From 97a75c0f84b5729c4cf9c4eafa79c6d487786677 Mon Sep 17 00:00:00 2001
From: zorex <109388690+notzorexlol@users.noreply.github.com>
Date: Wed, 3 Jun 2026 05:19:22 +0300
Subject: [PATCH] feat: add user activity chart on home page (#1092)

Co-authored-by: dicedtomato <git@diced.sh>

also adds settings to hide the recents, activity graph, and file type table
---
 src/components/pages/dashboard/index.tsx      | 228 +++++++++---------
 .../pages/dashboard/parts/ActivityChart.tsx   | 204 ++++++++++++++++
 .../pages/dashboard/parts/Recents.tsx         |  36 +++
 .../settings/parts/SettingsDashboard.tsx      |  20 ++
 src/lib/api/response.ts                       |   2 +
 src/lib/client/store/settings.ts              |   6 +
 src/server/routes/api/user/activity.ts        | 126 ++++++++++
 7 files changed, 514 insertions(+), 108 deletions(-)
 create mode 100644 src/components/pages/dashboard/parts/ActivityChart.tsx
 create mode 100644 src/components/pages/dashboard/parts/Recents.tsx
 create mode 100644 src/server/routes/api/user/activity.ts

diff --git a/src/components/pages/dashboard/index.tsx b/src/components/pages/dashboard/index.tsx
index 3b431307..ca144260 100644
--- a/src/components/pages/dashboard/index.tsx
+++ b/src/components/pages/dashboard/index.tsx
@@ -3,6 +3,7 @@ import Stat from '@/components/Stat';
 import type { Response } from '@/lib/api/response';
 import { bytes } from '@/lib/bytes';
 import useLogin from '@/lib/client/hooks/useLogin';
+import { useSettingsStore } from '@/lib/client/store/settings';
 import { isAdministrator } from '@/lib/role';
 import { Button, Group, Paper, ScrollArea, SimpleGrid, Skeleton, Table, Text, Title } from '@mantine/core';
 import {
@@ -17,11 +18,12 @@ import { lazy, Suspense } from 'react';
 import { Link } from 'react-router-dom';
 import useSWR from 'swr';
 
-const DashboardFile = lazy(() => import('@/components/file/DashboardFile'));
+const ActivityChart = lazy(() => import('./parts/ActivityChart'));
+const Recents = lazy(() => import('./parts/Recents'));
 
 export default function DashboardHome() {
   const { user } = useLogin();
-  const { data: recent, isLoading: recentLoading } = useSWR<Response['/api/user/recent']>('/api/user/recent');
+  const { homeShowActivity, homeShowRecents, homeShowTypes } = useSettingsStore((state) => state.settings);
   const { data: stats, isLoading: statsLoading } = useSWR<Response['/api/user/stats']>('/api/user/stats');
 
   const config = useConfig();
@@ -38,6 +40,32 @@ export default function DashboardHome() {
         </Text>
       </Skeleton>
 
+      {homeShowRecents && (
+        <Suspense
+          fallback={
+            <Paper radius='md' withBorder p='md' mt='lg'>
+              <Skeleton height={24} width={180} mb='xs' animate />
+              <Skeleton height={260} mt='md' animate />
+            </Paper>
+          }
+        >
+          <Group mt='md' mb='xs' style={{ alignItems: 'center' }}>
+            <Title order={2}>Recent files</Title>
+            <Button
+              variant='outline'
+              size='compact-xs'
+              component={Link}
+              to='/dashboard/files'
+              leftSection={<IconFiles size='1rem' />}
+            >
+              View all files
+            </Button>
+          </Group>
+
+          <Recents />
+        </Suspense>
+      )}
+
       {user?.quota && (user.quota.maxBytes || user.quota.maxFiles) ? (
         <Text size='sm' c='dimmed'>
           {user.quota.filesQuota === 'BY_BYTES' ? (
@@ -60,41 +88,9 @@ export default function DashboardHome() {
         </Text>
       ) : null}
 
