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Contents
require 'featureflow/conditions'
require 'digest/sha1'
module Featureflow
class EvaluateHelpers
def self.rule_matches(rule, context)
if rule['defaultRule']
true # the default rule will always match true
else
rule['audience']['conditions'].all? do |condition|
context_values = context[:values][condition['target']]
# convert to array to work with test
Array(context_values).any? do |value|
Conditions.test condition['operator'], value, condition['values']
end
end
end
end
def self.get_variant_split_key(variant_splits, variant_value)
percent = 0
variant_splits.each do |variant_split|
percent += variant_split['split']
return variant_split['variantKey'] if percent >= variant_value
end
end
def self.calculate_hash(salt = '1', feature = 'feature', key = 'anonymous')
(Digest::SHA1.hexdigest [salt, feature, key].join(':'))[0..14];
end
def self.get_variant_value(hash)
Integer(hash, 16) % 100 + 1
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems