27 lines
918 B
Ruby
27 lines
918 B
Ruby
class ActiveRecord::Base
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# given a hash of attributes including the ID, look up the record by ID.
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# uses whatever the PK of the model is to do the lookup
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# If it does not exist, it is created with the rest of the options.
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# If it exists, it is updated with the given options.
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#
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# Raises an exception if the record is invalid to ensure seed data is loaded correctly.
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# Pass :perform_validations => false to skip validations in the model.
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#
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# Returns the record.
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def self.create_or_update(options = {})
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id = options.delete(primary_key.to_sym)
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validate = options.delete(:perform_validations){|k| true}
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record = send("find_by_#{primary_key}", id) || new
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record.id = id
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if validate
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record.attributes = options
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record.save!
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else
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options.each do |key, value|
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record.send("#{key}=", value)
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end
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record.save(false)
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end
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record
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end
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end |