From 7d4316ad3ba2f773f1016ce44ddf2e8daada950d Mon Sep 17 00:00:00 2001
From: Pat Nakajima <patnakajima@gmail.com>
Date: Tue, 6 Feb 2024 12:23:19 -0600
Subject: [PATCH] cleanup

---
 Sources/XMTPiOS/Extensions/Date.swift         |  4 ++
 Sources/XMTPiOS/Group.swift                   |  3 ++
 .../Views/ConversationListView.swift          | 42 ++++++++++++++++++-
 .../Views/NewConversationView.swift           |  9 ++++
 4 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/Sources/XMTPiOS/Extensions/Date.swift b/Sources/XMTPiOS/Extensions/Date.swift
index 5db07bf1..a2aa8b29 100644
--- a/Sources/XMTPiOS/Extensions/Date.swift
+++ b/Sources/XMTPiOS/Extensions/Date.swift
@@ -11,4 +11,8 @@ extension Date {
 	var millisecondsSinceEpoch: Double {
 		timeIntervalSince1970 * 1000
 	}
+
+	init(millisecondsSinceEpoch: Int64) {
+		self.init(timeIntervalSince1970: TimeInterval(millisecondsSinceEpoch / 1_000_000_000))
+	}
 }
diff --git a/Sources/XMTPiOS/Group.swift b/Sources/XMTPiOS/Group.swift
index 69e412b4..0660a15e 100644
--- a/Sources/XMTPiOS/Group.swift
+++ b/Sources/XMTPiOS/Group.swift
@@ -44,6 +44,9 @@ public struct Group: Identifiable, Equatable, Hashable {
 		}
 	}
 
+	public var createdAt: Date {
+		Date(millisecondsSinceEpoch: ffiGroup.createdAtNs())
+	}
 
 	public func addMembers(addresses: [String]) async throws {
 		try await ffiGroup.addMembers(accountAddresses: addresses)
diff --git a/XMTPiOSExample/XMTPiOSExample/Views/ConversationListView.swift b/XMTPiOSExample/XMTPiOSExample/Views/ConversationListView.swift
index a44e0526..e737d746 100644
--- a/XMTPiOSExample/XMTPiOSExample/Views/ConversationListView.swift
+++ b/XMTPiOSExample/XMTPiOSExample/Views/ConversationListView.swift
@@ -17,9 +17,37 @@ struct ConversationListView: View {
 
 	var body: some View {
 		List {
-			ForEach(conversations, id: \.id) { item in
+			ForEach(conversations.sorted(by: { $0.createdAt > $1.createdAt }), id: \.id) { item in
 				NavigationLink(value: item) {
-					Text(item.id)
+					HStack {
+						switch item {
+						case .conversation:
+							Image(systemName: "person.fill")
+								.resizable()
+								.scaledToFit()
+								.frame(width: 16, height: 16)
+								.foregroundStyle(.secondary)
+						case .group:
+							Image(systemName: "person.3.fill")
+								.resizable()
+								.scaledToFit()
+								.frame(width: 16, height: 16)
+								.foregroundStyle(.secondary)
+						}
+
+						VStack(alignment: .leading) {
+							switch item {
+							case .conversation(let conversation):
+								Text(abbreviate(address: conversation.peerAddress))
+							case .group(let group):
+								Text(group.members.map { abbreviate(address: $0) }.joined(separator: ", "))
+							}
+
+							Text(item.createdAt.formatted())
+								.font(.caption)
+								.foregroundStyle(.secondary)
+						}
+					}
 				}
 			}
 		}
@@ -73,6 +101,16 @@ struct ConversationListView: View {
 		}
 	}
 
+	func abbreviate(address: String) -> String {
+		if address.count > 6 {
+			let start = address.index(address.startIndex, offsetBy: 6)
+			let end = address.index(address.endIndex, offsetBy: -5)
+			return address.replacingCharacters(in: start ... end, with: "...")
+		} else {
+			return address
+		}
+	}
+
 	func loadConversations() async {
 		do {
 			let conversations = try await client.conversations.list().map {
diff --git a/XMTPiOSExample/XMTPiOSExample/Views/NewConversationView.swift b/XMTPiOSExample/XMTPiOSExample/Views/NewConversationView.swift
index 279d9eec..7586683a 100644
--- a/XMTPiOSExample/XMTPiOSExample/Views/NewConversationView.swift
+++ b/XMTPiOSExample/XMTPiOSExample/Views/NewConversationView.swift
@@ -27,6 +27,15 @@ enum ConversationOrGroup: Identifiable, Hashable {
 			return group.members.joined(separator: ",")
 		}
 	}
+
+	var createdAt: Date {
+		switch self {
+		case .conversation(let conversation):
+			return conversation.createdAt
+		case .group(let group):
+			return group.createdAt
+		}
+	}
 }
 
 struct NewConversationView: View {