Add fragment to conversation

type Dust = {

	apiKey: string

	workspaceId: string

}

export async function main(

	resource: Dust,

	conversationId: string,

	body: {

		title: string

		content: string | Buffer

		url: string | null

		contentType:

			| 'text/plain'

			| 'text/csv'

			| 'text/tsv'

			| 'text/comma-separated-values'

			| 'text/tab-separated-values'

			| 'text/markdown'

			| 'application/pdf'

			| 'file_attachment'

			| 'image/jpeg'

			| 'image/png'

		context: {

			username: string

			timezone: string

			fullName: string | null

			email: string | null

			profilePictureUrl: string | null

			origin?: 'slack' | 'web' | 'api'

		} | null

	}

) {

	const endpoint = `https://dust.tt/api/v1/w/${resource.workspaceId}/assistant/conversations/${conversationId}/content_fragments`

	let content: string

	// Convert Buffer to base64 string for binary content types

	if (body.content instanceof Buffer) {

		content = body.content.toString('base64')

	} else {

		content = body.content

	}

	const requestBody = {

		...body,

		content

	}

	const response = await fetch(endpoint, {

		method: 'POST',

		headers: {

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

			Authorization: `Bearer ${resource.apiKey}`

		},

		body: JSON.stringify(requestBody)

	})

	if (!response.ok) {

		throw new Error(`HTTP error! status: ${response.status}`)

	}

	const data = await response.json()

	return data.contentFragment

}