Add trend charts and calendar-week averages to History page

Adds Recharts-based calorie and macro trend charts plus real
calendar-week (Mon-Sun) averages, replacing the old rolling
7-day average. Colors were chosen and validated with the dataviz
skill's contrast/CVD checks separately for light and dark mode.

Fixes a timezone bug where Date.toISOString() shifted week
boundaries by one day in UTC+ timezones, and two Recharts pitfalls
(negative chart margin hiding the Y-axis, mount animation stuck
invisible in headless browsers).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
2026-07-29 13:36:38 +02:00
co-authored by Claude Sonnet 5
parent 2f95eeda83
commit 5196ff0194
8 changed files with 685 additions and 24 deletions
+401 -3
View File
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"integrity": "sha512-+FbBPE1o9QAYvviau/qC5SE3caw21q3xkvWKBtja5vgqOWIHHJ3ioaq1VPfn/Szqctz2bU/oYeKd9/z5BL+PVg==",
"license": "MIT"
},
"node_modules/tinyglobby": {
"version": "0.2.17",
"resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.17.tgz",
@@ -2033,6 +2400,37 @@
"license": "0BSD",
"optional": true
},
"node_modules/use-sync-external-store": {
"version": "1.6.0",
"resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.6.0.tgz",
"integrity": "sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==",
"license": "MIT",
"peerDependencies": {
"react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
}
},
"node_modules/victory-vendor": {
"version": "37.3.6",
"resolved": "https://registry.npmjs.org/victory-vendor/-/victory-vendor-37.3.6.tgz",
"integrity": "sha512-SbPDPdDBYp+5MJHhBCAyI7wKM3d5ivekigc2Dk2s7pgbZ9wIgIBYGVw4zGHBml/qTFbexrofXW6Gu4noGxrOwQ==",
"license": "MIT AND ISC",
"dependencies": {
"@types/d3-array": "^3.0.3",
"@types/d3-ease": "^3.0.0",
"@types/d3-interpolate": "^3.0.1",
"@types/d3-scale": "^4.0.2",
"@types/d3-shape": "^3.1.0",
"@types/d3-time": "^3.0.0",
"@types/d3-timer": "^3.0.0",
"d3-array": "^3.1.6",
"d3-ease": "^3.0.1",
"d3-interpolate": "^3.0.1",
"d3-scale": "^4.0.2",
"d3-shape": "^3.1.0",
"d3-time": "^3.0.0",
"d3-timer": "^3.0.1"
}
},
"node_modules/vite": {
"version": "8.1.3",
"resolved": "https://registry.npmjs.org/vite/-/vite-8.1.3.tgz",
+2 -1
View File
@@ -14,7 +14,8 @@
"html5-qrcode": "^2.3.8",
"react": "^19.2.7",
"react-dom": "^19.2.7",
"react-router-dom": "^7.18.1"
"react-router-dom": "^7.18.1",
"recharts": "^3.10.1"
},
"devDependencies": {
"@tailwindcss/vite": "^4.3.2",
@@ -0,0 +1,65 @@
import { Bar, BarChart, CartesianGrid, ReferenceLine, ResponsiveContainer, Tooltip, XAxis, YAxis } from 'recharts'
const BAR_COLOR = '#059669'
function formatShortDate(dateStr) {
const d = new Date(`${dateStr}T00:00:00`)
return d.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit' })
}
function CustomTooltip({ active, payload, label }) {
if (!active || !payload?.length) return null
return (
<div className="rounded-lg border border-gray-200 bg-white px-3 py-2 shadow-md dark:border-gray-700 dark:bg-gray-800">
<p className="mb-1 text-xs text-gray-500 dark:text-gray-400">{formatShortDate(label)}</p>
<p className="text-sm font-semibold text-gray-900 dark:text-gray-50">
{Math.round(payload[0].value)} kcal
</p>
</div>
)
}
export default function CalorieTrendChart({ days, calorieGoal, theme }) {
