feat: chat history incognito mode

src/lib/components/chat/SettingsModal.svelte

@@ -238,6 +238,11 @@
 
 	const toggleSaveChatHistory = async () => {
 		saveChatHistory = !saveChatHistory;
+		console.log(saveChatHistory);
+
+		if (saveChatHistory === false) {
+			await goto('/');
+		}
 		saveSettings({ saveChatHistory: saveChatHistory });
 	};
 

src/lib/components/layout/Sidebar.svelte

@@ -6,7 +6,7 @@
 
 	import { goto, invalidateAll } from '$app/navigation';
 	import { page } from '$app/stores';
-	import { user, chats, showSettings, chatId } from '$lib/stores';
+	import { user, chats, settings, showSettings, chatId } from '$lib/stores';
 	import { onMount } from 'svelte';
 	import { deleteChatById, getChatList, updateChatById } from '$lib/apis/chats';
 
@@ -49,6 +49,12 @@
 		await deleteChatById(localStorage.token, id);
 		await chats.set(await getChatList(localStorage.token));
 	};
+
+	const saveSettings = async (updated) => {
+		await settings.set({ ...$settings, ...updated });
+		localStorage.setItem('settings', JSON.stringify($settings));
+		location.href = '/';
+	};
 </script>
 
 <div
@@ -159,6 +165,48 @@
 			</div>
 		{/if}
 
+		<div class="relative flex flex-col flex-1 overflow-y-auto">
+			{#if !($settings.saveChatHistory ?? true)}
+				<div class="absolute z-40 w-full h-full bg-black/90 flex justify-center">
+					<div class=" text-left px-5 py-2">
+						<div class=" font-medium">Chat History is off for this browser.</div>
+						<div class="text-xs mt-2">
+							When history is turned off, new chats on this browser won't appear in your history on
+							any of your devices. <span class=" font-semibold"
+								>This setting does not sync across browsers or devices.</span
+							>
+						</div>
+
+						<div class="mt-3">
+							<button
+								class="flex justify-center items-center space-x-1.5 px-3 py-2.5 rounded-lg text-xs bg-gray-200 hover:bg-gray-300 transition text-gray-800 font-medium w-full"
+								type="button"
+								on:click={() => {
+									saveSettings({
+										saveChatHistory: true
+									});
+								}}
+							>
+								<svg
+									xmlns="http://www.w3.org/2000/svg"
+									viewBox="0 0 16 16"
+									fill="currentColor"
+									class="w-3 h-3"
+								>
+									<path
+										fill-rule="evenodd"
+										d="M8 1a.75.75 0 0 1 .75.75v6.5a.75.75 0 0 1-1.5 0v-6.5A.75.75 0 0 1 8 1ZM4.11 3.05a.75.75 0 0 1 0 1.06 5.5 5.5 0 1 0 7.78 0 .75.75 0 0 1 1.06-1.06 7 7 0 1 1-9.9 0 .75.75 0 0 1 1.06 0Z"
+										clip-rule="evenodd"
+									/>
+								</svg>
+
+								<div>Enable Chat History</div>
+							</button>
+						</div>
+					</div>
+				</div>
+			{/if}
+
 			<div class="px-2.5 mt-1 mb-2 flex justify-center space-x-2">
 				<div class="flex w-full" id="chat-search">
 					<div class="self-center pl-3 py-2 rounded-l bg-gray-950">
@@ -407,6 +455,7 @@
 					</div>
 				{/each}
 			</div>
+		</div>
 
 		<div class="px-2.5">
 			<hr class=" border-gray-900 mb-1 w-full" />

src/routes/(app)/+page.svelte

@@ -280,12 +280,14 @@
 			}
 
 			if ($chatId == _chatId) {
+				if ($settings.saveChatHistory ?? true) {
 					chat = await updateChatById(localStorage.token, _chatId, {
 						messages: messages,
 						history: history
 					});
 					await chats.set(await getChatList(localStorage.token));
 				}
+			}
 		} else {
 			if (res !== null) {
 				const error = await res.json();
@@ -444,12 +446,14 @@
 			}
 
 			if ($chatId == _chatId) {
+				if ($settings.saveChatHistory ?? true) {
 					chat = await updateChatById(localStorage.token, _chatId, {
 						messages: messages,
 						history: history
 					});
 					await chats.set(await getChatList(localStorage.token));
 				}
+			}
 		} else {
 			if (res !== null) {
 				const error = await res.json();
@@ -527,6 +531,7 @@
 
 			// Create new chat if only one message in messages
 			if (messages.length == 1) {
+				if ($settings.saveChatHistory ?? true) {
 					chat = await createNewChat(localStorage.token, {
 						id: $chatId,
 						title: 'New Chat',
@@ -541,6 +546,9 @@
 					});
 					await chats.set(await getChatList(localStorage.token));
 					await chatId.set(chat.id);
+				} else {
+					await chatId.set('local');
+				}
 				await tick();
 			}
 
@@ -592,8 +600,10 @@
 			title = _title;
 		}
 
+		if ($settings.saveChatHistory ?? true) {
 			chat = await updateChatById(localStorage.token, _chatId, { title: _title });
 			await chats.set(await getChatList(localStorage.token));
+		}
 	};
 </script>
 

src/routes/(app)/c/[id]/+page.svelte

@@ -609,6 +609,12 @@
 		chat = await updateChatById(localStorage.token, _chatId, { title: _title });
 		await chats.set(await getChatList(localStorage.token));
 	};
+
+	onMount(async () => {
+		if (!($settings.saveChatHistory ?? true)) {
+			await goto('/');
+		}
+	});
 </script>
 
 <svelte:window