41 lines
1.3 KiB
Swift
41 lines
1.3 KiB
Swift
//
|
|
// https://mczachurski.dev
|
|
// Copyright © 2023 Marcin Czachurski and the repository contributors.
|
|
// Licensed under the Apache License 2.0.
|
|
//
|
|
|
|
import Foundation
|
|
import PixelfedKit
|
|
import ServicesKit
|
|
|
|
public class AppMetadataService {
|
|
public static let shared = AppMetadataService()
|
|
private init() { }
|
|
|
|
private let metadataUrl = URL(string: "https://raw.githubusercontent.com/VernissageApp/Home/main/instances2.json")!
|
|
private let metadataCacheKey = "metadataCacheKey"
|
|
private var memoryCacheData = MemoryCache<String, AppMetadata>(entryLifetime: 600)
|
|
|
|
public func metadata() async -> AppMetadata {
|
|
do {
|
|
if let metadata = self.memoryCacheData[metadataCacheKey] {
|
|
return metadata
|
|
}
|
|
|
|
let (data, response) = try await URLSession.shared.data(from: metadataUrl)
|
|
|
|
guard (response as? HTTPURLResponse)?.status?.responseType == .success else {
|
|
throw NetworkError.notSuccessResponse(response)
|
|
}
|
|
|
|
let metadata = try JSONDecoder().decode(AppMetadata.self, from: data)
|
|
|
|
self.memoryCacheData[metadataCacheKey] = metadata
|
|
return metadata
|
|
} catch {
|
|
ErrorService.shared.handle(error, message: "Error during downloading metadata.")
|
|
return AppMetadata()
|
|
}
|
|
}
|
|
}
|