-      <Group mt='md' mb='xs' style={{ alignItems: 'center' }}>
-        <Title order={2}>Recent files</Title>
-        <Button
-          variant='outline'
-          size='compact-xs'
-          component={Link}
-          to='/dashboard/files'
-          leftSection={<IconFiles size='1rem' />}
-        >
-          View all files
-        </Button>
-      </Group>
-
-      {recentLoading ? (
-        <SimpleGrid cols={{ base: 1, md: 2, lg: 3 }} spacing={{ base: 'sm', md: 'md' }}>
-          {[...Array(3)].map((_, i) => (
-            <Skeleton key={i} height={350} animate />
-          ))}
-        </SimpleGrid>
-      ) : recent?.length !== 0 ? (
-        <SimpleGrid cols={{ base: 1, md: 2, lg: 3 }} spacing={{ base: 'sm', md: 'md' }}>
-          {recent!.map((file, i) => (
-            <Suspense fallback={<Skeleton height={350} animate />} key={i}>
-              <DashboardFile file={file} />
-            </Suspense>
-          ))}
-        </SimpleGrid>
-      ) : (
-        <Text size='sm' c='dimmed'>
-          You have no recent files. The last three files you uploaded will appear here.
-        </Text>
-      )}
-
       <Group mt='md' style={{ alignItems: 'center' }}>
         <Title order={2}>Stats</Title>
+
         {(!config.features?.metrics?.adminOnly || isAdministrator(user?.role)) && (
           <Button
             variant='outline'
@@ -113,82 +109,98 @@ export default function DashboardHome() {
       </Text>
 
       {statsLoading ? (
-        <>
-          <SimpleGrid cols={{ base: 1, md: 2, lg: 4 }} spacing={{ base: 'sm', md: 'md' }}>
-            {[...Array(8)].map((_, i) => (
-              <Skeleton key={i} height={105} />
-            ))}
-          </SimpleGrid>
-          <Paper withBorder my='md'>
-            <ScrollArea.Autosize mah={400} type='auto'>
-              <Table highlightOnHover>
-                <Table.Thead>
-                  <Table.Tr>
-                    <Table.Th>File Type</Table.Th>
-                    <Table.Th>Count</Table.Th>
-                  </Table.Tr>
-                </Table.Thead>
-                <Table.Tbody>
-                  {[...Array(5)].map((_, i) => (
-                    <Table.Tr key={i}>
-                      <Table.Td>
-                        <Skeleton animate>
-                          <Text>...</Text>
-                        </Skeleton>
-                      </Table.Td>
-                      <Table.Td>
-                        <Skeleton animate>
-                          <Text>...</Text>
-                        </Skeleton>
-                      </Table.Td>
-                    </Table.Tr>
-                  ))}
-                </Table.Tbody>
-              </Table>
-            </ScrollArea.Autosize>
-          </Paper>
-        </>
+        <SimpleGrid cols={{ base: 1, md: 2, lg: 4 }} spacing={{ base: 'sm', md: 'md' }}>
+          {[...Array(8)].map((_, i) => (
+            <Skeleton key={i} height={105} />
+          ))}
+        </SimpleGrid>
       ) : (
-        <>
-          <SimpleGrid cols={{ base: 1, md: 2, lg: 4 }} spacing={{ base: 'sm', md: 'md' }}>
-            <Stat Icon={IconFiles} title='Files uploaded' value={stats!.filesUploaded} />
-            <Stat Icon={IconStarFilled} title='Favorite files' value={stats!.favoriteFiles} />
-            <Stat Icon={IconDeviceSdCard} title='Storage used' value={bytes(stats!.storageUsed)} />
-            <Stat Icon={IconDeviceSdCard} title='Average storage used' value={bytes(stats!.avgStorageUsed)} />
-            <Stat Icon={IconEyeFilled} title='File views' value={stats!.views} />
-            <Stat Icon={IconEyeFilled} title='Average file views' value={Math.round(stats!.avgViews)} />
+        <SimpleGrid cols={{ base: 1, md: 2, lg: 4 }} spacing={{ base: 'sm', md: 'md' }}>
+          <Stat Icon={IconFiles} title='Files uploaded' value={stats!.filesUploaded} />
+          <Stat Icon={IconStarFilled} title='Favorite files' value={stats!.favoriteFiles} />
+          <Stat Icon={IconDeviceSdCard} title='Storage used' value={bytes(stats!.storageUsed)} />
+          <Stat Icon={IconDeviceSdCard} title='Average storage used' value={bytes(stats!.avgStorageUsed)} />
+          <Stat Icon={IconEyeFilled} title='File views' value={stats!.views} />
+          <Stat Icon={IconEyeFilled} title='Average file views' value={Math.round(stats!.avgViews)} />
 
-            <Stat Icon={IconLink} title='Links created' value={stats!.urlsCreated} />
-            <Stat Icon={IconLink} title='Total link views' value={Math.round(stats!.urlViews)} />
-          </SimpleGrid>
+          <Stat Icon={IconLink} title='Links created' value={stats!.urlsCreated} />
+          <Stat Icon={IconLink} title='Total link views' value={Math.round(stats!.urlViews)} />
+        </SimpleGrid>
+      )}
 
-          {Object.keys(stats!.sortTypeCount).length !== 0 && (
-            <>
-              <Paper withBorder my='md'>
-                <ScrollArea.Autosize mah={400} type='auto'>
-                  <Table highlightOnHover>
-                    <Table.Thead>
-                      <Table.Tr>
-                        <Table.Th>File Type</Table.Th>
-                        <Table.Th>Count</Table.Th>
-                      </Table.Tr>
-                    </Table.Thead>
-                    <Table.Tbody>
-                      {Object.entries(stats!.sortTypeCount)
-                        .sort(([, a], [, b]) => b - a)
-                        .map(([type, count], i) => (
-                          <Table.Tr key={i}>
-                            <Table.Td>{type}</Table.Td>
-                            <Table.Td>{count}</Table.Td>
-                          </Table.Tr>
-                        ))}
-                    </Table.Tbody>
-                  </Table>
-                </ScrollArea.Autosize>
-              </Paper>
-            </>
-          )}
-        </>
+      {homeShowActivity && (
+        <Suspense
+          fallback={
+            <Paper radius='md' withBorder p='md' mt='lg'>
+              <Skeleton height={24} width={180} mb='xs' animate />
+              <Skeleton height={260} mt='md' animate />
+            </Paper>
+          }
+        >
+          <ActivityChart />
+        </Suspense>
+      )}
+
+      {statsLoading ? (
+        <Paper withBorder my='md'>
+          <ScrollArea.Autosize mah={400} type='auto'>
+            <Table highlightOnHover>
+              <Table.Thead>
+                <Table.Tr>
+                  <Table.Th>File Type</Table.Th>
+                  <Table.Th>Count</Table.Th>
+                </Table.Tr>
+              </Table.Thead>
+              <Table.Tbody>
+                {[...Array(5)].map((_, i) => (
+                  <Table.Tr key={i}>
+                    <Table.Td>
+                      <Skeleton animate>
+                        <Text>...</Text>
+                      </Skeleton>
+                    </Table.Td>
+                    <Table.Td>
+                      <Skeleton animate>
+                        <Text>...</Text>
+                      </Skeleton>
+                    </Table.Td>
+                  </Table.Tr>
+                ))}
+              </Table.Tbody>
+            </Table>
+          </ScrollArea.Autosize>
+        </Paper>
+      ) : (
+        Object.keys(stats!.sortTypeCount).length !== 0 &&
+        homeShowTypes && (
+          <>
+            <Title order={3} mt='lg' mb='xs'>
+              File types
+            </Title>
+            <Paper withBorder my='md'>
+              <ScrollArea.Autosize mah={400} type='auto'>
+                <Table highlightOnHover>
+                  <Table.Thead>
+                    <Table.Tr>
+                      <Table.Th>File Type</Table.Th>
+                      <Table.Th>Count</Table.Th>
+                    </Table.Tr>
+                  </Table.Thead>
+                  <Table.Tbody>
+                    {Object.entries(stats!.sortTypeCount)
+                      .sort(([, a], [, b]) => b - a)
+                      .map(([type, count], i) => (
+                        <Table.Tr key={i}>
+                          <Table.Td>{type}</Table.Td>
+                          <Table.Td>{count}</Table.Td>
+                        </Table.Tr>
+                      ))}
+                  </Table.Tbody>
+                </Table>
+              </ScrollArea.Autosize>
+            </Paper>
+          </>
+        )
       )}
     </>
   );
diff --git a/src/components/pages/dashboard/parts/ActivityChart.tsx b/src/components/pages/dashboard/parts/ActivityChart.tsx
new file mode 100644
index 00000000..01b870ba
--- /dev/null
+++ b/src/components/pages/dashboard/parts/ActivityChart.tsx
@@ -0,0 +1,204 @@
+import type { Response } from '@/lib/api/response';
+import { ChartTooltip, LineChart } from '@mantine/charts';
