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medusa-store/docs/content/references/services/classes/LineItemService.md
github-actions[bot] beffa3de0e chore(docs): Generated Services Reference (automated) (#3934) 
Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <shahednasser@gmail.com>
2023-04-26 20:57:01 +03:00

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# Class: LineItemService
## Hierarchy
- `TransactionBaseService`
↳ **`LineItemService`**
## Constructors
### constructor
• **new LineItemService**(`__namedParameters`)
#### Parameters
| Name | Type |
| :------ | :------ |
| `__namedParameters` | `InjectedDependencies` |
#### Overrides
TransactionBaseService.constructor
#### Defined in
[medusa/src/services/line-item.ts:56](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L56)
## Properties
### \_\_configModule\_\_
• `Protected` `Optional` `Readonly` **\_\_configModule\_\_**: `Record`<`string`, `unknown`\>
#### Inherited from
TransactionBaseService.\_\_configModule\_\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:14](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L14)
___
### \_\_container\_\_
• `Protected` `Readonly` **\_\_container\_\_**: `any`
#### Inherited from
TransactionBaseService.\_\_container\_\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:13](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L13)
___
### \_\_moduleDeclaration\_\_
• `Protected` `Optional` `Readonly` **\_\_moduleDeclaration\_\_**: `Record`<`string`, `unknown`\>
#### Inherited from
TransactionBaseService.\_\_moduleDeclaration\_\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:15](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L15)
___
### cartRepository\_
• `Protected` `Readonly` **cartRepository\_**: `Repository`<`Cart`\>
#### Defined in
[medusa/src/services/line-item.ts:47](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L47)
___
### featureFlagRouter\_
• `Protected` `Readonly` **featureFlagRouter\_**: `FlagRouter`
#### Defined in
[medusa/src/services/line-item.ts:52](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L52)
___
### itemTaxLineRepo\_
• `Protected` `Readonly` **itemTaxLineRepo\_**: `Repository`<`LineItemTaxLine`\> & { `deleteForCart`: (`cartId`: `string`) => `Promise`<`void`\> ; `upsertLines`: (`lines`: `LineItemTaxLine`[]) => `Promise`<`LineItemTaxLine`[]\> }
#### Defined in
[medusa/src/services/line-item.ts:46](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L46)
___
### lineItemAdjustmentService\_
• `Protected` `Readonly` **lineItemAdjustmentService\_**: [`LineItemAdjustmentService`](LineItemAdjustmentService.md)
#### Defined in
[medusa/src/services/line-item.ts:53](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L53)
___
### lineItemRepository\_
• `Protected` `Readonly` **lineItemRepository\_**: `Repository`<`LineItem`\> & { `findByReturn`: (`returnId`: `string`) => `Promise`<`LineItem` & { `return_item`: `ReturnItem` }[]\> }
#### Defined in
[medusa/src/services/line-item.ts:45](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L45)
___
### manager\_
• `Protected` **manager\_**: `EntityManager`
#### Inherited from
TransactionBaseService.manager\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:5](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L5)
___
### pricingService\_
• `Protected` `Readonly` **pricingService\_**: [`PricingService`](PricingService.md)
#### Defined in
[medusa/src/services/line-item.ts:50](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L50)
___
### productService\_
• `Protected` `Readonly` **productService\_**: [`ProductService`](ProductService.md)
#### Defined in
[medusa/src/services/line-item.ts:49](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L49)
___
### productVariantService\_
• `Protected` `Readonly` **productVariantService\_**: [`ProductVariantService`](ProductVariantService.md)
#### Defined in
[medusa/src/services/line-item.ts:48](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L48)
___
### regionService\_
• `Protected` `Readonly` **regionService\_**: [`RegionService`](RegionService.md)
#### Defined in
[medusa/src/services/line-item.ts:51](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L51)
___
### taxProviderService\_
• `Protected` `Readonly` **taxProviderService\_**: [`TaxProviderService`](TaxProviderService.md)
#### Defined in
[medusa/src/services/line-item.ts:54](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L54)
___
### transactionManager\_
• `Protected` **transactionManager\_**: `undefined` \| `EntityManager`
#### Inherited from
TransactionBaseService.transactionManager\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:6](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L6)
## Accessors
### activeManager\_
• `Protected` `get` **activeManager_**(): `EntityManager`
#### Returns
`EntityManager`
#### Inherited from
TransactionBaseService.activeManager\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:8](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L8)
## Methods
### atomicPhase\_
▸ `Protected` **atomicPhase_**<`TResult`, `TError`\>(`work`, `isolationOrErrorHandler?`, `maybeErrorHandlerOrDontFail?`): `Promise`<`TResult`\>
Wraps some work within a transactional block. If the service already has
a transaction manager attached this will be reused, otherwise a new
transaction manager is created.
