context-efficient-ai/layouts/LayoutDefault.tsx

import "@mantine/core/styles.css";
import { navigate } from "vike/client/router";
import {
  AppShell,
  Burger,
  Group,
  Image,
  MantineProvider,
  NavLink,
} from "@mantine/core";
import {
  IconHome2,
  IconChevronRight,
  IconActivity,
  IconTrash,
  IconCircle,
  IconCircleFilled,
  IconTrashFilled,
  IconPlus,
} from "@tabler/icons-react";
import { useDisclosure } from "@mantine/hooks";
import theme from "./theme.js";
import logoUrl from "../assets/logo.svg";
import { useStore } from "../state.js";
import { useEffect } from "react";
import { trpc } from "../trpc/client.js";
import { usePageContext } from "vike-react/usePageContext";
import "./hover.css";

export default function LayoutDefault({
  children,
}: { children: React.ReactNode }) {
  const pageContext = usePageContext();
  const { urlPathname } = pageContext;
  const [opened, { toggle }] = useDisclosure();
  const conversations = useStore((state) => state.conversations);
  const setConversations = useStore((state) => state.setConversations);
  const addConversation = useStore((state) => state.addConversation);
  const removeConversation = useStore((state) => state.removeConversation);
  const conversationId = useStore((state) => state.selectedConversationId);

  useEffect(() => {
    trpc.chat.conversations.fetchAll.query().then((res) => {
      setConversations(res);
    });
  }, [setConversations]);

  // useEffect(() => {
  //   if (isConversationListExpanded) {
  //     trpc.chat.listConversations.query().then((res) => {
  //       setConversations(res);
  //     });
  //   }
  // }, [isConversationListExpanded]);

  async function handleDeleteConversation(conversationId: string) {
    removeConversation(conversationId);
    await trpc.chat.conversations.deleteOne.mutate({ id: conversationId });
    const res = await trpc.chat.conversations.start.mutate();
    if (!res?.id) return;
    addConversation(res);
    await navigate(`/chat/${res.id}`);
  }

  return (
    <MantineProvider theme={theme}>
      <AppShell
        header={{ height: 60 }}
        navbar={{
          width: 300,
          breakpoint: "sm",
          collapsed: { mobile: !opened },
        }}
        padding="lg"
      >
        <AppShell.Header>
          <Group h="100%" px="md">
            <Burger
              opened={opened}
              onClick={toggle}
              hiddenFrom="sm"
              size="sm"
            />
            <a href="/">
              {" "}
              <Image h={50} fit="contain" src={logoUrl} />{" "}
            </a>
          </Group>
        </AppShell.Header>
        <AppShell.Navbar p="md">
          <NavLink href="/" label="Welcome" active={urlPathname === "/"} />
          <NavLink href="/todo" label="Todo" active={urlPathname === "/todo"} />
          <NavLink
            href="/star-wars"
            label="Data Fetching"
            active={urlPathname.startsWith("/star-wars")}
          />
          <NavLink
            key="chat-new"
            href="#required-for-focus-management"
            label={
              <Group justify="space-between">
                <span>Chats</span>
                <IconPlus
                  size={16}
                  stroke={1.5}
                  className="border-on-hover"
                  onClick={(e) => {
                    e.preventDefault();
                    e.stopPropagation();
                    trpc.chat.conversations.start.mutate().then((res) => {
                      if (!res?.id) return;
                      addConversation(res);
                      navigate(`/chat/${res.id}`);
                    });
                  }}
                />
              </Group>
            }
            leftSection={<IconActivity size={16} stroke={1.5} />}
            rightSection={
              <IconChevronRight
                size={12}
                stroke={1.5}
                className="mantine-rotate-rtl"
              />
            }
            variant="subtle"
            active={urlPathname.startsWith("/chat")}
            defaultOpened={true}
          >
            {conversations.map((conversation) => (
              <NavLink
                key={conversation.id}
                href={`/chat/${conversation.id}`}
                label={conversation.title}
                className="hover-container"
                leftSection={
                  <>
                    <IconCircle
                      size={16}
                      stroke={1.5}
                      className="show-by-default"
                    />
                    <IconCircleFilled
                      size={16}
                      stroke={1.5}
                      className="show-on-hover"
                    />
                  </>
                }
                rightSection={
                  <>
                    <IconTrash
                      size={16}
                      stroke={1.5}
                      onClick={(e) => {
                        e.stopPropagation();
                        e.preventDefault();
                        handleDeleteConversation(conversation.id);
                      }}
                      className="show-by-default"
                    />
                    <IconTrashFilled
                      size={16}
                      stroke={1.5}
                      onClick={(e) => {
                        e.stopPropagation();
                        e.preventDefault();
                        handleDeleteConversation(conversation.id);
                      }}
                      className="show-on-hover border-on-hover"
                    />
                  </>
                }
                variant="subtle"
                active={conversation.id === conversationId}
              />
            ))}
          </NavLink>
        </AppShell.Navbar>
        <AppShell.Main> {children} </AppShell.Main>
      </AppShell>
    </MantineProvider>
  );
}