{
  "fieldia": "0.1",
  "id": "purchase-order",
  "title": "Purchase order",
  "description": "What you buy from a vendor, when it should arrive, and what it costs.",
  "data": {
    "kind": "record",
    "model": "purchase.order"
  },
  "maxWidth": "full",
  "look": {
    "theme": "ant"
  },
  "fields": {
    "name": {
      "type": "char",
      "label": "Reference",
      "readonly": true,
      "default": "New"
    },
    "state": {
      "type": "selection",
      "label": "Status",
      "options": [
        {
          "value": "draft",
          "label": "Request for quotation"
        },
        {
          "value": "sent",
          "label": "Sent"
        },
        {
          "value": "purchase",
          "label": "Purchase order"
        },
        {
          "value": "done",
          "label": "Received"
        }
      ],
      "default": "draft"
    },
    "partner_id": {
      "type": "many2one",
      "label": "Vendor",
      "relation": "partner",
      "required": true
    },
    "vendor_ref": {
      "type": "char",
      "label": "Vendor reference"
    },
    "order_date": {
      "type": "date",
      "label": "Order date",
      "required": true
    },
    "expected_date": {
      "type": "date",
      "label": "Expected arrival"
    },
    "deliver_to": {
      "type": "selection",
      "label": "Deliver to",
      "options": [
        {
          "value": "main",
          "label": "Main warehouse"
        },
        {
          "value": "shop",
          "label": "Shop"
        },
        {
          "value": "office",
          "label": "Office"
        }
      ],
      "default": "main"
    },
    "line_ids": {
      "type": "one2many",
      "label": "Products",
      "relation": "purchase.order.line",
      "fields": {
        "product_id": {
          "type": "many2one",
          "label": "Product",
          "relation": "product"
        },
        "name": {
          "type": "char",
          "label": "Description"
        },
        "quantity": {
          "type": "float",
          "label": "Quantity",
          "digits": [
            8,
            2
          ],
          "default": 1,
          "min": 0
        },
        "price_unit": {
          "type": "monetary",
          "label": "Unit price",
          "currency": "USD",
          "min": 0
        },
        "discount": {
          "type": "float",
          "label": "Disc. %",
          "digits": [
            5,
            1
          ],
          "min": 0,
          "max": 100,
          "default": 0
        },
        "subtotal": {
          "type": "monetary",
          "label": "Subtotal",
          "currency": "USD",
          "compute": "quantity * price_unit * (1 - discount / 100)"
        }
      }
    },
    "amount_untaxed": {
      "type": "monetary",
      "label": "Untaxed amount",
      "currency": "USD",
      "compute": "sum(line_ids, 'subtotal')"
    },
    "amount_tax": {
      "type": "monetary",
      "label": "Tax 14%",
      "currency": "USD",
      "compute": "round(amount_untaxed * 0.14, 2)"
    },
    "amount_total": {
      "type": "monetary",
      "label": "Total",
      "currency": "USD",
      "compute": "amount_untaxed + amount_tax"
    },
    "terms": {
      "type": "text",
      "label": "Terms"
    }
  },
  "layout": {
    "type": "sheet",
    "id": "sheet",
    "title": {
      "field": "name",
      "label": "Purchase order"
    },
    "statusbar": {
      "field": "state",
      "clickable": true
    },
    "buttons": [
      {
        "type": "button",
        "id": "b-send",
        "label": "Send by email",
        "style": "primary",
        "steps": [
          {
            "do": "set",
            "field": "state",
            "value": "'sent'"
          },
          {
            "do": "save"
          }
        ],
        "invisible": "state != 'draft'"
      },
      {
        "type": "button",
        "id": "b-confirm",
        "label": "Confirm order",
        "style": "primary",
        "steps": [
          {
            "do": "set",
            "field": "state",
            "value": "'purchase'"
          },
          {
            "do": "save"
          }
        ],
        "invisible": "state not in ('draft', 'sent')"
      },
      {
        "type": "button",
        "id": "b-receive",
        "label": "Receive products",
        "steps": [
          {
            "do": "set",
            "field": "state",
            "value": "'done'"
          },
          {
            "do": "save"
          }
        ],
        "invisible": "state != 'purchase'"
      }
    ],
    "children": [
      {
        "type": "section",
        "id": "header",
        "columns": {
          "wide": 2,
          "medium": 1
        },
        "children": [
          {
            "type": "field",
            "id": "f-partner",
            "field": "partner_id"
          },
          {
            "type": "field",
            "id": "f-order-date",
            "field": "order_date"
          },
          {
            "type": "field",
            "id": "f-vendor-ref",
            "field": "vendor_ref"
          },
          {
            "type": "field",
            "id": "f-expected",
            "field": "expected_date"
          },
          {
            "type": "field",
            "id": "f-deliver",
            "field": "deliver_to"
          }
        ]
      },
      {
        "type": "field",
        "id": "f-lines",
        "field": "line_ids",
        "readonly": "state == 'done'"
      },
      {
        "type": "section",
        "id": "foot",
        "columns": {
          "wide": 2,
          "medium": 1
        },
        "children": [
          {
            "type": "field",
            "id": "f-terms",
            "field": "terms",
            "labels": "hidden",
            "placeholder": "Terms: delivery, payment, warranty"
          },
          {
            "type": "section",
            "id": "foot-totals",
            "columns": 1,
            "labels": "beside",
            "children": [
              {
                "type": "field",
                "id": "f-untaxed",
                "field": "amount_untaxed"
              },
              {
                "type": "field",
                "id": "f-tax",
                "field": "amount_tax"
              },
              {
                "type": "field",
                "id": "f-total",
                "field": "amount_total"
              }
            ]
          }
        ]
      }
    ]
  }
}