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medusa-store/docs/content/references/services/classes/NewTotalsService.md
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# Class: NewTotalsService
## Hierarchy
- `TransactionBaseService`
**`NewTotalsService`**
## Constructors
### constructor
**new NewTotalsService**(`__namedParameters`)
#### Parameters
| Name | Type |
| :------ | :------ |
| `__namedParameters` | `InjectedDependencies` |
#### Overrides
TransactionBaseService.constructor
#### Defined in
[packages/medusa/src/services/new-totals.ts:68](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L68)
## 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/d843bc102/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/d843bc102/packages/medusa/src/interfaces/transaction-base-service.ts#L9)
___
### featureFlagRouter\_
`Protected` `Readonly` **featureFlagRouter\_**: `FlagRouter`
#### Defined in
[packages/medusa/src/services/new-totals.ts:65](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L65)
___
### manager\_
`Protected` `Readonly` **manager\_**: `EntityManager`
#### Overrides
TransactionBaseService.manager\_
#### Defined in
[packages/medusa/src/services/new-totals.ts:61](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L61)
___
### taxCalculationStrategy\_
`Protected` `Readonly` **taxCalculationStrategy\_**: `ITaxCalculationStrategy`
#### Defined in
[packages/medusa/src/services/new-totals.ts:66](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L66)
___
### taxProviderService\_
`Protected` `Readonly` **taxProviderService\_**: [`TaxProviderService`](TaxProviderService.md)
#### Defined in
[packages/medusa/src/services/new-totals.ts:64](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L64)
___
### transactionManager\_
`Protected` `Readonly` **transactionManager\_**: `undefined` \| `EntityManager`
#### Overrides
TransactionBaseService.transactionManager\_
#### Defined in
[packages/medusa/src/services/new-totals.ts:62](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L62)
## 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:48](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/interfaces/transaction-base-service.ts#L48)
___
### getGiftCardTotals
**getGiftCardTotals**(`giftCardableAmount`, `__namedParameters`): `Promise`<{ `tax_total`: `number` ; `total`: `number` }\>
Calculate and return the gift cards totals
#### Parameters
| Name | Type |
| :------ | :------ |
| `giftCardableAmount` | `number` |
| `__namedParameters` | `Object` |
| `__namedParameters.giftCardTransactions?` | `GiftCardTransaction`[] |
| `__namedParameters.giftCards?` | `GiftCard`[] |
| `__namedParameters.region` | `Region` |
#### Returns
`Promise`<{ `tax_total`: `number` ; `total`: `number` }\>
#### Defined in
[packages/medusa/src/services/new-totals.ts:455](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L455)
___
### getGiftCardTransactionsTotals
**getGiftCardTransactionsTotals**(`__namedParameters`): `Object`
Calculate and return the gift cards totals based on their transactions
#### Parameters
| Name | Type |
| :------ | :------ |
| `__namedParameters` | `Object` |
| `__namedParameters.giftCardTransactions` | `GiftCardTransaction`[] |
| `__namedParameters.region` | `Object` |
| `__namedParameters.region.gift_cards_taxable` | `boolean` |
| `__namedParameters.region.tax_rate` | `number` |
#### Returns
`Object`
| Name | Type |
| :------ | :------ |
| `tax_total` | `number` |
| `total` | `number` |
#### Defined in
[packages/medusa/src/services/new-totals.ts:534](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L534)
___
### getLineItemRefund
**getLineItemRefund**(`lineItem`, `__namedParameters`): `number`
Return the amount that can be refund on a line item
#### Parameters
| Name | Type |
| :------ | :------ |
| `lineItem` | `Object` |
| `lineItem.id` | `string` |
| `lineItem.includes_tax` | `boolean` |
| `lineItem.quantity` | `number` |
| `lineItem.tax_lines` | `LineItemTaxLine`[] |
| `lineItem.unit_price` | `number` |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.taxRate?` | ``null`` \| `number` |
#### Returns
`number`
#### Defined in
[packages/medusa/src/services/new-totals.ts:340](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L340)
___
### getLineItemRefundLegacy
▸ `Protected` **getLineItemRefundLegacy**(`lineItem`, `__namedParameters`): `number`
#### Parameters
| Name | Type |
| :------ | :------ |
| `lineItem` | `Object` |
| `lineItem.id` | `string` |
| `lineItem.includes_tax` | `boolean` |
| `lineItem.quantity` | `number` |
| `lineItem.unit_price` | `number` |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.taxRate` | `number` |
#### Returns
`number`
#### Defined in
[packages/medusa/src/services/new-totals.ts:410](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L410)
___
### getLineItemTotals
▸ **getLineItemTotals**(`items`, `__namedParameters`): `Promise`<{ `[lineItemId: string]`: `LineItemTotals`; }\>
