Ensure idempotency when generating audiocast

api/requirements.txt

@@ -1,37 +1,37 @@
-anthropic
-
-asyncio
-elevenlabs
 fastapi
+uvicorn
+gunicorn
+uvloop
 fastapi-utilities
-ffmpeg-python
 
 firebase-admin
 google-api-python-client
 google-auth
 google-cloud-storage
 google-generativeai
-gunicorn
+
+asyncio
 httpx
+redis[hiredis]
 
+anthropic
+elevenlabs
 openai
 
 pycairo
 pydantic
 pydub
+pypdf[crypto]
 python-dotenv
+ffmpeg-python
 python-multipart
 python-slugify
 
 ruff
 seewav
 setuptools
-uvicorn
-uvloop
-redis[hiredis]
 
-async-web-search
 
 lxml 
 beautifulsoup4 
-pypdf[crypto]
+async-web-search

api/src/main.py

@@ -190,3 +190,12 @@ async def save_uploaded_files_endpoint(files: list[UploadFile], sessionId: str =
     """
     result = await UploadedFiles(session_id=sessionId)._save_sources(files)
     return result
+
+
+@app.delete("/delete-session/{sessionId}")
+def delete_session_endpoint(sessionId: str):
+    """
+    Delete audiocast session
+    """
+    SessionManager._delete_session(sessionId)
+    return "Deleted"

api/src/utils/generate_audiocast.py

@@ -1,3 +1,5 @@
+import os
+
 from fastapi import BackgroundTasks, HTTPException
 
 from src.services.storage import StorageManager
@@ -36,6 +38,9 @@ def post_generate_audio(
         waveform_utils.run_all()
     except Exception as e:
         print(f"Error in generate_audiocast background_tasks: {str(e)}")
+    finally:
+        if os.path.exists(audio_path):
+            os.remove(audio_path)
 
 
 async def generate_audiocast(request: GenerateAudioCastRequest, background_tasks: BackgroundTasks):

api/src/utils/session_manager.py

@@ -146,3 +146,7 @@ def on_snapshot(doc_snapshot, _changes, _read_time):
                     callback(info)
 
         return doc_ref.on_snapshot(on_snapshot)
+
+    @staticmethod
+    def _delete_session(doc_id: str):
+        return DBManager()._delete_document(collections["audiora_sessions"], doc_id)

app/package.json

@@ -19,7 +19,6 @@
 		"test": "npm run test:integration && npm run test:unit"
 	},
 	"dependencies": {
-		"bits-ui": "^0.21.16",
 		"canvas-confetti": "^1.9.3",
 		"clsx": "^2.1.1",
 		"copy-to-clipboard": "^3.3.3",
@@ -55,6 +54,7 @@
 		"@types/ramda": "^0.30.1",
 		"@types/throttle-debounce": "^5.0.2",
 		"autoprefixer": "^10.4.20",
+		"bits-ui": "^0.21.16",
 		"eslint": "^9.0.0",
 		"eslint-config-prettier": "^9.1.0",
 		"eslint-plugin-svelte": "^2.36.0",

app/src/lib/components/ChatContainer.svelte

@@ -1,11 +1,17 @@
 <script>
 	import { getSessionContext } from '@/stores/sessionContext.svelte';
 	import ChatBoxContainer from './ChatBoxContainer.svelte';
+	import { isfinalResponse } from '@/utils/session.utils';
 
 	export let searchTerm = '';
 	export let disableTextInput = false;
-	const { sessionCompleted$, fetchingSource$, audioSource$ } = getSessionContext();
+
+	const { sessionCompleted$, fetchingSource$, audioSource$, session$ } = getSessionContext();
+
 	let navLoading = false;
+
+	$: chats = $session$?.chats || [];
+	$: hasFinalResponse = chats.some(isfinalResponse);
 </script>
 
 <div
@@ -18,7 +24,7 @@
 			<div class="h-24"></div>
 		</div>
 
-		{#if !$sessionCompleted$ && !$fetchingSource$ && !$audioSource$}
+		{#if !hasFinalResponse && !$sessionCompleted$ && !$fetchingSource$ && !$audioSource$}
 			<ChatBoxContainer
 				bind:searchTerm
 				loading={navLoading}

app/src/lib/components/ExampleCard.svelte

@@ -10,10 +10,10 @@
 
 	const { addChatItem, startSession } = getSessionContext();
 
