Exception: Alula::AlulaError

Inherits:
StandardError
  • Object
show all
Defined in:
lib/alula/errors.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(error) ⇒ AlulaError

Returns a new instance of AlulaError.



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# File 'lib/alula/errors.rb', line 4

def initialize(error)
  if error.class == String
    @message = error
    return
  end

  @http_status = error.http_status
  @raw_response = error
  @error = error.data['error']
  @message = error.data['error_description'] || error.data['message']
end

Instance Attribute Details

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/alula/errors.rb', line 3

def error
  @error
end

#http_status ⇒ Object (readonly)

Returns the value of attribute http_status.



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# File 'lib/alula/errors.rb', line 3

def http_status
  @http_status
end

#message ⇒ Object (readonly)

Returns the value of attribute message.



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# File 'lib/alula/errors.rb', line 3

def message
  @message
end

#raw_response ⇒ Object (readonly)

Returns the value of attribute raw_response.



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# File 'lib/alula/errors.rb', line 3

def raw_response
  @raw_response
end

Class Method Details

.critical_error_for_response(error_text) ⇒ Object

Handle HTML-based errors from the API



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# File 'lib/alula/errors.rb', line 47

def self.critical_error_for_response(error_text)
  InvalidRequestError.new(error_text.first.first)
end

.error_for_response(response) ⇒ Object

Figure out what error should be raised



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# File 'lib/alula/errors.rb', line 57

def self.error_for_response(response)
  case response.data['error']
  when 'RateLimit'
    Alula.logger.error response
    RateLimitError.new(response)
  when 'invalid_token'
    InvalidTokenError.new(response)
  when 'insufficient_scope'
    InsufficientScopeError.new(response)
  when 'server_error'
    Alula.logger.error response
    ServerError.new(response)
  else
    #
    # RPC errors are identified by jsonrpc in the body.
    return ProcedureError.new(response) if response.data['jsonrpc']


    Alula.logger.error response
    raise NotImplementedError.new("Unable to derive error for #{response.data['error']}")
  end
end

.errors_for_response(response) ⇒ Object

Some responses have an error array. We won't be able to raise on all errors but we can raise on the first one



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# File 'lib/alula/errors.rb', line 81

def self.errors_for_response(response)
  error = response.data['errors'].first
  case error['title']
  when 'RateLimit'
    RateLimitError.new(response)
  when 'Forbidden'
    ForbiddenError.new(error['detail'])
  when 'Not Found'
    NotFoundError.new(error['detail'])
  when 'Bad Request'
    Alula.logger.error response
    BadRequestError.new(error['detail'])
  when 'API Error Unknown'
    Alula.logger.error response
    UnknownError.new(error['detail'])
  when 'Insufficient Scope'
    InsufficientScopeError.new(error['detail'])
  else
    #
    # RPC errors are identified by jsonrpc in the body.
    return ProcedureError.new(response) if response.data['jsonrpc']

    Alula.logger.error response
    raise NotImplementedError.new("Unable to derive error for #{response.data['errors']}")
  end
end

.for_response(response) ⇒ Object 



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# File 'lib/alula/errors.rb', line 20

def self.for_response(response)
  if !response.data['error'].nil? && !response.data['error'].empty?
    self.error_for_response(response)

  elsif !response.data['errors'].nil? && !response.data['errors'].empty?
    self.errors_for_response(response)

  elsif response.data.match(/^<!DOCTYPE html>/)
    self.critical_error_for_response(response.data.scan(/<pre>(.*)<\/pre>/))
  
  elsif response.data.match(/502 Bad Gateway/)
    self.gateway_error_for_response(response.data.scan(/502 Bad Gateway/))
  else
    message = "Unable to derive error from response: #{response.inspect}"
    Alula.logger.error message
    raise UnknownApiError.new(message)
  end

rescue NoMethodError
  message = "Unable to derive error from response: #{response.inspect}"
  Alula.logger.error message
  raise UnknownApiError.new(message)
end

.gateway_error_for_response(error_text) ⇒ Object

Handle Gateway errors from the API



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# File 'lib/alula/errors.rb', line 52

def self.gateway_error_for_response(error_text)
  ApiGatewayError.new(error_text.first)
end

Instance Method Details

#ok? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/alula/errors.rb', line 16

def ok?
  false
end