Fix performance for connection list

ApplicationLibrary/Views/Connections/Connection.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-public struct Connection: Codable {
+public struct Connection: Codable, Hashable, Equatable {
     public let id: String
     public let inbound: String
     public let inboundType: String
@@ -24,12 +24,22 @@ public struct Connection: Codable {
     public let outboundType: String
     public let chain: [String]
 
-    func hash(into hasher: inout Hasher) {
+    public func hash(into hasher: inout Hasher) {
         hasher.combine(id)
         hasher.combine(upload)
         hasher.combine(download)
         hasher.combine(uploadTotal)
         hasher.combine(downloadTotal)
+        hasher.combine(closedAt)
+    }
+
+    public static func == (lhs: Connection, rhs: Connection) -> Bool {
+        lhs.id == rhs.id &&
+            lhs.upload == rhs.upload &&
+            lhs.download == rhs.download &&
+            lhs.uploadTotal == rhs.uploadTotal &&
+            lhs.downloadTotal == rhs.downloadTotal &&
+            lhs.closedAt == rhs.closedAt
     }
 
     func performSearch(_ content: String) -> Bool {

ApplicationLibrary/Views/Connections/ConnectionListView.swift

@@ -16,8 +16,8 @@ public struct ConnectionListView: View {
                     Text("Empty connections")
                 } else {
                     ScrollView {
-                        VStack {
-                            ForEach(viewModel.filteredConnections(), id: \.id) { it in
+                        LazyVStack {
+                            ForEach(viewModel.filteredConnections, id: \.id) { it in
                                 ConnectionView(it)
                             }
                         }

ApplicationLibrary/Views/Connections/ConnectionListViewModel.swift

@@ -4,8 +4,19 @@ import SwiftUI
 
 @MainActor
 public class ConnectionListViewModel: BaseViewModel {
-    @Published public var connections: [Connection] = []
-    @Published public var searchText = ""
+    @Published public var connections: [Connection] = [] {
+        didSet {
+            updateFilteredConnections()
+        }
+    }
+
+    @Published public var searchText = "" {
+        didSet {
+            updateFilteredConnections()
+        }
+    }
+
+    @Published public var filteredConnections: [Connection] = []
     @Published public var connectionStateFilter: ConnectionStateFilter {
         didSet {
             saveStateFilterTask?.cancel()
@@ -74,9 +85,11 @@ public class ConnectionListViewModel: BaseViewModel {
         }
     }
 
-    public func filteredConnections() -> [Connection] {
-        connections.filter { connection in
-            searchText == "" || connection.performSearch(searchText)
+    private func updateFilteredConnections() {
+        if searchText.isEmpty {
+            filteredConnections = connections
+        } else {
+            filteredConnections = connections.filter { $0.performSearch(searchText) }
         }
     }
 

ApplicationLibrary/Views/Connections/ConnectionView.swift

@@ -8,10 +8,14 @@ public struct ConnectionView: View {
         self.connection = connection
     }
 
-    private func format(_ date: Date) -> String {
+    private static let timeFormatter: DateFormatter = {
         let formatter = DateFormatter()
         formatter.dateFormat = "HH:mm:ss"
-        return formatter.string(from: date)
+        return formatter
+    }()
+
+    private func format(_ date: Date) -> String {
+        Self.timeFormatter.string(from: date)
     }
 
     public func formatInterval(_ createdAt: Date, _ closedAt: Date) -> String {