Contents

module EmberCliDeployRedis
  # A single revision that has been deployed to Redis.
  # Fetches the contents of deployed files for the given revision.
  class Revision
    attr_reader :application
    attr_reader :name

    def self.active_from_redis(application)
      revision_name = active_revision_from_redis(application)
      new application, revision_name if revision_name
    end

    def initialize(application, name)
      self.application = application
      self.name = name
    end

    def contents_of(filename)
      contents_of_file_from_redis(filename)
    end

    def active?
      self == application.active_revision
    end

    def ==(other)
      other.name == name
    end

    def activate!
      key = EmberCliDeployRedis.configuration.redis_key_for_revision_list(application)
      EmberCliDeployRedis.configuration.redis.lpush(key, name)
    end

    private

    attr_writer :application
    attr_writer :name

    def self.active_revision_from_redis(application)
      key = EmberCliDeployRedis.configuration.redis_key_for_revision_list(application)
      names = EmberCliDeployRedis.configuration.redis.lrange(key, 0, 0)
      names.first
    end

    def contents_of_file_from_redis(filename)
      key = EmberCliDeployRedis.configuration.redis_key_for_revision_file(
        application,
        name,
        filename,
      )
      contents = EmberCliDeployRedis.configuration.redis.get(key)
      unless contents
        fail(
          EmberCliDeployRedis::FileMissingFromDeployment,
          "The file '#{filename}' was not deployed to Redis",
        )
      end
      contents
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
ember_cli_deploy_redis-1.0.2	lib/ember_cli_deploy_redis/revision.rb
ember_cli_deploy_redis-1.0.1	lib/ember_cli_deploy_redis/revision.rb
ember_cli_deploy_redis-1.0.0	lib/ember_cli_deploy_redis/revision.rb