Lunar Docs

# Products

# Overview

Products are generally what you will be selling in your store. You define all your attributes against the product and products can also have variations. In Lunar a product will always have at least one variation. From a UX point of view, it will just look like you're editing a single product, but behind the scenes you'll be editing one variant.

Products also belong to a ProductType and aside from the attributes, which you are free to define yourself, will have a base SKU and a brand name.

# Creating a product

Lunar\Models\Product::create([
    'product_type_id' => $productTypeId,
    'status' => 'published',
    'brand_id' => $brandId,
    'attribute_data' => [
        'name' => new TranslatedText(collect([
            'en' => new Text('FooBar'),
        ])),
        'description' => new Text('This is a Foobar product.'),
    ],
]);

# Customer Groups

You can assign customer groups to a product, this allows you to either always have that product enabled for the customer group, or you can state which dates they should be active for (as long as the customer group is enabled).

# Attaching customer groups


// Will schedule for this product to be enabled in 14 days for this customer group.
$product->schedule($customerGroup, now()->addDays(14));

// Schedule the product to be enabled straight away
$product->schedule($customerGroup);

// The schedule method will accept and array or collection of customer groups.
$product->schedule(CustomerGroup::get());

# Retrieving products for a customer group

If you want to get all products related to a customer group, you can use the customerGroup scope. This scope can either take a single customer group (or customer group id) or a collection/array of ids/customer group models.

// Can be an array of ids
$products = \Lunar\Models\Product::customerGroup(1)->paginate(50);

$products = \Lunar\Models\Product::customerGroup([
    $groupA,
    $groupB,
])->paginate(50);

# Product Types

e.g. Television, T-Shirt, Book, Phone, etc.

Assigns the appropriate attributes for the product type.

# Creating a product type

Lunar\Models\ProductType::create([
    'name' => 'Boots',
]);

Product Types also have Attributes associated to them. These associated attributes will determine what fields are available to products when editing. For example if you had an attribute of Screen Type associated to a TVs product type, any products with that product type would have access to that attribute when editing.

You can associate attributes to a product type like so (it's just a straight forward Polymorphic relationship (opens new window)).

$productType->mappedAttributes()->associate([ /* attribute ids ... */ ]);

You can associate both Product and ProductVariant attributes to a product type which will then display on either the product or product variant when editing.

WARNING

If you decide to delete an attribute, this will cause the association to be dropped and you could lose data.

# Retrieving the product type relationship

If you have a product, you can fetch its product type like so:

$product->productType;

$product->load(['productType']);

# Product Identifiers

You can choose to add product identifiers to each product variant. These are fields which, as the name suggests, allow you to identify a product and it's variants for use in your internal systems. You can choose whether these are required and unique in the hub whilst editing.

# Available fields

SKU

SKU stands for “stock keeping unit” and — as the name suggests — it is a number (usually eight alphanumeric digits) that you can assign to products to keep track of stock levels internally. If a product has different colors and sizes, each variation may use a unique SKU number.

GTIN

A Global Trade Item Number (GTIN) is a unique and internationally recognized identifier for a product. These usually accompany a barcode and are useful when using services such as Google to help them classify the product.

MPN

MPN (Manufacturer Part Number) is the product identifier used to differentiate a product among other (similar) products from the same brand/manufacturer, making it easier for customers to find and buy your products and protecting them from counterfeit.

EAN

European Article numbering code (EAN) is a series of letters and numbers in a unique order that helps identify specific products within your own inventory.

# Validation

Depending on your storefront needs, you might not need any of these fields to be required or unique. For this reason you can change this behaviour at a validation level.

config/lunar-hub/products.php

    'sku' => [
        'required' => true,
        'unique' => false,
    ],
    'gtin' => [
        'required' => false,
        'unique' => false,
    ],
    'mpn' => [
        'required' => false,
        'unique' => false,
    ],
    'ean' => [
        'required' => false,
        'unique' => false,
    ],

# Product Options

These are what you use to define the different options a product has available to it. These are directly related to the different variants a product might have. Each ProductOption will have a set of ProductOptionValue models related to it. For example:

You could have a ProductOption called "Colour" and then multiple ProductionOptionValue models for each colour you would like to offer.

