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BloggerWidget.swift
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BloggerWidget.swift
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//
// BloggerWidget.swift
// BloggerWidget
//
// Created by 莊智凱 on 2022/1/9.
//
import WidgetKit
import SwiftUI
struct Provider: TimelineProvider {
func placeholder(in context: Context) -> Entry {
Entry(date: Date(), entry: Array(repeating: Entries(isSave: nil, id: Entries.Id(id: ""), published: Entries.Published(published: Date()), category: nil, title: Entries.Title(title: ""), content: Entries.Content(content: ""), link: Array(repeating: Links(rel: "", href: ""), count: 4), author: Array(repeating: Author(name: Author.Name(name: ""), avatar: Author.Avatar(src: "")), count: 1), thumbnail: nil, commentNum: nil), count: 4), uiImage: Array(repeating: UIImage(), count: 4))
}
func getSnapshot(in context: Context, completion: @escaping (Entry) -> ()) {
fetchPosts { entries in
var uiImages: [UIImage] = Array(repeating: UIImage(), count: 4)
let currentDate = Date()
var count = 0
for index in 0..<entries.count {
if let thumbnail = entries[index].thumbnail {
let resVarId = thumbnail.url.lastIndex(of: "s") ?? thumbnail.url.endIndex
let fullResUrl = thumbnail.url[..<resVarId]
URLSession.shared.dataTask(with: URL(string: fullResUrl + "s480")!) { data, response, error in
if let data = data, let uiImage = UIImage(data: data) {
uiImages[index] = uiImage
count += 1
if count == entries.count - 1 {
let entry = Entry(date: currentDate, entry: entries, uiImage: uiImages)
completion(entry)
}
}
}.resume()
} else {
count += 1
if count == entries.count - 1 {
let entry = Entry(date: currentDate, entry: entries, uiImage: uiImages)
completion(entry)
}
}
}
}
}
func getTimeline(in context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
fetchPosts { entries in
var uiImages: [UIImage] = Array(repeating: UIImage(), count: 4)
let currentDate = Date()
var count = 0
for index in 0..<entries.count {
if let thumbnail = entries[index].thumbnail {
let resVarId = thumbnail.url.lastIndex(of: "s") ?? thumbnail.url.endIndex
let fullResUrl = thumbnail.url[..<resVarId]
URLSession.shared.dataTask(with: URL(string: fullResUrl + "s480")!) { data, response, error in
if let data = data, let uiImage = UIImage(data: data) {
uiImages[index] = uiImage
count += 1
if count == entries.count {
let entry = Entry(date: currentDate, entry: entries, uiImage: uiImages)
let nextUpdate = Calendar.current.date(byAdding: .minute, value: 15, to: currentDate)
let timeline = Timeline(entries: [entry], policy: .after(nextUpdate!))
completion(timeline)
}
}
}.resume()
} else {
count += 1
if count == entries.count {
let entry = Entry(date: currentDate, entry: entries, uiImage: uiImages)
let nextUpdate = Calendar.current.date(byAdding: .minute, value: 15, to: currentDate)
let timeline = Timeline(entries: [entry], policy: .after(nextUpdate!))
completion(timeline)
}
}
}
}
}
}
struct BloggerWidgetEntryView : View {
@Environment(\.widgetFamily) var widgetFamily
var data: Entry
var body: some View {
switch widgetFamily {
case .systemSmall:
GeometryReader { geo in
ZStack {
Image(uiImage: data.uiImage[0])
.resizable()
.scaledToFill()
VStack {
Spacer()
Text(data.entry[0].title.title)
.font(.caption)
.foregroundColor(.white)
.lineLimit(3)
.padding(10)
.padding(.trailing, 5)
}
.frame(width: geo.size.width, height: geo.size.height)
.background(LinearGradient(gradient: Gradient(colors: [.black, .clear]), startPoint: .bottom, endPoint: .center))
}
.frame(width: geo.size.width, height: geo.size.height)
}
case .systemMedium:
GeometryReader { geo in
VStack(alignment: .leading, spacing: 8) {
Label {
Text("Latest posts").bold().font(.subheadline)
} icon: {
Text(Image(systemName: "doc.richtext")).bold().font(.subheadline).foregroundColor(.orange)
}
ForEach(0..<2) { index in
HStack(alignment: .top) {
VStack(alignment: .leading) {
Text(data.entry[index].published.published, format: .dateTime.year().month().day()).bold().foregroundColor(.gray).font(.caption)
Text(data.entry[index].title.title).bold().font(.caption)
}
Spacer()
Image(uiImage: data.uiImage[index])
.resizable()
.scaledToFill()
.frame(width: geo.size.height/3.2, height: geo.size.height/3.2)
.cornerRadius(5)
.clipped()
}
}
}.padding().frame(width: geo.size.width, height: geo.size.height)
}
case .systemLarge:
GeometryReader { geo in
VStack(alignment: .leading, spacing: 10) {
Label {
Text("Latest posts").bold().font(.subheadline)
} icon: {
Text(Image(systemName: "doc.richtext")).bold().font(.subheadline).foregroundColor(.orange)
}
ForEach(0..<4) { index in
HStack(alignment: .top) {
VStack(alignment: .leading) {
Text(data.entry[index].published.published, format: .dateTime.year().month().day()).bold().foregroundColor(.gray).font(.caption)
Text(data.entry[index].title.title).bold().font(.caption)
}
Spacer()
Image(uiImage: data.uiImage[index])
.resizable()
.scaledToFill()
.frame(width: geo.size.height/5.3, height: geo.size.height/5.3)
.cornerRadius(5)
.clipped()
}
}
}.padding().frame(width: geo.size.width, height: geo.size.height)
}
case .systemExtraLarge:
GeometryReader { geo in
VStack(alignment: .leading, spacing: 10) {
Label {
Text("Latest posts on Blogger").bold().font(.subheadline)
} icon: {
Text(Image(systemName: "doc.richtext")).bold().font(.subheadline).foregroundColor(.orange)
}
ForEach(0..<4) { index in
HStack(alignment: .top) {
VStack(alignment: .leading) {
Text(data.entry[index].title.title).bold().font(.caption)
Spacer()
HStack {
ForEach(data.entry[index].category!, id: \.term) { category in
Text("-" + category.term).bold().foregroundColor(.gray).font(.caption)
}
}
Spacer()
( Text(Image(systemName: "calendar")) + Text(" ") + Text(data.entry[index].published.published, format: .dateTime.year().month().day()) + Text(" ") + Text(Image(systemName: "text.bubble")) + Text(" ") + Text("\(data.entry[index].commentNum!.commentNum) comment")).bold().foregroundColor(.gray).font(.caption)
}
Spacer()
Image(uiImage: data.uiImage[index])
.resizable()
.scaledToFill()
.frame(width: geo.size.height/5.3, height: geo.size.height/5.3)
.cornerRadius(5)
.clipped()
}
}
}.padding().frame(width: geo.size.width, height: geo.size.height)
}
default: Text("")
}
}
}
@main
struct BloggerWidget: Widget {
let kind: String = "BloggerWidget"
var body: some WidgetConfiguration {
StaticConfiguration(kind: kind, provider: Provider()) { entry in
BloggerWidgetEntryView(data: entry)
}
.configurationDisplayName("Blogger Widget")
.description("Add this widget on your iPhone to view lastest posts!")
}
}