shinkan-jinkendo/frontend/src/pages/ExerciseDetailPage.jsx
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feat: enhance media lifecycle management and inline media integration
- Implemented media lifecycle management with new API endpoints for handling asset states (trash_soft, trash_hidden, recover, purge), improving media governance.
- Updated frontend components to filter and display media based on lifecycle states, enhancing user experience and visibility.
- Enhanced documentation in MEDIA_ASSETS_AND_ARCHIVE_SPEC.md to include guidelines for inline media references in exercise texts, establishing a clear implementation plan.
- Incremented version to 0.8.42, reflecting the latest changes in media handling and lifecycle management.
2026-05-07 12:55:50 +02:00

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import React, { useEffect, useState } from 'react'
import { Link, useNavigate, useParams } from 'react-router-dom'
import api from '../utils/api'
import { resolveExerciseMediaFileUrl } from '../utils/exerciseMediaUrl'
import { sanitizeTrainerHtml } from '../utils/htmlUtils'
import { formatSkillLevelSlug } from '../constants/skillLevels'
function HtmlBlock({ html, className = '' }) {
if (!html || !String(html).trim()) return null
const safe = sanitizeTrainerHtml(html)
return (
<div
className={`rich-text-content ${className}`}
dangerouslySetInnerHTML={{ __html: safe }}
/>
)
}
function MediaBlock({ media, exerciseId }) {
if (media.embed_url) {
return (
<div style={{ marginTop: '0.5rem' }}>
<a href={media.embed_url} target="_blank" rel="noreferrer">
{media.embed_url}
</a>
{media.embed_platform && (
<span style={{ color: 'var(--text2)', marginLeft: '0.5rem', fontSize: '0.8rem' }}>
({media.embed_platform})
</span>
)}
</div>
)
}
const src = resolveExerciseMediaFileUrl(exerciseId, media)
if (!src) return null
if (media.media_type === 'image' || (media.mime_type && media.mime_type.startsWith('image/'))) {
return (
<img
src={src}
alt={media.title || media.original_filename || ''}
style={{ maxWidth: '100%', borderRadius: '8px', marginTop: '0.5rem' }}
/>
)
}
if (media.media_type === 'video' || (media.mime_type && media.mime_type.startsWith('video/'))) {
return <video src={src} controls style={{ width: '100%', marginTop: '0.5rem', borderRadius: '8px' }} />
}
return (
<a href={src} target="_blank" rel="noreferrer" style={{ display: 'inline-block', marginTop: '0.5rem' }}>
{media.title || media.original_filename || 'Datei öffnen'}
</a>
)
}
function TagRow({ exercise }) {
const tags = []
;(exercise.focus_areas || []).forEach((f) => {
tags.push({ key: `fa-${f.id}`, label: f.name, accent: !!f.is_primary })
})
;(exercise.training_styles || []).forEach((t) => {
tags.push({ key: `ts-${t.id}`, label: t.name, accent: false })
})
;(exercise.training_types || []).forEach((t) => {
tags.push({ key: `tt-${t.id}`, label: t.name, accent: false })
})
;(exercise.target_groups || []).forEach((g) => {
tags.push({ key: `tg-${g.id}`, label: g.name, accent: !!g.is_primary })
})
if (tags.length === 0) return null
return (
<div className="exercise-tag-row">
{tags.map((t) => (
<span key={t.key} className={`exercise-tag${t.accent ? ' exercise-tag--accent' : ''}`}>
{t.label}
</span>
))}
</div>
)
}
function metaParts(exercise) {
const parts = []
if (exercise.duration_min != null || exercise.duration_max != null) {
const a = exercise.duration_min
const b = exercise.duration_max
if (a != null && b != null && a !== b) parts.push(`${a}${b} Min.`)
else if (a != null) parts.push(`ca. ${a} Min.`)
else if (b != null) parts.push(`ca. ${b} Min.`)
}
if (exercise.group_size_min != null || exercise.group_size_max != null) {
const a = exercise.group_size_min
const b = exercise.group_size_max
if (a != null && b != null && a !== b) parts.push(`Gruppe ${a}${b}`)
else if (a != null) parts.push(`Gruppe ab ${a}`)
else if (b != null) parts.push(`Gruppe bis ${b}`)
}
return parts
}
function ExerciseDetailPage() {
const { id } = useParams()
const navigate = useNavigate()
const [exercise, setExercise] = useState(null)
const [error, setError] = useState(null)
const [loading, setLoading] = useState(true)
useEffect(() => {
let cancelled = false
const load = async () => {
setLoading(true)
setError(null)
try {
const data = await api.getExercise(id)
if (!cancelled) setExercise(data)
} catch (err) {
if (!cancelled) setError(err)
} finally {
if (!cancelled) setLoading(false)
}
}
if (id) load()
return () => {
cancelled = true
}
}, [id])
if (loading) {
return (
<div style={{ padding: '2rem', textAlign: 'center' }}>
<div className="spinner"></div>
<p>Laden...</p>
</div>
)
}
if (error) {
const msg = error.message || String(error)
return (
<div style={{ padding: '1rem' }} className="app-page">
<div className="card">
<h2>Übung</h2>
<p style={{ color: 'var(--danger)' }}>{msg}</p>
<button type="button" className="btn btn-secondary" onClick={() => navigate('/exercises')}>
Zur Übersicht
</button>
</div>
</div>
)
}
if (!exercise) return null