TIP

Product options and Product option values are defined at a system level and are translatable.

# Creating a ProductOption

$option = Lunar\Models\ProductOption::create([
    'name' => [
        'en' => 'Colour',
        'fr' => 'Couleur',
    ],
]);

We can then create values for this option:

// Lunar\Models\ProductOptionValue
$option->values()->createMany([
    [
        'name' => [
            'en' => 'Blue',
            'fr' => 'Bleu',
        ],
    ],
    [
        'name' => [
            'en' => 'Red',
            'fr' => 'Rouge',
        ],
    ],
]);

This Product option and it's values are now ready to be used to with Product Variants.

# Product Shipping

By default Lunar will mark all product variants as shippable. If you don't need to ship a certain variant then you can simply set this to false.

$variant->update([
    'shippable' => false,
]);

# Product dimensions

Product's can have different dimensions assigned to them, the values we have available are

  • Length
  • Width
  • Height
  • Weight
  • Volume

For handling conversions, we use the Cartalyst Converter (opens new window) package. This supports a wide range of UOM and can convert those values to different measurements.

Each UOM has a corresponding _value and _unit column in the database. For example:

length_value
length_unit
width_value
width_unit

# Configuring measurements

You can configure the available UOM's in the lunar/shipping.php config file. Here is an example of what Lunar provides by default:

Length

  • m
  • mm
  • cm
  • ft
  • in

Width

  • kg
  • g
  • lbs

Volume

  • l
  • ml
  • gal
  • floz

# Getting and converting measurement values

You are free to access to the *_value and *_unit values for the variant and use them in their raw form, however we do offer an accessor for each unit that you can use:

$variant->length->to('length.ft')->convert();

# Volume calculation

Volume is calculated different to the rest of the measurements. You can either have it automatically figure out the volume or manually set it yourself:

$variant->update([
    'length_value' => 50,
    'length_unit' => 'mm',
    'height_value' => 50,
    'height_unit' => 'mm',
    'width_value' => 50,
    'width_unit' => 'mm',
])

// By default will return ml
$variant->volume->getValue(); // 125

// Use any UOM you want for volume
$variant->volume->to('volume.l')->convert()->getValue(); // 12.5

// Set the volume manually and it'll always use that.
$variant->update([
    'volume_unit' => 'floz',
    'volume_value' => 100
]);

$variant->volume->getValue(); // 100

$variant->volume->to('volume.l')->convert()->getValue(); // 2.95735...

Get a formatted value

If you want to display a formatted value, you can!

$variant->length->format(); // 50cm

# Variants

Variants allow you to specify different variations of a product. Think things like Small Blue T-shirt, or Size 8 and Size 9 Leather Boots. Your product is the main parent and your variants are based off that product to create multiple permutations.

Variants are also responsible for storing data such as Pricing, Inventory/Stock information, Shipping information etc. For that reason a product will always have at least one variant.

When you decide you want to offer more than one variant for a product, upon generation, Lunar will take the first variant and use that as a base for all other variants in terms of pricing, inventory etc. So you won't lose any data you may have already saved against the existing product.

# Creating variants

# New Product

If you have a new product, you would create your variants in bulk based on an array of ProductOptionValue IDs.

You will need to determine what variants you need to create and assign the correct option values to that variant.

For example, lets say we have an option "Colour" and we want to create "Blue" and "Red" variants.

TIP

A product variant will require a product, currency and a tax class. If you do not have these entities created, you will need to do so before continuing.

If needed, Create the product and tax class.

$product = Product::create([...]);
$taxClass = TaxClass::create([...]);
$currency = Currency::create([...]);

Otherwise, fetch them.

$product = Product::where(...)->first();
$taxClass = TaxClass::where(...)->first();
$currency = Currency::where(...)->first();

Then we need to create our base option and it's values.

$option = \Lunar\Models\ProductOption::create([
    'name' => [
        'en' => 'Colour',
    ];
]);

$blueOption = $option->values()->create([
    'name' => [
        'en' => 'Blue',
    ],
]);

$redOption = $option->values()->create([
    'name' => [
        'en' => 'Red',
    ],
]);

From here we create our variant, associate it with a product and a tax class, then attach the option id.

