45 lines
1.1 KiB
Swift
45 lines
1.1 KiB
Swift
//
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// HTMLMetadataDownloader.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 11/26/17.
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// Copyright © 2017 Ranchero Software. All rights reserved.
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//
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import Foundation
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import Web
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import Parser
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extension RSHTMLMetadata: @unchecked Sendable {}
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struct HTMLMetadataDownloader {
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@MainActor static func downloadMetadata(for url: String) async -> RSHTMLMetadata? {
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guard let actualURL = URL(unicodeString: url) else {
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return nil
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}
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let downloadData = try? await downloadUsingCache(actualURL)
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let data = downloadData?.data
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let response = downloadData?.response
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if let data, !data.isEmpty, let response, response.statusIsOK {
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let urlToUse = response.url ?? actualURL
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let parserData = ParserData(url: urlToUse.absoluteString, data: data)
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return await parseMetadata(with: parserData)
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}
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return nil
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}
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@MainActor private static func parseMetadata(with parserData: ParserData) async -> RSHTMLMetadata? {
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let task = Task.detached { () -> RSHTMLMetadata? in
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RSHTMLMetadataParser.htmlMetadata(with: parserData)
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}
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return await task.value
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}
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}
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