#### Type parameters
| Name |
| :------ |
| `TResult` |
| `TError` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `work` | (`transactionManager`: `EntityManager`) => `Promise`<`TResult`\> | the transactional work to be done |
| `isolationOrErrorHandler?` | `IsolationLevel` \| (`error`: `TError`) => `Promise`<`void` \| `TResult`\> | the isolation level to be used for the work. |
| `maybeErrorHandlerOrDontFail?` | (`error`: `TError`) => `Promise`<`void` \| `TResult`\> | Potential error handler |
#### Returns
`Promise`<`TResult`\>
the result of the transactional work
#### Inherited from
TransactionBaseService.atomicPhase\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:56](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L56)
___
### cloneTo
▸ **cloneTo**(`ids`, `data?`, `options?`): `Promise`<`LineItem`[]\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `ids` | `string` \| `string`[] |
| `data` | `DeepPartial`<`LineItem`\> |
| `options` | `Object` |
| `options.setOriginalLineItemId?` | `boolean` |
#### Returns
`Promise`<`LineItem`[]\>
#### Defined in
[medusa/src/services/line-item.ts:503](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L503)
___
### create
▸ **create**<`T`, `TResult`\>(`data`): `Promise`<`TResult`\>
Create a line item
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `LineItem` \| `LineItem`[] |
| `TResult` | `T` extends `LineItem`[] ? `LineItem`[] : `LineItem` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `data` | `T` | the line item object to create |
#### Returns
`Promise`<`TResult`\>
the created line item
#### Defined in
[medusa/src/services/line-item.ts:382](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L382)
___
### createReturnLines
▸ **createReturnLines**(`returnId`, `cartId`): `Promise`<`LineItem`[]\>
Creates return line items for a given cart based on the return items in a
return.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `returnId` | `string` | the id to generate return items from. |
| `cartId` | `string` | the cart to assign the return line items to. |
#### Returns
`Promise`<`LineItem`[]\>
the created line items
#### Defined in
[medusa/src/services/line-item.ts:130](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L130)
___
### createTaxLine
▸ **createTaxLine**(`args`): `LineItemTaxLine`
Create a line item tax line.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `args` | `DeepPartial`<`LineItemTaxLine`\> | tax line partial passed to the repo create method |
#### Returns
`LineItemTaxLine`
a new line item tax line
#### Defined in
[medusa/src/services/line-item.ts:495](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L495)
___
### delete
▸ **delete**(`id`): `Promise`<`undefined` \| ``null`` \| `LineItem`\>
Deletes a line item.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `id` | `string` | the id of the line item to delete |
#### Returns
`Promise`<`undefined` \| ``null`` \| `LineItem`\>
the result of the delete operation
#### Defined in
[medusa/src/services/line-item.ts:455](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L455)
___
### deleteWithTaxLines
▸ **deleteWithTaxLines**(`id`): `Promise`<`undefined` \| ``null`` \| `LineItem`\>
Deletes a line item with the tax lines.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `id` | `string` | the id of the line item to delete |
#### Returns
`Promise`<`undefined` \| ``null`` \| `LineItem`\>
the result of the delete operation
#### Defined in
[medusa/src/services/line-item.ts:474](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L474)
___
### generate
▸ **generate**<`T`, `TResult`\>(`variantIdOrData`, `regionIdOrContext`, `quantity?`, `context?`): `Promise`<`TResult`\>
Generate a single or multiple line item without persisting the data into the db
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `string` \| `GenerateInputData` \| `GenerateInputData`[] |
| `TResult` | `T` extends `string` ? `LineItem` : `T` extends `LineItem` ? `LineItem` : `LineItem`[] |
#### Parameters
| Name | Type |
| :------ | :------ |
| `variantIdOrData` | `T` |