const meta = metaParts(exercise)
const visibleMedia = (exercise.media || []).filter((m) => {
const lc = String(m.asset_lifecycle_state || 'active').toLowerCase()
return lc !== 'trash_hidden'
})
return (
<div className="exercise-detail-shell" style={{ padding: '12px 12px 24px' }}>
<div style={{ marginBottom: '12px', display: 'flex', justifyContent: 'space-between', gap: '8px', flexWrap: 'wrap' }}>
<button type="button" className="btn btn-secondary" onClick={() => navigate('/exercises')}>
Übersicht
</button>
<Link to={`/exercises/${exercise.id}/edit`} className="btn btn-primary">
Bearbeiten
</Link>
</div>
<div className="card exercise-detail-section">
<h1 style={{ margin: 0, fontSize: '1.35rem', lineHeight: 1.25 }}>{exercise.title}</h1>
{exercise.summary && (
<div style={{ marginTop: '10px', color: 'var(--text2)', fontSize: '15px' }}>
<HtmlBlock html={exercise.summary} />
</div>
)}
<TagRow exercise={exercise} />
<div style={{ display: 'flex', flexWrap: 'wrap', gap: '6px', marginTop: '10px' }}>
<span className="badge">{exercise.visibility}</span>
<span className="badge">{exercise.status}</span>
{exercise.club_name && <span className="badge">{exercise.club_name}</span>}
</div>
{meta.length > 0 && <p className="exercise-meta-line">{meta.join(' · ')}</p>}
</div>
{exercise.goal && (
<section className="card exercise-detail-section">
<h2>Ziel</h2>
<HtmlBlock html={exercise.goal} />
</section>
)}
{(exercise.equipment || []).length > 0 && (
<section className="card exercise-detail-section">
<h2>Material &amp; Aufbau</h2>
<ul style={{ paddingLeft: '1.2rem', margin: 0 }}>
{exercise.equipment.map((x, i) => (
<li key={i}>{x}</li>
))}
</ul>
</section>
)}
{exercise.preparation && (
<section className="card exercise-detail-section">
<h2>Vorbereitung</h2>
<HtmlBlock html={exercise.preparation} />
</section>
)}
{exercise.execution && (
<section className="card exercise-detail-section">
<h2>Ablauf</h2>
<HtmlBlock html={exercise.execution} />
</section>
)}
{visibleMedia.length > 0 && (
<section className="card exercise-detail-section">
<h2>Medien</h2>
{visibleMedia.map((m) => (
<div key={m.id} style={{ marginBottom: '1.25rem' }}>
<strong style={{ fontSize: '15px' }}>{m.title || m.original_filename || m.media_type}</strong>
{String(m.asset_lifecycle_state || 'active').toLowerCase() === 'trash_soft' && (
<p style={{ fontSize: '12px', color: 'var(--danger)', margin: '6px 0 0' }}>
Hinweis: Dieses Medium ist im Papierkorb und steht künftig nicht mehr zur Verfügung.
</p>
)}
{m.description && <p style={{ color: 'var(--text2)', fontSize: '0.9rem' }}>{m.description}</p>}
<MediaBlock media={m} exerciseId={exercise.id} />
</div>
))}
</section>
)}
{exercise.trainer_notes && (
<section className="card exercise-detail-section">
<h2>Hinweise für Trainer</h2>
<HtmlBlock html={exercise.trainer_notes} />
</section>
)}
{(exercise.skills || []).length > 0 && (
<section className="card exercise-detail-section">
<h2>Fähigkeiten</h2>
<div className="exercise-tag-row">
{exercise.skills.map((s) => {
const rl = formatSkillLevelSlug(s.required_level)
const tl = formatSkillLevelSlug(s.target_level)
const lvl =
rl || tl ? ` (${[rl, tl].filter(Boolean).join(' → ')})` : ''
return (
<span key={s.id} className={`exercise-tag${s.is_primary ? ' exercise-tag--accent' : ''}`}>
{s.skill_name}
{s.intensity ? ` · ${s.intensity}` : ''}
{lvl}
</span>
)
})}
</div>
</section>
)}
{(exercise.variants || []).length > 0 && (
<section className="card exercise-detail-section">
<h2>Varianten</h2>
{exercise.variants.map((v) => {
const dur =
v.duration_min != null || v.duration_max != null
? v.duration_min != null && v.duration_max != null && v.duration_min !== v.duration_max
? `${v.duration_min}${v.duration_max} Min.`
: v.duration_min != null
? `ca. ${v.duration_min} Min.`
: `bis ca. ${v.duration_max} Min.`
: null
const diffLabel =
v.difficulty_adjustment === 'easier'
? 'einfacher'
: v.difficulty_adjustment === 'harder'
? 'schwerer'
: v.difficulty_adjustment === 'same'
? 'gleiche Schwierigkeit'
: v.difficulty_adjustment === 'adapted'
? 'angepasst'
: null
const equip =
Array.isArray(v.equipment_changes) && v.equipment_changes.length > 0
? v.equipment_changes.join(', ')
: null
return (
<div
key={v.id}
style={{
marginBottom: '1rem',
paddingBottom: '1rem',
borderBottom: '1px solid var(--border)',
}}
>
<strong style={{ fontSize: '15px' }}>{v.variant_name}</strong>
{(dur || diffLabel || equip || v.progression_level != null) && (
<div style={{ fontSize: '13px', color: 'var(--text3)', marginTop: '4px' }}>
{[dur, diffLabel, equip && `Material: ${equip}`, v.progression_level != null && `Progression ${v.progression_level}`]
.filter(Boolean)
.join(' · ')}
</div>
)}
{v.description && <p style={{ color: 'var(--text2)', marginTop: '4px' }}>{v.description}</p>}
{v.execution_changes && (
<div style={{ marginTop: '8px' }}>
<HtmlBlock html={v.execution_changes} />
</div>
)}
</div>
)
})}
</section>
)}
</div>
)
}
export default ExerciseDetailPage