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breakpilot-lehrer/website/app/admin/klausur-korrektur/[klausurId]/fairness/page.tsx
Benjamin Boenisch 5a31f52310 Initial commit: breakpilot-lehrer - Lehrer KI Platform
Services: Admin-Lehrer, Backend-Lehrer, Studio v2, Website,
Klausur-Service, School-Service, Voice-Service, Geo-Service,
BreakPilot Drive, Agent-Core

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-11 23:47:26 +01:00

498 lines
20 KiB
TypeScript

'use client'
/**
* Fairness-Dashboard
*
* Visualizes grading consistency and identifies outliers for review.
* Features:
* - Grade distribution histogram
* - Criteria heatmap
* - Outlier list with quick navigation
* - Fairness score gauge
*/
import { useState, useEffect, useCallback } from 'react'
import { useParams, useRouter } from 'next/navigation'
import AdminLayout from '@/components/admin/AdminLayout'
import Link from 'next/link'
const API_BASE = process.env.NEXT_PUBLIC_KLAUSUR_SERVICE_URL || 'http://localhost:8086'
// Grade labels
const GRADE_LABELS: Record<number, string> = {
15: '1+', 14: '1', 13: '1-', 12: '2+', 11: '2', 10: '2-',
9: '3+', 8: '3', 7: '3-', 6: '4+', 5: '4', 4: '4-',
3: '5+', 2: '5', 1: '5-', 0: '6'
}
// Criterion colors
const CRITERION_COLORS: Record<string, string> = {
rechtschreibung: '#dc2626',
grammatik: '#2563eb',
inhalt: '#16a34a',
struktur: '#9333ea',
stil: '#ea580c',
}
interface FairnessData {
klausur_id: string
students_count: number
graded_count: number
statistics: {
average_grade: number
average_raw_points: number
min_grade: number
max_grade: number
spread: number
standard_deviation: number
}
criteria_breakdown: Record<string, {
average: number
min: number
max: number
count: number
}>
outliers: Array<{
student_id: string
student_name: string
grade_points: number
deviation: number
direction: 'above' | 'below'
}>
fairness_score: number
warnings: string[]
recommendation: string
}
interface Klausur {
id: string
title: string
subject: string
students: Array<{
id: string
student_name: string
anonym_id: string
grade_points: number
criteria_scores: Record<string, { score: number }>
}>
}
export default function FairnessDashboardPage() {
const params = useParams()
const router = useRouter()
const klausurId = params.klausurId as string
const [klausur, setKlausur] = useState<Klausur | null>(null)
const [fairnessData, setFairnessData] = useState<FairnessData | null>(null)
const [loading, setLoading] = useState(true)
const [error, setError] = useState<string | null>(null)
// Fetch data
const fetchData = useCallback(async () => {
try {
setLoading(true)
// Fetch klausur
const klausurRes = await fetch(`${API_BASE}/api/v1/klausuren/${klausurId}`)
if (klausurRes.ok) {
setKlausur(await klausurRes.json())
}
// Fetch fairness analysis
const fairnessRes = await fetch(`${API_BASE}/api/v1/klausuren/${klausurId}/fairness`)
if (fairnessRes.ok) {
setFairnessData(await fairnessRes.json())
} else {
const errData = await fairnessRes.json()
setError(errData.detail || 'Fehler beim Laden der Fairness-Analyse')
}
setError(null)
} catch (err) {
console.error('Failed to fetch data:', err)
setError('Fehler beim Laden der Daten')
} finally {
setLoading(false)
}
}, [klausurId])
useEffect(() => {
fetchData()
}, [fetchData])
// Calculate grade distribution for histogram
const getGradeDistribution = () => {
if (!klausur?.students) return []
const distribution: Record<number, number> = {}
for (let i = 0; i <= 15; i++) {
distribution[i] = 0
}
klausur.students.forEach(s => {
if (s.grade_points >= 0 && s.grade_points <= 15) {
