class Github::Client::PullRequests

def commits(*args)
  arguments(args, required: [:user, :repo, :number])
  response = get_request("/repos/#{arguments.user}/#{arguments.repo}/pulls/#{arguments.number}/commits", arguments.params)
  return response unless block_given?
  response.each { |el| yield el }
end

def create(*args)
  arguments(args, required: [:user, :repo])
  post_request("/repos/#{arguments.user}/#{arguments.repo}/pulls",
               arguments.params)
end

def files(*args)
  arguments(args, required: [:user, :repo, :number])
  response = get_request("/repos/#{arguments.user}/#{arguments.repo}/pulls/#{arguments.number}/files", arguments.params)
  return response unless block_given?
  response.each { |el| yield el }
end

def get(*args)
  arguments(args, required: [:user, :repo, :number])
  get_request("/repos/#{arguments.user}/#{arguments.repo}/pulls/#{arguments.number}", arguments.params)
end

def list(*args)
  arguments(args, required: [:user, :repo])
  response = get_request("/repos/#{arguments.user}/#{arguments.repo}/pulls",
                         arguments.params)
  return response unless block_given?
  response.each { |el| yield el }
end

def merge(*args)
  arguments(args, required: [:user, :repo, :number])
  params = arguments.params
  params['accept'] ||= PREVIEW_MEDIA
  put_request("/repos/#{arguments.user}/#{arguments.repo}/pulls/#{arguments.number}/merge", params)
end

def merged?(*args)
  arguments(args, required: [:user, :repo, :number])
  get_request("/repos/#{arguments.user}/#{arguments.repo}/pulls/#{arguments.number}/merge", arguments.params)
  true
rescue Github::Error::NotFound
  false
end

def update(*args)
  arguments(args, required: [:user, :repo, :number])
  patch_request("/repos/#{arguments.user}/#{arguments.repo}/pulls/#{arguments.number}", arguments.params)
end