feat: notifications (#1947)

* feat: notifications
* feat: watchers

* improvements

* handle page move for watchers

* make watchers non-blocking

* more

apps/client/src/features/notification/components/notification-item.tsx

@@ -0,0 +1,148 @@
+import {
+  ActionIcon,
+  Group,
+  Text,
+  Tooltip,
+  UnstyledButton,
+} from "@mantine/core";
+import {
+  IconCheck,
+  IconFileDescription,
+  IconPointFilled,
+} from "@tabler/icons-react";
+import { CustomAvatar } from "@/components/ui/custom-avatar";
+import { INotification } from "../types/notification.types";
+import { useTranslation } from "react-i18next";
+import { useNavigate } from "react-router-dom";
+import { useState } from "react";
+import { useMarkReadMutation } from "../queries/notification-query";
+import { buildPageUrl } from "@/features/page/page.utils";
+import { formatRelativeTime } from "../notification.utils";
+import classes from "../notification.module.css";
+
+type NotificationItemProps = {
+  notification: INotification;
+  onNavigate: () => void;
+};
+
+export function NotificationItem({
+  notification,
+  onNavigate,
+}: NotificationItemProps) {
+  const { t } = useTranslation();
+  const navigate = useNavigate();
+  const markRead = useMarkReadMutation();
+  const [hovered, setHovered] = useState(false);
+
+  const isUnread = !notification.readAt;
+
+  const getNotificationMessage = (): string => {
+    switch (notification.type) {
+      case "comment.user_mention":
+        return t("mentioned you in a comment");
+      case "comment.created":
+        return t("commented on a page");
+      case "comment.resolved":
+        return t("resolved a comment");
+      case "page.user_mention":
+        return t("mentioned you on a page");
+      default:
+        return "";
+    }
+  };
+
+  const handleClick = () => {
+    if (notification.page && notification.space) {
+      if (isUnread) {
+        markRead.mutate([notification.id]);
+      }
+      navigate(
+        buildPageUrl(
+          notification.space.slug,
+          notification.page.slugId,
+          notification.page.title,
+        ),
+      );
+      onNavigate();
+    }
+  };
+
+  const handleMarkRead = (e: React.MouseEvent) => {
+    e.stopPropagation();
+    if (isUnread) {
+      markRead.mutate([notification.id]);
+    }
+  };
+
+  return (
+    <UnstyledButton
+      onClick={handleClick}
+      onMouseEnter={() => setHovered(true)}
+      onMouseLeave={() => setHovered(false)}
+      w="100%"
+      className={classes.notificationItem}
+    >
+      <Group wrap="nowrap" align="flex-start" gap="sm">
+        <CustomAvatar
+          avatarUrl={notification.actor?.avatarUrl}
+          name={notification.actor?.name || "?"}
+          size="sm"
+        />
+
+        <div style={{ flex: 1, minWidth: 0 }}>
+          <Text size="sm" lineClamp={2}>
+            <Text span fw={600}>
+              {notification.actor?.name}
+            </Text>{" "}
+            {getNotificationMessage()}
+          </Text>
+
+          {notification.page && (
+            <Group gap={4} mt={2} wrap="nowrap">
+              {notification.page.icon ? (
+                <Text size="xs" style={{ flexShrink: 0 }}>
+                  {notification.page.icon}
+                </Text>
+              ) : (
+                <IconFileDescription
+                  size={14}
+                  stroke={1.5}
+                  style={{ flexShrink: 0, color: "var(--mantine-color-dimmed)" }}
+                />
+              )}
+              <Text size="xs" c="dimmed" lineClamp={1}>
+                {notification.page.title || t("Untitled")}
+              </Text>
+            </Group>
+          )}
+        </div>
+
+        <Group gap={4} wrap="nowrap" align="center" style={{ flexShrink: 0 }}>
+          {hovered && isUnread ? (
+            <Tooltip label={t("Mark as read")} withArrow>
+              <ActionIcon
+                variant="subtle"
+                size="sm"
+                onClick={handleMarkRead}
+              >
+                <IconCheck size={14} />
+              </ActionIcon>
+            </Tooltip>
+          ) : (
+            <Text size="xs" c="dimmed" style={{ whiteSpace: "nowrap" }}>
+              {formatRelativeTime(notification.createdAt)}
+            </Text>
+          )}
+
+          {isUnread && (
+            <IconPointFilled
+              size={12}
+              color="var(--mantine-color-blue-filled)"
+              style={{ flexShrink: 0 }}
+            />
+          )}
+        </Group>
+      </Group>
+    </UnstyledButton>
+  );
+}

