles)
target_roles = Role.all if target_roles.empty?
target_types.each do |target_type|
target_roles.each do |target_role|
copy_one(source_type || target_type,
source_role || target_role,
target_type,
target_role)
end
end
end
# Copies a single set of workflows from source to target
def self.copy_one(source_type, source_role, target_type, target_role)
unless source_type.is_a?(Type) && !source_type.new_record? &&
source_role.is_a?(Role) && !source_role.new_record? &&
target_type.is_a?(Type) && !target_type.new_record? &&
target_role.is_a?(Role) && !target_role.new_record?
raise ArgumentError.new("arguments can not be nil or unsaved objects")
end
if source_type == target_type && source_role == target_role
false
else
transaction do
delete_all :type_id => target_type.id, :role_id => target_role.id
connection.insert "INSERT INTO #{Workflow.table_name} (type_id, role_id, old_status_id, new_status_id)" +
" SELECT #{target_type.id}, #{target_role.id}, old_status_id, new_status_id" +
" FROM #{Workflow.table_name}" +
" WHERE type_id = #{source_type.id} AND role_id = #{source_role.id}"
end
true
end
end
end