Class: Fcoin::MarketValidator

Inherits:
Object
  • Object
show all
Includes:
ValidatorUtility
Defined in:
lib/fcoin/validator/market_validator.rb

Instance Method Summary collapse

Methods included from ValidatorUtility

#between_error_message, #includes_error_message, #presence_error_message

Constructor Details

#initialize(params) ⇒ MarketValidator

Returns a new instance of MarketValidator.

Parameters:

  • params (Hash) —

    a customizable set of options

Options Hash (params):

  • :level (String or Symbol) —

    Level of depth chart

  • :resolution (String or Symbol) —

    period of Candles Chart

  • :method_name (String or Symbol) —

    invoked method name



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# File 'lib/fcoin/validator/market_validator.rb', line 11

def initialize(params)
  self.level       = params[:level]
  self.resolution  = params[:resolution]
  self.method_name = params[:method_name]
end

Instance Method Details

#messages ⇒ Object

Error message when invalid



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# File 'lib/fcoin/validator/market_validator.rb', line 28

def messages
  return {} if valid?
  results = []
  case method_name
  when /market_depth|on_depth/
    results << includes_error_message(level, :level, valid_levels) unless valid_level?
  when /market_candles|on_candle/
    results << includes_error_message(resolution, :resolution, valid_resolutions) unless valid_resolution?
  end
  results.compact&.each_with_object({}) { |message, data| data.merge!(message) }
end

#valid? ⇒ Boolean

Validate according to method_name

Returns:

  • (Boolean) 


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# File 'lib/fcoin/validator/market_validator.rb', line 18

def valid?
  case method_name
  when /market_depth|on_depth/
    valid_level?
  when /market_candles|on_candle/
    valid_resolution?
  end
end