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require "fog/core/model"
module Fog
module Google
class Pubsub
# Represents a Pubsub topic resource
#
# @see https://cloud.google.com/pubsub/reference/rest/v1/projects.topics#Topic
class Topic < Fog::Model
identity :name
# Creates this topic resource on the service.
#
# @return [Fog::Google::Pubsub::Topic] this instance
def create
requires :name
service.create_topic(name)
self
end
# Deletes this topic resource on the service.
#
# @return [Fog::Google::Pubsub::Topic] this instance
def destroy
requires :name
service.delete_topic(name)
self
end
# Publish a message to this topic. This method will automatically
# encode the message via base64 encoding.
#
# @param messages [Array<Hash{String => String}, #to_s>] list of messages
# to send; if it's a hash, then the value of key "data" will be sent
# as the message. Additionally, if the hash contains a value for key
# "attributes", then they will be sent as well as attributes on the
# message.
# @return [Array<String>] list of message ids
def publish(messages)
requires :name
# Ensure our messages are base64 encoded
encoded_messages = []
messages.each do |message|
encoded_message = {}
if message.is_a?(Hash)
if message.key?("data")
encoded_message[:data] = Base64.strict_encode64(message["data"])
end
else
encoded_message[:data] = Base64.strict_encode64(message.to_s)
end
encoded_messages << encoded_message
end
service.publish_topic(name, encoded_messages).to_h[:message_ids]
end
# Save the instance (does the same thing as #create)
# @return [Fog::Google::Pubsub::Topic] this instance
def save
create
end
end
end
end
end
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