Class: Appfuel::ResponseHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/appfuel/response_handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(response_class = Response) ⇒ ResponseHandler 



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# File 'lib/appfuel/response_handler.rb', line 5

def initialize(response_class = Response)
  @response_class = response_class
end

Instance Attribute Details

#response_class ⇒ Object (readonly)

Returns the value of attribute response_class.



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# File 'lib/appfuel/response_handler.rb', line 3

def response_class
  @response_class
end

Instance Method Details

#create_response(data) ⇒ Object 



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# File 'lib/appfuel/response_handler.rb', line 9

def create_response(data)
  return data        if response?(data)
  return error(data) if error_data?(data)
  ok(data)
end

#error(*args) ⇒ Object

Convert a number of different error formats into hash and use that to build the response



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# File 'lib/appfuel/response_handler.rb', line 49

def error(*args)
  error = args.shift
  case
  when error.kind_of?(ActiveModel::Errors)
    messages = error.messages
  when error.kind_of?(StandardError)
    key = error.class.to_s.underscore.to_sym
    backtrace_key = "#{key}_backtrace".to_sym
    messages = {
      errors: {
        key => [error.message],
        backtrace_key => error.backtrace || []
      }
    }
  when error.is_a?(Hash)
    messages = error.key?(:errors) ? error : {errors: error}
  when error.is_a?(Errors)
    messages = error.to_h

  when args.length >= 1
    messages = {errors: {error => args}}
  when error.is_a?(response_class)
    return error
  else
    messages = {errors: {general_error: [error.to_s]}}
  end

  response_class.error(messages)
end

#error_data?(data) ⇒ Boolean

Determine if the data given is an error by looking at its class or checking if it is a hash with the key :errors



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# File 'lib/appfuel/response_handler.rb', line 24

def error_data?(data)
  case
  when data.kind_of?(::StandardError) || data.is_a?(Errors)
    true
  when data.is_a?(Hash)
    data.key?(:errors)
  else
    false
  end
end

#ok(value = nil) ⇒ Object

This is used when returning results back to the action handler. We use this to indicate it was a successful response



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# File 'lib/appfuel/response_handler.rb', line 40

def ok(value = nil)
  response_class.ok(value)
end

#response?(data) ⇒ Boolean 



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# File 'lib/appfuel/response_handler.rb', line 15

def response?(data)
  data.is_a?(response_class)
end