Files
medusa-store/docs/content/references/services/classes/TaxProviderService.md
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Markdown

# Class: TaxProviderService
Finds tax providers and assists in tax related operations.
## Hierarchy
- `TransactionBaseService`
**`TaxProviderService`**
## Constructors
### constructor
**new TaxProviderService**(`container`)
#### Parameters
| Name | Type |
| :------ | :------ |
| `container` | `AwilixContainer`<`any`\> |
#### Overrides
TransactionBaseService.constructor
#### Defined in
[packages/medusa/src/services/tax-provider.ts:51](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L51)
## Properties
### \_\_configModule\_\_
`Protected` `Optional` `Readonly` **\_\_configModule\_\_**: `Record`<`string`, `unknown`\>
#### Inherited from
TransactionBaseService.\_\_configModule\_\_
#### Defined in
[packages/medusa/src/interfaces/transaction-base-service.ts:10](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/interfaces/transaction-base-service.ts#L10)
___
### \_\_container\_\_
`Protected` `Readonly` **\_\_container\_\_**: `any`
#### Inherited from
TransactionBaseService.\_\_container\_\_
#### Defined in
[packages/medusa/src/interfaces/transaction-base-service.ts:9](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/interfaces/transaction-base-service.ts#L9)
___
### \_\_moduleDeclaration\_\_
`Protected` `Optional` `Readonly` **\_\_moduleDeclaration\_\_**: `Record`<`string`, `unknown`\>
#### Inherited from
TransactionBaseService.\_\_moduleDeclaration\_\_
#### Defined in
[packages/medusa/src/interfaces/transaction-base-service.ts:11](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/interfaces/transaction-base-service.ts#L11)
___
### cacheService\_
`Protected` `Readonly` **cacheService\_**: `ICacheService`
#### Defined in
[packages/medusa/src/services/tax-provider.ts:44](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L44)
___
### container\_
`Protected` `Readonly` **container\_**: `AwilixContainer`<`any`\>
#### Defined in
[packages/medusa/src/services/tax-provider.ts:43](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L43)
___
### eventBus\_
`Protected` `Readonly` **eventBus\_**: [`EventBusService`](EventBusService.md)
#### Defined in
[packages/medusa/src/services/tax-provider.ts:49](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L49)
___
### manager\_
`Protected` **manager\_**: `EntityManager`
#### Overrides
TransactionBaseService.manager\_
#### Defined in
[packages/medusa/src/services/tax-provider.ts:40](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L40)
___
### smTaxLineRepo\_
`Protected` `Readonly` **smTaxLineRepo\_**: typeof `ShippingMethodTaxLineRepository`
#### Defined in
[packages/medusa/src/services/tax-provider.ts:47](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L47)
___
### taxLineRepo\_
`Protected` `Readonly` **taxLineRepo\_**: typeof `LineItemTaxLineRepository`
#### Defined in
[packages/medusa/src/services/tax-provider.ts:46](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L46)
___
### taxProviderRepo\_
`Protected` `Readonly` **taxProviderRepo\_**: typeof `TaxProviderRepository`
#### Defined in
[packages/medusa/src/services/tax-provider.ts:48](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L48)
___
### taxRateService\_
`Protected` `Readonly` **taxRateService\_**: [`TaxRateService`](TaxRateService.md)
#### Defined in
[packages/medusa/src/services/tax-provider.ts:45](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L45)
___
### transactionManager\_
`Protected` **transactionManager\_**: `EntityManager`
#### Overrides
TransactionBaseService.transactionManager\_
#### Defined in
[packages/medusa/src/services/tax-provider.ts:41](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L41)
## 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
[packages/medusa/src/interfaces/transaction-base-service.ts:50](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/interfaces/transaction-base-service.ts#L50)
___
### clearLineItemsTaxLines
**clearLineItemsTaxLines**(`itemIds`): `Promise`<`void`\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `itemIds` | `string`[] |
#### Returns
`Promise`<`void`\>
#### Defined in
[packages/medusa/src/services/tax-provider.ts:97](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L97)
___
### clearTaxLines
**clearTaxLines**(`cartId`): `Promise`<`void`\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `cartId` | `string` |
#### Returns
`Promise`<`void`\>
#### Defined in
[packages/medusa/src/services/tax-provider.ts:107](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L107)
___
### createShippingTaxLines
**createShippingTaxLines**(`shippingMethod`, `calculationContext`): `Promise`<(`ShippingMethodTaxLine` \| `LineItemTaxLine`)[]\>
Persists the tax lines relevant for a shipping method to the database. Used
for return shipping methods.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `shippingMethod` | `ShippingMethod` | the shipping method to create tax lines for |
| `calculationContext` | `TaxCalculationContext` | the calculation context to get tax lines by |
#### Returns
`Promise`<(`ShippingMethodTaxLine` \| `LineItemTaxLine`)[]\>
the newly created tax lines
#### Defined in
[packages/medusa/src/services/tax-provider.ts:183](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L183)
___
### createTaxLines
**createTaxLines**(`cartOrLineItems`, `calculationContext`): `Promise`<(`ShippingMethodTaxLine` \| `LineItemTaxLine`)[]\>
Persists the tax lines relevant for an order to the database.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `cartOrLineItems` | `Cart` \| `LineItem`[] | the cart or line items to create tax lines for |
| `calculationContext` | `TaxCalculationContext` | the calculation context to get tax lines by |
#### Returns
`Promise`<(`ShippingMethodTaxLine` \| `LineItemTaxLine`)[]\>
the newly created tax lines
#### Defined in
[packages/medusa/src/services/tax-provider.ts:129](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L129)
___
### getCacheKey
`Private` **getCacheKey**(`id`, `regionId`): `string`
The cache key to get cache hits by.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `id` | `string` | the entity id to cache |
| `regionId` | `string` | the region id to cache |
#### Returns
`string`
the cache key to use for the id set
#### Defined in
[packages/medusa/src/services/tax-provider.ts:484](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L484)
___
### getRegionRatesForProduct
**getRegionRatesForProduct**(`productId`, `region`): `Promise`<`TaxServiceRate`[]\>
Gets the tax rates configured for a product. The rates are cached between
calls.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `productId` | `string` | the product id to get rates for |
| `region` | `RegionDetails` | the region to get configured rates for. |
#### Returns
`Promise`<`TaxServiceRate`[]\>
the tax rates configured for the shipping option.
