91 lines
2.6 KiB
Swift
91 lines
2.6 KiB
Swift
import Foundation
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import Observation
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import TermindDomain
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import struct TermindDomain.Host
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@MainActor
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@Observable
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public final class ConnectionHistoryModel {
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public static let limit = 1_000
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private let repository: any ConnectionHistoryRepository
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private var cachedEntries: [ConnectionHistoryEntry]?
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public private(set) var revision: UInt64 = 0
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public private(set) var storageError: String?
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public init(
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entries: [ConnectionHistoryEntry] = [],
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repository: (any ConnectionHistoryRepository)? = nil
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) {
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self.repository = repository ?? InMemoryConnectionHistoryRepository(entries: entries)
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}
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public func entries() -> [ConnectionHistoryEntry] {
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_ = revision
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if let cachedEntries { return cachedEntries }
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do {
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let values = try repository.entries()
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cachedEntries = values
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storageError = nil
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return values
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} catch {
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storageError = error.localizedDescription
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return []
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}
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}
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public func entries(for hostID: Host.ID) -> [ConnectionHistoryEntry] {
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entries().filter { $0.hostID == hostID }
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}
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public func mostRecentDate(for hostID: Host.ID) -> Date? {
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entries().first { $0.hostID == hostID }?.connectedAt
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}
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@discardableResult
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public func record(
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kind: ConnectionHistoryEntry.Kind, for hostID: Host.ID,
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at date: Date = Date()
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) -> ConnectionHistoryEntry? {
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let entry = ConnectionHistoryEntry(hostID: hostID, kind: kind, connectedAt: date)
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do {
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try repository.insert(entry, limit: Self.limit)
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cachedEntries = nil
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storageError = nil
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revision &+= 1
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return entry
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} catch {
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storageError = error.localizedDescription
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return nil
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}
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}
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public func delete(_ id: ConnectionHistoryEntry.ID) {
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do {
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try repository.delete(id)
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cachedEntries = nil
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storageError = nil
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revision &+= 1
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} catch { storageError = error.localizedDescription }
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}
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public func clear(for hostID: Host.ID) {
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do {
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try repository.clear(for: hostID)
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cachedEntries = nil
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storageError = nil
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revision &+= 1
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} catch { storageError = error.localizedDescription }
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}
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public func clearAll() {
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do {
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try repository.clearAll()
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cachedEntries = []
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storageError = nil
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revision &+= 1
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} catch { storageError = error.localizedDescription }
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}
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}
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