7040235605
This is a non-behavioral change in preparation for the actual switchover from Strings to Ids. The purpose of this kit is to reduce the size of the switchover commit which is going to be very large.
71 lines
1.7 KiB
Swift
71 lines
1.7 KiB
Swift
//
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// BookmarksManager.swift
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// damus
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//
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// Created by Joel Klabo on 2/18/23.
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//
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import Foundation
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fileprivate func get_bookmarks_key(pubkey: Pubkey) -> String {
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pk_setting_key(pubkey, key: "bookmarks")
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}
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func load_bookmarks(pubkey: Pubkey) -> [NostrEvent] {
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let key = get_bookmarks_key(pubkey: pubkey)
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return (UserDefaults.standard.stringArray(forKey: key) ?? []).compactMap {
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event_from_json(dat: $0)
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}
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}
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func save_bookmarks(pubkey: Pubkey, current_value: [NostrEvent], value: [NostrEvent]) -> Bool {
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let uniq_bookmarks = uniq(value)
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if uniq_bookmarks != current_value {
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let encoded = uniq_bookmarks.map(event_to_json)
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UserDefaults.standard.set(encoded, forKey: get_bookmarks_key(pubkey: pubkey))
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return true
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}
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return false
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}
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class BookmarksManager: ObservableObject {
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private let pubkey: Pubkey
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private var _bookmarks: [NostrEvent]
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var bookmarks: [NostrEvent] {
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get {
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return _bookmarks
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}
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set {
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if save_bookmarks(pubkey: pubkey, current_value: _bookmarks, value: newValue) {
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self._bookmarks = newValue
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self.objectWillChange.send()
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}
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}
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}
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init(pubkey: Pubkey) {
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self._bookmarks = load_bookmarks(pubkey: pubkey)
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self.pubkey = pubkey
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}
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func isBookmarked(_ ev: NostrEvent) -> Bool {
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return bookmarks.contains(ev)
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}
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func updateBookmark(_ ev: NostrEvent) {
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if isBookmarked(ev) {
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bookmarks = bookmarks.filter { $0 != ev }
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} else {
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bookmarks.insert(ev, at: 0)
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}
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}
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func clearAll() {
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bookmarks = []
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}
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}
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