Add labels to posts

CHDataManagement/Model/ContentLabel.swift

@@ -0,0 +1,49 @@
+import Foundation
+
+final class ContentLabel: ObservableObject {
+
+    @Published
+    var icon: PageIcon
+
+    @Published
+    var value: String
+
+    init(icon: PageIcon, value: String) {
+        self.icon = icon
+        self.value = value
+    }
+}
+
+extension ContentLabel: Equatable {
+
+    static func == (lhs: ContentLabel, rhs: ContentLabel) -> Bool {
+        lhs.icon == rhs.icon && lhs.value == rhs.value
+    }
+}
+
+extension ContentLabel: Identifiable {
+
+    var id: String {
+        icon.rawValue + value
+    }
+}
+
+extension ContentLabel {
+
+    var data: Data {
+        .init(icon: icon.rawValue, value: value)
+    }
+
+    convenience init?(context: LoadingContext, data: Data) {
+        guard let icon = PageIcon(rawValue: data.icon) else {
+            context.error("Unknown label icon '\(data.icon)'")
+            return nil
+        }
+        self.init(icon: icon, value: data.value)
+    }
+
+    struct Data: Codable {
+        let icon: String
+        let value: String
+    }
+}

CHDataManagement/Model/LocalizedPost.swift

@@ -17,6 +17,10 @@ final class LocalizedPost: ObservableObject {
     @Published
     var images: [FileResource]
 
+    /// The labels to show beneath the title
+    @Published
+    var labels: [ContentLabel]
+
     /// The text to show for the link to the `linkedPage`
     @Published
     var pageLinkText: String?
@@ -29,6 +33,7 @@ final class LocalizedPost: ObservableObject {
          text: String,
          lastModified: Date? = nil,
          images: [FileResource] = [],
+         labels: [ContentLabel] = [],
          pageLinkText: String? = nil,
          linkPreview: LinkPreview = .init()) {
         self.content = content
@@ -36,6 +41,7 @@ final class LocalizedPost: ObservableObject {
         self.text = text
         self.lastModified = lastModified
         self.images = images
+        self.labels = labels
         self.pageLinkText = pageLinkText
         self.linkPreview = linkPreview
     }
@@ -86,12 +92,14 @@ extension LocalizedPost {
             text: data.text,
             lastModified: data.lastModifiedDate,
             images: data.images.compactMap(context.postMedia),
+            labels: data.labels?.compactMap { ContentLabel(context: context, data: $0) } ?? [],
             pageLinkText: data.pageLinkText,
             linkPreview: .init(context: context, data: data.linkPreview))
     }
 
     var data: Data {
         .init(images: images.map { $0.id },
+              labels: labels.map { $0.data }.nonEmpty,
               title: title,
               text: text,
               lastModifiedDate: lastModified,
@@ -102,6 +110,7 @@ extension LocalizedPost {
     /// The structure to store the metadata of a localized post
     struct Data: Codable {
         let images: [String]
+        let labels: [ContentLabel.Data]?
         let title: String?
         let text: String
         let lastModifiedDate: Date?