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# Copyright (c) 2013-2021 Snowplow Analytics Ltd. All rights reserved.
#
# This program is licensed to you under the Apache License Version 2.0,
# and you may not use this file except in compliance with the Apache License Version 2.0.
# You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the Apache License Version 2.0 is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
# Author:: Snowplow Analytics Ltd
# Copyright:: Copyright (c) 2013-2021 Snowplow Analytics Ltd
# License:: Apache License Version 2.0
require 'base64'
require 'json'
require 'net/http'
module SnowplowTracker
# @private
# Every`track_x_event` method creates a new Payload object. The Tracker then
# uses the Payload instance methods to add properties to the Payload `@data`
# hash. These properties form the raw event, after the completed hash is
# given to the Emitter.
class Payload
attr_reader :data
def initialize
@data = {}
end
# Add a single name-value pair to @data.
def add(name, value)
@data[name] = value if (value != '') && !value.nil?
end
# Add each name-value pair in a hash to @data.
def add_hash(hash)
hash.each { |key, value| add(key, value) }
end
# Stringify a JSON and add it to @data.
#
# In practice, the JSON provided will be a SelfDescribingJson. This method
# is used to add context to events, or for `track_self_describing_event`.
# @see Tracker#track_unstruct_event
# @see Tracker#finalise_payload
def add_json(json, encode_base64, type_when_encoded, type_when_not_encoded)
return if json.nil?
stringified = JSON.generate(json)
if encode_base64
add(type_when_encoded, Base64.strict_encode64(stringified))
else
add(type_when_not_encoded, stringified)
end
end
end
end
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