Impressia/Vernissage/Services/CacheImageService.swift

49 lines
1.3 KiB
Swift
Raw Normal View History

2023-01-18 18:41:42 +01:00
//
// https://mczachurski.dev
// Copyright © 2023 Marcin Czachurski and the repository contributors.
// Licensed under the MIT License.
//
import Foundation
import SwiftUI
public class CacheImageService {
public static let shared = CacheImageService()
private init() { }
private var memoryChartData = MemoryCache<String, Image>(entryLifetime: 5 * 60)
func addImage(for id: String, data: Data) {
if let uiImage = UIImage(data: data) {
self.memoryChartData[id] = Image(uiImage: uiImage)
}
}
func addImage(for id: String, image: Image) {
self.memoryChartData[id] = image
}
func downloadImage(for accountId: String?, url: URL?) async {
guard let accountId, let url else {
return
}
if memoryChartData[accountId] != nil {
return
}
do {
let imageData = try await RemoteFileService.shared.fetchData(url: url)
if let imageData {
CacheImageService.shared.addImage(for: accountId, data: imageData)
}
} catch {
ErrorService.shared.handle(error, message: "Downloading image into cache failed.")
}
}
func getImage(for id: String) -> Image? {
return self.memoryChartData[id]
}
}