---
displayed_sidebar: servicesSidebar
---

import ParameterTypes from "@site/src/components/ParameterTypes"

# CurrencyService

## constructor

### Parameters

<ParameterTypes parameters={[
  {
    "name": "__namedParameters",
    "type": "`InjectedDependencies`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

___

## Properties

<ParameterTypes parameters={[
  {
    "name": "__configModule__",
    "type": "`Record<string, unknown>`",
    "description": "",
    "optional": true,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "__container__",
    "type": "`any`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "__moduleDeclaration__",
    "type": "`Record<string, unknown>`",
    "description": "",
    "optional": true,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "currencyRepository_",
    "type": "Repository&#60;[Currency](../../entities/classes/entities.Currency.mdx)&#62;",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "eventBusService_",
    "type": "[EventBusService](services.EventBusService.mdx)",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "featureFlagRouter_",
    "type": "`FlagRouter`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "manager_",
    "type": "`EntityManager`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "transactionManager_",
    "type": "`undefined` \\| `EntityManager`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "Events",
    "type": "`object`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "Events.UPDATED",
    "type": "`string`",
    "description": "",
    "optional": false,
    "defaultValue": "\"currency.updated\"",
    "expandable": false,
    "children": []
  }
]} />

___

## Accessors

### activeManager\_

#### Returns

<ParameterTypes parameters={[
  {
    "name": "EntityManager",
    "type": "`EntityManager`",
    "optional": false,
    "defaultValue": "",
    "description": "",
    "expandable": false,
    "children": []
  }
]} />

___

## Methods

### atomicPhase\_

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

<ParameterTypes parameters={[
  {
    "name": "TResult",
    "type": "`object`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "TError",
    "type": "`object`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

#### Parameters

<ParameterTypes parameters={[
  {
    "name": "work",
    "type": "(`transactionManager`: `EntityManager`) => Promise&#60;TResult&#62;",
    "description": "the transactional work to be done",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "isolationOrErrorHandler",
    "type": "`IsolationLevel` \\| (`error`: `TError`) => Promise&#60;void \\| TResult&#62;",
    "description": "the isolation level to be used for the work.",
    "optional": true,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "maybeErrorHandlerOrDontFail",
    "type": "(`error`: `TError`) => Promise&#60;void \\| TResult&#62;",
    "description": "Potential error handler",
    "optional": true,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

#### Returns

<ParameterTypes parameters={[
  {
    "name": "Promise",
    "type": "Promise&#60;TResult&#62;",
    "optional": false,
    "defaultValue": "",
    "description": "the result of the transactional work",
    "expandable": false,
    "children": []
  }
]} />

___

### listAndCount

Lists currencies based on the provided parameters and includes the count of
currencies that match the query.

#### Parameters

<ParameterTypes parameters={[
  {
    "name": "selector",
    "type": "[Selector](../../medusa/types/medusa.Selector.mdx)&#60;[Currency](../../entities/classes/entities.Currency.mdx)&#62;",
    "description": "an object that defines rules to filter currencies\n  by",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "config",
    "type": "[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Currency](../../entities/classes/entities.Currency.mdx)&#62;",
    "description": "object that defines the scope for what should be\n  returned",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

#### Returns

<ParameterTypes parameters={[
  {
    "name": "Promise",
    "type": "Promise&#60;[[Currency](../../entities/classes/entities.Currency.mdx)[], number]&#62;",
    "optional": false,
    "defaultValue": "",
    "description": "an array containing the currencies as\n  the first element and the total count of products that matches the query\n  as the second element.",
    "expandable": false,
    "children": []
  }
]} />

___

### retrieveByCode

Return the currency

#### Parameters

<ParameterTypes parameters={[
  {
    "name": "code",
    "type": "`string`",
    "description": "The code of the currency that must be retrieve",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

#### Returns

<ParameterTypes parameters={[
  {
    "name": "Promise",
    "type": "Promise&#60;[Currency](../../entities/classes/entities.Currency.mdx)&#62;",
    "optional": false,
    "defaultValue": "",
    "description": "The currency",
    "expandable": false,
    "children": []
  }
]} />

___

### shouldRetryTransaction\_

#### Parameters

<ParameterTypes parameters={[
  {
    "name": "err",
    "type": "`Record<string, unknown>` \\| `object`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

#### Returns

<ParameterTypes parameters={[
  {
    "name": "boolean",
    "type": "`boolean`",
    "optional": true,
    "defaultValue": "",
    "description": "",
    "expandable": false,
    "children": []
  }
]} />

___

### update

Update a currency

#### Parameters

<ParameterTypes parameters={[
  {
    "name": "code",
    "type": "`string`",
    "description": "The code of the currency to update",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "data",
    "type": "`UpdateCurrencyInput`",
    "description": "The data that must be updated on the currency",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

#### Returns

<ParameterTypes parameters={[
  {
    "name": "Promise",
    "type": "Promise&#60;undefined \\| [Currency](../../entities/classes/entities.Currency.mdx)&#62;",
    "optional": false,
    "defaultValue": "",
    "description": "The updated currency",
    "expandable": false,
    "children": []
  }
]} />

___

### withTransaction

#### Parameters

<ParameterTypes parameters={[
  {
    "name": "transactionManager",
    "type": "`EntityManager`",
    "description": "",
    "optional": true,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />

#### Returns

<ParameterTypes parameters={[
  {
    "name": "CurrencyService",
    "type": "`object`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  }
]} />