Show Website on profiles

Changelog-Added: Show website on profiles

damus/Components/WebsiteLink.swift

@@ -0,0 +1,38 @@
+//
+//  WebsiteLink.swift
+//  damus
+//
+//  Created by William Casarin on 2023-01-22.
+//
+
+import SwiftUI
+
+struct WebsiteLink: View {
+    let url: URL
+    @Environment(\.openURL) var openURL
+
+    var body: some View {
+        HStack {
+            Image(systemName: "link")
+                .foregroundColor(.gray)
+                .font(.footnote)
+            
+            Button(action: {
+                openURL(url)
+            }, label: {
+                Text(link_text)
+                    .font(.footnote)
+            })
+        }
+    }
+    
+    var link_text: String {
+        url.host ?? url.absoluteString
+    }
+}
+
+struct WebsiteLink_Previews: PreviewProvider {
+    static var previews: some View {
+        WebsiteLink(url: URL(string: "https://jb55.com")!)
+    }
+}

damus/Nostr/Nostr.swift

@@ -53,6 +53,10 @@ struct Profile: Codable {
         set(s) { value["website"] = s }
     }
     
+    var website_url: URL? {
+        return self.website.flatMap { URL(string: $0) }
+    }
+    
     var lud06: String? {
         get { return value["lud06"]; }
         set(s) { value["lud06"] = s }

damus/Views/ProfileView.swift

@@ -118,7 +118,8 @@ struct ProfileView: View {
     
     @Environment(\.dismiss) var dismiss
     @Environment(\.colorScheme) var colorScheme
-    
+    @Environment(\.openURL) var openURL
+
     // We just want to have a white "< Home" text here, however,
     // setting the initialiser is causing issues, and it's late.
     // Ref: https://blog.techchee.com/navigation-bar-title-style-color-and-custom-back-button-in-swiftui/
@@ -202,7 +203,7 @@ struct ProfileView: View {
                 ShareButton
                     .offset(x: geo.size.width - 80.0, y: 50.0 )
             }.frame(height: BANNER_HEIGHT)
-            VStack(alignment: .leading) {
+            VStack(alignment: .leading, spacing: 8.0) {
                 let data = damus_state.profiles.lookup(id: profile.pubkey)
                 let pfp_size: CGFloat = 90.0
                 
@@ -250,6 +251,10 @@ struct ProfileView: View {
                 Text(ProfileView.markdown.process(data?.about ?? ""))
                     .font(.subheadline)
                 
+                if let url = data?.website_url {
+                    WebsiteLink(url: url)
+                }
+                
                 Divider()
                 
                 HStack {