feat: crosspost to LinkedIn and Instagram

app/Actions/Postline/CrosspostPublishAction.tsadded+52-0

Changes to app/Actions/Postline/CrosspostPublishAction.ts

		@@ -0,0 +1,52 @@
	1	+import type { SocialProvider } from '../../Support/Social/types'
	2	+import type { RequestInstance } from '@stacksjs/types'
	3	+import { Action } from '@stacksjs/actions'
	4	+import { response } from '@stacksjs/router'
	5	+import { crosspost, crosspostProviders } from '../../Services/Social/CrosspostService'
	6	+
	7	+export default new Action({
	8	+ name: 'Postline Crosspost Publish',
	9	+ description: 'Publish a post to one or more connected providers at once.',
	10	+ method: 'POST',
	11	+
	12	+ async handle(request: RequestInstance) {
	13	+ const text = String(request.get('text') || request.get('body') || '').trim()
	14	+
	15	+ const available = new Set<string>(crosspostProviders())
	16	+ const providers = String(request.get('providers') || request.get('provider') || '')
	17	+ .split(',')
	18	+ .map(value => value.trim().toLowerCase())
	19	+ .filter(value => available.has(value)) as SocialProvider[]
	20	+
	21	+ const externalUri = String(request.get('external_uri') || '').trim()
	22	+ const externalTitle = String(request.get('external_title') || '').trim()
	23	+ const externalDescription = String(request.get('external_description') || '').trim()
	24	+ const external = externalUri && externalTitle
	25	+ ? {
	26	+ uri: externalUri,
	27	+ title: externalTitle,
	28	+ description: externalDescription || undefined,
	29	+ }
	30	+ : undefined
	31	+
	32	+ const imageUrl = String(request.get('image_url') || '').trim()
	33	+ const imageAlt = String(request.get('image_alt') || '').trim()
	34	+ const media = imageUrl
	35	+ ? [{ url: imageUrl, altText: imageAlt || undefined }]
	36	+ : undefined
	37	+
	38	+ try {
	39	+ const data = await crosspost.publish(text, providers, { external, media })
	40	+ // Surface a partial-failure (some targets failed) as a 207-style payload
	41	+ // while still returning 200 so the client can report per-provider state.
	42	+ const allFailed = data.results.length > 0 && data.results.every(result => !result.ok)
	43	+ return response.json({ ok: !allFailed, data }, { status: allFailed ? 422 : 200 })
	44	+ }
	45	+ catch (error) {
	46	+ return response.json({
	47	+ ok: false,
	48	+ error: error instanceof Error ? error.message : String(error),
	49	+ }, { status: 422 })
	50	+ }
	51	+ },
	52	+})