apps/client/src/features/notification/components/notification-list.tsx

@@ -0,0 +1,115 @@
+import { Center, Divider, Loader, Stack, Text } from "@mantine/core";
+import { IconBellOff } from "@tabler/icons-react";
+import { useTranslation } from "react-i18next";
+import { useEffect, useRef } from "react";
+import { NotificationItem } from "./notification-item";
+import { INotification, NotificationFilter } from "../types/notification.types";
+import { groupNotificationsByTime } from "../notification.utils";
+import { useNotificationsQuery } from "../queries/notification-query";
+import classes from "../notification.module.css";
+
+type NotificationListProps = {
+  filter: NotificationFilter;
+  onNavigate: () => void;
+};
+
+export function NotificationList({
+  filter,
+  onNavigate,
+}: NotificationListProps) {
+  const { t } = useTranslation();
+  const {
+    data,
+    isLoading,
+    hasNextPage,
+    fetchNextPage,
+    isFetchingNextPage,
+  } = useNotificationsQuery();
+
+  const sentinelRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    const sentinel = sentinelRef.current;
+    if (!sentinel) return;
+
+    const observer = new IntersectionObserver(
+      (entries) => {
+        if (entries[0].isIntersecting && hasNextPage && !isFetchingNextPage) {
+          fetchNextPage();
+        }
+      },
+      { threshold: 0.1 },
+    );
+
+    observer.observe(sentinel);
+    return () => observer.disconnect();
+  }, [hasNextPage, isFetchingNextPage, fetchNextPage]);
+
+  if (isLoading) {
+    return (
+      <Center py="xl">
+        <Loader size="sm" />
+      </Center>
+    );
+  }
+
+  const allNotifications =
+    data?.pages.flatMap((page) => page.items) ?? [];
+
+  const filtered =
+    filter === "unread"
+      ? allNotifications.filter((n) => !n.readAt)
+      : allNotifications;
+
+  if (filtered.length === 0) {
+    return (
+      <Center py="xl">
+        <Stack align="center" gap="xs">
+          <IconBellOff size={32} stroke={1.5} color="var(--mantine-color-dimmed)" />
+          <Text size="sm" c="dimmed">
+            {filter === "unread"
+              ? t("No unread notifications")
+              : t("No notifications")}
+          </Text>
+        </Stack>
+      </Center>
+    );
+  }
+
+  const timeGroupLabels = {
+    today: t("Today"),
+    yesterday: t("Yesterday"),
+    this_week: t("This week"),
+    older: t("Older"),
+  };
+
+  const groups = groupNotificationsByTime(filtered, timeGroupLabels);
+
+  return (
+    <Stack gap={0}>
+      {groups.map((group, groupIndex) => (
+        <div key={group.key}>
+          {groupIndex > 0 && <Divider className={classes.divider} />}
+          <Text size="xs" fw={600} c="dimmed" px="md" pt="sm" pb={4}>
+            {group.label}
+          </Text>
+          {group.notifications.map((notification: INotification) => (
+            <NotificationItem
+              key={notification.id}
+              notification={notification}
+              onNavigate={onNavigate}
+            />
+          ))}
+        </div>
+      ))}
+
+      <div ref={sentinelRef} style={{ height: 1 }} />
+
+      {isFetchingNextPage && (
+        <Center py="xs">
+          <Loader size="xs" />
+        </Center>
+      )}
+    </Stack>
+  );
+}

