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107 lines
3.1 KiB
107 lines
3.1 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
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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 doc/COPYRIGHT.rdoc for more details.
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#++
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#
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# User for tasks like migrations
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#
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class SystemUser < User
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module DisableCustomizable
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def self.included(base)
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# Prevent save_custom_field_values method from running.
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# I am not sure why this is necessary so this can be considered a hack.
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#
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# The symptoms are, that saving User.system, which will happen when calling
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# User.system.run_given, from inside a migration fails.
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#
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# The callback sends self.custom_values which leads to an error
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# stating that no column "name", "default_value" or "possible_values"
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# exists in the db. It is correct that such a field does not exist, as those are
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# translated attributes so that they are to be found in custom_field_translations.
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#
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# It seems to me that CustomField is not correctly instrumented by globalize3 which
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# should delegate attribute assignment to any such column to the translation table.
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base.skip_callback :save, :after, :save_custom_field_values
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end
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def available_custom_fields
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[]
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end
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end
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include DisableCustomizable
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validate :validate_unique_system_user, on: :create
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# There should be only one SystemUser in the database
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def validate_unique_system_user
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errors.add :base, 'A SystemUser already exists.' if SystemUser.find(:first)
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end
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# Overrides a few properties
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def logged?; false end
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def name(*_args); 'System' end
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def mail; nil end
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def time_zone; nil end
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def rss_key; nil end
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def destroy; false end
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def grant_privileges
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self.admin = true
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self.status = STATUSES[:builtin]
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end
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def remove_privileges
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self.admin = false
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self.status = STATUSES[:locked]
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end
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def run_given(&_block)
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if block_given?
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grant_privileges
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old_user = User.current
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User.current = self
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begin
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yield
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ensure
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remove_privileges
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User.current = old_user
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end
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else
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raise 'no block given'
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end
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end
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end
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