Last.fm — Scrobbling Workflow

naftiko: 1.0.0-alpha2
info:
  label: Last.fm — Scrobbling Workflow
  description: Authenticated end-to-end scrobbling workflow — acquire mobile session, mark now-playing, scrobble a played track, optionally love it.
  tags:
    - Last.fm
    - Music
    - Scrobbling
    - AudioScrobbler
  created: '2026-05-29'
  modified: '2026-05-29'
binds:
  - namespace: env
    keys:
      LASTFM_API_KEY: LASTFM_API_KEY
      LASTFM_SHARED_SECRET: LASTFM_SHARED_SECRET
      LASTFM_USERNAME: LASTFM_USERNAME
      LASTFM_PASSWORD: LASTFM_PASSWORD
capability:
  consumes:
    - type: http
      namespace: lastfm-scrobble
      baseUri: https://ws.audioscrobbler.com/2.0
      description: Authenticated scrobbling lifecycle for a single playback session.
      resources:
        - name: scrobble-flow
          path: /
          operations:
            - name: mobileSession
              method: POST
              description: Step 1 — exchange username/password for a session key (one-time per device).
              outputRawFormat: json
              inputParameters:
                - { name: method, in: formData, type: string, value: auth.getMobileSession }
                - { name: api_key, in: formData, type: string }
                - { name: username, in: formData, type: string }
                - { name: password, in: formData, type: string }
                - { name: api_sig, in: formData, type: string }
              outputParameters:
                - { name: sessionKey, type: string, value: $.session.key }
            - name: nowPlaying
              method: POST
              description: Step 2 — mark a track as currently playing for the user profile.
              outputRawFormat: json
              inputParameters:
                - { name: method, in: formData, type: string, value: track.updateNowPlaying }
                - { name: api_key, in: formData, type: string }
                - { name: artist, in: formData, type: string }
                - { name: track, in: formData, type: string }
                - { name: album, in: formData, type: string }
                - { name: duration, in: formData, type: integer }
                - { name: sk, in: formData, type: string }
                - { name: api_sig, in: formData, type: string }
              outputParameters:
                - { name: status, type: string, value: $.status }
            - name: scrobble
              method: POST
              description: Step 3 — scrobble the completed track (must meet 30s/half-duration threshold).
              outputRawFormat: json
              inputParameters:
                - { name: method, in: formData, type: string, value: track.scrobble }
                - { name: api_key, in: formData, type: string }
                - { name: artist, in: formData, type: string }
                - { name: track, in: formData, type: string }
                - { name: album, in: formData, type: string }
                - { name: timestamp, in: formData, type: integer }
                - { name: duration, in: formData, type: integer }
                - { name: sk, in: formData, type: string }
                - { name: api_sig, in: formData, type: string }
              outputParameters:
                - { name: result, type: object, value: $.scrobbles }
            - name: loveTrack
              method: POST
              description: Step 4 — optional love action for the just-played track.
              outputRawFormat: json
              inputParameters:
                - { name: method, in: formData, type: string, value: track.love }
                - { name: api_key, in: formData, type: string }
                - { name: artist, in: formData, type: string }
                - { name: track, in: formData, type: string }
                - { name: sk, in: formData, type: string }
                - { name: api_sig, in: formData, type: string }
              outputParameters:
                - { name: status, type: string, value: $.status }