+import { Box, Group, Paper, Select, Skeleton, Text, Title } from '@mantine/core';
+import { IconChartAreaLine, IconLogin2, IconUpload } from '@tabler/icons-react';
+import dayjs from 'dayjs';
+import { useState } from 'react';
+import useSWR from 'swr';
+
+const CHART_HEIGHT = 260;
+
+function parseChartDate(value: unknown): dayjs.Dayjs | null {
+  if (value == null || value === '') return null;
+
+  if (typeof value === 'number' && Number.isFinite(value)) {
+    const d = dayjs(value);
+    return d.isValid() ? d : null;
+  }
+
+  if (typeof value === 'string') {
+    const d = dayjs(value);
+    return d.isValid() ? d : null;
+  }
+
+  return null;
+}
+
+function formatDayLabel(value: unknown) {
+  const d = parseChartDate(value);
+  if (!d) return '';
+
+  const today = dayjs().startOf('day');
+  if (d.isSame(today, 'day')) return 'Today';
+  if (d.isSame(today.subtract(1, 'day'), 'day')) return 'Yesterday';
+  return d.format('MMM D');
+}
+
+export default function ActivityChart() {
+  const [days, setDays] = useState(14);
+  const { data, isLoading } = useSWR<Response['/api/user/activity']>('/api/user/activity?days=' + days);
+
+  if (isLoading) {
+    return (
+      <Paper radius='md' withBorder p='md' mt='lg'>
+        <Skeleton height={24} width={180} mb='xs' animate />
+        <Skeleton height={16} width={240} mb='lg' animate />
+        <Skeleton height={CHART_HEIGHT} animate />
+      </Paper>
+    );
+  }
+
+  if (!data?.series.length) return null;
+
+  const chartData = data.series
+    .map((point) => {
+      const d = dayjs(point.date);
+      if (!d.isValid()) return null;
+
+      return {
+        date: d.valueOf(),
+        uploads: point.uploads,
+        logins: point.logins,
+      };
+    })
+    .filter((point) => point !== null);
+
+  if (chartData.length === 0) return null;
+
+  const hasActivity = data.totals.uploads > 0 || data.totals.logins > 0;
+
+  return (
+    <Paper radius='md' withBorder p='md' mt='lg'>
+      <Group justify='space-between' align='flex-start' mb='lg' wrap='nowrap'>
+        <Box>
+          <Title order={3} fw={600}>
+            Activity
+          </Title>
+          <Group gap='xs' style={{ alignItems: 'center' }}>
+            <Text size='sm' c='dimmed' mt={4}>
+              Your uploads and logins over the last{' '}
+            </Text>
+            <Select
+              value={String(days)}
+              onChange={(v) => setDays(Number(v))}
+              data={[
+                { value: '1', label: '1 day' },
+                { value: '7', label: '7 days' },
+                { value: '14', label: '14 days' },
+                { value: '30', label: '30 days' },
+              ]}
+              size='0.4rem'
+              variant='filled'
+              p={0}
+              m={0}
+              fw={500}
+              styles={{
+                input: {
+                  color: 'var(--mantine-primary-color-filled)',
+                  padding: 10,
+                  width: '10em',
+                  fontSize: '0.875rem',
+                },
+                section: {
+                  margin: 0,
+                },
+                option: {
+                  fontSize: '1rem',
+                },
+                wrapper: {
+                  borderRadius: 1,
+                },
+              }}
+              comboboxProps={{
+                dropdownPadding: 0,
+              }}
+            />
+          </Group>
+        </Box>
+
+        <Group gap='lg' visibleFrom='sm'>
+          <Group gap='xs'>
+            <IconUpload size='1rem' style={{ opacity: 0.85 }} color='var(--mantine-primary-color-filled)' />
+            <Box>
+              <Text size='xs' c='dimmed' lh={1.2}>
+                Uploads
+              </Text>
+              <Text size='sm' fw={600} lh={1.3}>
+                {data.totals.uploads}
+              </Text>
+            </Box>
+          </Group>
+          <Group gap='xs'>
+            <IconLogin2 size='1rem' style={{ opacity: 0.65 }} color='var(--mantine-color-gray-5)' />
+            <Box>
+              <Text size='xs' c='dimmed' lh={1.2}>
+                Logins
+              </Text>
+              <Text size='sm' fw={600} lh={1.3}>
+                {data.totals.logins}
+              </Text>
+            </Box>
+          </Group>
+        </Group>
+      </Group>
+
+      {!hasActivity ? (
+        <Paper withBorder h={CHART_HEIGHT} radius='md' p='md' ta='center'>
