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module BigbluebuttonRails
class DialNumber
# Generates a random dial number based on the `pattern` (e.g. '123x-xxxx')
def self.randomize(pattern=nil, opt={})
return nil if pattern.nil?
sym = get_symbol(opt)
size = pattern.count(sym)
# e.g. random from 0 to 999 if the pattern has 3 x's
num = SecureRandom.random_number((10 ** size) - 1)
get_dial_number_from_ordinal(num, pattern, opt)
end
def self.get_dial_number_from_ordinal(ordinal, pattern=nil, opt={})
return nil if pattern.nil?
sym = get_symbol(opt)
number_size = pattern.count(sym)
ordinal_str = ordinal.to_s.rjust(number_size,'0').reverse
dial_number = pattern.reverse
ordinal_str.each_char do |n|
dial_number.sub!(sym, n)
end
dial_number.reverse
end
def self.get_ordinal_from_dial_number(number, pattern=nil, opt={})
return nil if pattern.nil?
sym = get_symbol(opt)
regexp = Regexp.new(pattern.gsub(sym, '([0-9])')) # make a pattern to capture only the numbers
match = regexp.match(number) # extract only the numbers
# join the numbers and turn then into an ordinal integer
ordinal = match[1, match.size].join.to_i if match.present?
ordinal
end
def self.get_symbol opt
opt[:symbol] || 'x'
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems