trigger & grouping

src/app.css

@@ -15,6 +15,7 @@
 	--popover: oklch(1 0 0);
 	--popover-foreground: oklch(0.3257 0.1161 325.0372);
 	--primary: oklch(0.5316 0.1409 355.1999);
+	--heading: oklch(0.5797 0.1194 237.7893);
 	--primary-foreground: oklch(1 0 0);
 	--secondary: oklch(0.8696 0.0675 334.8991);
 	--secondary-foreground: oklch(0.4448 0.1341 324.7991);
@@ -62,6 +63,7 @@
 	--popover: oklch(0.1548 0.0132 338.9015);
 	--popover-foreground: oklch(0.9647 0.0091 341.8035);
 	--primary: oklch(0.5797 0.1194 237.7893);
+	--heading: oklch(0.85 0.1194 237.7893);
 	--primary-foreground: oklch(1 0 0);
 	--secondary: oklch(0.3137 0.0306 310.061);
 	--secondary-foreground: oklch(0.8483 0.0382 307.9613);
@@ -108,6 +110,7 @@
 	--color-popover-foreground: var(--popover-foreground);
 	--color-primary: var(--primary);
 	--color-primary-foreground: var(--primary-foreground);
+	--color-heading: var(--heading);
 	--color-secondary: var(--secondary);
 	--color-secondary-foreground: var(--secondary-foreground);
 	--color-muted: var(--muted);

src/lib/backend/convex/chat.ts

@@ -1,8 +1,9 @@
 import { v } from 'convex/values';
 import { Provider } from '../../types';
 import { internal } from './_generated/api';
-import { mutation, query } from './_generated/server';
+import { query } from './_generated/server';
 import { providerValidator } from './schema';
+import { mutation } from './functions';
 
 export const all = query({
 	args: {

src/lib/backend/convex/conversations.ts

@@ -1,9 +1,10 @@
 import { v } from 'convex/values';
 import { api } from './_generated/api';
-import { mutation, query } from './_generated/server';
+import { query } from './_generated/server';
 import { type Id } from './_generated/dataModel';
 import { type SessionObj } from './betterAuth';
 import { messageRoleValidator } from './schema';
+import { mutation } from './functions';
 
 export const get = query({
 	args: {
@@ -24,7 +25,12 @@ export const get = query({
 			.withIndex('by_user', (q) => q.eq('user_id', s.userId))
 			.collect();
 
-		return conversations;
+		return conversations.sort((a, b) => {
+			const aTime = a.updated_at ?? 0;
+			const bTime = b.updated_at ?? 0;
+
+			return bTime - aTime;
+		});
 	},
 });
 
@@ -45,6 +51,7 @@ export const create = mutation({
 			title: 'Untitled (for now)',
 			// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Id type is janking out
 			user_id: session.userId as any,
+			updated_at: Date.now(),
 		});
 
 		return res;
@@ -73,6 +80,7 @@ export const createAndAddMessage = mutation({
 			title: 'Untitled (for now)',
 			// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Id type is janking out
 			user_id: session.userId as any,
+			updated_at: Date.now(),
 		});
 
 		const messageId = await ctx.runMutation(api.messages.create, {

src/lib/backend/convex/functions.ts

@@ -7,7 +7,7 @@ import {
 
 import { customCtx, customMutation } from 'convex-helpers/server/customFunctions';
 import { Triggers } from 'convex-helpers/server/triggers';
-import { DataModel } from './_generated/dataModel';
+import { type Id, type DataModel } from './_generated/dataModel';
 
 const triggers = new Triggers<DataModel>();
 
@@ -24,6 +24,20 @@ triggers.register('conversations', async (ctx, change) => {
 	}
 });
 
+// Update conversation updated_at when a message is created/updated
+triggers.register('messages', async (ctx, change) => {
+	if (change.operation === 'insert' || change.operation === 'update') {
+		const conversationId = change.newDoc.conversation_id;
+		const conversation = await ctx.db.get(conversationId as Id<'conversations'>);
+
+		if (!conversation) return;
+
+		await ctx.db.patch(conversationId as Id<'conversations'>, {
+			updated_at: Date.now(),
+		});
+	}
+});
+
 // TODO: Cascade delete rules when a user is deleted
 
 // create wrappers that replace the built-in `mutation` and `internalMutation`

src/lib/backend/convex/messages.ts

@@ -1,8 +1,9 @@
 import { v } from 'convex/values';
-import { mutation, query } from './_generated/server';
 import { api } from './_generated/api';
-import { messageRoleValidator, providerValidator } from './schema';
 import { type Id } from './_generated/dataModel';
+import { query } from './_generated/server';
+import { messageRoleValidator, providerValidator } from './schema';
+import { mutation } from './functions';
 
 export const getAllFromConversation = query({
 	args: {

src/lib/backend/convex/schema.ts

@@ -44,6 +44,7 @@ export default defineSchema({
 	conversations: defineTable({
 		user_id: v.string(),
 		title: v.string(),
+		updated_at: v.optional(v.number()),
 	}).index('by_user', ['user_id']),
 	messages: defineTable({
 		conversation_id: v.string(),

src/lib/backend/convex/user_enabled_models.ts

@@ -1,4 +1,5 @@
-import { query, mutation } from './_generated/server';
+import { query } from './_generated/server';
+import { mutation } from './functions';
 import { v } from 'convex/values';
 import { providerValidator } from './schema';
 import * as array from '../../utils/array';

src/lib/backend/convex/user_keys.ts

@@ -1,7 +1,8 @@
 import { v } from 'convex/values';
 import { Provider } from '../../types';
 import { api, internal } from './_generated/api';
-import { mutation, query } from './_generated/server';
+import { query } from './_generated/server';
+import { mutation } from './functions';
 import { providerValidator } from './schema';
 import { type SessionObj } from './betterAuth';
 

