FastAPI-Backend und React-Frontend mit Konten, Sendungsverfolgung, Projekt-Artikeln, Vorrat & Einkauf mit Rezeptabgleich, Reise-Weltkarte, Kanban-Projekten mit Priorität, Server-Monitoring und den Designs Matrix und Blackwall. Betrieb per Docker hinter nginx (siehe DEPLOY.md). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
412 lines
16 KiB
React
412 lines
16 KiB
React
import { useCallback, useEffect, useRef, useState } from 'react';
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import { Link, useNavigate, useParams } from 'react-router-dom';
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import { api, fmtDate, personName } from '../api.js';
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import { useAuth } from '../auth.jsx';
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import KanbanProjectDialog from '../components/KanbanProjectDialog.jsx';
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// Board eines Kanban-Projekts. Gemeinsam: regelmäßig nachladen, damit Änderungen der anderen ankommen
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const REFRESH_SECONDS = 15;
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const FILTER_KEY = 'p42.kanbanFilter';
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export const PRIORITIES = [
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{ key: 'hoch', title: 'Hoch', rank: 1 },
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{ key: 'mittel', title: 'Mittel', rank: 2 },
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{ key: 'niedrig', title: 'Niedrig', rank: 3 },
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];
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const RANK = Object.fromEntries(PRIORITIES.map((p) => [p.key, p.rank]));
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// Innerhalb einer Spalte: zuerst nach Priorität, dann eigene Reihenfolge
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const byPriority = (a, b) => (RANK[a.priority] ?? 2) - (RANK[b.priority] ?? 2) || a.position - b.position;
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export const COLUMNS = [
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{ key: 'offen', title: 'Offen' },
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{ key: 'arbeit', title: 'In Arbeit' },
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{ key: 'wartet', title: 'Wartet' },
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{ key: 'erledigt', title: 'Erledigt' },
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];
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const initials = (name) => name.split(/\s+/).map((w) => w[0]).join('').slice(0, 2).toUpperCase();
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function loadFilter() {
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try { return localStorage.getItem(FILTER_KEY) || 'alle'; } catch { return 'alle'; }
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}
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// Position zwischen den Nachbarn an der Einfügestelle
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function positionAt(cards, index) {
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const before = cards[index - 1]?.position;
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const after = cards[index]?.position;
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if (before == null && after == null) return 1;
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if (before == null) return after - 1;
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if (after == null) return before + 1;
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return (before + after) / 2;
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}
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export default function KanbanBoard() {
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const { id } = useParams();
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const navigate = useNavigate();
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const { user } = useAuth();
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const [data, setData] = useState(null);
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const [error, setError] = useState(null);
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const [filter, setFilter] = useState(loadFilter);
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const [editing, setEditing] = useState(null); // null | { task } | { status } (neu)
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const [drag, setDrag] = useState(null); // { id, status, index } während Drag & Drop
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const dialog = useRef(null);
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const projectDialog = useRef(null);
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const [projectForm, setProjectForm] = useState(null);
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const load = useCallback(async () => {
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try {
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setData(await api('GET', `/api/kanban/projekte/${encodeURIComponent(id)}`));
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} catch (e) {
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setError(e.message);
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}
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}, [id]);
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useEffect(() => {
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if (data?.project) document.title = `${data.project.name} – Kanban`;
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return () => { document.title = 'P42 Dashboard'; };
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}, [data?.project?.name]);
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useEffect(() => {
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load();
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const timer = setInterval(() => !document.hidden && load(), REFRESH_SECONDS * 1000);
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const onVisible = () => !document.hidden && load();
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document.addEventListener('visibilitychange', onVisible);
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return () => {
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clearInterval(timer);
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document.removeEventListener('visibilitychange', onVisible);
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};
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}, [load]);
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async function run(method, url, body) {
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setError(null);
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try {
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setData(await api(method, url, body));
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return true;
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} catch (e) {
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setError(e.message);
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load();
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return false;
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}
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}
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function chooseFilter(value) {
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setFilter(value);
