From 1287135ebbe8420de44ab73ce6a553b17067dfdb Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Sat, 14 Sep 2019 16:08:08 +0200
Subject: Improve conversation unread status detection

---
 libdino/src/service/chat_interaction.vala          | 37 ++++++++++++++++++++++
 .../service/counterpart_interaction_manager.vala   |  2 ++
 2 files changed, 39 insertions(+)

(limited to 'libdino')

diff --git a/libdino/src/service/chat_interaction.vala b/libdino/src/service/chat_interaction.vala
index de352e95..b200916a 100644
--- a/libdino/src/service/chat_interaction.vala
+++ b/libdino/src/service/chat_interaction.vala
@@ -31,6 +31,43 @@ public class ChatInteraction : StreamInteractionModule, Object {
         stream_interactor.get_module(MessageProcessor.IDENTITY).message_sent.connect(on_message_sent);
     }
 
+    public bool has_unread(Conversation conversation) {
+        ContentItem? last_content_item = stream_interactor.get_module(ContentItemStore.IDENTITY).get_latest(conversation);
+        if (last_content_item == null) return false;
+
+        MessageItem? message_item = last_content_item as MessageItem;
+        if (message_item != null) {
+            Message last_message = message_item.message;
+
+            // We are the message sender
+            if (last_message.from.equals_bare(conversation.account.bare_jid)) return false;
+            // We read up to the message
+            if (conversation.read_up_to != null && last_message.equals(conversation.read_up_to)) return false;
+
+            return true;
+        }
+
+        FileItem? file_item = last_content_item as FileItem;
+        if (file_item != null) {
+            FileTransfer file_transfer = file_item.file_transfer;
+
+            // We are the file sender
+            if (file_transfer.from.equals_bare(conversation.account.bare_jid)) return false;
+
+            if (file_transfer.provider == 0) {
+                // HTTP file transfer: Check if the associated message is the last one
+                Message? message = stream_interactor.get_module(MessageStorage.IDENTITY).get_message_by_id(int.parse(file_transfer.info), conversation);
+                if (message == null) return false;
+                if (message.equals(conversation.read_up_to)) return false;
+            }
+            if (file_transfer.provider == 1) {
+                if (file_transfer.state == FileTransfer.State.COMPLETE) return false;
+            }
+            return true;
+        }
+        return false;
+    }
+
     public bool is_active_focus(Conversation? conversation = null) {
         if (conversation != null) {
             return focus_in && conversation.equals(this.selected_conversation);
diff --git a/libdino/src/service/counterpart_interaction_manager.vala b/libdino/src/service/counterpart_interaction_manager.vala
index 7da65650..5ff74eb7 100644
--- a/libdino/src/service/counterpart_interaction_manager.vala
+++ b/libdino/src/service/counterpart_interaction_manager.vala
@@ -89,6 +89,8 @@ public class CounterpartInteractionManager : StreamInteractionModule, Object {
             if (conversation == null) return;
             Entities.Message? message = stream_interactor.get_module(MessageStorage.IDENTITY).get_message_by_stanza_id(stanza_id, conversation);
             if (message == null) return;
+            // Don't move read marker backwards because we get old info from another client
+            if (conversation.read_up_to.local_time.compare(message.local_time) > 0) return;
             conversation.read_up_to = message;
         } else {
             // We received a marker from someone else. Search the respective message and mark it.
-- 
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