Reuse runners per user and execution environment

Co-authored-by: Jan-Eric Hellenberg <jan-eric.hellenberg@student.hpi.uni-potsdam.de>
Co-authored-by: Maximilian Pass <maximilian.pass@student.hpi.uni-potsdam.de>

lib/runner/runner.rb

@@ -1,58 +0,0 @@
-# frozen_string_literal: true
-
-class Runner
-  BASE_URL = CodeOcean::Config.new(:code_ocean).read[:runner_management][:url]
-  HEADERS = {'Content-Type' => 'application/json'}.freeze
-
-  attr_accessor :waiting_time
-
-  def initialize(execution_environment, time_limit = nil)
-    url = "#{BASE_URL}/runners"
-    body = {executionEnvironmentId: execution_environment.id}
-    body[:timeLimit] = time_limit if time_limit
-    response = Faraday.post(url, body.to_json, HEADERS)
-    response = parse response
-    @id = response[:runnerId]
-  end
-
-  def copy_files(files)
-    url = "#{runner_url}/files"
-    body = {files: files.map { |filename, content| {filepath: filename, content: content} }}
-    Faraday.patch(url, body.to_json, HEADERS)
-  end
-
-  def execute_command(command)
-    url = "#{runner_url}/execute"
-    response = Faraday.post(url, {command: command}.to_json, HEADERS)
-    parse response
-  end
-
-  def execute_interactively(command)
-    starting_time = Time.zone.now
-    websocket_url = execute_command(command)[:websocketUrl]
-    EventMachine.run do
-      socket = RunnerConnection.new(websocket_url)
-      yield(self, socket) if block_given?
-    end
-    Time.zone.now - starting_time # execution time
-  end
-
-  def destroy
-    Faraday.delete runner_url
-  end
-
-  def status
-    # TODO: return actual state retrieved via websocket
-    :timeouted
-  end
-
-  private
-
-  def runner_url
-    "#{BASE_URL}/runners/#{@id}"
-  end
-
-  def parse(response)
-    JSON.parse(response.body).deep_symbolize_keys
-  end
-end