Sha256: 4694047d09dc8c0cdb5414a4848e7ee068c15d39114bdb1b601e3c8a485062b6
Contents?: true
Size: 1.3 KB
Versions: 18
Compression:
Stored size: 1.3 KB
Contents
module Prefab
class FeatureFlagClient
MAX_32_FLOAT = 4294967294.0
def initialize(base_client)
@base_client = base_client
end
def upsert(feature_name, feature_obj)
@base_client.config_client.upsert(feature_name, Prefab::ConfigValue.new(feature_flag: feature_obj))
end
def feature_is_on?(feature_name)
feature_is_on_for?(feature_name, nil)
end
def feature_is_on_for?(feature_name, lookup_key, attributes: [])
@base_client.stats.increment("prefab.featureflag.on", tags: ["feature:#{feature_name}"])
feature_obj = @base_client.config_client.get(feature_name)
return is_on?(feature_name, lookup_key, attributes, feature_obj)
end
private
def is_on?(feature_name, lookup_key, attributes, feature_obj)
if feature_obj.nil?
return false
end
attributes << lookup_key if lookup_key
if (attributes & feature_obj.whitelisted).size > 0
return true
end
if lookup_key
return get_user_pct(feature_name, lookup_key) < feature_obj.pct
end
return feature_obj.pct > rand()
end
def get_user_pct(feature, lookup_key)
to_hash = "#{@base_client.account_id}#{feature}#{lookup_key}"
int_value = Murmur3.murmur3_32(to_hash)
int_value / MAX_32_FLOAT
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems