promotion.create

This method is used to create a Promotion.

Version

Arguments

This method has the path /promotion/<version>/promotion.create and follows the MicroBase API calling conventions.

Argument	Required	Type	Example	Description
title	yes	String	3 at 10€ Promotion	Promotion title.
class	yes	String	default	Implementation class. 'default' is the one provided by microbase.
active	yes	Boolean	true	Active or disabled.
priority	yes	Number	100	Priority number to evaluate the promotions.
if	yes	JSON	{ category: { id:'By-4rrmsN', quantity: 3, lowestPrice: true } }	DSL os the Promotion rules
then	yes	JSON	{ category: {id: 'By-4rrmsN', 'quantity': 3, discount: {rate: 10, isFixedPrice: true } } }	DSL of the Promotion consequences.

The "if" and "then" fields

The "if" and "then" fields are part of a DSL (Domain Specification Language) based on JSON.

The "if" field

The if field determines if the Promotion will be fired or not. It contains one (and only one) of this objects:

category
product
all
any

The "category" rule

The category rule defines a Category and the quantity of products that needs to be present in the Cart to fire the promotion.

Field	Required	Type	Example	Description
id	yes	String	By-4rrmsN	The Category ID.
quantity	yes	Number	3	The needed quantity.
threshold	no	Number	0.3	Number betweem 0 and 1 to determine the how close is this item to fire a promotion. Default: `(promotionQuantity - 1) / promotionQuantity`.
lowestPrice	no	Boolean	true	If several products present on the cart belongs to this category, select the one with the lowest price.

{
  "category" : {
    "id" : "By-4rrmsN", 
    "quantity" : 3, 
    "lowestPrice" : true
  }
}

The "product" rule

The product rule defines a Product and the quantity of the Product that needs to be present in the Cart to fire the promotion.

Field	Required	Type	Example	Description
id	yes	String	By-4rrmsN	The Category ID.
quantity	yes	Number	3	The needed quantity.
threshold	no	Number	0.3	Number betweem 0 and 1 to determine the how close is this item to fire a promotion. Default: `(promotionQuantity - 1) / promotionQuantity`.

{
  "product" : {
      "id" : "SksexGRPn4", 
      "quantity" : 2, 
      "threshold" : 0.3
  }
}

The "all" rule

The all rule is an array of any number of this rules:

category
product
all
any

All the rules in the array must be fullfilled to fire the promotion.

{
  "all" : [
    {
      "product" : {
        "id" : "SksexGRPn4", 
        "quantity" : 3, 
        "threshold" : 0.3
      }
    }, 
    {
      "category" : {
        "id" : "By-4rrmsN", 
        "quantity" : 2, 
        "lowestPrice" : true
      }
    }
  ]
}

The "any" rule

The any rule is an array of any number of this rules:

category
product
all
any

If any of the rules in the array is fullfilled the promotion is fired.

{
  "any" : [
    {
      "product" : {
        "id" : "SksexGRPn4", 
        "quantity" : 3
      }
    }, 
    {
      "product" : {
        "id" : "aNser15F", 
        "quantity" : 2
      }
    }
  ]
}

The "then" field

The then field determines the discounts to be applied once it's fired (the if are true). It contains one (and only one) of this objects:

category
product
all
any

The "category" rule

The category rule defines a Category and the quantity of products in that Category that will be discounted.

Field	Required	Type	Example	Description
id	yes	String	By-4rrmsN	The Category ID.
quantity	yes	Number	1	The quantity of products to be discounted.
discount	yes	JSON	{ rate: 10, isPercentage: true }	The discount to be applied

The `discount` object

Field	Required	Type	Example	Description
rate	yes	Number	10	The number to use in the discount.
isPercentage	no	Boolean	true	The rate is a percentaje number, ie: 10%
isFixedPrice	no	Boolean	true	The rate is the final price of the product, ie: 10€

If none of isPercentage or isFixedPrice are present, the rate is an ammount to discount, ie: -10€

{
  "category" : {
    "id" : "By-4rrmsN", 
    "quantity" : 1, 
    "discount" : {
      "rate" : 10, 
      "isPercentage" : true
    }
  }
}

The "product" rule

The product rule defines a Product and the quantity of this Product that will be discounted.

