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module Foreman
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class Exception < ::StandardError
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def initialize message, *params
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@message = message
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@params = params
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end
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# Error code is made up first 8 characters of base64 (RFC 4648) encoded MD5
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# sum of concatenated classname and message
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def self.calculate_error_code classname, message
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class_hash = Zlib::crc32(classname) % 100
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msg_hash = Zlib::crc32(message) % 10000
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sprintf "ERF%02d-%04d", class_hash, msg_hash
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end
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def code
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@code ||= Exception.calculate_error_code self.class.name, @message
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@code
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end
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def message_untranslated
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@message
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end
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def message
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# make sure it works without gettext too
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if Kernel.respond_to? :_
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translated_msg = _(@message) % @params
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else
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translated_msg = @message
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end
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"#{code}: #{translated_msg}"
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end
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alias :to_s :message
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end
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class FingerprintException < Exception
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def fingerprint
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@params[0]
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end
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end
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class CyclicGraphException < ::ActiveRecord::RecordInvalid
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end
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end
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