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