class Stocks::Validators::Exists
An ActiveRecord validator which validates that an attribute on a model is a valid ticker symbol. The default attribute is :symbol
but may be specified by defining symbol_field
when declaring the validator.
Example Usage:
require 'stocks/validators/exists' class Position < ActiveRecord::Base validates_with Stocks::Validators::Exists, symbol_field: :field_name end
Public Class Methods
message(symbol)
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Public Instance Methods
validate(record)
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Validates that a record has a valid symbol.
Args¶ ↑
-
record
The record to validate
# File lib/stocks/validators/exists.rb, line 35 def validate(record) field = options[:symbol_field] || :symbol symbol = record.send(field) if (!Stocks.exists?(symbol)) record.errors[field] << self.class.message(symbol) end end