1 files changed, 26 insertions, 6 deletions
diff --git a/lib/lsg_web/live/chat_live.ex b/lib/lsg_web/live/chat_live.ex
index e7a44db..e84d880 100644
--- a/lib/lsg_web/live/chat_live.ex
+++ b/lib/lsg_web/live/chat_live.ex
@@ -23,7 +23,9 @@ defmodule LSGWeb.ChatLive do
       end)
 
       backlog = case LSG.IRC.BufferPlugin.select_buffer(connection.network, chan) do
-        {backlog, _} -> Enum.reverse(backlog)
+                  {backlog, _} ->
+                    {backlog, _} = Enum.reduce(backlog, {backlog, nil}, &reduce_contextual_event/2)
+                    Enum.reverse(backlog)
         _ -> []
       end
 
@@ -54,7 +56,7 @@ defmodule LSGWeb.ChatLive do
     if user = IRC.UserTrack.lookup(id) do
       socket = socket
       |> assign(:users, Map.put(socket.assigns.users, id, user))
-      |> assign(:backlog, socket.assigns.backlog ++ [event])
+      |> append_to_backlog(event)
       {:noreply, socket}
     else
       {:noreply, socket}
@@ -64,21 +66,21 @@ defmodule LSGWeb.ChatLive do
   def handle_info({:irc, :event, event = %{type: :nick, user_id: id, nick: nick}}, socket) do
     socket = socket
     |> assign(:users, update_in(socket.assigns.users, [id, :nick], nick))
-    |> assign(:backlog, socket.assigns.backlog ++ [event])
+    |> append_to_backlog(event)
     {:noreply, socket}
   end
 
   def handle_info({:irc, :event, event = %{type: :quit, user_id: id}}, socket) do
     socket = socket
     |> assign(:users, Map.delete(socket.assigns.users, id))
-    |> assign(:backlog, socket.assigns.backlog ++ [event])
+    |> append_to_backlog(event)
     {:noreply, socket}
   end
 
   def handle_info({:irc, :event, event = %{type: :part, user_id: id}}, socket) do
     socket = socket
     |> assign(:users, Map.delete(socket.assigns.users, id))
-    |> assign(:backlog, socket.assigns.backlog ++ [event])
+    |> append_to_backlog(event)
     {:noreply, socket}
   end
 
@@ -87,8 +89,9 @@ defmodule LSGWeb.ChatLive do
   end
 
   def handle_info({:irc, :text, message}, socket) do
+    IO.inspect({:live_message, message})
     socket = socket
-    |> assign(:backlog, socket.assigns.backlog ++ [message])
+    |> append_to_backlog(message)
     {:noreply, socket}
   end
 
@@ -97,4 +100,21 @@ defmodule LSGWeb.ChatLive do
     {:noreply, socket}
   end
 
+  defp append_to_backlog(socket, line) do
+    {add, _} = reduce_contextual_event(line, {[], List.last(socket.assigns.backlog)})
+    assign(socket, :backlog, socket.assigns.backlog ++ add)
+  end
+
+  defp reduce_contextual_event(line, {acc, nil}) do
+    {[line | acc], line}
+  end
+  defp reduce_contextual_event(line, {acc, last}) do
+    if NaiveDateTime.to_date(last.at) != NaiveDateTime.to_date(line.at) do
+      {[%{type: :day_changed, date: NaiveDateTime.to_date(line.at), at: nil}, line | acc], line}
+       else
+         {[line | acc], line}
+      end
+
+  end
+
 end