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Co-authored-by: William Casarin <jb55@jb55.com> Changelog-Added: User tagging and autocompletion in posts Closes: #347 Fixes: #411, #63translations_damus-localizations-en-us-xcloc-localized-contents-en-us-xliff--master_pl_PL
Swift
2 years ago
committed by
William Casarin
William Casarin
5 changed files with 133 additions and 4 deletions
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// |
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// UserAutocompletion.swift |
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// damus |
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// |
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// Created by William Casarin on 2023-01-28. |
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// |
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import SwiftUI |
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struct SearchedUser: Identifiable { |
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let petname: String? |
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let profile: Profile? |
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let pubkey: String |
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var id: String { |
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return pubkey |
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} |
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} |
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struct UserSearch: View { |
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let damus_state: DamusState |
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let search: String |
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@Binding var post: String |
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var users: [SearchedUser] { |
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guard let contacts = damus_state.contacts.event else { |
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return [] |
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} |
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return search_users(profiles: damus_state.profiles, tags: contacts.tags, search: search) |
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} |
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var body: some View { |
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ScrollView { |
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LazyVStack { |
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ForEach(users) { user in |
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UserView(damus_state: damus_state, pubkey: user.pubkey) |
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.onTapGesture { |
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guard let pk = bech32_pubkey(user.pubkey) else { |
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return |
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} |
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post = post.replacingOccurrences(of: "@"+search, with: "@"+pk) |
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} |
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} |
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} |
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} |
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} |
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} |
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struct UserSearch_Previews: PreviewProvider { |
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static let search: String = "jb55" |
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@State static var post: String = "some @jb55" |
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static var previews: some View { |
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UserSearch(damus_state: test_damus_state(), search: search, post: $post) |
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} |
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} |
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func search_users(profiles: Profiles, tags: [[String]], search: String) -> [SearchedUser] { |
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var seen_user = Set<String>() |
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return tags.reduce(into: Array<SearchedUser>()) { arr, tag in |
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guard tag.count >= 2 && tag[0] == "p" else { |
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return |
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} |
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let pubkey = tag[1] |
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guard !seen_user.contains(pubkey) else { |
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return |
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} |
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seen_user.insert(pubkey) |
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var petname: String? = nil |
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if tag.count >= 4 { |
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petname = tag[3] |
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} |
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let profile = profiles.lookup(id: pubkey) |
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guard ((petname?.hasPrefix(search) ?? false) || (profile?.name?.hasPrefix(search) ?? false)) else { |
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return |
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} |
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let searched_user = SearchedUser(petname: petname, profile: profile, pubkey: pubkey) |
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arr.append(searched_user) |
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} |
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} |
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