src/lib/backend/convex/user_rules.ts

@@ -1,5 +1,6 @@
 import { v } from 'convex/values';
-import { mutation, query } from './_generated/server';
+import { query } from './_generated/server';
+import { mutation } from './functions';
 import { internal } from './_generated/api';
 import { ruleAttachValidator } from './schema';
 import { type Doc } from './_generated/dataModel';

src/routes/chat/+layout.svelte

@@ -16,6 +16,7 @@
 	import { goto } from '$app/navigation';
 	import { useCachedQuery } from '$lib/cache/cached-query.svelte.js';
 	import { api } from '$lib/backend/convex/_generated/api.js';
+	import { type Doc } from '$lib/backend/convex/_generated/dataModel.js';
 	import { TextareaAutosize } from '$lib/spells/textarea-autosize.svelte.js';
 	import Tooltip from '$lib/components/ui/tooltip.svelte';
 
@@ -51,6 +52,49 @@
 	});
 
 	const _autosize = new TextareaAutosize();
+
+	function groupConversationsByTime(conversations: Doc<'conversations'>[]) {
+		const now = Date.now();
+		const oneDay = 24 * 60 * 60 * 1000;
+		const sevenDays = 7 * oneDay;
+		const thirtyDays = 30 * oneDay;
+
+		const groups = {
+			today: [] as Doc<'conversations'>[],
+			yesterday: [] as Doc<'conversations'>[],
+			lastWeek: [] as Doc<'conversations'>[],
+			lastMonth: [] as Doc<'conversations'>[],
+			older: [] as Doc<'conversations'>[],
+		};
+
+		conversations.forEach((conversation) => {
+			const updatedAt = conversation.updated_at ?? 0;
+			const timeDiff = now - updatedAt;
+
+			if (timeDiff < oneDay) {
+				groups.today.push(conversation);
+			} else if (timeDiff < 2 * oneDay) {
+				groups.yesterday.push(conversation);
+			} else if (timeDiff < sevenDays) {
+				groups.lastWeek.push(conversation);
+			} else if (timeDiff < thirtyDays) {
+				groups.lastMonth.push(conversation);
+			} else {
+				groups.older.push(conversation);
+			}
+		});
+
+		return groups;
+	}
+
+	const groupedConversations = $derived(groupConversationsByTime(conversationsQuery.data ?? []));
+	const templateConversations = $derived([
+		{ key: 'today', label: 'Today', conversations: groupedConversations.today },
+		{ key: 'yesterday', label: 'Yesterday', conversations: groupedConversations.yesterday },
+		{ key: 'lastWeek', label: 'Last 7 days', conversations: groupedConversations.lastWeek },
+		{ key: 'lastMonth', label: 'Last 30 days', conversations: groupedConversations.lastMonth },
+		{ key: 'older', label: 'Older', conversations: groupedConversations.older },
+	]);
 </script>
 
 <svelte:head>
@@ -71,17 +115,30 @@
 				New Chat
 			</a>
 		</div>
+		<div class="relative flex flex-1 flex-col">
+			<div
+				class="from-sidebar pointer-events-none absolute top-0 right-0 left-0 z-10 h-4 bg-gradient-to-b to-transparent"
+			></div>
 			<div class="flex flex-1 flex-col overflow-y-auto py-2">
-			{#each conversationsQuery.data ?? [] as conversation (conversation._id)}
-				<a
-					href={`/chat/${conversation._id}`}
-					class="group relative overflow-clip py-0.5 pr-2.5 text-left text-sm"
+				{#each templateConversations as group, index (group.key)}
+					{#if group.conversations.length > 0}
+						<div class="px-2 py-1" class:mt-2={index > 0}>
+							<h3 class="text-heading text-xs font-medium">{group.label}</h3>
+						</div>
+						{#each group.conversations as conversation (conversation._id)}
+							{@const isActive = page.params.id === conversation._id}
+							<a href={`/chat/${conversation._id}`} class="group py-0.5 pr-2.5 text-left text-sm">
+								<div class="relative overflow-clip">
+									<p
+										class={[
+											' rounded-lg py-2 pl-3',
+											isActive ? 'bg-sidebar-accent' : 'group-hover:bg-sidebar-accent ',
+										]}
 									>
-					<p class="group-hover:bg-sidebar-accent rounded-md py-1.5 pl-3">
-						{conversation.title}
+										<span>{conversation.title}</span>
 									</p>
 									<div
-						class=" to-sidebar-accent pointer-events-none absolute inset-y-0 right-0 flex translate-x-full items-center gap-2 rounded-r-lg bg-gradient-to-r from-transparent pr-2 transition group-hover:pointer-events-auto group-hover:translate-0"
+										class=" to-sidebar-accent pointer-events-none absolute inset-y-0.5 right-0 flex translate-x-full items-center gap-2 rounded-r-lg bg-gradient-to-r from-transparent pr-2 transition group-hover:pointer-events-auto group-hover:translate-0"
 									>
 										<Tooltip>
 											{#snippet trigger(tooltip)}
@@ -100,8 +157,15 @@
 											Delete thread
 										</Tooltip>
 									</div>
+								</div>
 							</a>
 						{/each}
+					{/if}
+				{/each}
+			</div>
+			<div
+				class="from-sidebar pointer-events-none absolute right-0 bottom-0 left-0 z-10 h-4 bg-gradient-to-t to-transparent"
+			></div>
 		</div>
 		<div class="py-2">
 			{#if data.session !== null}