distribution[s.grade_points]++
}
})
return Object.entries(distribution).map(([grade, count]) => ({
grade: parseInt(grade),
count,
label: GRADE_LABELS[parseInt(grade)] || grade
}))
}
const gradeDistribution = getGradeDistribution()
const maxCount = Math.max(...gradeDistribution.map(d => d.count), 1)
if (loading) {
return (
<AdminLayout title="Lade Fairness-Analyse..." description="">
<div className="flex items-center justify-center h-[calc(100vh-200px)]">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary-600"></div>
</div>
</AdminLayout>
)
}
return (
<AdminLayout
title="Fairness-Analyse"
description={klausur?.title || ''}
>
{/* Header */}
<div className="bg-white border-b border-slate-200 -mx-6 -mt-6 px-6 py-4 mb-6">
<div className="flex items-center justify-between">
<Link
href={`/admin/klausur-korrektur/${klausurId}`}
className="text-primary-600 hover:text-primary-800 flex items-center gap-1 text-sm"
>
<svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
</svg>
Zurueck zur Klausur
</Link>
<div className="text-sm text-slate-500">
{fairnessData?.graded_count || 0} von {fairnessData?.students_count || 0} Arbeiten bewertet
</div>
</div>
</div>
{/* Error display */}
{error && (
<div className="mb-6 p-4 bg-red-50 border border-red-200 rounded-lg text-red-800">
{error}
</div>
)}
{fairnessData && (
<div className="space-y-6">
{/* Top Row: Fairness Score + Statistics */}
<div className="grid grid-cols-1 md:grid-cols-3 gap-6">
{/* Fairness Score Gauge */}
<div className="bg-white rounded-lg border border-slate-200 p-6">
<h3 className="text-sm font-medium text-slate-500 mb-4">Fairness-Score</h3>
<div className="flex items-center justify-center">
<div className="relative w-32 h-32">
{/* Background circle */}
<svg className="w-32 h-32 transform -rotate-90">
<circle
cx="64"
cy="64"
r="56"
fill="none"
stroke="#e2e8f0"
strokeWidth="12"
/>
{/* Progress circle */}
<circle
cx="64"
cy="64"
r="56"
fill="none"
stroke={
fairnessData.fairness_score >= 70 ? '#16a34a' :
fairnessData.fairness_score >= 40 ? '#eab308' : '#dc2626'
}
strokeWidth="12"
strokeLinecap="round"
strokeDasharray={`${(fairnessData.fairness_score / 100) * 352} 352`}
/>
</svg>
{/* Score text */}
<div className="absolute inset-0 flex flex-col items-center justify-center">
<span className="text-3xl font-bold">{fairnessData.fairness_score}</span>
<span className="text-xs text-slate-500">von 100</span>
</div>
</div>
</div>
<div className={`mt-4 text-center text-sm font-medium ${
fairnessData.fairness_score >= 70 ? 'text-green-600' :
fairnessData.fairness_score >= 40 ? 'text-yellow-600' : 'text-red-600'
}`}>
{fairnessData.recommendation}
</div>
</div>
{/* Statistics */}
<div className="bg-white rounded-lg border border-slate-200 p-6">
<h3 className="text-sm font-medium text-slate-500 mb-4">Statistik</h3>
<div className="space-y-3">
<div className="flex justify-between">
<span className="text-slate-600">Durchschnitt</span>
<span className="font-semibold">
{fairnessData.statistics.average_grade} P ({GRADE_LABELS[Math.round(fairnessData.statistics.average_grade)]})
</span>
</div>
<div className="flex justify-between">
<span className="text-slate-600">Minimum</span>
<span className="font-semibold">
{fairnessData.statistics.min_grade} P ({GRADE_LABELS[fairnessData.statistics.min_grade]})
</span>
</div>
<div className="flex justify-between">
<span className="text-slate-600">Maximum</span>
<span className="font-semibold">
{fairnessData.statistics.max_grade} P ({GRADE_LABELS[fairnessData.statistics.max_grade]})