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try { localStorage.setItem(FILTER_KEY, value); } catch { /* ignorieren */ }
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}
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// Erst rendern (Formular ist dann schon befüllt), dann öffnen – sonst ist das Feld kurz leer
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function open(target) {
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setEditing({ ...target, opened: Date.now() });
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}
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useEffect(() => {
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if (editing) dialog.current?.showModal();
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}, [editing]);
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const users = data?.users || [];
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const project = data?.project;
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function editProject() {
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setProjectForm({ name: project.name, description: project.description, links: project.links.map((l) => l.id), opened: Date.now() });
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}
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useEffect(() => {
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if (projectForm) projectDialog.current?.showModal();
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}, [projectForm]);
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async function saveProject(body) {
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try {
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setData(await api('PATCH', `/api/kanban/projekte/${project.id}`, body));
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return null;
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} catch (e) {
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return e.message;
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}
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}
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const mayDelete = user.isAdmin || project?.createdBy?.id === user.id;
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async function setCompleted(completed) {
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await saveProject({ completed }).then((err) => err && setError(err));
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}
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async function deleteProject() {
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const n = data.tasks.length;
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if (!window.confirm(`Kanban-Projekt „${project.name}“${n ? ` mit ${n} ${n === 1 ? 'Aufgabe' : 'Aufgaben'}` : ''} endgültig löschen?`)) return;
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try {
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await api('DELETE', `/api/kanban/projekte/${project.id}`);
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navigate('/kanban');
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} catch (e) {
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setError(e.message);
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}
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}
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if (!data) {
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return <><BackLink />{error ? <p className="error">{error}</p> : <p className="hint">Lade …</p>}</>;
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}
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const visible = (data?.tasks || []).filter((t) =>
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filter === 'alle' ? true
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: filter === 'meine' ? t.assignee === user.id
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: filter === 'niemand' ? t.assignee == null
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: t.assignee === Number(filter));
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const byColumn = Object.fromEntries(COLUMNS.map((c) => [c.key, visible.filter((t) => t.status === c.key).sort(byPriority)]));
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// ---------- Drag & Drop (Desktop) ----------
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function onDragOver(e, status) {
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if (!drag) return;
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e.preventDefault();
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e.dataTransfer.dropEffect = 'move';
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const cards = [...e.currentTarget.querySelectorAll('.task-card:not(.dragging)')];
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let index = cards.findIndex((el) => {
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const r = el.getBoundingClientRect();
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return e.clientY < r.top + r.height / 2;
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});
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if (index < 0) index = cards.length;
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if (drag.status !== status || drag.index !== index) setDrag((d) => ({ ...d, status, index }));
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}
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function onDrop(e, status) {
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e.preventDefault();
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if (!drag) return;
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// Die Karte behält ihre Priorität: einsortiert wird nur zwischen Karten derselben Stufe
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const moved = data.tasks.find((t) => t.id === drag.id);
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const cards = byColumn[status].filter((t) => t.id !== drag.id);
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const index = drag.index ?? cards.length;
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const same = cards.filter((t) => t.priority === moved.priority);
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const sameIndex = cards.slice(0, index).filter((t) => t.priority === moved.priority).length;
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const position = positionAt(same, sameIndex);
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const id = drag.id;
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setDrag(null);
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// Sofort anzeigen, der Server bestätigt mit dem neuen Stand
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setData((d) => ({ ...d, tasks: d.tasks.map((t) => (t.id === id ? { ...t, status, position } : t)).sort((a, b) => a.position - b.position) }));
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run('PATCH', `/api/kanban/aufgaben/${id}`, { status, position });
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}
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return (
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<>
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<BackLink />
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{project.completedAt && (
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<div className="notice board-completed">
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Abgeschlossen am {fmtDate(project.completedAt)}. Aufgaben lassen sich weiter bearbeiten.
