58 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| module Validators
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|   class Base
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| 
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|     def initialize(model, options={})
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|       @model = model
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|       @options = options
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|     end
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| 
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|     def validate!
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|       raise error_class.new(message) unless valid?
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|     rescue StandardError => e
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|       DevopsLogger.logger.error [e.message, e.backtrace].join("\n")
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|       raise error_class.new("An error raised during validation with #{self.class}: #{e.class}: #{e.message}")
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|     end
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| 
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|     def valid?
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|       raise 'override me'
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|     end
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| 
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|     def message
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|       raise 'override me'
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|     end
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| 
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|     def error_class
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|       self.class.get_error_class
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|     end
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| 
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|     class << self
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|       def get_error_class
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|         @error_class || InvalidRecord
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|       end
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| 
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|       private
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| 
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|       def error_class(klass)
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|         @error_class = klass
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|       end
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| 
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|       # this method delegates @valid? and @message methods to helper validator, passed as block
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|       def delegate_to_helper_validator(&block)
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| 
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|         define_method :helper_validator do
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|           @helper_validator ||= self.instance_eval(&block)
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|         end
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| 
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|         define_method :valid? do
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|           self.helper_validator.valid?
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|         end
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| 
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|         define_method :message do
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|           self.helper_validator.message
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|         end
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|       end
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|     end
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| 
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|   end
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| end
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