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60 lines
1.5 KiB
60 lines
1.5 KiB
module MinimalValidator
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class Validator
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def initialize
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reset
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end
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def reset
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self.errors = {}
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end
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def valid?
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errors.empty?
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end
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def validate_presence_of(attributes)
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attributes.each do |attribute, value|
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if (value.nil? || value.empty?)
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errors.store(attribute.to_sym, "can't be blank")
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end
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end
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end
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def validate_presence_of_with_custom_message(attributes, custom_message)
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has_errors = false
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error_attribute = nil
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attributes.each do |attribute, value|
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if (value.nil? || value.empty?)
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error_attribute = attribute
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has_errors = true
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end
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end
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errors.store(error_attribute.to_sym, custom_message) if has_errors
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end
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def validate_available_name
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return self unless name_changed && user
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end
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def validate_in(attribute, value, whitelist)
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unless whitelist.include?(value)
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errors.store(attribute, "must be one of #{whitelist.join(', ')}")
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end
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end
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def validate_uniqueness_of(attribute, available)
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self.errors.store(attribute.to_sym, 'is already taken') unless available
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end
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def validate_expected_value(attribute, expected_value, actual_value)
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self.errors.store(attribute.to_sym, 'has invalid value') unless actual_value == expected_value
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end
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def full_errors
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errors.map { |attribute, message| "#{attribute} #{message}" }
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end
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attr_accessor :errors
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end
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end
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