Class: Calpack::SimpleCalculatorController

Inherits:
BaseController show all
Defined in:
lib/calpack/controllers/simple_calculator_controller.rb

Overview

SimpleCalculatorController

Class Attribute Summary collapse

Attributes inherited from BaseController

#http_call_back, #http_client

Instance Method Summary collapse

Methods inherited from BaseController

#execute_request, #initialize, #validate_parameters, #validate_response

Constructor Details

This class inherits a constructor from Calpack::BaseController

Class Attribute Details

.instance ⇒ Object

Returns the value of attribute instance.



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# File 'lib/calpack/controllers/simple_calculator_controller.rb', line 12

def instance
  @instance
end

Instance Method Details

#get_calculate(options = {}) ⇒ Object

Calculates the expression using the specified operation. apply on the variables

Parameters:

  • operation (OperationTypeEnum) —

    Required parameter: The operator to

  • x (Float) —

    Required parameter: The LHS value

  • y (Float) —

    Required parameter: The RHS value

Returns:

  • Float response from the API call



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# File 'lib/calpack/controllers/simple_calculator_controller.rb', line 25

def get_calculate(options = {})
  # Prepare query url.
  _path_url = '/{operation}'
  _path_url = APIHelper.append_url_with_template_parameters(
    _path_url,
    'operation' => options['operation']
  )
  _query_builder = Configuration.get_base_uri
  _query_builder << _path_url
  _query_builder = APIHelper.append_url_with_query_parameters(
    _query_builder,
    {
      'x' => options['x'],
      'y' => options['y']
    },
    array_serialization: Configuration.array_serialization
  )
  _query_url = APIHelper.clean_url _query_builder
  # Prepare and execute HttpRequest.
  _request = @http_client.get(
    _query_url
  )
  _context = execute_request(_request)
  validate_response(_context)
  # Return appropriate response type.
  _context.response.raw_body.to_f
end

#instance ⇒ Object 



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# File 'lib/calpack/controllers/simple_calculator_controller.rb', line 15

def instance
  self.class.instance
end