Add ability to show multiple posts per user in Universe

ChangeLog-Added: Add ability to show multiple posts per user in Universe
Closes: #1198
Fixes: #1189

damus/Models/SearchHomeModel.swift

@@ -18,6 +18,7 @@ class SearchHomeModel: ObservableObject {
     let base_subid = UUID().description
     let profiles_subid = UUID().description
     let limit: UInt32 = 250
+    //let multiple_events_per_pubkey: Bool = false
     
     init(damus_state: DamusState) {
         self.damus_state = damus_state
@@ -60,7 +61,7 @@ class SearchHomeModel: ObservableObject {
                 return
             }
             if ev.is_textlike && should_show_event(contacts: damus_state.contacts, ev: ev) && !ev.is_reply(nil) {
-                if seen_pubkey.contains(ev.pubkey) {
+                if !damus_state.settings.multiple_events_per_pubkey && seen_pubkey.contains(ev.pubkey) {
                     return
                 }
                 seen_pubkey.insert(ev.pubkey)

damus/Models/UserSettingsStore.swift

@@ -137,6 +137,9 @@ class UserSettingsStore: ObservableObject {
 
     @Setting(key: "show_only_preferred_languages", default_value: false)
     var show_only_preferred_languages: Bool
+    
+    @Setting(key: "multiple_events_per_pubkey", default_value: false)
+    var multiple_events_per_pubkey: Bool
 
     @Setting(key: "onlyzaps_mode", default_value: false)
     var onlyzaps_mode: Bool

damus/Views/ConfigView.swift

@@ -44,6 +44,10 @@ struct ConfigView: View {
                         IconLabel(NSLocalizedString("Appearance", comment: "Section header for text and appearance settings"), img_name: "eye", color: .red)
                     }
                     
+                    NavigationLink(destination: SearchSettingsView(settings: settings)) {
+                        IconLabel(NSLocalizedString("Search/Universe", comment: "Section header for search/universe settings"), img_name: "magnifyingglass", color: .red)
+                    }
+                    
                     NavigationLink(destination: NotificationSettingsView(settings: settings)) {
                         IconLabel(NSLocalizedString("Notifications", comment: "Section header for Damus notifications"), img_name: "notification-bell-on", color: .blue)
                     }

damus/Views/Settings/SearchSettingsView.swift

@@ -0,0 +1,32 @@
+//
+//  SearchSettingsView.swift
+//  damus
+//
+//  Created by Ben Weeks on 29/05/2023.
+//
+
+import SwiftUI
+
+struct SearchSettingsView: View {
+    @ObservedObject var settings: UserSettingsStore
+    @Environment(\.dismiss) var dismiss
+
+    var body: some View {
+        Form {
+            Section(header: Text(NSLocalizedString("Spam", comment: "Section header for Universe/Search spam"))) {
+                Toggle(NSLocalizedString("View multiple events per user", comment: "Setting to only see 1 event per user (npub) in the search/universe"), isOn: $settings.multiple_events_per_pubkey)
+                    .toggleStyle(.switch)
+            }
+        }
+        .navigationTitle(NSLocalizedString("Search/Universe", comment: "Navigation title for universe/search settings."))
+        .onReceive(handle_notify(.switched_timeline)) { _ in
+            dismiss()
+        }
+    }
+}
+
+struct SearchSettingsView_Previews: PreviewProvider {
+    static var previews: some View {
+        SearchSettingsView(settings: UserSettingsStore())
+    }
+}