demarches-normaliennes/app/components/password_complexity_component.rb

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class PasswordComplexityComponent < ApplicationComponent
def initialize(length: nil, min_length: nil, score: nil, min_complexity: nil)
@length = length
@min_length = min_length
@score = score
@min_complexity = min_complexity
end
private
def filled?
!@length.nil? || !@score.nil?
end
def alert_classes
class_names(
"fr-alert": true,
"fr-alert--sm": true,
"fr-alert--info": !success?,
"fr-alert--success": success?
)
end
def success?
return false if !filled?
@length >= @min_length && @score >= @min_complexity
end
def complexity_classes
[
"password-complexity fr-mt-2w fr-mb-1w",
filled? ? "complexity-#{@length < @min_length ? @score / 2 : @score}" : nil
]
end
def title
return t(".title.empty") if !filled?
return t(".title.too_short", min_length: @min_length) if @length < @min_length
case @score
when 0..1
return t(".title.weakest")
when 2...@min_complexity
return t(".title.weak")
when @min_complexity...4
return t(".title.passable")
else
return t(".title.strong")
end
end
end