fix(pda): preserve scoped receipt photos and stop hidden scan queues

src/stores/receiving.js

@@ -8,6 +8,28 @@ export const receiving = reactive({
 })
 
 const idempotencyKeys = new Map()
+let previewOwner = ''
+const previewRequests = new WeakMap()
+
+function photoOwner(value, owner) {
+	if (!owner || !value?.containerNo || !value?.preparedAt) return ''
+	return JSON.stringify([owner, value.containerNo, value.preparedAt, value.overseasWarehouseId,
+		(value.inbounds || []).map(row => [row.customerId || '', row.inboundCode || '']).sort()])
+}
+
+export async function restoreReceivingPhoto(photo, download) {
+	if (!photo?.downloadPath || photo.localPath) return photo?.localPath || ''
+	if (previewRequests.has(photo)) return previewRequests.get(photo)
+	photo.status = 'loading'
+	const request = Promise.resolve().then(() => download(photo.downloadPath)).then(path => {
+		if (!path) throw new Error('照片加载失败')
+		photo.localPath = path; photo.status = 'success'; photo.errorMessage = ''
+		return path
+	}).catch(error => { photo.status = 'error'; photo.errorMessage = error.message || '照片加载失败'; throw error })
+		.finally(() => previewRequests.delete(photo))
+	previewRequests.set(photo, request)
+	return request
+}
 
 export function receivingPhase(session = receiving.current) {
 	if (!session) return 'candidates'
@@ -23,16 +45,23 @@ export function receivingProgress(session = receiving.current) {
 	return { total, received, pending: Math.max(0, Number(session?.pendingPackages ?? total - received)), percent: total ? Math.min(100, Math.round(received / total * 100)) : 0 }
 }
 
-export function setCurrentReceiving(value) {
+export function setCurrentReceiving(value, owner = '') {
+	const nextOwner = photoOwner(value, owner)
+	const previous = previewOwner && previewOwner === nextOwner ? receiving.photoSlots : []
+	previewOwner = nextOwner
 	receiving.current = value || null
 	receiving.selected = value || null
 	receiving.photoSlots = RECEIVING_PHOTO_ROLES.map((role) => {
 		const photo = (value?.photos || []).find((item) => item.role === role)
-		return photo ? { ...photo, fileId: String(photo.fileId), role, uploaded: true, status: 'success' } : null
+		if (!photo) return null
+		const old = previous.find(item => item?.role === role && String(item.fileId) === String(photo.fileId)
+			&& item.downloadPath === photo.downloadPath)
+		return old || { ...photo, fileId: String(photo.fileId), role, localPath: '', uploaded: true, status: 'idle' }
 	})
 }
 
 export function resetReceivingDraft({ keepCurrent = false } = {}) {
+	previewOwner = ''
 	receiving.selected = keepCurrent ? receiving.current : null
 	if (!keepCurrent) receiving.current = null
 	receiving.photoSlots = [null, null, null]