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medusa-store/docs/content/references/services/classes/DiscountService.md
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Class: DiscountService

Provides layer to manipulate discounts.

Implements

Hierarchy

Constructors

constructor

new DiscountService(__namedParameters)

Parameters

Name Type
__namedParameters Object

Overrides

TransactionBaseService<DiscountService&gt;.constructor

Defined in

packages/medusa/src/services/discount.ts:62

Properties

configModule

Protected Optional Readonly configModule: Record<string, unknown>

Inherited from

TransactionBaseService.configModule

Defined in

packages/medusa/src/interfaces/transaction-base-service.ts:13


container

Protected Readonly container: unknown

Inherited from

TransactionBaseService.container

Defined in

packages/medusa/src/interfaces/transaction-base-service.ts:12


customerService_

Protected Readonly customerService_: CustomerService

Defined in

packages/medusa/src/services/discount.ts:52


discountConditionRepository_

Protected Readonly discountConditionRepository_: typeof DiscountConditionRepository

Defined in

packages/medusa/src/services/discount.ts:55


discountConditionService_

Protected Readonly discountConditionService_: DiscountConditionService

Defined in

packages/medusa/src/services/discount.ts:56


discountRepository_

Protected Readonly discountRepository_: typeof DiscountRepository

Defined in

packages/medusa/src/services/discount.ts:51


discountRuleRepository_

Protected Readonly discountRuleRepository_: typeof DiscountRuleRepository

Defined in

packages/medusa/src/services/discount.ts:53


eventBus_

Protected Readonly eventBus_: EventBusService

Defined in

packages/medusa/src/services/discount.ts:60


giftCardRepository_

Protected Readonly giftCardRepository_: typeof GiftCardRepository

Defined in

packages/medusa/src/services/discount.ts:54


manager_

Protected manager_: EntityManager

Overrides

TransactionBaseService.manager_

Defined in

packages/medusa/src/services/discount.ts:48


productService_

Protected Readonly productService_: ProductService

Defined in

packages/medusa/src/services/discount.ts:58


regionService_

Protected Readonly regionService_: RegionService

Defined in

packages/medusa/src/services/discount.ts:59


totalsService_

Protected Readonly totalsService_: TotalsService

Defined in

packages/medusa/src/services/discount.ts:57


transactionManager_

Protected transactionManager_: undefined | EntityManager

Overrides

TransactionBaseService.transactionManager_

Defined in

packages/medusa/src/services/discount.ts:49

Methods

addRegion

addRegion(discountId, regionId): Promise<Discount>

Adds a region to the discount regions array.

Parameters

Name Type Description
discountId string id of discount
regionId string id of region to add

Returns

Promise<Discount>

the result of the update operation

Defined in

packages/medusa/src/services/discount.ts:465


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:53


calculateDiscountForLineItem

calculateDiscountForLineItem(discountId, lineItem, cart): Promise<number>

Parameters

Name Type
discountId string
lineItem LineItem
cart Cart

Returns

Promise<number>

Defined in

packages/medusa/src/services/discount.ts:566


canApplyForCustomer

canApplyForCustomer(discountRuleId, customerId): Promise<boolean>

Parameters

Name Type
discountRuleId string
customerId undefined | string

Returns

Promise<boolean>

Defined in

packages/medusa/src/services/discount.ts:710


create

create(discount): Promise<Discount>

Creates a discount with provided data given that the data is validated. Normalizes discount code to uppercase.

Parameters

Name Type Description
discount CreateDiscountInput the discount data to create

Returns

Promise<Discount>

the result of the create operation

Defined in

packages/medusa/src/services/discount.ts:176


createDynamicCode

createDynamicCode(discountId, data): Promise<Discount>

Creates a dynamic code for a discount id.

Parameters

Name Type Description
discountId string the id of the discount to create a code for
data CreateDynamicDiscountInput the object containing a code to identify the discount by

Returns

Promise<Discount>

the newly created dynamic code

Defined in

packages/medusa/src/services/discount.ts:393


delete

delete(discountId): Promise<void>

Deletes a discount idempotently

Parameters

Name Type Description
discountId string id of discount to delete

Returns

Promise<void>

the result of the delete operation

Defined in

packages/medusa/src/services/discount.ts:525


deleteDynamicCode

deleteDynamicCode(discountId, code): Promise<void>

Deletes a dynamic code for a discount id.

