Created
April 28, 2014 16:09
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Unique numbering DSL
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| class Model < ActiveRecord::Base | |
| # setzt :invoice_id Attribut im before_create | |
| has_unique :invoice_id, | |
| scoped_by: lambda{ Time.new.year }, | |
| formatter: lambda{ |scope, value| sprintf("R-%04d-%04d", scope, value) } | |
| end |
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