Class: ErrorNormalizer::Error

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

Overview

Error struct which makes cosmetic normalization upon calling either #to_hash or #to_json. Provides case equality check Error.=== to support plain Hash structs.

Examples:

Error.new('not_plausible', message: "can't recognize your phone", path: 'user.phone')
Error.new('not_authorized').to_hash
#=> { key: 'not_authorized', message: 'not authorized', type: 'params', payload: {} }

# case equality works with hashes
err = { key: 'err', message: 'err', type: 'custom', payload: {} }
message =
  case err
  when Error
    'YEP'
  else
    'NOPE'
  end
puts message #=> 'YEP'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(error_key, message: nil, type: 'params', **payload) ⇒ Error

Returns a new instance of Error.



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# File 'lib/error_normalizer/error.rb', line 26

def initialize(error_key, message: nil, type: 'params', **payload)
  @key = error_key
  @message = message
  @type = type
  @payload = payload
end

Class Method Details

.===(other) ⇒ Boolean

Case equality check

Returns:

  • (Boolean) 


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# File 'lib/error_normalizer/error.rb', line 35

def self.===(other)
  return true if other.is_a?(Error)
  return false unless other.is_a?(Hash)

  h = other.transform_keys(&:to_s)
  h.key?('key') && h.key?('message') && h.key?('payload') && h.key?('type')
end

Instance Method Details

#to_hash ⇒ Hash

Returns error Hash representation.

Returns:

  • (Hash) —

    error Hash representation



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

def to_hash
  {
    key: @key,
    message: message,
    payload: payload,
    type: @type
  }
end

#to_json ⇒ String

Returns error JSON string representation.

Returns:

  • (String) —

    error JSON string representation



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# File 'lib/error_normalizer/error.rb', line 54

def to_json
  to_hash.to_json
end