docs: improve links to other modules docs (#11868)

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Shahed Nasser authored and GitHub committed 2025-03-17 12:17:39 +02:00
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@@ -1,4 +1,4 @@
import { CodeTabs, CodeTab } from "docs-ui"
import { CodeTabs, CodeTab, Table } from "docs-ui"
export const metadata = {
title: `Links between Product Module and Other Modules`,
@@ -18,12 +18,110 @@ Read-only links are used to query data across modules, but the relations aren't
</Note>
- [`Product` data model \<\> `Cart` data model of Cart Module](#cart-module). (Read-only).
- [`Product` data model \<\> `ShippingProfile` data model of Fulfillment Module](#fulfillment-module).
- [`ProductVariant` data model \<\> `InventoryItem` data model of Inventory Module](#inventory-module).
- [`Product` data model \<\> `Order` data model of Order Module](#order-module). (Read-only).
- [`ProductVariant` data model \<\> `PriceSet` data model of Pricing Module](#pricing-module).
- [`Product` data model \<\> `SalesChannel` data model of Sales Channel Module](#sales-channel-module).
<Table>
<Table.Header>
<Table.Row>
<Table.HeaderCell>
First Data Model
</Table.HeaderCell>
<Table.HeaderCell>
Second Data Model
</Table.HeaderCell>
<Table.HeaderCell>
Type
</Table.HeaderCell>
<Table.HeaderCell>
Description
</Table.HeaderCell>
</Table.Row>
</Table.Header>
<Table.Body>
<Table.Row>
<Table.Cell>
[Cart](/references/cart/models/Cart) in [Cart Module](../../cart/page.mdx)
</Table.Cell>
<Table.Cell>
[Product](/references/product/models/Product)
</Table.Cell>
<Table.Cell>
Read-only
</Table.Cell>
<Table.Cell>
[Learn more](#cart-module)
</Table.Cell>
</Table.Row>
<Table.Row>
<Table.Cell>
[Product](/references/product/models/Product)
</Table.Cell>
<Table.Cell>
[ShippingProfile](/references/fulfillment/models/ShippingProfile) in [Fulfillment Module](../../fulfillment/page.mdx)
</Table.Cell>
<Table.Cell>
Stored
</Table.Cell>
<Table.Cell>
[Learn more](#fulfillment-module)
</Table.Cell>
</Table.Row>
<Table.Row>
<Table.Cell>
[ProductVariant](/references/product/models/ProductVariant)
</Table.Cell>
<Table.Cell>
[InventoryItem](/references/inventory/models/InventoryItem) in [Inventory Module](../../inventory/page.mdx)
</Table.Cell>
<Table.Cell>
Stored
</Table.Cell>
<Table.Cell>
[Learn more](#inventory-module)
</Table.Cell>
</Table.Row>
<Table.Row>
<Table.Cell>
[Order](/references/order/models/Order) in [Order Module](../../order/page.mdx)
</Table.Cell>
<Table.Cell>
[Product](/references/product/models/Product)
</Table.Cell>
<Table.Cell>
Read-only
</Table.Cell>
<Table.Cell>
[Learn more](#order-module)
</Table.Cell>
</Table.Row>
<Table.Row>
<Table.Cell>
[ProductVariant](/references/product/models/ProductVariant)
</Table.Cell>
<Table.Cell>
[PriceSet](/references/pricing/models/PriceSet) in [Pricing Module](../../pricing/page.mdx)
</Table.Cell>
<Table.Cell>
Stored
</Table.Cell>
<Table.Cell>
[Learn more](#pricing-module)
</Table.Cell>
</Table.Row>
<Table.Row>
<Table.Cell>
[Product](/references/product/models/Product)
</Table.Cell>
<Table.Cell>
[SalesChannel](/references/sales-channel/models/SalesChannel) in [Sales Channel Module](../../sales-channel/page.mdx)
</Table.Cell>
<Table.Cell>
Stored
</Table.Cell>
<Table.Cell>
[Learn more](#sales-channel-module)
</Table.Cell>
</Table.Row>
</Table.Body>
</Table>
---
@@ -31,16 +129,16 @@ Read-only links are used to query data across modules, but the relations aren't
Medusa defines read-only links between:
- The `Product` data model and the [Cart Module](../../cart/page.mdx)'s `LineItem` data model. This means you can retrieve the details of a line item's product, but you don't manage the links in a pivot table in the database. The product of a line item is determined by the `product_id` property of the `LineItem` data model.
