Class: UsernameValidator

Inherits:
Object
  • Object
show all
Defined in:
app/models/username_validator.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(username) ⇒ UsernameValidator

Returns a new instance of UsernameValidator.



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# File 'app/models/username_validator.rb', line 18

def initialize(username)
  @username = username&.unicode_normalize
  @errors = []
end

Instance Attribute Details

#errorsObject

Returns the value of attribute errors.



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# File 'app/models/username_validator.rb', line 23

def errors
  @errors
end

#usernameObject (readonly)

Returns the value of attribute username.



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# File 'app/models/username_validator.rb', line 24

def username
  @username
end

Class Method Details

.perform_validation(object, field_name) ⇒ Object

Public: Perform the validation of a field in a given object it adds the errors (if any) to the object that we’re giving as parameter

object - Object in which we’re performing the validation field_name - name of the field that we’re validating

Example: UsernameValidator.perform_validation(user, ‘name’)



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# File 'app/models/username_validator.rb', line 11

def self.perform_validation(object, field_name)
  validator = UsernameValidator.new(object.public_send(field_name))
  unless validator.valid_format?
    validator.errors.each { |e| object.errors.add(field_name.to_sym, e) }
  end
end

Instance Method Details

#userObject



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# File 'app/models/username_validator.rb', line 26

def user
  @user ||= User.new(user)
end

#valid_format?Boolean

Returns:

  • (Boolean)


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# File 'app/models/username_validator.rb', line 30

def valid_format?
  username_present?
  username_length_min?
  username_length_max?
  username_char_valid?
  username_char_allowed?
  username_first_char_valid?
  username_last_char_valid?
  username_no_double_special?
  username_does_not_end_with_confusing_suffix?
  errors.empty?
end