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