Make ArticleExtractor MainActor; make it forget about SecretsProvider and the Secrets module.

This commit is contained in:
Brent Simmons 2024-04-01 22:40:27 -07:00
parent 1c9452a1c5
commit 6e8eecb6a9
3 changed files with 71 additions and 59 deletions

View File

@ -1259,7 +1259,8 @@ private extension MainWindowController {
}
func startArticleExtractorForCurrentLink() {
if let link = currentLink, let extractor = ArticleExtractor(link, secretsProvider: Secrets()) {
let secrets = Secrets()
if let link = currentLink, let extractor = ArticleExtractor(link, clientID: secrets.mercuryClientId, clientSecret: secrets.mercuryClientSecret) {
extractor.delegate = self
extractor.process()
articleExtractor = extractor

View File

@ -7,8 +7,7 @@
//
import Foundation
import Account
import Secrets
import FoundationExtras
public enum ArticleExtractorState {
case ready
@ -24,23 +23,23 @@ protocol ArticleExtractorDelegate {
@MainActor func articleExtractionDidComplete(extractedArticle: ExtractedArticle)
}
final class ArticleExtractor {
@MainActor final class ArticleExtractor {
private var dataTask: URLSessionDataTask? = nil
var state: ArticleExtractorState!
var article: ExtractedArticle?
var delegate: ArticleExtractorDelegate?
var articleLink: String?
let articleLink: String?
private var url: URL!
private let url: URL!
public init?(_ articleLink: String, secretsProvider: SecretsProvider) {
public init?(_ articleLink: String, clientID: String, clientSecret: String) {
self.articleLink = articleLink
let clientURL = "https://extract.feedbin.com/parser"
let username = secretsProvider.mercuryClientId
let signature = articleLink.hmacUsingSHA1(key: secretsProvider.mercuryClientSecret)
let username = clientID
let signature = articleLink.hmacUsingSHA1(key: clientSecret)
if let base64URL = articleLink.data(using: .utf8)?.base64EncodedString() {
let fullURL = "\(clientURL)/\(username)/\(signature)?base64_url=\(base64URL)"
@ -59,54 +58,65 @@ final class ArticleExtractor {
dataTask = URLSession.shared.dataTask(with: url) { [weak self] data, response, error in
guard let self = self else { return }
if let error = error {
self.state = .failedToParse
DispatchQueue.main.async {
self.delegate?.articleExtractionDidFail(with: error)
}
Task { @MainActor [weak self] in
guard let self else {
return
}
guard let data = data else {
self.state = .failedToParse
DispatchQueue.main.async {
self.delegate?.articleExtractionDidFail(with: URLError(.cannotDecodeContentData))
if let error {
self.noteDidFail(error: error)
return
}
guard let data else {
self.noteDidFail(error: URLError(.cannotDecodeContentData))
return
}
do {
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .iso8601
self.article = try decoder.decode(ExtractedArticle.self, from: data)
let article = try decodeArticle(data: data)
self.article = article
DispatchQueue.main.async {
if self.article?.content == nil {
self.state = .failedToParse
self.delegate?.articleExtractionDidFail(with: URLError(.cannotDecodeContentData))
if article.content == nil {
self.noteDidFail(error: URLError(.cannotDecodeContentData))
} else {
self.state = .complete
self.delegate?.articleExtractionDidComplete(extractedArticle: self.article!)
}
self.noteDidComplete(article: article)
}
} catch {
self.state = .failedToParse
DispatchQueue.main.async {
self.delegate?.articleExtractionDidFail(with: error)
self.noteDidFail(error: error)
}
}
}
dataTask!.resume()
}
public func cancel() {
state = .cancelled
dataTask?.cancel()
}
}
private extension ArticleExtractor {
func decodeArticle(data: Data) throws -> ExtractedArticle {
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .iso8601
let article = try decoder.decode(ExtractedArticle.self, from: data)
return article
}
func noteDidFail(error: Error) {
state = .failedToParse
delegate?.articleExtractionDidFail(with: error)
}
func noteDidComplete(article: ExtractedArticle) {
state = .complete
delegate?.articleExtractionDidComplete(extractedArticle: article)
}
}

View File

@ -657,7 +657,8 @@ private extension WebViewController {
func startArticleExtractor() {
guard articleExtractor == nil else { return }
if let link = article?.preferredLink, let extractor = ArticleExtractor(link, secretsProvider: Secrets()) {
let secrets = Secrets()
if let link = article?.preferredLink, let extractor = ArticleExtractor(link, clientID: secrets.mercuryClientId, clientSecret: secrets.mercuryClientSecret) {
extractor.delegate = self
extractor.process()
articleExtractor = extractor