kapruka_check_delivery
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Check whether Kapruka can deliver to a given city on a given date, and at what rate.
Returns the flat delivery rate (LKR), whether the requested date is available,
and — if not — the next available date plus reason. Kapruka delivers as a
single shipment per order at one flat rate regardless of item count.
Pass product_id whenever the customer has named a product: the answer then
also checks that ITEM's delivery scope (restaurant food, hotel cakes and
liquor only reach selected cities, typically the Colombo area). With a
product_id, available is true only if the date is open AND the item is
deliverable to that city. When item_deliverable is false, offer the
customer one of the returned deliverable_cities or an island-wide
alternative — do not attempt kapruka_create_order with the same city, it
will be rejected. An unknown product_id is silently ignored (no item fields
in the result), so check item_deliverable is present before relying on it.
Perishable codes (CAKE*, FLOWER*, COMBO*) additionally get a freshness
warning when the chosen delivery date is more than 1 day out.
Args:
params (CheckDeliveryInput):
- city (str): Canonical city name (e.g. 'Colombo 03', 'Galle')
- delivery_date (Optional[str]): YYYY-MM-DD; defaults to today (LK time)
- product_id (Optional[str]): Check the city against this item's delivery scope
- response_format (str): 'markdown' (default) or 'json'
Returns:
str: Delivery feasibility + rate in the requested format.
JSON schema:
{
"city": str,
"now": str, # ISO timestamp, Sri Lanka time
"checked_date": str, # YYYY-MM-DD
"available": bool, # date open AND (if product_id) item deliverable
"rate": number, # flat LKR rate per order
"currency": "LKR",
"reason": str | null, # date-block message, else "This item is not delivered to <City>."
"next_available_date": str|null, # only for date blocks
"item_deliverable": bool, # only when product_id resolved to a real product
"deliverable_cities": [str], # only when item_deliverable=false (capped at 60)
"perishable_warning": str | null # populated when product_id is perishable
}
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| params | any | yes |
Raw JSON schema
{
"$defs": {
"CheckDeliveryInput": {
"additionalProperties": false,
"properties": {
"city": {
"description": "Canonical city name (use kapruka_list_delivery_cities to find one). Examples: 'Colombo 03', 'Anuradhapura', 'Galle'.",
"maxLength": 100,
"minLength": 2,
"title": "City",
"type": "string"
},
"delivery_date": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Target delivery date in ISO format (YYYY-MM-DD), Sri Lanka time. Omit to check today.",
"title": "Delivery Date"
},
"product_id": {
"anyOf": [
{
"maxLength": 80,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Product ID to check the city AGAINST THAT ITEM'S delivery scope. Food, hotel cakes and liquor only reach selected cities — always pass this when a customer names a product and a city, and only promise delivery if `available` is true. Also adds a freshness warning for perishable codes (cake/flower/combo) when the date is >1 day out.",
"title": "Product Id"
},
"response_format": {
"default": "markdown",
"description": "'markdown' (default) or 'json'",
"title": "Response Format",
"type": "string"
}
},
"required": [
"city"
],
"title": "CheckDeliveryInput",
"type": "object"
}
},
"properties": {
"params": {
"$ref": "#/$defs/CheckDeliveryInput"
}
},
"required": [
"params"
],
"title": "kapruka_check_deliveryArguments",
"type": "object"
}