49 lines
1.6 KiB
Swift
49 lines
1.6 KiB
Swift
import Foundation
|
|
import TermindDomain
|
|
|
|
/// Persistence boundary shared by the Vault feature models. It keeps concrete
|
|
/// storage and sync notifications out of aggregate models while preserving the
|
|
/// existing `VaultSnapshot` transaction and on-disk schema.
|
|
@MainActor
|
|
public final class VaultStore {
|
|
private let persistence: (any VaultPersisting)?
|
|
private var modificationDates: [VaultRecordKey: Date] = [:]
|
|
public var didPersist: (() -> Void)?
|
|
public var didRecordChanges: ((VaultMutationSet) -> Void)?
|
|
|
|
public init(persistence: (any VaultPersisting)? = nil) {
|
|
self.persistence = persistence
|
|
}
|
|
|
|
public func load(fallback: VaultSnapshot) throws -> VaultSnapshot {
|
|
let snapshot = try persistence?.load() ?? fallback
|
|
refreshModificationDates()
|
|
return snapshot
|
|
}
|
|
|
|
public func save(_ snapshot: VaultSnapshot, touching keys: Set<VaultRecordKey> = []) throws {
|
|
if let persistence {
|
|
let mutations = try persistence.save(snapshot, touching: keys)
|
|
refreshModificationDates()
|
|
didRecordChanges?(mutations)
|
|
}
|
|
didPersist?()
|
|
}
|
|
|
|
public func modifiedAt(for key: VaultRecordKey) -> Date? {
|
|
modificationDates[key]
|
|
}
|
|
|
|
/// A remote projection is already persisted by the sync engine. Aggregate
|
|
/// models only need to refresh repository projections after accepting it.
|
|
public func didApplyRemoteSnapshot() {
|
|
refreshModificationDates()
|
|
didPersist?()
|
|
}
|
|
|
|
private func refreshModificationDates() {
|
|
guard let dates = try? persistence?.modificationDates() else { return }
|
|
modificationDates = dates
|
|
}
|
|
}
|