</span>
</div>
<div className="flex justify-between">
<span className="text-slate-600">Spreizung</span>
<span className="font-semibold">{fairnessData.statistics.spread} P</span>
</div>
<div className="flex justify-between">
<span className="text-slate-600">Standardabweichung</span>
<span className="font-semibold">{fairnessData.statistics.standard_deviation}</span>
</div>
</div>
</div>
{/* Warnings */}
<div className="bg-white rounded-lg border border-slate-200 p-6">
<h3 className="text-sm font-medium text-slate-500 mb-4">Hinweise</h3>
{fairnessData.warnings.length > 0 ? (
<div className="space-y-2">
{fairnessData.warnings.map((warning, i) => (
<div key={i} className="flex items-start gap-2 text-sm">
<svg className="w-5 h-5 text-amber-500 flex-shrink-0 mt-0.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z" />
</svg>
<span className="text-slate-700">{warning}</span>
</div>
))}
</div>
) : (
<div className="flex items-center gap-2 text-green-600">
<svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
</svg>
<span className="text-sm">Keine Auffaelligkeiten erkannt</span>
</div>
)}
</div>
</div>
{/* Grade Distribution Histogram */}
<div className="bg-white rounded-lg border border-slate-200 p-6">
<h3 className="text-sm font-medium text-slate-500 mb-4">Notenverteilung</h3>
<div className="flex items-end gap-1 h-48">
{gradeDistribution.map(({ grade, count, label }) => (
<div key={grade} className="flex-1 flex flex-col items-center">
<div
className={`w-full rounded-t transition-all ${
count > 0 ? 'bg-primary-500' : 'bg-slate-200'
}`}
style={{ height: `${(count / maxCount) * 160}px`, minHeight: count > 0 ? '8px' : '2px' }}
title={`${count} Arbeiten`}
/>
<div className="text-xs text-slate-500 mt-1 transform -rotate-45 origin-top-left w-6 text-center">
{label}
</div>
{count > 0 && (
<div className="text-xs font-medium text-slate-700 mt-1">{count}</div>
)}
</div>
))}
</div>
<div className="flex justify-between text-xs text-slate-400 mt-6">
<span>6 (0 Punkte)</span>
<span>1+ (15 Punkte)</span>
</div>
</div>
{/* Criteria Breakdown Heatmap */}
<div className="bg-white rounded-lg border border-slate-200 p-6">
<h3 className="text-sm font-medium text-slate-500 mb-4">Kriterien-Vergleich</h3>
<div className="space-y-3">
{Object.entries(fairnessData.criteria_breakdown).map(([criterion, data]) => {
const color = CRITERION_COLORS[criterion] || '#6b7280'
const range = data.max - data.min
return (
<div key={criterion} className="flex items-center gap-4">
<div className="w-32 flex items-center gap-2">
<div className="w-3 h-3 rounded-full" style={{ backgroundColor: color }} />
<span className="text-sm font-medium capitalize">{criterion}</span>
</div>
<div className="flex-1">
<div className="relative h-6 bg-slate-100 rounded-full overflow-hidden">
{/* Range bar */}
<div
className="absolute h-full opacity-30"
style={{
backgroundColor: color,
left: `${data.min}%`,
width: `${range}%`
}}
/>
{/* Average marker */}
<div
className="absolute top-0 bottom-0 w-1 rounded"
style={{
backgroundColor: color,
left: `${data.average}%`
}}
/>
</div>
</div>
<div className="w-24 text-right">
<span className="text-sm font-semibold">{data.average}%</span>
<span className="text-xs text-slate-400 ml-1">avg</span>
</div>
<div className="w-20 text-right text-xs text-slate-500">
{data.min}% - {data.max}%
</div>
</div>
)
})}
</div>
</div>
{/* Outliers List */}
{fairnessData.outliers.length > 0 && (
<div className="bg-white rounded-lg border border-slate-200 p-6">
<h3 className="text-sm font-medium text-slate-500 mb-4">
