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module ActiveRecord
module AttributeMethods
module Write
extend ActiveSupport::Concern
included do
attribute_method_suffix "="
end
module ClassMethods
protected
def define_method_attribute=(attr_name)
if self.serialized_attributes[attr_name]
generated_attribute_methods.send(:define_method, "#{attr_name}=") do |new_value|
if new_value.is_a?(String) and new_value =~ /^---/
raise ActiveRecordError, "You tried to assign already serialized content to #{attr_name}. This is disabled due to security issues."
end
write_attribute(attr_name, new_value)
end
elsif attr_name =~ /^[a-zA-Z_]\w*[!?=]?$/
generated_attribute_methods.module_eval("def #{attr_name}=(new_value); write_attribute('#{attr_name}', new_value); end", __FILE__, __LINE__)
else
generated_attribute_methods.send(:define_method, "#{attr_name}=") do |new_value|
write_attribute(attr_name, new_value)
end
end
end
end
# Updates the attribute identified by <tt>attr_name</tt> with the specified +value+. Empty strings
# for fixnum and float columns are turned into +nil+.
def write_attribute(attr_name, value)
attr_name = attr_name.to_s
attr_name = self.class.primary_key if attr_name == 'id'
@attributes_cache.delete(attr_name)
if (column = column_for_attribute(attr_name)) && column.number?
@attributes[attr_name] = convert_number_column_value(value)
else
@attributes[attr_name] = value
end
end
private
# Handle *= for method_missing.
def attribute=(attribute_name, value)
write_attribute(attribute_name, value)
end
end
end
end
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