$blueVariant = ProductVariant::create([
    'sku' => 'blue-product',
]);

$blueVariant->values()->attach($blueOption);

$redVariant = ProductVariant::create([
    'product_id' => $product->id,
    'tax_class_id' => $taxClass->id,
    'sku' => 'red-product',
]);

$redVariant->values()->attach($redOption);

Now, we need to create a price for our variant. This is where we use our currency created or fetched earlier.

$variant->prices()->create([
    'price' => 199,
    'currency_id' => $currency->id,
]);

# Exceptions

When creating variants there are some exceptions that will be thrown if certain conditions are met.

Exception Conditions
Lunar\Exceptions\InvalidProductValuesException Thrown if you try and create a variant with less option values than what are required.
Illuminate\Validation\ValidationException Thrown if validation fails on the value options array.

# Pricing

# Overview

Prices are stored in the database as integers. When retrieving a Price model the price and compare_price attributes are cast to a Price datatype. This casting gives you some useful helpers when dealing with prices on your front end.

Field Description Default Required
price A integer value for the price null yes
compare_price For display purposes, allows you to show a comparison price, e.g. RRP. null no
currency_id The ID of the related currency null yes
tier The lower limit to get this price, 1 is the default for base pricing. 1 no
customer_group_id The customer group this price relates to, leaving as null means any customer group null no
priceable_type This is the class reference to the related model which owns the price null yes
priceable_id This is the id of the related model which owns the price null yes
$price = \Lunar\Models\Price::create([
    'price' => 199,
    'compare_price' => 299,
    'currency_id' => 1,
    'tier' => 1,
    'customer_group_id' => null,
    'priceable_type' => 'Lunar\Models\ProductVariant',
    'priceable_id' => 1,
]);

TIP

The same methods apply to the compare_price attribute

Return the value for the price column, as it is in the database

$price->price->value // 199

The decimal value takes in to account how many decimal places you have set for the currency. So in this example if the decimal places was 3 you would get 0.199

$price->price->decimal // 1.99

You can get the full formatted value for the price, this is based on the currency associated to that price.

$price->price->formatted // £1.99

The formatted price uses the native PHP NumberFormatter (opens new window). If you wish to specify a locale or formatting style you can, see the examples below.

$price->price->formatted('fr') // 1,99 £GB
$price->price->formatted('en-gb', \NumberFormatter::SPELLOUT) // one point nine nine.

# Base Pricing

Pricing is defined on a variant level, meaning you will have a different price for each variant and also for each currency in the system. In order to add pricing to a variant, you can either create the model directly or use the relationship method.

\Lunar\Models\Price::create([
    'price' => 199,
    'compare_price' => 299,
    'currency_id' => 1,
    'tier' => 1,
    'customer_group_id' => null,
    'priceable_type' => 'Lunar\Models\ProductVariant',
    'priceable_id' => 1,
]);

$variant->prices()->create([/* .. */]);

# Customer group pricing

You can specify which customer group the price applies to by setting the customer_group_id column. If left as null the price will apply to all customer groups. This is useful if you want to have different pricing for certain customer groups and also different price tiers per customer group.

# Tiered Pricing

Tiered pricing is a concept in which when you buy in bulk, the cost per item will change (usually go down). With Pricing on Lunar, this is determined by the tier column when creating prices. For example:

Price::create([
    // ...
    'price' => 199,
    'compare_price' => 399,
    'tier' => 1,
]);

Price::create([
    // ...
    'price' => 150,
    'compare_price' => 399,
    'tier' => 10,
]);

In the above example if you order between 1 and 9 items you will pay 1.99 per item. But if you order at least 10 you will pay 1.50 per item.

# Fetching the price

Once you've got your pricing all set up, you're likely going to want to display it on your storefront. We've created a PricingManager which is available via a facade to make this process as painless as possible.

To get the pricing for a product you can simple use the following helpers:

# Minimum example

A quantity of 1 is implied when not passed.

$pricing = \Lunar\Facades\Pricing::for($variant)->get();

# With Quantities

$pricing = \Lunar\Facades\Pricing::qty(5)->for($variant)->get();

# With Customer Groups

If you don't pass in a customer group, Lunar will use the default, including any pricing that isn't specific to a customer group.