Ausreisser ({fairnessData.outliers.length})
</h3>
<div className="space-y-2">
{fairnessData.outliers.map((outlier) => (
<div
key={outlier.student_id}
className={`flex items-center justify-between p-3 rounded-lg border ${
outlier.direction === 'above'
? 'bg-green-50 border-green-200'
: 'bg-red-50 border-red-200'
}`}
>
<div className="flex items-center gap-3">
<div className={`w-8 h-8 rounded-full flex items-center justify-center text-white font-bold ${
outlier.direction === 'above' ? 'bg-green-500' : 'bg-red-500'
}`}>
{outlier.direction === 'above' ? '↑' : '↓'}
</div>
<div>
<div className="font-medium">{outlier.student_name}</div>
<div className="text-sm text-slate-500">
{outlier.grade_points} Punkte ({GRADE_LABELS[outlier.grade_points]}) -
Abweichung: {outlier.deviation} Punkte {outlier.direction === 'above' ? 'ueber' : 'unter'} Durchschnitt
</div>
</div>
</div>
<Link
href={`/admin/klausur-korrektur/${klausurId}/${outlier.student_id}`}
className="px-4 py-2 bg-white border border-slate-300 rounded-lg text-sm hover:bg-slate-50 flex items-center gap-2"
>
<svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
</svg>
Pruefen
</Link>
</div>
))}
</div>
</div>
)}
{/* All Students Table */}
<div className="bg-white rounded-lg border border-slate-200 p-6">
<h3 className="text-sm font-medium text-slate-500 mb-4">
Alle Arbeiten ({klausur?.students.length || 0})
</h3>
<div className="overflow-x-auto">
<table className="w-full text-sm">
<thead>
<tr className="border-b border-slate-200">
<th className="text-left py-2 px-3 font-medium text-slate-600">Student</th>
<th className="text-center py-2 px-3 font-medium text-slate-600">Note</th>
<th className="text-center py-2 px-3 font-medium text-slate-600">RS</th>
<th className="text-center py-2 px-3 font-medium text-slate-600">Gram</th>
<th className="text-center py-2 px-3 font-medium text-slate-600">Inhalt</th>
<th className="text-center py-2 px-3 font-medium text-slate-600">Struktur</th>
<th className="text-center py-2 px-3 font-medium text-slate-600">Stil</th>
<th className="text-right py-2 px-3 font-medium text-slate-600">Aktion</th>
</tr>
</thead>
<tbody>
{klausur?.students
.sort((a, b) => b.grade_points - a.grade_points)
.map((student) => {
const isOutlier = fairnessData.outliers.some(o => o.student_id === student.id)
const outlierInfo = fairnessData.outliers.find(o => o.student_id === student.id)
return (
<tr
key={student.id}
className={`border-b border-slate-100 ${
isOutlier
? outlierInfo?.direction === 'above'
? 'bg-green-50'
: 'bg-red-50'
: ''
}`}
>
<td className="py-2 px-3">
<div className="font-medium">{student.anonym_id}</div>
</td>
<td className="py-2 px-3 text-center">
<span className="font-bold">
{student.grade_points} ({GRADE_LABELS[student.grade_points] || '-'})
</span>
</td>
<td className="py-2 px-3 text-center">
{student.criteria_scores?.rechtschreibung?.score ?? '-'}%
</td>
<td className="py-2 px-3 text-center">
{student.criteria_scores?.grammatik?.score ?? '-'}%
</td>
<td className="py-2 px-3 text-center">
{student.criteria_scores?.inhalt?.score ?? '-'}%
</td>
<td className="py-2 px-3 text-center">
{student.criteria_scores?.struktur?.score ?? '-'}%
</td>
<td className="py-2 px-3 text-center">
{student.criteria_scores?.stil?.score ?? '-'}%
</td>
<td className="py-2 px-3 text-right">
<Link
href={`/admin/klausur-korrektur/${klausurId}/${student.id}`}
className="text-primary-600 hover:text-primary-800 text-sm"
>
Bearbeiten
</Link>
</td>
</tr>
)
})}
</tbody>
</table>
</div>
</div>
</div>
)}
</AdminLayout>
)
}