20-For-Loop-Call.yaml

# yaml-language-server: $schema=https://www.membrane-api.io/v7.1.2.json
#
# Tutorial: Loop and Call
#
# Iterates over the `fruits` array in the request body.
# Each element is sent as JSON to the fruitshop API.
#
# Expected input:
#    {
#      "fruits": [
#        { "name": "Mango", "price": 1.23 },
#        { "name": "Papaya", "price": 2.10 }
#      ]
#    }
#
# Try:
#    curl -d @fruits.json -H "Content-Type: application/json" localhost:2000
#
# Verify results:
#   https://api.predic8.de/shop/v2/products?limit=1000
#   Search for: apricot, date, papaya

api:
  port: 2000
  flow:
    - for:
        # Evaluates to a list of Maps like [{ "name": "Mango", "price": 1.23 },..]
        in: $.fruits
        language: jsonpath
        flow:
          - setBody:
              # Serialize the current item to a JSON string
              value: ${toJSON(it)}
          - call:
              method: POST
              url: https://api.predic8.de/shop/v2/products
          - log:
              message: "Created product: ${it['name']}"
    - return:
        status: 200