$pricing = \Lunar\Facades\Pricing::customerGroups($groups)->for($variant)->get();

// Or a single customer group
$pricing = \Lunar\Facades\Pricing::customerGroup($group)->for($variant)->get();

# Specific to a user

The PricingManager assumes you want the price for the current authenticated user.

If you want to always return the guest price, you may use...

$pricing = \Lunar\Facades\Pricing::guest()->for($variant)->get();

Or to specify a different user...

$pricing = \Lunar\Facades\Pricing::user($user)->for($variant)->get();

# With a specific currency

If you don't pass in a currency, the default is implied.

$pricing = \Lunar\Facades\Pricing::currency($currency)->for($variant)->get();

# For a model

Assuming you have a model that implements the hasPrices trait, such as a ProductVariant, you can use the following to retrieve pricing.

$pricing = $variant->pricing()->qty(5)->get();

Be aware

If you try and fetch a price for a currency that doesn't exist, a Lunar\Exceptions\MissingCurrencyPriceException exception will be thrown.

This will return a PricingResponse object which you can interact with to display the correct prices. Unless it's a collection, each property will return a Lunar\Models\Price object.

/**
 * The price that was matched given the criteria.
 */
$pricing->matched;

/**
 * The base price associated to the variant.
 */
$pricing->base;

/**
 * A collection of all the price tiers available for the given criteria.
 */
$pricing->tiers;

/**
 * All customer group pricing available for the given criteria.
 */
$pricing->customerGroupPrices;

# Full Example

For this example, we're going to be creating some Dr. Martens boots. Below is a screenshot of what we're aiming for:

Here are the steps we're going to take:

  • Create our product type
  • Create the initial product
  • Create the product options and their values
  • Generate the variants based on those values

# Set up the product type.

$productType = Lunar\Models\ProductType::create([
    'name' => 'Boots',
]);

Note

This example assumes we already have Attributes set up for name and description and that they're assigned to the product type.

# Create the initial product

Lunar\Models\Product::create([
    'product_type_id' => $productType->id,
    'status' => 'published',
    'brand_id' => $brandId,
    'sku' => 'DRBOOT',
    'attribute_data' => [
        'name' => new TranslatedText(collect([
            'en' => new Text('1460 PATENT LEATHER BOOTS'),
        ])),
        'description' => new Text('Even more shades from our archive...'),
    ],
]);

# Product Options

Based on the example above we're going to need 2 options, Size and Colour.

$colour = Lunar\Models\ProductOption::create([
    'name' => [
        'en' => 'Colour',
    ],
]);

$size = Lunar\Models\ProductOption::create([
    'name' => [
        'en' => 'Size',
    ],
]);

# Product Option Values

From here we now need to create our option values like so:

$colour->values()->createMany([
    [
        'name' => [
            'en' => 'Black',
        ],
    ],
    [
        'name' => [
            'en' => 'White',
        ],
    ],
    [
        'name' => [
            'en' => 'Pale Pink',
        ],
    ],
    [
        'name' => [
            'en' => 'Mid Blue',
        ],
    ],
]);

// We won't do all the sizes here, just enough to get the idea...
$size->values()->createMany([
    [
        'name' => [
            'en' => '3',
        ],
    ],
    [
        'name' => [
            'en' => '6',
        ],
    ],
]);

# Generate the variants

First we just need to grab the values we want to use to generate the variants. Since we're generating them for everything, we just grab all of them.

$optionValueIds = $size->values->merge($colour->values)->pluck('id');

\Lunar\Hub\Jobs\Products\GenerateVariants::dispatch($product, $optionValueIds);

TIP

When generating variants, the sku will be derived from the Product's base SKU, in this case DRBOOT and will be suffixed with -{count}.

The resulting generation is as follows:

SKU Colour Size
DRBOOT-1 Black 3
DRBOOT-2 Black 6
DRBOOT-3 White 3
DRBOOT-4 White 6
DRBOOT-5 Pale Pink 3
DRBOOT-6 Pale Pink 6
DRBOOT-7 Mid Blue 3
DRBOOT-8 Mid Blue 6

You are then free to change the SKU's as you see fit, update the pricing for each variant etc before publishing.

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