Field	Required	Type	Example	Description
id	yes	String	SksexGRPn4	The Product ID.
quantity	yes	Number	1	The quantity of products to be discounted.
discount	yes	JSON	{ rate: 10, isPercentage: true }	The discount to be applied

The "discount" object

Field	Required	Type	Example	Description
rate	yes	Number	10	The number to use in the discount.
isPercentage	no	Boolean	true	The rate is a percentaje number, ie: 10%
isFixedPrice	no	Boolean	true	The rate is the final price of the product, ie: 10€

If none of isPercentage or isFixedPrice are present, the rate is an ammount to discount, ie: -10€

{
  "product" : {
    "id" : "SksexGRPn4", 
    "quantity" : 1, 
    "discount" : {
      "rate" : 10, 
      "isPercentage" : true
    }
  }
}

The "all" rule

The all rule is an array of any number of this rules:

category
product
all
any

All the rules in the array will applied as discounts.

{
  "all" : [
    {
      "product" : {
        "id" : "SksexGRPn4", 
        "quantity" : 1, 
        "discount" : {
          "rate" : 10, 
          "isPercentage" : true
        }
      }
    }, 
    {
      "category" : {
        "id" : "By-4rrmsN", 
        "quantity" : 1, 
        "discount" : {
          "rate" : 10, 
          "isPercentage" : true
        }
      }
    }
  ]
}

The "any" rule

The any rule is an array of any number of this rules:

category
product
all
any

Only the first of the rules will be appiad as discount.

{
  "any" : [
    {
      "product" : {
        "id" : "SksexGRPn4", 
        "quantity" : 1, 
        "discount" : {
          "rate" : 10, 
          "isPercentage" : true
        }
      }
    }, 
    {
      "product" : {
        "id" : "aNser15F", 
        "quantity" : 1, 
        "discount" : {
          "rate" : 10, 
          "isPercentage" : true
        }
      }
    }
  ]
}

Response

Returns a Promotion object:

{
  "ok": true,
  "promotion":  { 
    "id" : "ryUGgm44", 
    "title" : "3 at 10€ Promotion", 
    "class" : "default", 
    "active" : false, 
    "priority" : 100, 
    "if" : {
      "category" : {
        "id" : "By-4rrmsN", 
        "quantity" : 3, 
        "lowestPrice" : true
      }
    }, 
    "then" : {
      "category" : {
        "id" : "By-4rrmsN", 
        "quantity" : 3, 
        "discount" : {
          "rate" : 10, 
          "isFixedPrice" : true
        }
      }
    }
  }
}

Errors

Expected errors that this method could return. Some errors return additional data.

Error	Data	Description
validation_error	The data causing the error	Some validation error

Example

curl --request POST \
  --url http://localhost:3000/services/promotion/v1/promotion.create \
  --header 'authorization: Bearer xxxxx...' \
  --header 'accept: application/json' \
  --header 'content-type: application/json' \
  --data '{ "ok": true, \
            "promotion":  { \ 
              "id" : "ryUGgm44", \ 
              "title" : "3 at 10€ Promotion", \ 
              "class" : "default", \ 
              "active" : false, \
              "priority" : 100, \
              "if" : { "category" : { "id" : "By-4rrmsN", "quantity" : 3, "lowestPrice" : true } }, \ 
              "then" : { "category" : { "id" : "By-4rrmsN", "quantity" : 3, "discount" : { "rate" : 1000, "isFixedPrice" : true } } } \
          } }'

Events

A Promotion creation fires a CREATE event in the PROMOTIONS channel.

Payload

Property	Description
new	The new Promotion created
data	The request data used to crate the Promotion

promotion.create

Version

Arguments

The "if" and "then" fields

The "if" field

The "category" rule

The "product" rule

The "all" rule

The "any" rule

The "then" field

The "category" rule

The discount object

The "product" rule

The "discount" object

The "all" rule

The "any" rule

Response

Errors

Example

Events

Payload

The `discount` object