save-article.wf.yaml

apiVersion: 1
output: ComposeResult
# Input: url
tasks:
  FetchWebPage:
    run: http
    inputs: "{$.Invocation.Inputs.default}"

  ParseArticle:
    run: parse-article
    inputs: "{$.Tasks.FetchWebPage.Output}"
    requires:
    - FetchWebPage

  ArticleContainsImage:
    run: if
    inputs:
      if: "{!! $.Tasks.ParseArticle.Output.image}"
      then:
        # TODO resize image, change link
        run: compose
        inputs: "resized-image.png"
    requires:
    - ParseArticle

  StoreInRedis:
    run: redis-append
    inputs:
      default: "{$.Tasks.ParseArticle.Output}"
    requires:
    - ArticleContainsImage

  NotifyUser:
    run: notify-pushbullet
    inputs:
      default:
        title: "{'Saved: ' + $.Tasks.ParseArticle.Output.url}!"
        body: "{$.Tasks.ParseArticle.Output.title}"
    requires:
    - StoreInRedis

  ComposeResult:
    run: compose
    inputs:
      article: "{$.Tasks.ParseArticle.Output}"
      url: "{$.Invocation.Inputs.default}"
    requires:
    - StoreInRedis