const data = days.map((day) => ({ date: day.date, calories: day.totals.calories }))
const gridColor = theme === 'dark' ? '#374151' : '#e5e7eb'
const tickColor = theme === 'dark' ? '#9ca3af' : '#6b7280'
return (
<div className="rounded-xl bg-white p-4 shadow-sm dark:bg-gray-800">
<h2 className="mb-3 text-sm font-semibold text-gray-900 dark:text-gray-50">Kalorien-Trend</h2>
<div className="h-48 w-full">
<ResponsiveContainer width="100%" height="100%">
<BarChart data={data} margin={{ top: 4, right: 4, left: 0, bottom: 0 }}>
<CartesianGrid stroke={gridColor} strokeWidth={1} vertical={false} />
<XAxis
dataKey="date"
tickFormatter={formatShortDate}
tick={{ fill: tickColor, fontSize: 11 }}
stroke={gridColor}
interval="preserveStartEnd"
minTickGap={24}
/>
<YAxis tick={{ fill: tickColor, fontSize: 11 }} stroke={gridColor} width={40} />
<Tooltip content={<CustomTooltip />} cursor={{ fill: gridColor, opacity: 0.4 }} />
{calorieGoal > 0 && (
<ReferenceLine
y={calorieGoal}
stroke="#9ca3af"
strokeDasharray="4 4"
strokeWidth={1.5}
label={{ value: 'Ziel', position: 'insideTopRight', fill: tickColor, fontSize: 11 }}
/>
)}
<Bar
dataKey="calories"
fill={BAR_COLOR}
radius={[4, 4, 0, 0]}
maxBarSize={20}
isAnimationActive={false}
/>
</BarChart>
</ResponsiveContainer>
</div>
</div>
)
}
@@ -0,0 +1,95 @@
import { CartesianGrid, Legend, Line, LineChart, ResponsiveContainer, Tooltip, XAxis, YAxis } from 'recharts'
const SERIES = [
{ key: 'protein', label: 'Protein', light: '#2563eb', dark: '#3b82f6' },
{ key: 'carbs', label: 'Carbs', light: '#d97706', dark: '#b45309' },
{ key: 'fat', label: 'Fett', light: '#e11d48', dark: '#f43f5e' },
]
function formatShortDate(dateStr) {
const d = new Date(`${dateStr}T00:00:00`)
return d.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit' })
}
function CustomLegend({ payload }) {
return (
<div className="mt-1 flex justify-center gap-4">
{payload.map((entry) => (
<div key={entry.value} className="flex items-center gap-1.5">
<span className="h-0.5 w-4 rounded-full" style={{ backgroundColor: entry.color }} />
<span className="text-xs text-gray-600 dark:text-gray-300">{entry.value}</span>
</div>
))}
</div>
)
}
function CustomTooltip({ active, payload, label }) {
if (!active || !payload?.length) return null
return (
<div className="rounded-lg border border-gray-200 bg-white px-3 py-2 shadow-md dark:border-gray-700 dark:bg-gray-800">
<p className="mb-1 text-xs text-gray-500 dark:text-gray-400">{formatShortDate(label)}</p>
<div className="space-y-0.5">
{payload.map((entry) => (
<div key={entry.dataKey} className="flex items-center gap-1.5 text-sm">
<span className="h-0.5 w-3 rounded-full" style={{ backgroundColor: entry.color }} />
<span className="font-semibold text-gray-900 dark:text-gray-50">{Math.round(entry.value)}g</span>
<span className="text-xs text-gray-500 dark:text-gray-400">{entry.name}</span>
</div>
))}
</div>
</div>
)
}
export default function MacroTrendChart({ days, theme }) {
const data = days.map((day) => ({
date: day.date,
protein: day.totals.protein,
carbs: day.totals.carbs,
fat: day.totals.fat,
}))
const gridColor = theme === 'dark' ? '#374151' : '#e5e7eb'
const tickColor = theme === 'dark' ? '#9ca3af' : '#6b7280'
const surfaceColor = theme === 'dark' ? '#1f2937' : '#ffffff'
return (
<div className="rounded-xl bg-white p-4 shadow-sm dark:bg-gray-800">
