Process any kind of message in Stacks

message_types_example.exs

# Example Stack that shows how to process every possible WhatsApp message type
# This is still under development and the syntax might change before it's finalized and
# published in our docs.

card Start, then: ProcessResponse do
  response =
    ask("""
    Please reply with any kind of message.

    Supported message types are:
    - text
    - image
    - audio
    - video
    - document
    - voice
    - location
    - sticker
    """)
end

card ProcessResponse when event.message.type == "image" do
  text("""
  User sent an *IMAGE* message.

  Media ID: @event.message.image.id
  MIME type: @event.message.image.mime_type

  Your server can retrieve the media using our API:
  https://whatsapp.turn.io/docs/api/media#retrieving-media
  """)
end

card ProcessResponse when event.message.type == "video" do
  text("""
  User sent a *VIDEO* message.

  Media ID: @event.message.video.id
  MIME type: @event.message.video.mime_type
  Caption: @event.message.video.caption

  Your server can retrieve the media using our API:
  https://whatsapp.turn.io/docs/api/media#retrieving-media
  """)
end

card ProcessResponse when event.message.type == "document" do
  text("""
  User sent a *DOCUMENT* message.

  Media ID: @event.message.document.id
  MIME type: @event.message.document.mime_type
  File name: @event.message.document.filename

  Your server can retrieve the media using our API:
  https://whatsapp.turn.io/docs/api/media#retrieving-media
  """)
end

card ProcessResponse when event.message.type == "location" do
  text("""
  User sent a *LOCATION* message.

  Latitude: @event.message.location.latitude
  Longitude: @event.message.location.longitude
  """)
end

card ProcessResponse when event.message.type == "voice" do
  text("""
  User sent a *VOICE* message.

  Media ID: @event.message.voice.id
  MIME type: @event.message.voice.mime_type

  Your server can retrieve the media using our API:
  https://whatsapp.turn.io/docs/api/media#retrieving-media
  """)
end

card ProcessResponse when event.message.type == "audio" do
  text("""
  User sent an *AUDIO* message.

  Media ID: @event.message.audio.id
  MIME type: @event.message.audio.mime_type

  Your server can retrieve the media using our API:
  https://whatsapp.turn.io/docs/api/media#retrieving-media
  """)
end

card ProcessResponse when event.message.type == "sticker" do
  text("""
  User sent a *STICKER* message.

  Media ID: @event.message.sticker.id
  Sticker Metadata: @event.message.sticker.metadata
  MIME type: @event.message.sticker.mime_type

  Your server can retrieve the media using our API:
  https://whatsapp.turn.io/docs/api/media#retrieving-media
  """)
end

card ProcessResponse when event.message.type == "text" do
  text("""
  User sent a *TEXT* message.

  Text: @response
  """)
end

card ProcessResponse do
  text("Unhandled message type @event.message.type")
end