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</div>
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)}
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<div className="page-head board-page-head">
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<div>
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<h1>{project.name}</h1>
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{project.description && <p className="lead board-description">{project.description}</p>}
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{project.links.length > 0 && (
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<ul className="chip-list board-links" aria-label="Verknüpfte Artikel">
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{project.links.map((a) => (
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<li key={a.id}><Link className="chip" to={`/projekte/${a.id}`}>▤ {a.title}</Link></li>
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))}
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</ul>
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)}
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</div>
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<div className="page-actions">
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<button className="btn ghost" type="button" onClick={editProject}>Bearbeiten</button>
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<button className="btn ghost" type="button" onClick={() => setCompleted(!project.completedAt)}>
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{project.completedAt ? 'Wieder öffnen' : 'Abschließen'}
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</button>
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{mayDelete && <button className="btn ghost danger-btn" type="button" onClick={deleteProject}>Löschen</button>}
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<label className="kanban-filter">
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<span>Bearbeiter</span>
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<select value={filter} onChange={(e) => chooseFilter(e.target.value)}>
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<option value="alle">Alle</option>
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<option value="meine">Mir zugeteilt</option>
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<option value="niemand">Niemandem zugeteilt</option>
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{users.filter((u) => u.id !== user.id).map((u) => <option key={u.id} value={u.id}>{u.name}</option>)}
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</select>
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</label>
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<button className="btn" type="button" onClick={() => open({ status: 'offen' })}>+ Neue Aufgabe</button>
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</div>
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</div>
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{error && <p className="error kanban-error" role="alert">{error}</p>}
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<div className="board">
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{COLUMNS.map((col) => {
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const cards = byColumn[col.key];
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const target = drag?.status === col.key;
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return (
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<section
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key={col.key}
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className={`board-column ${col.key}${target ? ' drop-target' : ''}`}
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aria-labelledby={`col-${col.key}`}
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onDragOver={(e) => onDragOver(e, col.key)}
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onDrop={(e) => onDrop(e, col.key)}
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>
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<header className="board-head">
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<h2 id={`col-${col.key}`}>{col.title} <span className="count">{cards.length}</span></h2>
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<button className="link-btn" type="button" onClick={() => open({ status: col.key })} aria-label={`Neue Aufgabe in ${col.title}`}>+</button>
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</header>
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<ul className="board-cards">
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{cards.map((task) => {
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// Gezogene Karte bleibt im DOM (sonst bricht der Browser das Ziehen ab), zählt aber nicht mit
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const index = cards.filter((t) => t.id !== drag?.id).indexOf(task);
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return (
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<li key={task.id}>
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{target && index >= 0 && drag.index === index && <div className="drop-line" aria-hidden="true" />}
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<TaskCard
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task={task}
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users={users}
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dragging={drag?.id === task.id}
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onOpen={() => open({ task })}
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onDragStart={(e) => {
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e.dataTransfer.effectAllowed = 'move';
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e.dataTransfer.setData('text/plain', String(task.id));
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// Erst im nächsten Frame markieren, sonst fehlt die Karte im Drag-Bild
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requestAnimationFrame(() => setDrag({ id: task.id, status: null, index: null }));
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}}
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onDragEnd={() => setDrag(null)}
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/>
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</li>
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);
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})}
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{target && drag.index >= cards.filter((t) => t.id !== drag.id).length && <li className="drop-line" aria-hidden="true" />}
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{cards.length === 0 && !target && <li className="board-empty">Keine Aufgaben</li>}
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</ul>
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</section>
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);
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})}
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</div>
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<TaskDialog
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key={`aufgabe-${editing?.opened ?? 'zu'}`}
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ref={dialog}
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target={editing}
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users={users}
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me={user}
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onSave={(taskId, body) => run(taskId ? 'PATCH' : 'POST', taskId ? `/api/kanban/aufgaben/${taskId}` : `/api/kanban/projekte/${project.id}/aufgaben`, body)}
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onDelete={(taskId) => run('DELETE', `/api/kanban/aufgaben/${taskId}`)}
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/>
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<KanbanProjectDialog
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key={`projekt-${projectForm?.opened ?? 'zu'}`}
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ref={projectDialog}
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initial={projectForm}
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articles={data.articles}
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onSave={saveProject}
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/>
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</>
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);
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}
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function BackLink() {
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return <Link className="back" to="/kanban">← Alle Projekte</Link>;
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}
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function Assignee({ id, users }) {
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const person = users.find((u) => u.id === id);
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if (!person) return <span className="assignee none">Niemand</span>;
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return (
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<span className="assignee">
