damus

nostr ios client
git clone git://jb55.com/damus
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AddMuteItemView.swift (4305B)

      1 //
      2 //  AddMuteItemView.swift
      3 //  damus
      4 //
      5 //  Created by Charlie Fish on 1/10/24.
      6 //
      7 import SwiftUI
      8 
      9 struct AddMuteItemView: View {
     10     let state: DamusState
     11     @Binding var new_text: String
     12     @State var expiration: DamusDuration = .indefinite
     13 
     14     @Environment(\.dismiss) var dismiss
     15 
     16     var trimmedText: String {
     17         new_text.trimmingCharacters(in: .whitespaces)
     18     }
     19 
     20     var body: some View {
     21         VStack {
     22             Text("Add mute item", comment: "Title text to indicate user to an add an item to their mutelist.")
     23                 .font(.system(size: 20, weight: .bold))
     24                 .padding(.vertical)
     25 
     26             Divider()
     27                 .padding(.bottom)
     28 
     29             Picker(selection: $expiration) {
     30                 ForEach(DamusDuration.allCases, id: \.self) { duration in
     31                     Text(duration.title).tag(duration)
     32                 }
     33             } label: {
     34                 Text("Duration", comment: "The duration in which to mute the given item.")
     35             }
     36 
     37             let trimmedText = self.trimmedText
     38 
     39             HStack {
     40                 Label("", image: "copy2")
     41                     .onTapGesture {
     42                     if let pasted_text = UIPasteboard.general.string {
     43                         self.new_text = pasted_text.trimmingCharacters(in: .whitespaces)
     44                     }
     45                 }
     46                 TextField(NSLocalizedString("npub, #hashtag, phrase", comment: "Placeholder example for relay server address."), text: $new_text)
     47                     .autocorrectionDisabled(true)
     48                     .textInputAutocapitalization(.never)
     49 
     50                 Label("", image: "close-circle")
     51                     .foregroundColor(.accentColor)
     52                     .opacity(trimmedText.isEmpty ? 0.0 : 1.0)
     53                     .onTapGesture {
     54                         self.new_text = ""
     55                     }
     56             }
     57             .padding(10)
     58             .background(.secondary.opacity(0.2))
     59             .cornerRadius(10)
     60 
     61             Button(action: {
     62                 let expiration_date: Date? = self.expiration.date_from_now
     63                 let mute_item: MuteItem? = {
     64                     if trimmedText.starts(with: "npub") {
     65                         if let pubkey: Pubkey = bech32_pubkey_decode(trimmedText) {
     66                             return .user(pubkey, expiration_date)
     67                         } else {
     68                             return nil
     69                         }
     70                     } else if trimmedText.starts(with: "#") {
     71                         // Remove the starting `#` character
     72                         return .hashtag(Hashtag(hashtag: String("\(trimmedText)".dropFirst())), expiration_date)
     73                     } else {
     74                         return .word(trimmedText, expiration_date)
     75                     }
     76                 }()
     77 
     78                 // Actually update & relay the new mute list
     79                 if let mute_item {
     80                     let existing_mutelist = state.mutelist_manager.event
     81 
     82                     guard
     83                         let full_keypair = state.keypair.to_full(),
     84                         let mutelist = create_or_update_mutelist(keypair: full_keypair, mprev: existing_mutelist, to_add: mute_item)
     85                     else {
     86                         return
     87                     }
     88 
     89                     state.mutelist_manager.set_mutelist(mutelist)
     90                     state.postbox.send(mutelist)
     91                 }
     92 
     93                 new_text = ""
     94 
     95                 this_app.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
     96 
     97                 dismiss()
     98             }) {
     99                 HStack {
    100                     Text("Add mute item", comment: "Button to an add an item to the user's mutelist.")
    101                         .bold()
    102                 }
    103                 .frame(minWidth: 300, maxWidth: .infinity, alignment: .center)
    104             }
    105             .buttonStyle(GradientButtonStyle(padding: 10))
    106             .padding(.vertical)
    107             .opacity(trimmedText.isEmpty ? 0.5 : 1.0)
    108             .disabled(trimmedText.isEmpty)
    109 
    110             Spacer()
    111         }
    112         .padding()
    113     }
    114 }
    115 
    116 struct AddMuteItemView_Previews: PreviewProvider {
    117     static var previews: some View {
    118         AddMuteItemView(state: test_damus_state, new_text: .constant(""))
    119     }
    120 }