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Versions: 10
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Contents
class AttributeValue < ActiveRecord::Base
belongs_to :attributed_record, :polymorphic => true
belongs_to :attribute_type
validates_format_of :value, :with => /\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}/, :if => :is_date?
after_destroy :remove_unused_types
def is_date?
self.attribute_type.data_type == 'Date' ? true : false
end
def value_as_data_type
data_type = self.attribute_type.data_type
case data_type
when "Date"
self.value.to_date
when "Boolean"
self.value == "true" ? true : false
when "Int"
self.value.to_i
when "Float"
self.value.to_f
else
self.value
end
end
def value_as_date
if self.is_date?
self.value.to_date
else
raise "value is not a Date or is not properly formated"
end
end
def remove_unused_types
AttributeType.includes(:attribute_values).joins('LEFT OUTER JOIN attribute_values on attribute_values.attribute_type_id = attribute_types.id').where('attribute_values.id is null').each do |type|
type.destroy
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems