OpenProject is the leading open source project management software.
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openproject/db/migrate/20130918111753_migrate_user...

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#-- 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.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
require 'yaml'
require_relative 'migration_utils/utils'
class MigrateUserRights < ActiveRecord::Migration
include Migration::Utils
COLUMN = 'permissions'
PERMISSIONS = {
view_issues: :view_work_packages,
add_issues: :add_work_packages,
edit_issues: :edit_work_packages,
move_issues: :move_work_packages,
delete_issues: :delete_work_packages,
export_issues: :export_work_packages,
manage_issue_relations: :manage_work_package_relations,
add_issue_notes: :add_work_package_notes,
edit_issue_notes: :edit_work_package_notes,
view_issue_watchers: :view_work_package_watchers,
add_issue_watchers: :add_work_package_watchers,
delete_issue_watchers: :delete_work_package_watchers,
view_planning_elements: :view_work_packages,
edit_planning_elements: :edit_work_packages,
delete_planning_elements: :delete_work_packages,
edit_own_issue_notes: :edit_own_work_package_notes,
move_planning_elements_to_trash: nil
}
def up
say_with_time_silently "Update role permissions" do
update_column_values('roles', [COLUMN], update_role_permissions(PERMISSIONS), filter)
end
end
def down
# select only nonambiguous permissions
permissions = PERMISSIONS.select {|k, v| PERMISSIONS.values.count(v) == 1}
say_with_time_silently "Restore role permissions" do
update_column_values('roles', [COLUMN], update_role_permissions(permissions.invert), filter)
end
ambiguous_permissions = PERMISSIONS.select {|k, v| PERMISSIONS.values.count(v) > 1}
.keys
say <<-WARNING
This down migration can't restore the following permission: #{ambiguous_permissions.inspect}
WARNING
end
private
def filter
"#{COLUMN} LIKE '%issue%' OR #{COLUMN} LIKE '%planning_element%'"
end
def update_role_permissions(permissions)
Proc.new do |row|
unless row[COLUMN].nil?
role_permissions = YAML.load row[COLUMN]
role_permissions.map! {|p| permissions.has_key?(p) ? permissions[p] : p}
row[COLUMN] = YAML.dump role_permissions.flatten
end
UpdateResult.new(row, true)
end
end
end