93 lines
3.1 KiB
Swift
93 lines
3.1 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 MIT License.
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//
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import Foundation
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import SwiftUI
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import PixelfedKit
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public class ImageFetcher {
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public static let shared = ImageFetcher()
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private init() { }
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func fetchWidgetEntries(length: Int = 6) async throws -> [WidgetEntry] {
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let defaultSettings = ApplicationSettingsHandler.shared.getDefaultSettings()
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guard let accountId = defaultSettings.currentAccount else {
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return [self.placeholder()]
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}
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guard let account = AccountDataHandler.shared.getAccountData(accountId: accountId) else {
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return [self.placeholder()]
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}
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guard let accessToken = account.accessToken else {
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return [self.placeholder()]
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}
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let client = PixelfedClient(baseURL: account.serverUrl).getAuthenticated(token: accessToken)
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let statuses = try await client.getHomeTimeline(limit: 10)
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var widgetEntries: [WidgetEntry] = []
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for status in statuses {
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// When we have images for next hour we can skip.
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if widgetEntries.count == length {
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break
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}
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// We have to skip sensitive (we cannot show them on iPhone home screen).
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if status.sensitive {
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continue
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}
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guard let imageAttachment = status.mediaAttachments.first(where: { $0.type == .image }) else {
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continue
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}
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let uiImage = await self.getImage(url: imageAttachment.url)
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let uiAvatar = await self.getImage(url: status.account.avatar)
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guard let uiImage, let uiAvatar else {
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continue
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}
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let displayDate = Calendar.current.date(byAdding: .minute, value: widgetEntries.count * 10, to: Date())
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widgetEntries.append(WidgetEntry(date: displayDate ?? Date(),
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image: uiImage,
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avatar: uiAvatar,
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displayName: status.account.displayNameWithoutEmojis,
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statusId: status.id))
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}
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if widgetEntries.isEmpty {
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widgetEntries.append(self.placeholder())
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}
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return widgetEntries
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}
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func placeholder() -> WidgetEntry {
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WidgetEntry(date: Date(), image: nil, avatar: nil, displayName: "John Misiakiewiczowicz", statusId: "123321")
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}
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private func getImage(url: URL?) async -> UIImage? {
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guard let url else {
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return nil
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}
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do {
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let (data, response) = try await URLSession.shared.data(from: url)
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if (response as? HTTPURLResponse)?.status?.responseType == .success {
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return UIImage(data: data)?.resized(toWidth: 1200)
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}
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return nil
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} catch {
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return nil
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}
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}
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}
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