Class: SplitIoClient::Cache::Repositories::Impressions::RedisRepository

Inherits:
SplitIoClient::Cache::Repository show all
Defined in:
lib/splitclient-rb/cache/repositories/impressions/redis_repository.rb

Instance Method Summary collapse

Methods inherited from SplitIoClient::Cache::Repository

#set_string, #string

Constructor Details

#initialize(adapter, config) ⇒ RedisRepository

Returns a new instance of RedisRepository.



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# File 'lib/splitclient-rb/cache/repositories/impressions/redis_repository.rb', line 7

def initialize(adapter, config)
  @adapter = adapter
  @config = config
end

Instance Method Details

#add(split_name, data) ⇒ Object

Store impression data in Redis



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# File 'lib/splitclient-rb/cache/repositories/impressions/redis_repository.rb', line 13

def add(split_name, data)
  @adapter.add_to_set(
    impressions_metrics_key("impressions.#{split_name}"),
    data.to_json
  )
end

#add_bulk(key, bucketing_key, treatments, time) ⇒ Object 



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# File 'lib/splitclient-rb/cache/repositories/impressions/redis_repository.rb', line 20

def add_bulk(key, bucketing_key, treatments, time)
  @adapter.redis.pipelined do
    treatments.each do |split_name, treatment|
      add(split_name,
          'keyName' => key,
          'bucketingKey' => bucketing_key,
          'treatment' => treatment[:treatment],
          'label' => @config.labels_enabled ? treatment[:label] : nil,
          'changeNumber' => treatment[:change_number],
          'time' => time)
    end
  end
end

#get_batch ⇒ Object

Get random impressions from redis in batches of size @config.impressions_bulk_size, delete fetched impressions afterwards



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# File 'lib/splitclient-rb/cache/repositories/impressions/redis_repository.rb', line 36

def get_batch
  impressions = impression_keys.each_with_object([]) do |key, memo|
    ip = key.split('/')[-2] # 'prefix/sdk_lang/ip/impressions.name' -> ip
    if ip.nil?
      @config.logger.warn("Impressions IP parse error for key: #{key}")
      next
    end
    split_name = key.split('.').last
    members = @adapter.random_set_elements(key, @config.impressions_bulk_size)
    members.each do |impression|
      parsed_impression = JSON.parse(impression)

      memo << {
        feature: split_name.to_sym,
        impressions: parsed_impression,
        ip: ip
      }
    end

    @adapter.delete_from_set(key, members)
  end

  impressions
rescue StandardError => e
  @config.logger.error("Exception while clearing impressions cache: #{e}")

  []
end