-	function handleClick() {
+	async function handleClick() {
 		startSession(category);
 		addChatItem({ id: uuid(), content, role: 'user', loading: false });
-		goto(href);
+		return goto(href, { invalidateAll: true, replaceState: true });
 	}
 </script>
 

app/src/lib/components/ManageAudioSourceDrawer.svelte

@@ -77,8 +77,8 @@
 
 <Drawer.Root {snapPoints} bind:activeSnapPoint direction="bottom" dismissible shouldScaleBackground>
 	<Drawer.Trigger>
-		<Button variant="ghost" class="bg-gray-800 text-base py-6 w-full hover:bg-gray-700 text-white"
-			>Manage Audiocast Sources
+		<Button variant="ghost" class="bg-gray-800 text-base py-6 w-full hover:bg-gray-700 text-white">
+			Manage Sources
 		</Button>
 	</Drawer.Trigger>
 

app/src/lib/components/RenderExamples.svelte

@@ -29,7 +29,7 @@
 	</div>
 	<div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-4 pb-4">
 		{#each contentExamplesDict as [category, content]}
-			{@const href = `/chat/${sessionId}?category=${category}`}
+			{@const href = `/chat/${sessionId}?category=${category}&chat`}
 			<ExampleCard {content} {href} {category} />
 		{/each}
 	</div>

app/src/lib/components/RootNav.svelte

@@ -1,7 +1,7 @@
 <script lang="ts">
 	import Logo from './Logo.svelte';
 	import SearchSlideSheet from './SlideSheet.svelte';
-	import SearchSidebar from './Sidebar.svelte';
+	import Sidebar from './Sidebar.svelte';
 	import { Button } from './ui/button';
 	import { getAppContext } from '$lib/stores/appContext.svelte';
 	import { invalidateAll } from '$app/navigation';
@@ -22,7 +22,7 @@
 					<svelte-fragment>
 						{#if $openSettingsDrawer$}
 							{#key sessionId}
-								<SearchSidebar on:clickItem={() => ($openSettingsDrawer$ = false)} />
+								<Sidebar on:clickItem={() => ($openSettingsDrawer$ = false)} />
 							{/key}
 						{/if}
 					</svelte-fragment>

app/src/lib/components/Sidebar.svelte

@@ -1,58 +1,78 @@
-<script context="module">
+<script lang="ts" context="module">
+	import { SESSION_KEY } from '@/stores/sessionContext.svelte';
+
 	const ONE_DAY_MS = 24 * 60 * 60 * 1000;
 	const last24Hrs = Date.now() - ONE_DAY_MS;
 	const last7Days = Date.now() - 4 * ONE_DAY_MS;
+
+	export function getSessionItems() {
+		return Object.entries(localStorage)
+			.filter(([key]) => key.startsWith(SESSION_KEY))
+			.map(
+				([key, value]) =>
+					[key.replace(`${SESSION_KEY}_`, ''), JSON.parse(value) as Session] as const
+			)
+			.filter(([_, v]) => Boolean(v));
+	}
+
+	function getSidebarItems(sessionItems: (readonly [string, Session])[]) {
+		return sessionItems
+			.filter(([_, item]) => item.chats.length)
+			.map(([sessionId, session]) => ({
+				sessionId,
+				title: session.title || 'Untitled',
+				nonce: session.nonce,
+				category: session.category,
+				completed: session.completed
+			}))
+			.sort((a, b) => b.nonce - a.nonce);
+	}
 </script>
 
 <script lang="ts">
 	import { createEventDispatcher } from 'svelte';
-	import { browser } from '$app/environment';
-	import { type Session, SESSION_KEY, getSessionContext } from '../stores/sessionContext.svelte';
-	import SearchSidebarItem from './SidebarItem.svelte';
+	import { getSessionContext, type Session } from '../stores/sessionContext.svelte';
+	import SidebarItem from './SidebarItem.svelte';
 	import { getAppContext } from '../stores/appContext.svelte';
 	import HeadphoneOff from 'lucide-svelte/icons/headphone-off';
 	import cs from 'clsx';
 	import { page } from '$app/stores';
 	import NewAudiocastButton from './NewAudiocastButton.svelte';
+	import { goto } from '$app/navigation';
+	import { browser } from '$app/environment';
+	import { env } from '@env';
 
 	const dispatch = createEventDispatcher<{ clickItem: void }>();
-
 	const { openSettingsDrawer$ } = getAppContext();
-
-	$: ({ session$ } = getSessionContext());
+	const { session$, refreshSidebar$ } = getSessionContext();
 
 	$: sessionItems = browser || $session$ ? getSessionItems() : [];
+	$: sidebarItems = getSidebarItems(sessionItems);
 
-	$: sidebarItems = sessionItems
-		.filter(([_, item]) => item.chats.length)
-		.map(([sessionId, session]) => ({
-			sessionId,
-			title: session.title || 'Untitled',
-			nonce: session.nonce,
-			category: session.category,
-			completed: session.completed
-		}))
-		.sort((a, b) => b.nonce - a.nonce);
+	$: if ($refreshSidebar$) sidebarItems = getSidebarItems(getSessionItems());
 
 	$: inLast24Hrs = sidebarItems.filter((i) => i.nonce > last24Hrs);
 	$: inLast7Days = sidebarItems.filter((i) => i.nonce < last24Hrs && i.nonce > last7Days);
 	$: inLast30Days = sidebarItems.filter((i) => i.nonce < last24Hrs && i.nonce < last7Days);
 
-	function getSessionItems() {
-		return Object.entries(localStorage)
-			.filter(([key]) => key.startsWith(SESSION_KEY))
-			.map(
-				([key, value]) =>
-					[key.replace(`${SESSION_KEY}_`, ''), JSON.parse(value) as Session] as const
-			)
-			.filter(([_, v]) => Boolean(v));
-	}
-
 	function dispatchClickItem() {
 		dispatch('clickItem');
 	}
 
