diff --git a/damus/Views/MetadataView.swift b/damus/Views/MetadataView.swift index 051ed3da..eec89d04 100644 --- a/damus/Views/MetadataView.swift +++ b/damus/Views/MetadataView.swift @@ -7,6 +7,50 @@ import SwiftUI +let PPM_SIZE: CGFloat = 80.0 + +func isHttpsUrl(_ string: String) -> Bool { + let urlRegEx = "^https://.*$" + let urlTest = NSPredicate(format:"SELF MATCHES %@", urlRegEx) + return urlTest.evaluate(with: string) +} + +func isImage(_ urlString: String) -> Bool { + let imageTypes = ["image/jpg", "image/jpeg", "image/png", "image/gif", "image/tiff", "image/bmp"] + + guard let url = URL(string: urlString) else { + return false + } + + var result = false + let semaphore = DispatchSemaphore(value: 0) + + let task = URLSession.shared.dataTask(with: url) { data, response, error in + if let error = error { + print(error) + semaphore.signal() + return + } + + guard let httpResponse = response as? HTTPURLResponse, + let contentType = httpResponse.allHeaderFields["Content-Type"] as? String else { + semaphore.signal() + return + } + + if imageTypes.contains(contentType.lowercased()) { + result = true + } + + semaphore.signal() + } + + task.resume() + semaphore.wait() + + return result +} + struct MetadataView: View { let damus_state: DamusState @State var name: String = "" @@ -18,6 +62,10 @@ struct MetadataView: View { @State var lud16: String = "" @State private var showAlert = false + // Image preview + @State var profiles = Profiles() + @State private var timer: Timer? + @StateObject var profileModel: ProfileModel func save() { @@ -42,6 +90,11 @@ struct MetadataView: View { var body: some View { VStack(alignment: .leading) { Form { + HStack { + Spacer() + ProfilePicView(pubkey: "0", size: PPM_SIZE, highlight: .none, profiles: profiles) + Spacer() + } Section("Your Nostr Profile") { TextField("Your username", text: $name) .textInputAutocapitalization(.never) @@ -50,6 +103,15 @@ struct MetadataView: View { TextField("Profile Picture Url", text: $picture) .autocorrectionDisabled(true) .textInputAutocapitalization(.never) + .onChange(of: picture) { newValue in + self.timer?.invalidate() + self.timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: false) { _ in + profiles = Profiles() + let tmp_profile = Profile(name: "0", display_name: "0", about: "0", picture: isHttpsUrl(picture) && isImage(picture) ? picture : nil, website: nil, nip05: "", lud06: nil, lud16: nil) + let ts_profile = TimestampedProfile(profile: tmp_profile, timestamp: 0) + profiles.add(id: "0", profile: ts_profile) + } + } TextField("NIP 05 (@)", text: $nip05) .autocorrectionDisabled(true) .textInputAutocapitalization(.never) @@ -68,10 +130,10 @@ struct MetadataView: View { } Section("Advanced") { - TextField("Lud06", text: $lud06) + TextField("LNURL", text: $lud06) .autocorrectionDisabled(true) .textInputAutocapitalization(.never) - TextField("Lud16", text: $lud16) + TextField("LN Address", text: $lud16) .autocorrectionDisabled(true) .textInputAutocapitalization(.never) }