Restore From Backup

script

const backupDir = "/Backups/Drafts/"

let f = () => {
	let fm = FileManager.createCloud()
	// get list of recent backup files
	let files = fm.listContents(backupDir).reverse()
	if (files.length > 10) { files.length = 10 }
	let matches = []

	// loop through backups and find matches for current draft
	for (let f of files) {
		let backupDrafts = fm.readJSON(f)
		if (!backupDrafts) { continue }
		const match = backupDrafts.find(item => item.uuid === draft.uuid)
		if (match) { matches.push(match) }
		if (matches.length >= 5) { break }
	}

	if (matches.length > 0) {
		let p = new Prompt()
		p.title = "Restore Draft"
		p.message = "The following previous versions of this draft were found in your iCloud backups. Select one to restore the current draft to that version."
		p.isCancellable = true
		p.addButton("Restore")
		
		let options = matches.map(m => `${m.content.length} chars, ${m.modified_at}`)
		options = [...new Set(options)]
		p.addSelect("selected", "Version", options, [options[0]], false)

		if (!p.show()) { return false }

		let match = matches[options.indexOf(p.fieldValues["selected"][0])]
		draft.saveVersion()
		draft.content = match.content
		draft.update()
		alert("Draft restored to backup version.")
	}
	else {
		alert(`Current draft not found in recent backup files. Nothing to restore.`)	
	}
	return true
}

if(!f()) {
	context.cancel()
}