+          <Group align='center' justify='center' h='100%'>
+            <IconChartAreaLine size='1.75rem' style={{ opacity: 0.35 }} />
+            <Text size='sm' c='dimmed'>
+              No uploads or logins in this period yet
+            </Text>
+          </Group>
+        </Paper>
+      ) : (
+        <LineChart
+          h={CHART_HEIGHT}
+          data={chartData}
+          dataKey='date'
+          curveType='natural'
+          connectNulls
+          withLegend={false}
+          withDots={false}
+          activeDotProps={{ r: 4, strokeWidth: 2 }}
+          gridAxis='none'
+          tickLine='none'
+          strokeWidth={2}
+          series={[
+            {
+              name: 'uploads',
+              label: 'Uploads',
+              color: 'var(--mantine-primary-color-filled)',
+            },
+            {
+              name: 'logins',
+              label: 'Logins',
+              color: 'gray.5',
+            },
+          ]}
+          xAxisProps={{
+            tickMargin: 12,
+            minTickGap: 32,
+            tickFormatter: (v) => formatDayLabel(v),
+          }}
+          yAxisProps={{
+            width: 36,
+            tickMargin: 8,
+          }}
+          tooltipProps={{
+            content: ({ label, payload }) => (
+              <ChartTooltip
+                label={formatDayLabel(label) || '—'}
+                payload={payload}
+                series={[
+                  { name: 'uploads', label: 'Uploads', color: 'var(--mantine-primary-color-filled)' },
+                  { name: 'logins', label: 'Logins', color: 'gray.5' },
+                ]}
+              />
+            ),
+          }}
+        />
+      )}
+    </Paper>
+  );
+}
diff --git a/src/components/pages/dashboard/parts/Recents.tsx b/src/components/pages/dashboard/parts/Recents.tsx
new file mode 100644
index 00000000..d56f256a
--- /dev/null
+++ b/src/components/pages/dashboard/parts/Recents.tsx
@@ -0,0 +1,36 @@
+import { Response } from '@/lib/api/response';
+import { SimpleGrid, Skeleton, Text } from '@mantine/core';
+import { lazy, Suspense } from 'react';
+import useSWR from 'swr';
+
+const DashboardFile = lazy(() => import('@/components/file/DashboardFile'));
+
+export default function Recents() {
+  const { data, isLoading } = useSWR<Response['/api/user/recent']>('/api/user/recent');
+
+  if (isLoading)
+    return (
+      <SimpleGrid cols={{ base: 1, md: 2, lg: 3 }} spacing={{ base: 'sm', md: 'md' }}>
+        {[...Array(3)].map((_, i) => (
+          <Skeleton key={i} height={350} animate />
+        ))}
+      </SimpleGrid>
+    );
+
+  if (data?.length)
+    return (
+      <SimpleGrid cols={{ base: 1, md: 2, lg: 3 }} spacing={{ base: 'sm', md: 'md' }}>
+        {data!.map((file, i) => (
+          <Suspense fallback={<Skeleton height={350} animate />} key={i}>
+            <DashboardFile file={file} />
+          </Suspense>
+        ))}
+      </SimpleGrid>
+    );
+
+  return (
+    <Text size='sm' c='dimmed'>
+      You have no recent files. The last three files you uploaded will appear here.
+    </Text>
+  );
+}
diff --git a/src/components/pages/settings/parts/SettingsDashboard.tsx b/src/components/pages/settings/parts/SettingsDashboard.tsx
index a21bf845..39bb407a 100644
--- a/src/components/pages/settings/parts/SettingsDashboard.tsx
+++ b/src/components/pages/settings/parts/SettingsDashboard.tsx
@@ -63,6 +63,26 @@ export default function SettingsDashboard() {
             checked={settings.fileNavButtons}
             onChange={(event) => update('fileNavButtons', event.currentTarget.checked)}
           />
+          <Switch
+            label='Show recents'
+            description='Show recent uploads and logins on the home page.'
+            checked={settings.homeShowRecents}
+            onChange={(event) => update('homeShowRecents', event.currentTarget.checked)}
+          />
+
+          <Switch
+            label='Show activity'
+            description='Show your recent activity as a graph on the home page.'
+            checked={settings.homeShowActivity}
+            onChange={(event) => update('homeShowActivity', event.currentTarget.checked)}
+          />
+
+          <Switch
+            label='Show file types'
+            description='Show the file types table on the home page.'
+            checked={settings.homeShowTypes}
+            onChange={(event) => update('homeShowTypes', event.currentTarget.checked)}
+          />
         </Stack>
 
