@janiscommerce/picking-helpers v2.3.1

Picking Helpers

This package provides controllers to help process a picked item.

📦 Installation

npm install @janiscommerce/picking-helpers

:new: Barcode Type Controller

It's a controller to communicate with Catalog service and get the Barcode Types.

Methods

• barcodeType.get(getParams): Get barcode-types from Catalog service
  • Params:
    • getParams: Model get params such as filters.
  • Returns:
    • Array of objects The obtained barcode-types

const { BarcodeType } = require('@janiscommerce/picking-helpers');

const barcodeType = this.session.getSessionInstance(BarcodeType);

const barcodeTypes = await barcodeType.get({ filters: { id: '642b45ed9abb57f2b8afb9e5' } });

/* 
    response: [
        {
            id: '642b45ed9abb57f2b8afb9e5',
            name: 'SomeBarcodeType',
            type: 'ean13',
            // ...
        }
    ]
*/

:new: Barcode Controller

It's a controller to validate and process EAN-13 and code128 barcodes.

Methods

Validate Barcode Length

• Barcode.validateLength(barcodeToValidate, barcodeTypes): Validate the barcode length
  • Params:
    • barcodeToValidate: String picked Barcode
    • barcodeTypes: (optional) Object | Array of objects Item's Barcode Types (from Catalog service), used only for code128, if not received, it will be processed as EAN.
  • Returns:
    • Boolean

const { Barcode } = require('@janiscommerce/picking-helpers');

// EAN
Barcode.validateLength('7002454050008'); // response: true
Barcode.validateLength('7002'); // response: false

// code128
const barcodeType = {
    name: 'SomeBarcodeType',
    type: 'code128',
    length: 15,
    // ...
}

Barcode.validateLength('700245405000848', [barcodeType]); // response: true
Barcode.validateLength('7002', barcodeType); // response: false

Get SKU Identifiers

• Barcode.getSkuIdentifiers(barcode, barcodeTypes): Returns the SKU Identifiers
  • Params:
    • barcode: String picked Barcode
    • barcodeTypes: (optional) Object | Array of objects Item's Barcode Types (from Catalog service), used only for code128, if not received, it will be processed as EAN.
  • Returns
    • Array of String

const { Barcode } = require('@janiscommerce/picking-helpers');

// EAN
Barcode.getSkuIdentifiers('123456789123');

/*
    response: [
        '1234567890005',
        '1234567800004',
        '1234567000008',
        '1234560000005',
        '1234500000003'
    ]
*/

// code128
const barcodeType = {
    name: 'SomeBarcodeType',
    type: 'code128',
    length: 15
    catalogation: {
        referenceIdPosition: {
            start: 0,
            end: 6
        }
    }
    // ...
}

Barcode.getSkuIdentifiers('123456000098765', [barcodeType]);

/*
    response: ['123456']
*/

Get Barcode Variables

• Barcode.getVariables(barcode, productGroups|barcodeTypes): Returns the variables according to the barcode and its Product Group behavior or Barcode Type variables
  • Params:
    • barcode: String picked Barcode
    • productGroups|barcodeTypes: (optional) Object | Array of objects Item's Product Groups or Barcode Types. Product Groups will only work for EAN and if this parameter is not passed the barcode will be processed as EAN.
  • Returns:
    • Object with variable type as key, if there is no variable type, the key will be default.

const { Barcode } = require('@janiscommerce/picking-helpers');

// EAN
const productGroup = {
    name: 'Pets Food',
    behaviors:{
        eanVariableType: 'quantity',
        eanMeasurementUnit: 'gr,
        skuIdentifierLength: 7
    }
    // ...
}

Barcode.getVariables('7002454040008');

/*
    response: {
        default: 4000
    }
*/

Barcode.getVariables('7002454009008', [productGroup]);

/*
    response: {
        quantity: 900
    }
*/

//code128
const barcodeType = {
    name: 'SomeBarcodeType',
    type:'code128',
    length: 15,
    variables: [
        {
            type: 'price',
            position: {
                start: 7,
                end: 11
            }
        },
        {
            type: 'quantity',
            position: {
                start: 12,
                end: 15
            }
        }
    ],
    catalogation: {
        referenceIdPosition: {
            start: 0,
            end: 6
        }
    }
}

Barcode.getVariables('700245407009035', [barcodeType]);

