wehub-resource-sync
61 lines
1.1 KiB
Swift
61 lines
1.1 KiB
Swift
import Foundation
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protocol UserRepository {
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func findById(_ id: Int) -> User?
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func save(_ user: User)
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}
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struct User {
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let id: Int
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let name: String
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let email: String
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}
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class InMemoryRepo: UserRepository {
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private var users: [Int: User] = [:]
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func findById(_ id: Int) -> User? {
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return users[id]
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}
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func save(_ user: User) {
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users[user.id] = user
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print("Saved user \(user.id)")
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}
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}
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enum Direction: String {
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case north
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case south
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case east
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case west
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}
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actor DataStore {
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private var cache: [String: User] = [:]
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func get(_ key: String) -> User? {
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return cache[key]
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}
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func set(_ key: String, user: User) {
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cache[key] = user
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}
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}
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extension InMemoryRepo: CustomStringConvertible {
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var description: String {
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return "InMemoryRepo with \(users.count) users"
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}
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func clear() {
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users.removeAll()
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}
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}
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func createUser(repo: UserRepository, name: String, email: String) -> User {
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let user = User(id: 1, name: name, email: email)
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repo.save(user)
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return user
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}
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