 	$: rootPath = $page.url.pathname === '/';
+
+	function deleteSession(sessionId: string) {
+		return async () => {
+			localStorage.removeItem(`${SESSION_KEY}_${sessionId}`);
+			sidebarItems = getSidebarItems(getSessionItems());
+
+			void fetch(`${env.API_BASE_URL}/delete-session/${sessionId}`, {
+				method: 'DELETE'
+			}).catch(() => void 0);
+
+			return goto('/', { invalidateAll: true, replaceState: true });
+		};
+	}
 </script>
 
 <div
@@ -63,7 +83,7 @@
 	style="transition: width 0.3s cubic-bezier(0.34, 1.47, 0.64, 1), padding 0.3s ease;"
 >
 	<nav
-		class={cs('flex w-full flex-col gap-x-2 lg:gap-x-0 lg:gap-y-1', {
+		class={cs('flex w-full flex-col gap-x-2 pt-2 lg:gap-x-0 lg:gap-y-1', {
 			'opacity-100': $openSettingsDrawer$,
 			'opacity-0': !$openSettingsDrawer$
 		})}
@@ -84,23 +104,35 @@
 		{/if}
 
 		<div class="flex w-full flex-col gap-y-1.5 pt-2" class:hidden={!inLast24Hrs.length}>
-			<div class="px-2 text-sm font-medium">Today</div>
-			{#each inLast24Hrs as item}
-				<SearchSidebarItem {item} on:click={dispatchClickItem} />
+			<div class="px-2 text-sm font-semibold">Today</div>
+			{#each inLast24Hrs as item (item.sessionId)}
+				<SidebarItem
+					{item}
+					on:click={dispatchClickItem}
+					on:deleteSession={deleteSession(item.sessionId)}
+				/>
 			{/each}
 		</div>
 
 		<div class="flex w-full flex-col gap-y-1.5 pt-6" class:hidden={!inLast7Days.length}>
-			<div class="px-2 text-sm font-medium">Last 7 days</div>
-			{#each inLast7Days as item}
-				<SearchSidebarItem {item} on:click={dispatchClickItem} />
+			<div class="px-2 text-sm font-semibold">Last 7 days</div>
+			{#each inLast7Days as item (item.sessionId)}
+				<SidebarItem
+					{item}
+					on:click={dispatchClickItem}
+					on:deleteSession={deleteSession(item.sessionId)}
+				/>
 			{/each}
 		</div>
 
 		<div class="flex w-full flex-col gap-y-1.5 pt-6" class:hidden={!inLast30Days.length}>
-			<div class="px-2 text-sm font-medium">Last month</div>
-			{#each inLast30Days as item}
-				<SearchSidebarItem {item} on:click={dispatchClickItem} />
+			<div class="px-2 text-sm font-semibold">Last month</div>
+			{#each inLast30Days as item (item.sessionId)}
+				<SidebarItem
+					{item}
+					on:click={dispatchClickItem}
+					on:deleteSession={deleteSession(item.sessionId)}
+				/>
 			{/each}
 		</div>
 		<div class="block h-20"></div>

app/src/lib/components/SidebarItem.svelte

@@ -1,6 +1,6 @@
 <script lang="ts" context="module">
 	import type { ContentCategory } from '@/utils/types';
-	export type SearchSidebarItem = {
+	export type SidebarItemModel = {
 		title: string;
 		nonce: number;
 		sessionId: string;
@@ -15,13 +15,11 @@
 	import { page } from '$app/stores';
 	import { Button } from './ui/button';
 	import { cn } from '@/utils/ui.utils';
+	import SidebarItemActions from './SidebarItemActions.svelte';
 
-	export let item: SearchSidebarItem;
+	export let item: SidebarItemModel;
 
-	const [send, receive] = crossfade({
-		duration: 250,
-		easing: cubicInOut
-	});
+	const [send, receive] = crossfade({ duration: 250, easing: cubicInOut });
 
 	$: href = item.completed
 		? `/audiocast/${item.sessionId}`
@@ -32,7 +30,7 @@
 <Button
 	{href}
 	variant="ghost"
-	class="relative no-underline group hover:no-underline justify-start py-6 flex items-center px-2 hover:bg-gray-700 bg-gray-900"
+	class="relative no-underline group justify-between hover:no-underline py-6 flex items-center px-2 hover:bg-gray-700 bg-gray-900"
 	data-sveltekit-noscroll
 	on:click
 >
@@ -52,7 +50,9 @@
 		{item.title}
 	</div>
 
-	<div class="text-[10px] px-2 hidden group-hover:block absolute bottom-0 right-0 text-sky-200">
+	<div class="text-[10px] px-2 hidden group-hover:block absolute bottom-0 left-0 text-sky-200">
 		{item.category}
 	</div>
+
+	<SidebarItemActions on:deleteSession />
 </Button>