/*
    response: {
        price: 700,
        quantity: 35
    }
*/

Get Original Barcode

• Barcode.getOriginal(barcode, productGroups|barcodeTypes, length): Identify according to the Product Groups or Barcode Types.
  • Params:
    • barcode: String picked Barcode
    • productGroups|barcodeTypes: (optional) Object | Array of objects Item's Product Groups or Barcode Types. Product Groups will only work for EAN and if this parameter is not passed the barcode will be processed as EAN.
    • length: (optional) Number SKU Identifier length, only for EAN, if it's not passed, will try to search it in the Product Group/Barcode Type.
  • Returns:
    • String original Barcode

const { Barcode } = require('@janiscommerce/picking-helpers');

// EAN
const productGroup = {
    name: 'Pets Food',
    behaviors:{
        eanVariableType: 'quantity',
        eanMeasurementUnit: 'gr,
        skuIdentifierLength: 7
    }
    // ...
}

Barcode.getOriginal('7002454050008'); // response: 7002454050008
Barcode.getOriginal('7002454050008', [productGroup]); // response: 7002454000004

//code128
const barcodeType = {
    name: 'SomeBarcodeType',
    type:'code128',
    length: 15,
    variables: [
        {
            type: 'price',
            position: {
                start: 7,
                end: 11
            }
        },
        {
            type: 'quantity',
            position: {
                start: 12,
                end: 15
            }
        }
    ],
    catalogation: {
        referenceIdPosition: {
            start: 0,
            end: 6
        }
    }
}

Barcode.getOriginal('700245407009035', [barcodeType]);

/*
    response: 7002454
*/

// Using completeWithZero: true
const barcodeTypeNew = {
    ...barcodeType,
    catalogation: {
        referenceIdPosition: {
            start: 0
            end: 6
        },
        completeWithZero: true
    }
}

Barcode.getOriginal('700245407009035', [barcodeType]);

/*
    response: 700245400009000
*/

:new: Totals Controller

Identifies the real totals for picked items with EAN-13 and code128 barcodes.

• Totals.calculate(pickedItem): Process the item and returns the totals according to the Barcode, Product Groups or BarcodeTypes and Measurement Units.
  • Params:
    • pickedItem: Object
    • Response: Object

:information_source: Picked item's Product Groups will only work for EAN barcodes, for code128 use Picked item's Barcode Types, EANs also work with Barcode Types that are type 'ean13'.

Response

The response will have the next fields:

• barcodeCount: Total numbers of units per Barcode
• pricePerUnit: Price per unit per Barcode (only when barcode with price and quantity variables is present)
• quantityPerBarcode: Quantity per Barcode
• totalQuantity: Total Quantity
• error: The error message (only if cannot process the item)

Available variable types

• expirationDate: (only for code128) Item's expiration date
• batch: (only for code128) Item's batch
• price: Item's price
• quantity: Item's quantity
• none: No behavior

:warning: Any other type not listed here will be considered unknown and cannot be processed.

Example

const { Totals } = require('@janiscommerce/picking-helpers');

// EAN
const pickedItem = {
    price: 50,
    unitMultiplier: 1,
    sellingUnitMultiplier: 1,
    measurementUnit: 'gr',
    sellingMeasurementUnit: 'gr',
    barcode: '7002454005009', // still compatible with 'ean' field
    barcodeCount: 2, // still compatible with 'eanCount' field
    productGroups: [{
        behaviors: {
            eanVariableType: 'quantity',
            eanMeasurementUnit: 'gr'
        }
    }]
    // ...
}

Totals.calculate(pickedItem);

/*
    response: {
        barcodeCount: 2,
        quantityPerBarcode: 500,
        totalQuantity: 1000
    }
*/

//code128
const pickedItem = {
    price: 70,
    unitMultiplier: 1,
    sellingUnitMultiplier: 1,
    measurementUnit: 'gr',
    sellingMeasurementUnit: 'gr',
    barcode: '700245407009035',
    barcodeCount: 2,
    barcodeTypes: [{
        name: 'SomeBarcodeType',
        type:'code128',
        length: 15,
        variables: [
            {
                type: 'price',
                position: {
                    start: 7,
                    end: 11
                }
            },
            {
                type: 'quantity',
                position: {
                    start: 12,
                    end: 15
                }
            }
        ],
        catalogation: {
            referenceIdPosition: {
                start: 0,
                end: 6
            }
        }
    }]
}

Totals.calculate(pickedItem);

/*
    response: {
        barcodeCount: 2,
        pricePerUnit: 10
        quantityPerBarcode: 35,
        totalQuantity: 70
    }
*/

:warning: Deprecated Controllers

These controllers are kept for retrocompatibily and they still work as exactly as they used to, including the method names, parameters and responses.

EAN Controller

:warning: Deprecated: Use Barcode controller instead.

It is a controller for validate and process EAN-13.

