thumbnail_url.rb

####> This code and all components © 2015 – 2019 Wowza Media Systems, LLC. All rights reserved.
####> This code is licensed pursuant to the BSD 3-Clause License.

require "wsc_sdk"
require_relative "../client"  # Get our client
require_relative "../helpers" # Include some helpers to make the code more direct

# Ensure the args passed in are present
arguments         = ask_for_arguments(__FILE__, transcoder_id: nil)

# Extract some data into convenience variables
transcoders       = $client.transcoders
transcoder_id     = arguments[0]

# Request the transcoder object
transcoder        = transcoders.find(transcoder_id)

# Handle an API error (in the helpers.rb file)
handle_api_error(transcoder, "There was an error finding the transcoder") unless transcoder.success?

# Request the transcoder state
state             = transcoder.state

# Handle an API error (in the helpers.rb file)
handle_api_error(state, "There was an error getting the transcoder state") unless state.success?

# Ensure the transcoder is started
if state.state != 'started'
  # Start the transcoder and wait
  state = transcoder.start do |wait_state, transcoder_state|
    puts "Waiting for transcoder to start"
  end

  # Handle an API error (in the helpers.rb file)
  handle_api_error(state, "There was an error starting the transcoder") unless state.success?
end

# Request the thumbnail url
thumbnail         = transcoder.thumbnail_url

# Handle an API error (in the helpers.rb file)
handle_api_error(thumbnail, "There was an error getting the transcoder thumbnail url") unless thumbnail.success?

# Output the thumbnail URL
# Defined in helpers.rb
output_model_attributes(thumbnail, "Transcoder Thumbnail:")