<h2 className="mb-3 text-sm font-semibold text-gray-900 dark:text-gray-50">Makro-Trend</h2>
<div className="h-48 w-full">
<ResponsiveContainer width="100%" height="100%">
<LineChart data={data} margin={{ top: 4, right: 4, left: 0, bottom: 0 }}>
<CartesianGrid stroke={gridColor} strokeWidth={1} vertical={false} />
<XAxis
dataKey="date"
tickFormatter={formatShortDate}
tick={{ fill: tickColor, fontSize: 11 }}
stroke={gridColor}
interval="preserveStartEnd"
minTickGap={24}
/>
<YAxis tick={{ fill: tickColor, fontSize: 11 }} stroke={gridColor} width={40} />
<Tooltip content={<CustomTooltip />} cursor={{ stroke: gridColor, strokeWidth: 1 }} />
<Legend content={<CustomLegend />} />
{SERIES.map((series) => {
const color = theme === 'dark' ? series.dark : series.light
return (
<Line
key={series.key}
type="monotone"
dataKey={series.key}
name={series.label}
stroke={color}
strokeWidth={2}
dot={{ r: 4, strokeWidth: 2, stroke: surfaceColor, fill: color }}
activeDot={{ r: 5, strokeWidth: 2, stroke: surfaceColor, fill: color }}
isAnimationActive={false}
/>
)
})}
</LineChart>
</ResponsiveContainer>
</div>
</div>
)
}
+67 -17
View File
@@ -1,31 +1,26 @@
import { useEffect, useState } from 'react'
import { Link } from 'react-router-dom'
import apiClient from '../api/client'
import CalorieTrendChart from '../components/CalorieTrendChart'
import MacroTrendChart from '../components/MacroTrendChart'
import ThemeToggle from '../components/ThemeToggle'
import { useAuth } from '../context/AuthContext'
import { useTheme } from '../context/ThemeContext'
import { groupByMealType } from '../utils/mealTypes'
import { average, groupByWeek } from '../utils/weeks'
const HISTORY_DAYS = 30
function average(days) {
const daysWithData = days.filter((d) => d.totals.calories > 0)
if (daysWithData.length === 0) {
return { calories: 0, protein: 0, carbs: 0, fat: 0, count: 0 }
}
const sum = (key) => daysWithData.reduce((acc, d) => acc + d.totals[key], 0)
return {
calories: sum('calories') / daysWithData.length,
protein: sum('protein') / daysWithData.length,
carbs: sum('carbs') / daysWithData.length,
fat: sum('fat') / daysWithData.length,
count: daysWithData.length,
}
}
function formatDate(dateStr) {
const d = new Date(`${dateStr}T00:00:00`)
return d.toLocaleDateString('de-DE', { weekday: 'short', day: '2-digit', month: '2-digit' })
}
function formatShortDate(dateStr) {
const d = new Date(`${dateStr}T00:00:00`)
return d.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit' })
}
function AverageCard({ title, avg }) {
return (
<div className="rounded-xl bg-white p-4 shadow-sm dark:bg-gray-800">
@@ -57,6 +52,8 @@ function AverageCard({ title, avg }) {
}
export default function HistoryPage() {
const { user } = useAuth()
const { theme } = useTheme()
const [days, setDays] = useState([])
const [isLoading, setIsLoading] = useState(true)
const [expandedDate, setExpandedDate] = useState(null)
@@ -81,8 +78,8 @@ export default function HistoryPage() {
}
}
const weeklyAvg = average(days.slice(-7))
const monthlyAvg = average(days)
const weeks = groupByWeek(days)
const reversedDays = [...days].reverse()
return (
@@ -98,7 +95,60 @@ export default function HistoryPage() {
</header>
<main className="mx-auto max-w-md space-y-4 p-4">
<AverageCard title="Ø letzte 7 Tage" avg={weeklyAvg} />
