IceCubesApp/IceCubesAppWidgetsExtension/LatestPostsWidget/LatestPostsWidget.swift
2024-07-09 15:35:28 +02:00

100 lines
3.5 KiB
Swift

import DesignSystem
import Models
import Network
import SwiftUI
import Timeline
import WidgetKit
struct LatestPostsWidgetProvider: AppIntentTimelineProvider {
func placeholder(in _: Context) -> PostsWidgetEntry {
.init(date: Date(),
title: "Home",
statuses: [.placeholder()],
images: [:])
}
func snapshot(for configuration: LatestPostsWidgetConfiguration, in context: Context) async -> PostsWidgetEntry {
if let entry = await timeline(for: configuration, context: context).entries.first {
return entry
}
return .init(date: Date(),
title: configuration.timeline?.timeline.title ?? "",
statuses: [],
images: [:])
}
func timeline(for configuration: LatestPostsWidgetConfiguration, in context: Context) async -> Timeline<PostsWidgetEntry> {
await timeline(for: configuration, context: context)
}
private func timeline(for configuration: LatestPostsWidgetConfiguration, context: Context) async -> Timeline<PostsWidgetEntry> {
do {
guard let timeline = configuration.timeline, let account = configuration.account else {
return Timeline(entries: [.init(date: Date(),
title: "",
statuses: [],
images: [:])],
policy: .atEnd)
}
let statuses = await loadStatuses(for: timeline.timeline,
account: account,
widgetFamily: context.family)
let images = try await loadImages(urls: statuses.map { $0.account.avatar })
return Timeline(entries: [.init(date: Date(),
title: timeline.timeline.title,
statuses: statuses,
images: images)], policy: .atEnd)
} catch {
return Timeline(entries: [.init(date: Date(),
title: configuration.timeline?.timeline.title ?? "",
statuses: [],
images: [:])],
policy: .atEnd)
}
}
private func loadImages(urls: [URL]) async throws -> [URL: UIImage] {
try await withThrowingTaskGroup(of: (URL, UIImage?).self) { group in
for url in urls {
group.addTask {
let response = try await URLSession.shared.data(from: url)
return (url, UIImage(data: response.0))
}
}
var images: [URL: UIImage] = [:]
for try await (url, image) in group {
images[url] = image
}
return images
}
}
}
struct LatestPostsWidget: Widget {
let kind: String = "LatestPostsWidget"
var body: some WidgetConfiguration {
AppIntentConfiguration(kind: kind,
intent: LatestPostsWidgetConfiguration.self,
provider: LatestPostsWidgetProvider())
{ entry in
PostsWidgetView(entry: entry)
.containerBackground(Color("WidgetBackground").gradient, for: .widget)
}
.configurationDisplayName("Latest posts")
.description("Show the latest post for the selected timeline")
.supportedFamilies([.systemSmall, .systemMedium, .systemLarge, .systemExtraLarge])
}
}
#Preview(as: .systemMedium) {
LatestPostsWidget()
} timeline: {
PostsWidgetEntry(date: .now,
title: "Mastodon",
statuses: [.placeholder(), .placeholder(), .placeholder(), .placeholder()],
images: [:])
}