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medusa-store/docs/content/references/services/classes/TaxProviderService.md
Shahed Nasser c87ddd73ff docs: Add Services reference (#1548)
2022-06-01 18:33:08 +02:00

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# Class: TaxProviderService
Finds tax providers and assists in tax related operations.
## Hierarchy
- `"medusa-interfaces"`
↳ **`TaxProviderService`**
## Constructors
### constructor
• **new TaxProviderService**(`container`)
#### Parameters
| Name | Type |
| :------ | :------ |
| `container` | `AwilixContainer`<`any`\> |
#### Overrides
BaseService.constructor
#### Defined in
[services/tax-provider.ts:44](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L44)
## Properties
### container\_
• `Private` **container\_**: `AwilixContainer`<`any`\>
#### Defined in
[services/tax-provider.ts:35](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L35)
___
### manager\_
• `Private` **manager\_**: `EntityManager`
#### Defined in
[services/tax-provider.ts:36](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L36)
___
### redis\_
• `Private` **redis\_**: `Redis`
#### Defined in
[services/tax-provider.ts:42](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L42)
___
### smTaxLineRepo\_
• `Private` **smTaxLineRepo\_**: typeof `ShippingMethodTaxLineRepository`
#### Defined in
[services/tax-provider.ts:40](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L40)
___
### taxLineRepo\_
• `Private` **taxLineRepo\_**: typeof `LineItemTaxLineRepository`
#### Defined in
[services/tax-provider.ts:39](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L39)
___
### taxProviderRepo\_
• `Private` **taxProviderRepo\_**: typeof `TaxProviderRepository`
#### Defined in
[services/tax-provider.ts:41](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L41)
___
### taxRateService\_
• `Private` **taxRateService\_**: [`TaxRateService`](TaxRateService.md)
#### Defined in
[services/tax-provider.ts:38](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L38)
___
### transactionManager\_
• `Private` **transactionManager\_**: `EntityManager`
#### Defined in
[services/tax-provider.ts:37](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L37)
## Methods
### clearTaxLines
▸ **clearTaxLines**(`cartId`): `Promise`<`void`\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `cartId` | `string` |
#### Returns
`Promise`<`void`\>
#### Defined in
[services/tax-provider.ts:98](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L98)
___
### 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
[services/tax-provider.ts:166](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L166)
___
### 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
[services/tax-provider.ts:116](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L116)
___
### getCacheEntry
▸ `Private` **getCacheEntry**(`productId`, `regionId`): `Promise`<``null`` \| `TaxServiceRate`[]\>
Gets the cache results for a set of ids
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `productId` | `string` | the product id to cache |
| `regionId` | `string` | the region id to cache |
#### Returns
`Promise`<``null`` \| `TaxServiceRate`[]\>
the cached result or null
#### Defined in
[services/tax-provider.ts:450](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L450)
___
### getCacheKey
▸ `Private` **getCacheKey**(`productId`, `regionId`): `string`
The cache key to get cache hits by.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `productId` | `string` | the product id to cache |
| `regionId` | `string` | the region id to cache |
#### Returns
`string`
the cache key to use for the id set
#### Defined in
[services/tax-provider.ts:419](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L419)
___
### 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` | `Region` | the region to get configured rates for. |
#### Returns
`Promise`<`TaxServiceRate`[]\>
the tax rates configured for the shipping option.
#### Defined in
[services/tax-provider.ts:374](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L374)
___
### getRegionRatesForShipping
▸ **getRegionRatesForShipping**(`optionId`, `region`): `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. |
| `region` | `Region` | the region to get configured rates for. |
#### Returns
`Promise`<`TaxServiceRate`[]\>
the tax rates configured for the shipping option.
#### Defined in
[services/tax-provider.ts:327](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L327)
___
### 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
[services/tax-provider.ts:185](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L185)
___
### 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
[services/tax-provider.ts:237](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L237)
___
### list
▸ **list**(): `Promise`<`TaxProvider`[]\>
#### Returns
`Promise`<`TaxProvider`[]\>
#### Defined in
[services/tax-provider.ts:70](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L70)
___
### registerInstalledProviders
▸ **registerInstalledProviders**(`providers`): `Promise`<`void`\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `providers` | `string`[] |
#### Returns
`Promise`<`void`\>
#### Defined in
[services/tax-provider.ts:471](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L471)
___
### 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
[services/tax-provider.ts:80](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L80)
___
### setCache
▸ `Private` **setCache**(`productId`, `regionId`, `value`): `Promise`<`void`\>
Sets the cache results for a set of ids
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `productId` | `string` | the product id to cache |
| `regionId` | `string` | the region id to cache |
| `value` | `TaxServiceRate`[] | tax rates to cache |
#### Returns
`Promise`<`void`\>
promise that resolves after the cache has been set
#### Defined in
[services/tax-provider.ts:430](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L430)
___
### withTransaction
▸ **withTransaction**(`transactionManager`): [`TaxProviderService`](TaxProviderService.md)
#### Parameters
| Name | Type |
| :------ | :------ |
| `transactionManager` | `EntityManager` |
#### Returns
[`TaxProviderService`](TaxProviderService.md)
#### Defined in
[services/tax-provider.ts:57](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/tax-provider.ts#L57)
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