From c3bd783769c10ed60291573b4e6e90b654f69306 Mon Sep 17 00:00:00 2001
From: fmodf <fmodf.ios@gmail.com>
Date: Mon, 1 Jul 2024 11:29:31 +0200
Subject: [PATCH] wip

---
 .../AppCore/XMPP/XMPPService.swift            | 17 +++---
 .../Conversation/ConversationScreen.swift     | 54 ++++++++++++++++---
 2 files changed, 55 insertions(+), 16 deletions(-)

diff --git a/ConversationsClassic/AppCore/XMPP/XMPPService.swift b/ConversationsClassic/AppCore/XMPP/XMPPService.swift
index 89a2b27..0f720fa 100644
--- a/ConversationsClassic/AppCore/XMPP/XMPPService.swift
+++ b/ConversationsClassic/AppCore/XMPP/XMPPService.swift
@@ -113,17 +113,14 @@ final class XMPPService: ObservableObject {
         message.to = JID(to)
         message.body = message.body
 
-        client.module(MessageModule.self)
-            .chatManager
-            .chat(for: client.context, with: JID(to).bareJid)?
-            .send(message: message) { res in
-                switch res {
-                case .success:
-                    completion(true)
+        client.context.writer.write(message) { res in
+            switch res {
+            case .success:
+                completion(true)
 
-                case .failure:
-                    completion(false)
-                }
+            case .failure:
+                completion(false)
             }
+        }
     }
 }
diff --git a/ConversationsClassic/View/Screens/Conversation/ConversationScreen.swift b/ConversationsClassic/View/Screens/Conversation/ConversationScreen.swift
index 4ff6cba..55f89ad 100644
--- a/ConversationsClassic/View/Screens/Conversation/ConversationScreen.swift
+++ b/ConversationsClassic/View/Screens/Conversation/ConversationScreen.swift
@@ -6,6 +6,8 @@ import SwiftUI
 struct ConversationScreen: View {
     @EnvironmentObject var store: AppStore
 
+    @State private var autoScroll = true
+
     var body: some View {
         ZStack {
             // Background color
@@ -20,14 +22,45 @@ struct ConversationScreen: View {
                 // Msg list
                 let messages = store.state.conversationsState.currentMessages
                 if !messages.isEmpty {
-                    List {
-                        ForEach(messages) { message in
-                            ConversationMessageRow(message: message)
+                    ScrollViewReader { proxy in
+                        List {
+                            ForEach(messages) { message in
+                                ConversationMessageRow(message: message)
+                                    .id(message.id)
+                                    .onAppear {
+                                        if message.id == messages.last?.id {
+                                            autoScroll = true
+                                        }
+                                    }
+                                    .onDisappear {
+                                        if message.id == messages.last?.id {
+                                            autoScroll = false
+                                        }
+                                    }
+                            }
+                        }
+                        .listStyle(.plain)
+                        .background(Color.Main.backgroundLight)
+                        .scrollDismissesKeyboard(.immediately)
+                        .scrollIndicators(.hidden)
+                        .onChange(of: messages) { _ in
+                            if autoScroll {
+                                withAnimation {
+                                    proxy.scrollTo(messages.last?.id, anchor: .bottom)
+                                }
+                            }
+                        }
+                        .onChange(of: autoScroll) { new in
+                            if new {
+                                withAnimation {
+                                    proxy.scrollTo(messages.last?.id, anchor: .bottom)
+                                }
+                            }
+                        }
+                        .onAppear {
+                            proxy.scrollTo(messages.last?.id, anchor: .bottom)
                         }
                     }
-                    .listStyle(.plain)
-                    .background(Color.Main.backgroundLight)
-                    .scrollDismissesKeyboard(.immediately)
                 } else {
                     Spacer()
                 }
@@ -35,6 +68,15 @@ struct ConversationScreen: View {
             .onTapGesture {
                 UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
             }
+
+            // Jump to last button
+            if !autoScroll {
+                Button {
+                    autoScroll = true
+                } label: {
+                    Text("TEST")
+                }
+            }
         }
         .safeAreaInset(edge: .bottom, spacing: 0) {
             ConversationTextInput()