Class: Validation::Validator

Inherits:
Object
  • Object
show all
Includes:
Rules
Defined in:
lib/validation/validator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Rules

#validates_match, #validates_required

Constructor Details

#initialize ⇒ Validator

Returns a new instance of Validator.



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# File 'lib/validation/validator.rb', line 10

def initialize
  @rules = {}
  @errors = {}
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/validation/validator.rb', line 8

def errors
  @errors
end

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/validation/validator.rb', line 7

def rules
  @rules
end

Instance Method Details

#add_rule(field, rule, message) ⇒ Object 



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# File 'lib/validation/validator.rb', line 15

def add_rule(field, rule, message)
  @rules[field] ||= []
  @rules[field].push({'rule' => rule, 'message' => message})
end

#reset_errors ⇒ Object 



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# File 'lib/validation/validator.rb', line 39

def reset_errors
  @errors = {}
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/validation/validator.rb', line 35

def valid?
  @errors.empty?
end

#validate(params) ⇒ Object 



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# File 'lib/validation/validator.rb', line 20

def validate(params)
  reset_errors
  @rules.each do |field, rules|
    rules.each do |rule|
      method, *args = rule['rule'].split(',').map(&:strip)
      args = [params, field] + args
      unless send("validates_#{method}", *args)
        @errors[field] ||= []
        @errors[field].push(rule['message'])
      end
    end
  end
  valid?
end