Wallet Passes: Poster Generic, New Barcodes & Featured Actions

import Foundation
import PassBuilder  // swift package: apple/pass-builder

// Represents data loaded from your database
struct MemberRecord {
    let memberID: String
    let name: String
    let favoriteToy: String
    let photoURL: URL
}

func createMemberPass(for member: MemberRecord,
                      templateURL: URL,
                      outputDirectory: URL) async throws -> URL {

    // 1. Load the .pkpasstemplate created in Pass Designer
    var package = try PassPackage(contentsOf: templateURL)

    // 2. Personalise pass fields
    try package.pass.fields.setValue(member.name,      forKey: "DOG_NAME")
    try package.pass.fields.setValue(member.memberID,  forKey: "DOG_ID")
    try package.pass.fields.setValue(member.favoriteToy, forKey: "LOVES")

    // 3. Set the full-bleed background photo (Poster Generic)
    package.backgroundImage = PassImage(contentsOf: member.photoURL)

    // 4. Configure a PDF417 barcode encoding the member ID
    let barcode = Pass.Barcode(
        message: member.memberID,
        format: .PDF417
    )
    package.pass.barcodes = [barcode]

    // 5. Add a featured action so members can view their benefits
    let benefitsAction = Pass.Action(
        identifier: "view-benefits-\(member.memberID)",
        type: .membershipBenefits,
        value: URL(string: "https://example.com/members/\(member.memberID)/benefits")!
    )
    package.pass.featuredActions = [benefitsAction]

    // 6. Load signing certificates and sign the pass
    let passCert = try PassCertificate(
        contentsOf: URL(filePath: "/secrets/pass.p12"),
        passphrase: "s3cr3t"
    )
    let wwdrCert = try PassCertificate(
        contentsOf: URL(filePath: "/secrets/AppleWWDRCAG4.cer")
    )

    let signer = PassSigner(passCertificate: passCert,
                            wwdrCertificate: wwdrCert)

    let outputURL = outputDirectory
        .appendingPathComponent("\(member.memberID).pkpass")

    try await signer.signPass(package, to: outputURL)
    return outputURL
}