         <Select
diff --git a/src/lib/api/response.ts b/src/lib/api/response.ts
index 99c1c8ac..ebba5da7 100644
--- a/src/lib/api/response.ts
+++ b/src/lib/api/response.ts
@@ -34,6 +34,7 @@ import { ApiUserMfaPasskeyResponse } from '@/server/routes/api/user/mfa/passkey'
 import { ApiUserMfaTotpResponse } from '@/server/routes/api/user/mfa/totp';
 import { ApiUserRecentResponse } from '@/server/routes/api/user/recent';
 import { ApiUserSessionsResponse } from '@/server/routes/api/user/sessions';
+import { ApiUserActivityResponse } from '@/server/routes/api/user/activity';
 import { ApiUserStatsResponse } from '@/server/routes/api/user/stats';
 import { ApiUserTagsResponse } from '@/server/routes/api/user/tags';
 import { ApiUserTagsIdResponse } from '@/server/routes/api/user/tags/[id]';
@@ -70,6 +71,7 @@ export type Response = {
   '/api/user/sessions': ApiUserSessionsResponse;
   '/api/user': ApiUserResponse;
   '/api/user/stats': ApiUserStatsResponse;
+  '/api/user/activity': ApiUserActivityResponse;
   '/api/user/recent': ApiUserRecentResponse;
   '/api/user/token': ApiUserTokenResponse;
   '/api/user/export': ApiUserExportResponse;
diff --git a/src/lib/client/store/settings.ts b/src/lib/client/store/settings.ts
index 74433cb4..7084b184 100644
--- a/src/lib/client/store/settings.ts
+++ b/src/lib/client/store/settings.ts
@@ -12,6 +12,9 @@ export type SettingsStore = {
     themeDark: string;
     themeLight: string;
     domain: '' | string;
+    homeShowRecents: boolean;
+    homeShowActivity: boolean;
+    homeShowTypes: boolean;
   };
 
