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Contents
module Mumukit::Assistant::Message
# Fixed messages are independent of the number
# of attemps
class Fixed
def initialize(text)
@text = text
end
def call(_)
@text
end
end
# Progressive messages depend on the number of attemps
# They work with exactly two or three messages:
#
# * the first message will be displayed in the first three attemps
# * the second message will be displayed in the fourth, fifth and sixth attemps
# * the third message will be displayed starting at the seventh attemp
#
class Progressive
def initialize(alternatives)
raise 'You need two or three alternatives' unless alternatives.size.between?(2, 3)
@alternatives = alternatives
end
def call(attemps_count)
case attemps_count
when (1..3) then @alternatives.first
when (4..6) then @alternatives.second
else @alternatives.last
end
end
end
def self.parse(text_or_alternatives)
if text_or_alternatives.is_a? String
Fixed.new text_or_alternatives
elsif text_or_alternatives.is_a? Array
Progressive.new text_or_alternatives
else
raise "Wrong message format #{text_or_alternatives}"
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems