Get purchase order attachment

//native

type Codat = {

	encodedKey: string

}

/**

 * Get purchase order attachment

 * The *Get purchase order attachment* endpoint returns a specific attachment for a given `purchaseOrderId` and `attachmentId`.

[Purchase Orders](https://docs.codat.io/accounting-api#/schemas/PurchaseOrder) represent a business's intent to purchase goods or services from a supplier.

 */

export async function main(

	auth: Codat,

	companyId: string,

	connectionId: string,

	purchaseOrderId: string,

	attachmentId: string

) {

	const url = new URL(

		`https://api.codat.io/companies/${companyId}/connections/${connectionId}/data/purchaseOrders/${purchaseOrderId}/attachments/${attachmentId}`

	)

	const response = await fetch(url, {

		method: 'GET',

		headers: {

			Authorization: `Basic ${auth.encodedKey}`

		},

		body: undefined

	})

	if (!response.ok) {

		const text = await response.text()

		throw new Error(`${response.status} ${text}`)

	}

	return await response.json()

}