Calculate and return the items totals for either the legacy calculation or the new calculation
#### Parameters
| Name | Type |
| :------ | :------ |
| `items` | `LineItem` \| `LineItem`[] |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.includeTax?` | `boolean` |
| `__namedParameters.taxRate?` | ``null`` \| `number` |
#### Returns
`Promise`<{ `[lineItemId: string]`: `LineItemTotals`; }\>
#### Defined in
[packages/medusa/src/services/new-totals.ts:90](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L90)
___
### getLineItemTotalsLegacy
▸ `Protected` **getLineItemTotalsLegacy**(`item`, `__namedParameters`): `Promise`<`LineItemTotals`\>
Calculate and return the legacy calculated totals using the tax rate
#### Parameters
| Name | Type |
| :------ | :------ |
| `item` | `LineItem` |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.lineItemAllocation` | `Object` |
| `__namedParameters.lineItemAllocation.discount?` | `DiscountAllocation` |
| `__namedParameters.lineItemAllocation.gift_card?` | `GiftCardAllocation` |
| `__namedParameters.taxRate` | `number` |
#### Returns
`Promise`<`LineItemTotals`\>
#### Defined in
[packages/medusa/src/services/new-totals.ts:263](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L263)
___
### getLineItemTotals\_
▸ `Protected` **getLineItemTotals_**(`item`, `__namedParameters`): `Promise`<`LineItemTotals`\>
Calculate and return the totals for an item
#### Parameters
| Name | Type |
| :------ | :------ |
| `item` | `LineItem` |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.includeTax?` | `boolean` |
| `__namedParameters.lineItemAllocation` | `Object` |
| `__namedParameters.lineItemAllocation.discount?` | `DiscountAllocation` |
| `__namedParameters.lineItemAllocation.gift_card?` | `GiftCardAllocation` |
| `__namedParameters.taxLines?` | `LineItemTaxLine`[] |
#### Returns
`Promise`<`LineItemTotals`\>
#### Defined in
[packages/medusa/src/services/new-totals.ts:158](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L158)
___
### getShippingMethodTotals
▸ **getShippingMethodTotals**(`shippingMethods`, `__namedParameters`): `Promise`<{ `[shippingMethodId: string]`: `ShippingMethodTotals`; }\>
Calculate and return the shipping methods totals for either the legacy calculation or the new calculation
#### Parameters
| Name | Type |
| :------ | :------ |
| `shippingMethods` | `ShippingMethod` \| `ShippingMethod`[] |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.discounts?` | `Discount`[] |
| `__namedParameters.includeTax?` | `boolean` |
| `__namedParameters.taxRate?` | ``null`` \| `number` |
#### Returns
`Promise`<{ `[shippingMethodId: string]`: `ShippingMethodTotals`; }\>
#### Defined in
[packages/medusa/src/services/new-totals.ts:580](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L580)
___
### getShippingMethodTotalsLegacy
▸ `Protected` **getShippingMethodTotalsLegacy**(`shippingMethod`, `__namedParameters`): `Promise`<`ShippingMethodTotals`\>
Calculate and return the shipping method totals legacy using teh tax rate
#### Parameters
| Name | Type |
| :------ | :------ |
| `shippingMethod` | `ShippingMethod` |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.discounts?` | `Discount`[] |
| `__namedParameters.taxRate` | `number` |
#### Returns
`Promise`<`ShippingMethodTotals`\>
#### Defined in
[packages/medusa/src/services/new-totals.ts:738](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L738)
___
### getShippingMethodTotals\_
▸ `Protected` **getShippingMethodTotals_**(`shippingMethod`, `__namedParameters`): `Promise`<`ShippingMethodTotals`\>
Calculate and return the shipping method totals
#### Parameters
| Name | Type |
| :------ | :------ |
| `shippingMethod` | `ShippingMethod` |
| `__namedParameters` | `Object` |
| `__namedParameters.calculationContext` | `TaxCalculationContext` |
| `__namedParameters.discounts?` | `Discount`[] |
| `__namedParameters.includeTax?` | `boolean` |
| `__namedParameters.taxLines?` | `ShippingMethodTaxLine`[] |
#### Returns
`Promise`<`ShippingMethodTotals`\>
#### Defined in
[packages/medusa/src/services/new-totals.ts:655](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/services/new-totals.ts#L655)
___
### 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:29](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/interfaces/transaction-base-service.ts#L29)
___
### withTransaction
▸ **withTransaction**(`transactionManager?`): [`NewTotalsService`](NewTotalsService.md)
#### Parameters
| Name | Type |
| :------ | :------ |
| `transactionManager?` | `EntityManager` |
#### Returns
[`NewTotalsService`](NewTotalsService.md)
#### Inherited from
TransactionBaseService.withTransaction
#### Defined in
[packages/medusa/src/interfaces/transaction-base-service.ts:13](https://github.com/medusajs/medusa/blob/d843bc102/packages/medusa/src/interfaces/transaction-base-service.ts#L13)