Parameters

Name Type Description
discountId string the id of the discount to create a code for
code string the code to identify the discount by

Returns

Promise<void>

the newly created dynamic code

Defined in

packages/medusa/src/services/discount.ts:444


hasExpired

hasExpired(discount): boolean

Parameters

Name Type
discount Discount

Returns

boolean

Defined in

packages/medusa/src/services/discount.ts:679


hasNotStarted

hasNotStarted(discount): boolean

Parameters

Name Type
discount Discount

Returns

boolean

Defined in

packages/medusa/src/services/discount.ts:675


hasReachedLimit

hasReachedLimit(discount): boolean

Parameters

Name Type
discount Discount

Returns

boolean

Defined in

packages/medusa/src/services/discount.ts:669


isDisabled

isDisabled(discount): boolean

Parameters

Name Type
discount Discount

Returns

boolean

Defined in

packages/medusa/src/services/discount.ts:687


isValidForRegion

isValidForRegion(discount, region_id): Promise<boolean>

Parameters

Name Type
discount Discount
region_id string

Returns

Promise<boolean>

Defined in

packages/medusa/src/services/discount.ts:691


list

list(selector?, config?): Promise<Discount[]>

Parameters

Name Type Description
selector FilterableDiscountProps the query object for find
config FindConfig<Discount> the config object containing query settings

Returns

Promise<Discount[]>

the result of the find operation

Defined in

packages/medusa/src/services/discount.ts:114


listAndCount

listAndCount(selector?, config?): Promise<[Discount[], number]>

Parameters

Name Type Description
selector FilterableDiscountProps the query object for find
config FindConfig<Discount> the config object containing query settings

Returns

Promise<[Discount[], number]>

the result of the find operation

Defined in

packages/medusa/src/services/discount.ts:130


removeRegion

removeRegion(discountId, regionId): Promise<Discount>

Removes a region from the discount regions array.

Parameters

Name Type Description
discountId string id of discount
regionId string id of region to remove

Returns

Promise<Discount>

the result of the update operation

Defined in

packages/medusa/src/services/discount.ts:500


retrieve

retrieve(discountId, config?): Promise<Discount>

Gets a discount by id.

Parameters

Name Type Description
discountId string id of discount to retrieve
config FindConfig<Discount> the config object containing query settings

Returns

Promise<Discount>

the discount

Defined in

packages/medusa/src/services/discount.ts:241


retrieveByCode

retrieveByCode(discountCode, config?): Promise<Discount>

Gets a discount by discount code.

Parameters

Name Type Description
discountCode string discount code of discount to retrieve
config FindConfig<Discount> the config object containing query settings

Returns

Promise<Discount>

the discount document

Defined in

packages/medusa/src/services/discount.ts:267


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:34


update

update(discountId, update): Promise<Discount>

Updates a discount.

Parameters

Name Type Description
discountId string discount id of discount to update
update UpdateDiscountInput the data to update the discount with

Returns

Promise<Discount>

the result of the update operation

Defined in

packages/medusa/src/services/discount.ts:298


validateDiscountForCartOrThrow

validateDiscountForCartOrThrow(cart, discount): Promise<void>

Parameters

Name Type
cart Cart
discount Discount

Returns

Promise<void>

Defined in

packages/medusa/src/services/discount.ts:609


validateDiscountForProduct

validateDiscountForProduct(discountRuleId, productId): Promise<boolean>

Parameters

Name Type
discountRuleId string
productId undefined | string

Returns

Promise<boolean>

Defined in

packages/medusa/src/services/discount.ts:539


validateDiscountRule_

validateDiscountRule_<T>(discountRule): T

Creates a discount rule with provided data given that the data is validated.

Type parameters

Name Type
T extends Object

Parameters

Name Type Description
discountRule T the discount rule to create

Returns

T

the result of the create operation

Defined in

packages/medusa/src/services/discount.ts:96


withTransaction

withTransaction(transactionManager?): DiscountService

Parameters

Name Type
transactionManager? EntityManager

Returns

DiscountService

Inherited from

TransactionBaseService.withTransaction

Defined in

packages/medusa/src/interfaces/transaction-base-service.ts:16