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<span className="avatar" aria-hidden="true">{initials(person.name)}</span>
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{person.name}
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</span>
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);
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}
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function TaskCard({ task, users, dragging, onOpen, onDragStart, onDragEnd }) {
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return (
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<button
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type="button"
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className={`task-card prio-card-${task.priority}${dragging ? ' dragging' : ''}`}
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draggable
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onDragStart={onDragStart}
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onDragEnd={onDragEnd}
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onClick={onOpen}
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>
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<span className="task-top">
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<strong className="task-title">{task.title}</strong>
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{task.priority !== 'mittel' && (
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<span className={`prio prio-${task.priority}`} title={`Priorität: ${PRIORITIES.find((p) => p.key === task.priority)?.title}`}>
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{PRIORITIES.find((p) => p.key === task.priority)?.title}
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</span>
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)}
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</span>
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{task.description && <span className="task-desc">{task.description}</span>}
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<span className="task-meta">
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<Assignee id={task.assignee} users={users} />
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</span>
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</button>
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);
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}
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function TaskDialog({ ref, target, users, me, onSave, onDelete }) {
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const task = target?.task;
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// Wird pro Öffnen neu erzeugt (key), daher direkt aus den Daten vorbelegen
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const [form, setForm] = useState(() => (task
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? { title: task.title, description: task.description, status: task.status, assignee: task.assignee ?? '', priority: task.priority || 'mittel' }
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: { title: '', description: '', status: target?.status || 'offen', assignee: '', priority: 'mittel' }));
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const [busy, setBusy] = useState(false);
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const field = (name) => ({ value: form[name], onChange: (e) => setForm((f) => ({ ...f, [name]: e.target.value })) });
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const canDelete = task && (me.isAdmin || task.createdBy?.id === me.id);
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async function submit(e) {
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e.preventDefault();
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setBusy(true);
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const ok = await onSave(task?.id, {
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title: form.title,
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description: form.description,
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status: form.status,
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assignee: form.assignee === '' ? null : Number(form.assignee),
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priority: form.priority,
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});
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setBusy(false);
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if (ok) ref.current.close();
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}
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async function remove() {
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if (!window.confirm(`Aufgabe „${task.title}“ löschen?`)) return;
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setBusy(true);
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const ok = await onDelete(task.id);
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setBusy(false);
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if (ok) ref.current.close();
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}
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return (
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<dialog className="modal task-dialog" ref={ref}>
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<form className="form" onSubmit={submit}>
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<h2>{task ? 'Aufgabe bearbeiten' : 'Neue Aufgabe'}</h2>
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<label>
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Titel
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<input {...field('title')} maxLength={120} required autoFocus />
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</label>
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<label>
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Beschreibung
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<textarea {...field('description')} rows={6} maxLength={5000} placeholder="Was ist zu tun? Details, Links, Notizen …" />
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</label>
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<div className="task-dialog-row">
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<label>
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Status
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<select {...field('status')}>
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{COLUMNS.map((c) => <option key={c.key} value={c.key}>{c.title}</option>)}
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</select>
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</label>
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<label>
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Priorität
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<select {...field('priority')}>
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{PRIORITIES.map((p) => <option key={p.key} value={p.key}>{p.title}</option>)}
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</select>
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</label>
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<label>
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Bearbeiter
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<select {...field('assignee')}>
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<option value="">Niemand</option>
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{users.map((u) => <option key={u.id} value={u.id}>{u.name}{u.id === me.id ? ' (ich)' : ''}</option>)}
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</select>
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</label>
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</div>
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{task && (
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<p className="hint task-history">
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Angelegt von {personName(task.createdBy)} am {fmtDate(task.createdAt)}
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{task.updatedAt !== task.createdAt && <> · zuletzt geändert von {personName(task.updatedBy)} am {fmtDate(task.updatedAt)}</>}
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</p>
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)}
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<div className="form-actions">
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{canDelete && <button className="link-btn danger task-delete" type="button" disabled={busy} onClick={remove}>Löschen</button>}
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<button className="btn ghost" type="button" onClick={() => ref.current.close()}>Abbrechen</button>
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<button className="btn" type="submit" disabled={busy}>{task ? 'Speichern' : 'Anlegen'}</button>
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</div>
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</form>
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</dialog>
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);
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}
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