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92 lines
2.6 KiB
92 lines
2.6 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) 2012-2021 the OpenProject GmbH
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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 version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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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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#
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# See docs/COPYRIGHT.rdoc for more details.
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#++
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require_relative './base_contract'
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##
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# Model contract for AR records that
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# support change tracking
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class ModelContract < BaseContract
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def valid?(*args)
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super()
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readonly_attributes_unchanged
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# Allow subclasses to check only contract errors
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return errors.empty? unless validate_model?
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model.valid?
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# We need to merge the contract errors with the model errors in
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# order to have them available at one place.
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# This is something we need as long as we have validations split
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# among the model and its contract.
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errors.merge!(model.errors)
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errors.empty?
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end
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protected
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##
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# Allow subclasses to disable model validation
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# during contract validation.
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#
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# This is necessary during, e.g., deletion contract validations
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# to ensure invalid models can be deleted when allowed.
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def validate_model?
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true
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end
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private
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def readonly_attributes_unchanged
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invalid_changes = attributes_changed_by_user - writable_attributes
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invalid_changes.each do |attribute|
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outside_attribute = collect_ancestor_attribute_aliases[attribute] || attribute
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errors.add outside_attribute, :error_readonly
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end
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end
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def attributes_changed_by_user
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changed = changed_attributes
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if options[:changed_by_system]
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changed -= options[:changed_by_system]
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end
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changed
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end
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def changed_attributes
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model.changed
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end
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end
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