1 files changed, 31 insertions, 1 deletions
diff --git a/ui/routes/(app)/+layout.svelte b/ui/routes/(app)/+layout.svelte
index ad8227e..81324fd 100644
--- a/ui/routes/(app)/+layout.svelte
+++ b/ui/routes/(app)/+layout.svelte
@@ -19,6 +19,35 @@
   let loading = $state(true);
   let channel = $derived($page.params.channel);
 
+  let rawChannels;
+  channelsList.subscribe((val) => {
+    rawChannels = val.channels;
+  });
+  let rawMessages;
+  messages.subscribe((val) => {
+    rawMessages = val;
+  });
+
+  let enrichedChannels = $derived.by(() => {
+    const channels = rawChannels;
+    const messages = rawMessages;
+    const enrichedChannels = [];
+    if (channels && messages) {
+      for (let ch of channels) {
+        let runs = messages.inChannel(ch.id);
+        let lastRun = runs?.slice(-1)[0];
+        let lastMessage = lastRun?.messages.slice(-1)[0];
+        let lastMessageAt = lastMessage?.at;
+        let hasUnreads = lastMessageAt > ch.lastReadAt;
+        enrichedChannels.push({
+          ...ch,
+          hasUnreads,
+        });
+      }
+    }
+    return enrichedChannels;
+  });
+
   function onBooted(boot) {
     currentUser.set({
       id: boot.login.id,
@@ -78,6 +107,7 @@
 </script>
 
 <svelte:head>
+  <!-- TODO: unread count? -->
   <title>pilcrow</title>
 </svelte:head>
 
@@ -87,7 +117,7 @@
   <div id="interface" class="p-2">
     <nav id="sidebar" data-expanded={pageContext.showMenu}>
       <div class="channel-list">
-        <ChannelList active={channel} channels={$channelsList.channels} />
+        <ChannelList active={channel} channels={enrichedChannels} />
       </div>
       <div class="create-channel">
         <CreateChannelForm />