Update an Employment.

//native

type Personio = {

	clientId: string

	clientSecret: string

}

/**

 * Update an Employment.

 * - This endpoint enables the update of an Employment resource.

- The endpoint requires the personio:persons:write scope.

 */

export async function main(

	auth: Personio,

	person_id: string,

	employment_id: string,

	body: {

		supervisor?: { id: string }

		office?: { id: string }

		org_units?: { type: string; id: string }[]

		subcompany?: { id: string }

		legal_entity?: { id: string }

		position?: { title: string }

		status?: 'ACTIVE' | 'INACTIVE' | 'ONBOARDING' | 'LEAVE'

		employment_start_date?: string

		type?: 'INTERNAL' | 'EXTERNAL'

		contract_end_date?: string

		probation_end_date?: string

		probation_period_length?: number

		weekly_working_hours?: number

		full_time_weekly_working_hours?: number

		cost_centers?: { id: string; weight: number }[]

	}

) {

	const url = new URL(

		`https://api.personio.de/v2/persons/${person_id}/employments/${employment_id}`

	)

	const response = await fetch(url, {

		method: 'PATCH',

		headers: {

			'Content-Type': 'application/json',

			Authorization: 'Bearer ' + (await getOAuthToken(auth, 'https://api.personio.de/oauth2/token'))

		},

		body: JSON.stringify(body)

	})

	if (!response.ok) {

		const text = await response.text()

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

	}

	return await response.text()

}

async function getOAuthToken(auth: Personio, tokenUrl: string): Promise<string> {

	const params = new URLSearchParams({

		grant_type: 'client_credentials',

		client_id: auth.clientId,

		client_secret: auth.clientSecret

	})

	const response = await fetch(tokenUrl, {

		method: 'POST',

		headers: {

			Authorization: 'Basic ' + btoa(`${auth.clientId}:${auth.clientSecret}`),

			'Content-Type': 'application/x-www-form-urlencoded'

		},

		body: params.toString()

	})

	if (!response.ok) {

		const text = await response.text()

		throw new Error(`OAuth token request failed: ${response.status} ${text}`)

	}

	const data = await response.json()

	return data.access_token

}

}