Methods

Validate EAN Length

• Ean.validateEanLength(eanToValidate): Validate the EAN length
  • Params:
    • eanToValidate: String picked EAN
  • Returns:
    • Boolean

const { Ean } = require('@janiscommerce/picking-helpers');

console.log(Ean.validateEanLength('7002454050008'));// response: true
console.log(Ean.validateEanLength('7002')) // response: false

Get SKU Identifiers

• Ean.getSkuIdentifiers(ean): Returns the SKU Identifier for many lengths
  • Params:
    • ean: String picked EAN
  • Returns:
    • Array of String

const { Ean } = require('@janiscommerce/picking-helpers');

console.log(Ean.getSkuIdentifiers('123456789123')); // response: ['1234567890005', '1234567800004', '1234567000008', '1234560000005', '1234500000003']

Get Ean Variable

• Ean.getEanVariable(ean, productGroups): Returns the variable according to the EAN and the Product Group behavior.
  • Params:
    • ean: String picked EAN
    • productGroups: (optional) Array of Objects Item's Product Groups, if it are not passed will use only picked EAN
  • Returns:
    • Number

const { Ean } = require('@janiscommerce/picking-helpers');

const productGroup = {
    id: 'd555345345345as67a342a',
    referenceId: 'SRI-0123',
    name: 'Pets Food',
    behaviors: {
        eanVariableType: 'quantity',
        eanMeasurementUnit: 'gr',
        skuIdentifierLength: 7
    }
}

console.log(Ean.getEanVariable('7002454040008')); // response: 4000
console.log(Ean.getEanVariable('7002454040008', [productGroup])); // response: 900

Get Original EAN

• Ean.getOriginalEan(ean, productGroups, length): Identify according to the Product Groups and returns the original EAN
  • Params:
    • ean: String picked EAN
    • productGroups: (optional) Array of Objects Item's Product Groups, if it are not passed identify the original EAN with the picked EAN value
    • length: (optional) Number SKU Identifier length, if it is not passed will try to search it in the Product Group
  • Returns:
    • String original EAN

Example

const { Ean } = require('@janiscommerce/picking-helpers');

const productGroup = {
    id: 'd555345345345as67a342a',
    referenceId: 'SRI-0123',
    name: 'Pets Food',
    behaviors: {
        eanVariableType: 'quantity',
        eanMeasurementUnit: 'gr',
        skuIdentifierLength: 7
    }
}

console.log(Ean.getOriginalEan('7002454050008')); // response: '7002454050008'
console.log(Ean.getOriginalEan('7002454050008', [productGroup])); // response: '7002454000004'

Totalizer Controller

:warning: Deprecated: Use Totals controller instead.

Controller for identify the real totals for a picked items.

• Totalizer.calculate(pickedItem): Process the item, and returns the totals according with EAN, Products Groups Behaviors, Measurement Units.
  • Params:
    • pickedItem: Object
  • Response: See Next

Response

The response will have this fields

• eanCount, Total numbers of units per EAN
• quantityPerEan, Quantity Per EAN
• totalQuantity, Total Quantity
• error (only if cannot process the item)

Available EAN Variable Types

• quantity
• price
• none or (no behavior)

Every other type will match as unknown and cannot be processed

Example

const { Totalizer } = require('@janiscommerce/picking-helpers');

const pickedItem = {
    // ... other fields that the controller not used
    price: 50,
	unitMultiplier: 1,
	sellingUnitMultiplier: 1,
    measurementUnit: 'gr',
	sellingMeasurementUnit: 'gr',
	ean: '7002454005009',
    eanCount: 2,
    productGroups: [{
        behaviors: {
            eanVariableType: 'quantity',
            eanMeasurementUnit: 'gr'
        }
    }]
};

console.log(Totalizer.calculate(pickedItem));

/* Response:
{
    eanCount: 2,
    quantityPerEan: 500,
    totalQuantity: 1000
}

*/

:new: Quantity rounding

Now the quantities will be rounded taking into account the price in the EAN and the item's product group variable type

const { Totalizer } = require('@janiscommerce/picking-helpers');

const pickedItem = {
    // ... other fields that the controller not used
    price: 11.11,
	unitMultiplier: 1,
	sellingUnitMultiplier: 1,
    measurementUnit: 'un',
	sellingMeasurementUnit: 'un',
	ean: '2610610013888',
    eanCount: 1,
    productGroups: [{
        behaviors: {
            eanVariableType: 'price',
            eanDecimals: 2
        }
    }]
};

console.log(Totalizer.calculate(pickedItem));

/* Response (before changes):
{
    eanCount: 1,
    quantityPerEan: 1.2493249324932494
    totalQuantity: 1.2493249324932494
}

/* Response (after changes):
{
    eanCount: 1,
    quantityPerEan: 1.25,
    totalQuantity: 1.25
}

*/