Class: Knight::Error

Inherits:
Object
  • Object
show all
Defined in:
lib/knight/error.rb

Overview

A representation of an error

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rule, resource) ⇒ Error

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Initialize an error

Parameters:

  • rule (Rule)
  • resource (Object) 


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# File 'lib/knight/error.rb', line 31

def initialize(rule, resource)
  @rule     = rule
  @resource = resource
end

Instance Attribute Details

#resource ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Object under validation

Returns:

  • (Object) 


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# File 'lib/knight/error.rb', line 21

def resource
  @resource
end

#rule ⇒ Rule (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Broken rule

Returns:



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# File 'lib/knight/error.rb', line 14

def rule
  @rule
end

Instance Method Details

#attribute_name ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Return error attribute name

Returns:

  • (String) 


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# File 'lib/knight/error.rb', line 53

def attribute_name
  rule.attribute_name
end

#message ⇒ String

Return formatted error message

Examples:

error_message = error.message

Returns:

  • (String) 


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# File 'lib/knight/error.rb', line 44

def message
  rule.message % rule.to_hash.merge(value: value)
end

#value ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Return error value

Returns:

  • (Object) 


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# File 'lib/knight/error.rb', line 62

def value
  resource.public_send(attribute_name) if resource.respond_to?(attribute_name)
end