2024-12-04 08:10:45 +01:00

157 lines
3.8 KiB
Swift

import Foundation
final class Post: ObservableObject {
@Published
var id: String
@Published
var isDraft: Bool
@Published
var createdDate: Date
@Published
var startDate: Date
@Published
var hasEndDate: Bool
@Published
var endDate: Date
@Published
var tags: [Tag]
@Published
var german: LocalizedPost
@Published
var english: LocalizedPost
/// The page linked to by this post
@Published
var linkedPage: Page?
init(id: String,
isDraft: Bool,
createdDate: Date,
startDate: Date,
endDate: Date?,
tags: [Tag],
german: LocalizedPost,
english: LocalizedPost,
linkedPage: Page? = nil) {
self.id = id
self.isDraft = isDraft
self.createdDate = createdDate
self.startDate = startDate
self.hasEndDate = endDate != nil
self.endDate = endDate ?? startDate
self.tags = tags
self.german = german
self.english = english
self.linkedPage = linkedPage
}
func localized(in language: ContentLanguage) -> LocalizedPost {
switch language {
case .english: return english
case .german: return german
}
}
}
extension Post: Identifiable {
}
extension Post: Equatable {
static func == (lhs: Post, rhs: Post) -> Bool {
lhs.id == rhs.id
}
}
extension Post: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(id)
}
}
// MARK: Feed entry
extension Post {
private static let englishDate: DateFormatter = {
let df = DateFormatter()
df.locale = .init(identifier: "en")
df.dateFormat = "d. MMMM yyyy"
return df
}()
private static let germanDate: DateFormatter = {
let df = DateFormatter()
df.locale = .init(identifier: "de")
df.dateFormat = "d. MMMM yyyy"
return df
}()
private static let englishDayAndMonth: DateFormatter = {
let df = DateFormatter()
df.locale = .init(identifier: "en")
df.dateFormat = "d. MMMM"
return df
}()
private static let germanDayAndMonth: DateFormatter = {
let df = DateFormatter()
df.locale = .init(identifier: "de")
df.dateFormat = "d. MMMM"
return df
}()
private static let day: DateFormatter = {
let df = DateFormatter()
df.dateFormat = "d."
return df
}()
private static func dayAndMonth(of date: Date, in language: ContentLanguage) -> String {
switch language {
case .english: return englishDayAndMonth.string(from: date)
case .german: return germanDayAndMonth.string(from: date)
}
}
private static func dateString(for date: Date, in language: ContentLanguage) -> String {
switch language {
case .english: return englishDate.string(from: date)
case .german: return germanDate.string(from: date)
}
}
private func datePrefixString(in language: ContentLanguage) -> String {
guard Calendar.current.isDate(startDate, equalTo: endDate, toGranularity: .year) else {
// Different year, return full string
return startDate.formatted(date: .long, time: .omitted)
}
guard Calendar.current.isDate(startDate, equalTo: endDate, toGranularity: .month) else {
// Different month
return Post.dayAndMonth(of: startDate, in: language)
}
return Post.day.string(from: startDate)
}
func dateText(in language: ContentLanguage) -> String {
guard hasEndDate else {
return Post.dateString(for: startDate, in: language)
}
let endText = Post.dateString(for: endDate, in: language)
return "\(datePrefixString(in: language)) - \(endText)"
}
}