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# redMine - project management software
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# Copyright (C) 2006 Jean-Philippe Lang
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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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class CustomValue < ActiveRecord::Base
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belongs_to :custom_field
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belongs_to :customized, :polymorphic => true
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def after_initialize
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if new_record? && custom_field && (customized_type.blank? || (customized && customized.new_record?))
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self.value ||= custom_field.default_value
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end
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end
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# Returns true if the boolean custom value is true
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def true?
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self.value == '1'
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end
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def editable?
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custom_field.editable?
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end
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def required?
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custom_field.is_required?
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end
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def to_s
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value.to_s
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end
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protected
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def validate
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if value.blank?
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errors.add(:value, :blank) if custom_field.is_required? and value.blank?
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else
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errors.add(:value, :invalid) unless custom_field.regexp.blank? or value =~ Regexp.new(custom_field.regexp)
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errors.add(:value, :too_short, :count => custom_field.min_length) if custom_field.min_length > 0 and value.length < custom_field.min_length
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errors.add(:value, :too_long, :count => custom_field.max_length) if custom_field.max_length > 0 and value.length > custom_field.max_length
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# Format specific validations
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case custom_field.field_format
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when 'int'
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errors.add(:value, :not_a_number) unless value =~ /^[+-]?\d+$/
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when 'float'
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begin; Kernel.Float(value); rescue; errors.add(:value, :invalid) end
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when 'date'
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errors.add(:value, :not_a_date) unless value =~ /^\d{4}-\d{2}-\d{2}$/
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when 'list'
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errors.add(:value, :inclusion) unless custom_field.possible_values.include?(value)
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end
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end
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end
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end
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