   update: <K extends keyof SettingsStore['settings']>(key: K, value: SettingsStore['settings'][K]) => void;
@@ -27,6 +30,9 @@ const defaultSettings: SettingsStore['settings'] = {
   themeDark: 'builtin:dark_blue',
   themeLight: 'builtin:light_blue',
   domain: '',
+  homeShowRecents: true,
+  homeShowActivity: true,
+  homeShowTypes: true,
 };
 
 export const useSettingsStore = create<SettingsStore>()(
diff --git a/src/server/routes/api/user/activity.ts b/src/server/routes/api/user/activity.ts
new file mode 100644
index 00000000..634cfd3b
--- /dev/null
+++ b/src/server/routes/api/user/activity.ts
@@ -0,0 +1,126 @@
+import { prisma } from '@/lib/db';
+import { userMiddleware } from '@/server/middleware/user';
+import typedPlugin from '@/server/typedPlugin';
+import dayjs from 'dayjs';
+import z from 'zod';
+
+export type ApiUserActivityDay = {
+  date: string;
+  uploads: number;
+  logins: number;
+};
+
+export type ApiUserActivityResponse = {
+  days: number;
+  series: ApiUserActivityDay[];
+  totals: {
+    uploads: number;
+    logins: number;
+  };
+};
+
+export const PATH = '/api/user/activity';
+
+const MAX_DAYS = 90;
+const DEFAULT_DAYS = 14;
+
+export default typedPlugin(
+  async (server) => {
+    server.get(
+      PATH,
+      {
+        schema: {
+          description: 'Daily upload and login counts for the authenticated user over a recent window.',
+          querystring: z.object({
+            days: z.coerce.number().int().min(1).max(MAX_DAYS).default(DEFAULT_DAYS),
+          }),
+          response: {
+            200: z.object({
+              days: z.number(),
+              series: z.array(
+                z.object({
+                  date: z.string(),
+                  uploads: z.number(),
+                  logins: z.number(),
+                }),
+              ),
+              totals: z.object({
+                uploads: z.number(),
+                logins: z.number(),
+              }),
+            }),
+          },
+          tags: ['auth'],
+        },
+        preHandler: [userMiddleware],
+      },
+      async (req, res) => {
+        const days = req.query.days;
+        const start = dayjs()
+          .subtract(days - 1, 'day')
+          .startOf('day')
+          .toDate();
+
+        const [files, sessions] = await Promise.all([
+          prisma.file.findMany({
+            where: {
+              userId: req.user.id,
+              createdAt: { gte: start },
+            },
+            select: { createdAt: true },
+          }),
+          prisma.userSession.findMany({
+            where: {
+              userId: req.user.id,
+              createdAt: { gte: start },
+            },
+            select: { createdAt: true },
+          }),
+        ]);
+
+        const uploadsByDay = new Map<string, number>();
+        const loginsByDay = new Map<string, number>();
+
+        for (const file of files) {
+          const key = dayjs(file.createdAt).format('YYYY-MM-DD');
+          uploadsByDay.set(key, (uploadsByDay.get(key) ?? 0) + 1);
+        }
+
+        for (const session of sessions) {
+          const key = dayjs(session.createdAt).format('YYYY-MM-DD');
+          loginsByDay.set(key, (loginsByDay.get(key) ?? 0) + 1);
+        }
+
+        const series: ApiUserActivityDay[] = [];
+        let totalUploads = 0;
+        let totalLogins = 0;
+
+        for (let i = days - 1; i >= 0; i--) {
+          const day = dayjs().subtract(i, 'day').startOf('day');
+          const key = day.format('YYYY-MM-DD');
+          const uploads = uploadsByDay.get(key) ?? 0;
+          const logins = loginsByDay.get(key) ?? 0;
+
+          totalUploads += uploads;
+          totalLogins += logins;
+
+          series.push({
+            date: day.toISOString(),
+            uploads,
+            logins,
+          });
+        }
+
+        return res.send({
+          days,
+          series,
+          totals: {
+            uploads: totalUploads,
+            logins: totalLogins,
+          },
+        });
+      },
+    );
+  },
+  { name: PATH },
+);