| `regionIdOrContext` | `T` extends `string` ? `string` : `GenerateLineItemContext` |
| `quantity?` | `number` |
| `context` | `GenerateLineItemContext` |
#### Returns
`Promise`<`TResult`\>
#### Defined in
[medusa/src/services/line-item.ts:191](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L191)
___
### generateLineItem
▸ `Protected` **generateLineItem**(`variant`, `quantity`, `context`): `Promise`<`LineItem`\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `variant` | `Object` |
| `variant.id` | `string` |
| `variant.product` | `Object` |
| `variant.product.discountable` | `boolean` |
| `variant.product.is_giftcard` | `boolean` |
| `variant.product.thumbnail` | ``null`` \| `string` |
| `variant.product.title` | `string` |
| `variant.product_id` | `string` |
| `variant.title` | `string` |
| `quantity` | `number` |
| `context` | `GenerateLineItemContext` & { `variantPricing`: `ProductVariantPricing` } |
#### Returns
`Promise`<`LineItem`\>
#### Defined in
[medusa/src/services/line-item.ts:306](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L306)
___
### list
▸ **list**(`selector`, `config?`): `Promise`<`LineItem`[]\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `selector` | `Selector`<`LineItem`\> |
| `config` | `FindConfig`<`LineItem`\> |
#### Returns
`Promise`<`LineItem`[]\>
#### Defined in
[medusa/src/services/line-item.ts:83](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L83)
___
### retrieve
▸ **retrieve**(`id`, `config?`): `Promise`<`LineItem`\>
Retrieves a line item by its id.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `id` | `string` | the id of the line item to retrieve |
| `config` | `Object` | the config to be used at query building |
#### Returns
`Promise`<`LineItem`\>
the line item
#### Defined in
[medusa/src/services/line-item.ts:104](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L104)
___
### shouldRetryTransaction\_
▸ `Protected` **shouldRetryTransaction_**(`err`): `boolean`
#### Parameters
| Name | Type |
| :------ | :------ |
| `err` | `Record`<`string`, `unknown`\> \| { `code`: `string` } |
#### Returns
`boolean`
#### Inherited from
TransactionBaseService.shouldRetryTransaction\_
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:37](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L37)
___
### update
▸ **update**(`idOrSelector`, `data`): `Promise`<`LineItem`[]\>
Updates a line item
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `idOrSelector` | `string` \| `Selector`<`LineItem`\> | the id or selector of the line item(s) to update |
| `data` | `Partial`<`LineItem`\> | the properties to update the line item(s) |
#### Returns
`Promise`<`LineItem`[]\>
the updated line item(s)
#### Defined in
[medusa/src/services/line-item.ts:412](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L412)
___
### validateGenerateArguments
▸ `Protected` **validateGenerateArguments**<`T`, `TResult`\>(`variantIdOrData`, `regionIdOrContext`, `quantity?`): `void`
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `string` \| `GenerateInputData` \| `GenerateInputData`[] |
| `TResult` | `T` extends `string` ? `LineItem` : `T` extends `LineItem` ? `LineItem` : `LineItem`[] |
#### Parameters
| Name | Type |
| :------ | :------ |
| `variantIdOrData` | `string` \| `T` |
| `regionIdOrContext` | `T` extends `string` ? `string` : `GenerateLineItemContext` |
| `quantity?` | `number` |
#### Returns
`void`
#### Defined in
[medusa/src/services/line-item.ts:574](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/services/line-item.ts#L574)
___
### withTransaction
▸ **withTransaction**(`transactionManager?`): [`LineItemService`](LineItemService.md)
#### Parameters
| Name | Type |
| :------ | :------ |
| `transactionManager?` | `EntityManager` |
#### Returns
[`LineItemService`](LineItemService.md)
#### Inherited from
TransactionBaseService.withTransaction
#### Defined in
[medusa/src/interfaces/transaction-base-service.ts:20](https://github.com/medusajs/medusa/blob/b41b6303c/packages/medusa/src/interfaces/transaction-base-service.ts#L20)
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