- The `ProductVariant` data model and the [Cart Module](../../cart/page.mdx)'s `LineItem` data model. This means you can retrieve the details of a line item's variant, but you don't manage the links in a pivot table in the database. The variant of a line item is determined by the `variant_id` property of the `LineItem` data model.
- The [Cart Module](../../cart/page.mdx)'s `LineItem` data model and the `Product` data model. Because the link is read-only from the `LineItem`'s side, you can only retrieve the product of a line item, and not the other way around.
- The `ProductVariant` data model and the [Cart Module](../../cart/page.mdx)'s `LineItem` data model. Because the link is read-only from the `LineItem`'s side, you can only retrieve the variant of a line item, and not the other way around.
### Retrieve with Query
To retrieve the line items of a variant with [Query](!docs!/learn/fundamentals/module-links/query), pass `line_items.*` in `fields`:
To retrieve the variant of a line item with [Query](!docs!/learn/fundamentals/module-links/query), pass `variant.*` in `fields`:
<Note>
To retrieve the line items of a product, pass `line_items.*` in `fields`.
To retrieve the product, pass `product.*` in `fields`.
</Note>
@@ -48,14 +146,14 @@ To retrieve the line items of a product, pass `line_items.*` in `fields`.
<CodeTab label="query.graph" value="method">
```ts
const { data: variants } = await query.graph({
entity: "variant",
const { data: lineItems } = await query.graph({
entity: "line_item",
fields: [
"line_items.*",
"variant.*",
],
})
// variants.line_items
// lineItems.variant
```
</CodeTab>
@@ -66,14 +164,14 @@ import { useQueryGraphStep } from "@medusajs/medusa/core-flows"
// ...
const { data: variants } = useQueryGraphStep({
entity: "variant",
const { data: lineItems } = useQueryGraphStep({
entity: "line_item",
fields: [
"line_items.*",
"variant.*",
],
})
// variants.line_items
// lineItems.variant
```
</CodeTab>
@@ -281,16 +379,16 @@ createRemoteLinkStep({
Medusa defines read-only links between:
- the `Product` data model and the [Order Module](../../order/page.mdx)'s `OrderLineItem` data model. This means you can retrieve the details of a line item's product, but you don't manage the links in a pivot table in the database. The product of a line item is determined by the `product_id` property of the `OrderLineItem` data model.
- the `ProductVariant` data model and the [Order Module](../../order/page.mdx)'s `OrderLineItem` data model. This means you can retrieve the details of a line item's variant, but you don't manage the links in a pivot table in the database. The variant of a line item is determined by the `variant_id` property of the `OrderLineItem` data model.
- the [Order Module](../../order/page.mdx)'s `OrderLineItem` data model and the `Product` data model. Because the link is read-only from the `OrderLineItem`'s side, you can only retrieve the product of an order line item, and not the other way around.
- the [Order Module](../../order/page.mdx)'s `OrderLineItem` data model and the `ProductVariant` data model. Because the link is read-only from the `OrderLineItem`'s side, you can only retrieve the variant of an order line item, and not the other way around.
### Retrieve with Query
To retrieve the order line items of a variant with [Query](!docs!/learn/fundamentals/module-links/query), pass `order_items.*` in `fields`:
To retrieve the variant of a line item with [Query](!docs!/learn/fundamentals/module-links/query), pass `variant.*` in `fields`:
<Note>
To retrieve a product's order line items, pass `order_items.*` in `fields`.
To retrieve the product, pass `product.*` in `fields`.
</Note>
@@ -298,14 +396,14 @@ To retrieve a product's order line items, pass `order_items.*` in `fields`.
<CodeTab label="query.graph" value="method">
```ts
const { data: variants } = await query.graph({
entity: "variant",
const { data: lineItems } = await query.graph({
entity: "order_line_item",
fields: [
"order_items.*",
"variant.*",
],
})
// variants.order_items
// lineItems.variant
```
</CodeTab>
@@ -316,14 +414,14 @@ import { useQueryGraphStep } from "@medusajs/medusa/core-flows"
// ...
const { data: variants } = useQueryGraphStep({
entity: "variant",
const { data: lineItems } = useQueryGraphStep({
entity: "order_line_item",
fields: [
"order_items.*",
"variant.*",
],
})
// variants.order_items
// lineItems.variant
```
</CodeTab>