{!isLoading && days.length > 0 && (
<>
<CalorieTrendChart days={days} calorieGoal={user.calorie_goal} theme={theme} />
<MacroTrendChart days={days} theme={theme} />
</>
)}
<section className="rounded-xl bg-white p-4 shadow-sm dark:bg-gray-800">
<h2 className="mb-2 text-sm font-semibold text-gray-900 dark:text-gray-50">Wochenübersicht</h2>
{weeks.length === 0 ? (
<p className="text-sm text-gray-500 dark:text-gray-400">Keine Daten in diesem Zeitraum.</p>
) : (
<div className="space-y-3">
{weeks.map((week) => (
<div key={week.weekStart} className="border-t border-gray-100 pt-3 first:border-0 first:pt-0 dark:border-gray-700">
<p className="mb-2 text-xs font-medium text-gray-500 dark:text-gray-400">
Woche vom {formatShortDate(week.weekStart)}–{formatShortDate(week.weekEnd)}
</p>
{week.avg.count === 0 ? (
<p className="text-sm text-gray-500 dark:text-gray-400">Keine Einträge in dieser Woche.</p>
) : (
<dl className="grid grid-cols-4 gap-2 text-center text-sm">
<div>
<dt className="text-gray-500 dark:text-gray-400">Kcal</dt>
<dd className="font-medium text-gray-900 dark:text-gray-50">
{Math.round(week.avg.calories)}
</dd>
</div>
<div>
<dt className="text-gray-500 dark:text-gray-400">Protein</dt>
<dd className="font-medium text-gray-900 dark:text-gray-50">
{Math.round(week.avg.protein)}g
</dd>
</div>
<div>
<dt className="text-gray-500 dark:text-gray-400">Carbs</dt>
<dd className="font-medium text-gray-900 dark:text-gray-50">
{Math.round(week.avg.carbs)}g
</dd>
</div>
<div>
<dt className="text-gray-500 dark:text-gray-400">Fett</dt>
<dd className="font-medium text-gray-900 dark:text-gray-50">
{Math.round(week.avg.fat)}g
</dd>
</div>
</dl>
)}
</div>
))}
</div>
)}
</section>
<AverageCard title={`Ø letzte ${HISTORY_DAYS} Tage`} avg={monthlyAvg} />
<section className="rounded-xl bg-white p-4 shadow-sm dark:bg-gray-800">
+49
View File
@@ -0,0 +1,49 @@
function toDateStr(d) {
const year = d.getFullYear()
const month = String(d.getMonth() + 1).padStart(2, '0')
const day = String(d.getDate()).padStart(2, '0')
return `${year}-${month}-${day}`
}
function addDays(dateStr, amount) {
const d = new Date(`${dateStr}T00:00:00`)
d.setDate(d.getDate() + amount)
return toDateStr(d)
}
export function getWeekStart(dateStr) {
const d = new Date(`${dateStr}T00:00:00`)
const isoDay = d.getDay() === 0 ? 7 : d.getDay()
return addDays(dateStr, 1 - isoDay)
}
export function average(days) {
const daysWithData = days.filter((d) => d.totals.calories > 0)
if (daysWithData.length === 0) {
return { calories: 0, protein: 0, carbs: 0, fat: 0, count: 0 }
}
const sum = (key) => daysWithData.reduce((acc, d) => acc + d.totals[key], 0)
return {
calories: sum('calories') / daysWithData.length,
protein: sum('protein') / daysWithData.length,
carbs: sum('carbs') / daysWithData.length,
fat: sum('fat') / daysWithData.length,
count: daysWithData.length,
}
}
export function groupByWeek(days) {
const weeks = new Map()
for (const day of days) {
const weekStart = getWeekStart(day.date)
if (!weeks.has(weekStart)) weeks.set(weekStart, [])
weeks.get(weekStart).push(day)
}
return Array.from(weeks.entries())
.map(([weekStart, weekDays]) => ({
weekStart,
weekEnd: addDays(weekStart, 6),
avg: average(weekDays),
}))
.sort((a, b) => b.weekStart.localeCompare(a.weekStart))
}