Files
vnidrop/apple/VniDrop/Platform/InvitationFile.swift

21 lines
889 B
Swift

import Foundation
/// Builds a `.vnd` invitation filename from a transfer name.
func invitationFileName(_ transferName: String) -> String {
let trimmed = transferName.trimmingCharacters(in: .whitespacesAndNewlines)
let base = trimmed.isEmpty ? "invitation" : trimmed
let safe = base.components(separatedBy: CharacterSet.alphanumerics.inverted.subtracting(CharacterSet(charactersIn: "-_ ")))
.joined()
.replacingOccurrences(of: " ", with: "-")
let name = safe.isEmpty ? "invitation" : safe
return "\(name).\(vniDropInvitationExtension)"
}
/// Writes a temporary `.vnd` file for sharing/exporting.
func writeTemporaryInvitation(ticket: String, transferName: String) throws -> URL {
let dir = FileManager.default.temporaryDirectory
let url = dir.appendingPathComponent(invitationFileName(transferName))
try ticket.write(to: url, atomically: true, encoding: .utf8)
return url
}