Add Bookmarking (Local to device)

Changelog-Added: Bookmarking Closes: #649
2023-02-18 15:41:39 -08:00
parent 87a0bdac94
commit 8b9958a4ad
6 changed files with 153 additions and 0 deletions
--- a/damus/Views/BookmarksView.swift
+++ b/damus/Views/BookmarksView.swift
@@ -0,0 +1,69 @@
+//
+//  BookmarksView.swift
+//  damus
+//
+//  Created by Joel Klabo on 2/18/23.
+//
+
+import SwiftUI
+
+struct BookmarksView: View {
+    let state: DamusState
+    private let noneFilter: (NostrEvent) -> Bool = { _ in true }
+    private let bookmarksTitle = NSLocalizedString("Bookmarks", comment: "Title of bookmarks view")
+    
+    @State private var bookmarkEvents: [NostrEvent] = []
+
+    init(state: DamusState) {
+        self.state = state
+    }
+        
+    var body: some View {
+        Group {
+            if bookmarkEvents.isEmpty {
+                VStack {
+                    Image(systemName: "bookmark")
+                        .resizable()
+                        .scaledToFit()
+                        .frame(width: 32.0, height: 32.0)
+                    Text(NSLocalizedString("You have no bookmarks yet, add them in the context menu", comment: "Text indicating that there are no bookmarks to be viewed"))
+                }
+                .task {
+                    updateBookmarks()
+                }
+            } else {
+                ScrollView {
+                    InnerTimelineView(events: EventHolder(events: bookmarkEvents, incoming: []), damus: state, show_friend_icon: true, filter: noneFilter)
+
+                }
+            }
+        }
+        .navigationBarTitleDisplayMode(.inline)
+        .navigationTitle(bookmarksTitle)
+        .toolbar {
+            if !bookmarkEvents.isEmpty {
+                Button(NSLocalizedString("Clear All", comment: "Button for clearing bookmarks data.")) {
+                    BookmarksManager(pubkey: state.pubkey).clearAll()
+                    bookmarkEvents = []
+                }                
+            }
+        }
+        .onReceive(handle_notify(.update_bookmarks)) { _ in
+            updateBookmarks()
+        }
+    }
+    
+    private func updateBookmarks() {
+        bookmarkEvents = BookmarksManager(pubkey: state.pubkey).bookmarks.compactMap { bookmark_json in
+            event_from_json(dat: bookmark_json)
+        }
+    }
+}
+
+/*
+struct BookmarksView_Previews: PreviewProvider {
+ static var previews: some View {
+    BookmarksView()
+ }
+}
+ */