apps/client/src/features/notification/components/notification-popover.tsx

@@ -0,0 +1,142 @@
+import { useState } from "react";
+import {
+  ActionIcon,
+  Group,
+  Indicator,
+  Menu,
+  Popover,
+  ScrollArea,
+  Text,
+  Tooltip,
+} from "@mantine/core";
+import {
+  IconBell,
+  IconCheck,
+  IconChecks,
+  IconDots,
+  IconFilter,
+} from "@tabler/icons-react";
+import { useTranslation } from "react-i18next";
+import { NotificationList } from "./notification-list";
+import { NotificationFilter } from "../types/notification.types";
+import {
+  useMarkAllReadMutation,
+  useUnreadCountQuery,
+} from "../queries/notification-query";
+
+export function NotificationPopover() {
+  const { t } = useTranslation();
+  const [opened, setOpened] = useState(false);
+  const [filter, setFilter] = useState<NotificationFilter>("all");
+
+  const { data: unreadData } = useUnreadCountQuery();
+  const markAllRead = useMarkAllReadMutation();
+
+  const unreadCount = unreadData?.count ?? 0;
+
+  const handleMarkAllRead = () => {
+    markAllRead.mutate();
+  };
+
+  return (
+    <Popover
+      position="bottom-end"
+      shadow="lg"
+      opened={opened}
+      onChange={setOpened}
+      withArrow
+    >
+      <Popover.Target>
+        <Tooltip label={t("Notifications")} withArrow>
+          <ActionIcon
+            variant="subtle"
+            color="dark"
+            size="sm"
+            onClick={() => setOpened((o) => !o)}
+          >
+            <Indicator
+              offset={5}
+              color="red"
+              withBorder
+              disabled={unreadCount === 0}
+            >
+              <IconBell size={20} />
+            </Indicator>
+          </ActionIcon>
+        </Tooltip>
+      </Popover.Target>
+
+      <Popover.Dropdown
+        p={0}
+        style={{ width: "min(420px, calc(100vw - 24px))" }}
+      >
+        <Group justify="space-between" px="md" py="sm">
+          <Text fw={600} size="sm">
+            {t("Notifications")}
+          </Text>
+          <Group gap={4}>
+            <Menu position="bottom-end" withArrow withinPortal={false}>
+              <Menu.Target>
+                <Tooltip label={t("Filter")} withArrow>
+                  <ActionIcon variant="subtle" color="dark" size="sm">
+                    <IconFilter size={16} />
+                  </ActionIcon>
+                </Tooltip>
+              </Menu.Target>
+              <Menu.Dropdown>
+                <Menu.Label>{t("Filter")}</Menu.Label>
+                <Menu.Item
+                  onClick={() => setFilter("all")}
+                  rightSection={
+                    filter === "all" ? <IconCheck size={14} /> : null
+                  }
+                >
+                  {t("All notifications")}
+                </Menu.Item>
+                <Menu.Item
+                  onClick={() => setFilter("unread")}
+                  rightSection={
+                    filter === "unread" ? <IconCheck size={14} /> : null
+                  }
+                >
+                  {t("Unread only")}
+                </Menu.Item>
+              </Menu.Dropdown>
+            </Menu>
+
+            <Menu position="bottom-end" withArrow withinPortal={false}>
+              <Menu.Target>
+                <Tooltip label={t("More options")} withArrow>
+                  <ActionIcon variant="subtle" color="dark" size="sm">
+                    <IconDots size={16} />
+                  </ActionIcon>
+                </Tooltip>
+              </Menu.Target>
+              <Menu.Dropdown>
+                <Menu.Item
+                  leftSection={<IconChecks size={16} />}
+                  onClick={handleMarkAllRead}
+                  disabled={unreadCount === 0}
+                >
+                  {t("Mark all as read")}
+                </Menu.Item>
+              </Menu.Dropdown>
+            </Menu>
+          </Group>
+        </Group>
+
+        <ScrollArea.Autosize
+          mah={500}
+          type="auto"
+          offsetScrollbars
+          scrollbarSize={6}
+        >
+          <NotificationList
+            filter={filter}
+            onNavigate={() => setOpened(false)}
+          />
+        </ScrollArea.Autosize>
+      </Popover.Dropdown>
+    </Popover>
+  );
+}