#### Defined in
[packages/medusa/src/services/tax-provider.ts:436](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L436)
___
### getRegionRatesForShipping
**getRegionRatesForShipping**(`optionId`, `regionDetails`): `Promise`<`TaxServiceRate`[]\>
Gets the tax rates configured for a shipping option. The rates are cached
between calls.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `optionId` | `string` | the option id of the shipping method. |
| `regionDetails` | `RegionDetails` | the region to get configured rates for. |
#### Returns
`Promise`<`TaxServiceRate`[]\>
the tax rates configured for the shipping option.
#### Defined in
[packages/medusa/src/services/tax-provider.ts:389](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L389)
___
### getShippingTaxLines
**getShippingTaxLines**(`shippingMethod`, `calculationContext`): `Promise`<`ShippingMethodTaxLine`[]\>
Gets the relevant tax lines for a shipping method. Note: this method
doesn't persist the tax lines. Use createShippingTaxLines if you wish to
persist the tax lines to the DB layer.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `shippingMethod` | `ShippingMethod` | the shipping method to get tax lines for |
| `calculationContext` | `TaxCalculationContext` | the calculation context to get tax lines by |
#### Returns
`Promise`<`ShippingMethodTaxLine`[]\>
the computed tax lines
#### Defined in
[packages/medusa/src/services/tax-provider.ts:204](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L204)
___
### getTaxLines
**getTaxLines**(`lineItems`, `calculationContext`): `Promise`<(`ShippingMethodTaxLine` \| `LineItemTaxLine`)[]\>
Gets the relevant tax lines for an order or cart. If an order is provided
the order's tax lines will be returned. If a cart is provided the tax lines
will be computed from the tax rules and potentially a 3rd party tax plugin.
Note: this method doesn't persist the tax lines. Use createTaxLines if you
wish to persist the tax lines to the DB layer.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `lineItems` | `LineItem`[] | the cart or order to get tax lines for |
| `calculationContext` | `TaxCalculationContext` | the calculation context to get tax lines by |
#### Returns
`Promise`<(`ShippingMethodTaxLine` \| `LineItemTaxLine`)[]\>
the computed tax lines
#### Defined in
[packages/medusa/src/services/tax-provider.ts:256](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L256)
___
### getTaxLinesMap
`Protected` **getTaxLinesMap**(`items`, `calculationContext`): `Promise`<`TaxLinesMaps`\>
Return a map of tax lines for line items and shipping methods
#### Parameters
| Name | Type |
| :------ | :------ |
| `items` | `LineItem`[] |
| `calculationContext` | `TaxCalculationContext` |
#### Returns
`Promise`<`TaxLinesMaps`\>
#### Defined in
[packages/medusa/src/services/tax-provider.ts:352](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L352)
___
### list
**list**(): `Promise`<`TaxProvider`[]\>
#### Returns
`Promise`<`TaxProvider`[]\>
#### Defined in
[packages/medusa/src/services/tax-provider.ts:65](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L65)
___
### registerInstalledProviders
**registerInstalledProviders**(`providers`): `Promise`<`void`\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `providers` | `string`[] |
#### Returns
`Promise`<`void`\>
#### Defined in
[packages/medusa/src/services/tax-provider.ts:488](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L488)
___
### retrieveProvider
**retrieveProvider**(`region`): `ITaxService`
Retrieves the relevant tax provider for the given region.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `region` | `Region` | the region to get tax provider for. |
#### Returns
`ITaxService`
the region specific tax provider
#### Defined in
[packages/medusa/src/services/tax-provider.ts:75](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/services/tax-provider.ts#L75)
___
### shouldRetryTransaction\_
`Protected` **shouldRetryTransaction_**(`err`): `boolean`
#### Parameters
| Name | Type |
| :------ | :------ |
| `err` | `Record`<`string`, `unknown`\> \| { `code`: `string` } |
#### Returns
`boolean`
#### Inherited from
TransactionBaseService.shouldRetryTransaction\_
#### Defined in
[packages/medusa/src/interfaces/transaction-base-service.ts:31](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/interfaces/transaction-base-service.ts#L31)
___
### withTransaction
**withTransaction**(`transactionManager?`): [`TaxProviderService`](TaxProviderService.md)
#### Parameters
| Name | Type |
| :------ | :------ |
| `transactionManager?` | `EntityManager` |
#### Returns
[`TaxProviderService`](TaxProviderService.md)
#### Inherited from
TransactionBaseService.withTransaction
#### Defined in
[packages/medusa/src/interfaces/transaction-base-service.ts:14](https://github.com/medusajs/medusa/blob/a4575c391/packages/medusa/src/interfaces/transaction-base-service.ts#L14)