guyg1474andClaude Opus 5.5
9df0e38f52
- Checkliste je Aufgabe (Tabelle kanban_checklist): im Dialog anlegen, abhaken, entfernen; Karte zeigt den Fortschritt - "Setzt voraus" (Tabelle kanban_dependencies): Aufgabe ist gesperrt und bleibt in "Offen", bis alle Voraussetzungen erledigt sind; nur innerhalb eines Projekts, Kreise und Selbstbezug werden abgelehnt; gelöschte Voraussetzungen entsperren, archivierte zählen als erledigt - Ziehen einer gesperrten Karte aus "Offen" zeigt, worauf sie wartet - Migrationen: Tabellen-Neuaufbau über Zwischennamen, damit Fremdschlüssel anderer Tabellen nicht auf die gelöschte Alt-Tabelle umgebogen werden (Test für ganz alte Datenbanken) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
527 lines
22 KiB
Python
527 lines
22 KiB
Python
"""Kanban: Projekte (je ein Board) → Aufgaben mit Status, Bearbeiter und Beschreibung.
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Alles ist für alle Konten gemeinsam. Löschen dürfen nur, wer etwas angelegt hat, und Administratoren.
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Projekte lassen sich als abgeschlossen markieren und mit Artikeln aus "P42 Projekte" verknüpfen.
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`position` (Kommazahl) sortiert Projekte und Aufgaben innerhalb einer Spalte.
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Erledigte Aufgaben wandern nach 2 Tagen ins Archiv und werden nach 14 Tagen gelöscht (gezählt ab "erledigt").
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"""
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import asyncio
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import logging
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import math
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from datetime import timedelta
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from fastapi import APIRouter, Body, Depends, HTTPException
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from .auth import current_user
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from .common import ValidationError, clean_text, iso_after, iso_ago, now_iso, user_list
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from .db import transaction
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router = APIRouter()
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STATUSES = ("offen", "arbeit", "wartet", "erledigt")
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MAX_NAME = 80
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MAX_TITLE = 120
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MAX_DESCRIPTION = 5000
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MAX_TASKS = 1000 # pro Projekt
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MAX_PROJECTS = 300
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MAX_LINKS = 20
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MAX_CHECKLIST = 100
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MAX_CHECK_TEXT = 200
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MAX_REQUIRES = 30
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ARCHIVE_AFTER = timedelta(days=2)
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DELETE_AFTER = timedelta(days=14)
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CLEANUP_SECONDS = 3600
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log = logging.getLogger(__name__)
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def cleanup(conn) -> int:
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"""Seit 14 Tagen erledigte Aufgaben löschen."""
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return conn.execute(
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"DELETE FROM kanban_tasks WHERE status = 'erledigt' AND done_at <= ?", (iso_ago(DELETE_AFTER),)
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).rowcount
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async def cleanup_loop() -> None:
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"""Stündlich aufräumen, auch wenn niemand das Kanban öffnet."""
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while True:
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try:
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with transaction() as conn:
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cleanup(conn)
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except Exception: # nie die Schleife beenden
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log.exception("Kanban-Aufräumen fehlgeschlagen")
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await asyncio.sleep(CLEANUP_SECONDS)
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def _person(user_id, name) -> dict | None:
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return {"id": user_id, "name": name} if user_id is not None and name else None
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def _may_delete(user: dict, created_by) -> bool:
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return user["isAdmin"] or created_by == user["id"]
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# ---------- Eingaben prüfen ----------
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def _name(value, field="Name", max_len=MAX_NAME) -> str:
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return clean_text(value, field, max_len)
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def _description(value) -> str:
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if value is None:
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return ""
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if not isinstance(value, str):
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raise ValidationError("Ungültige Beschreibung.")
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text = value.replace("\r\n", "\n").strip()
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if len(text) > MAX_DESCRIPTION:
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raise ValidationError(f"Beschreibung ist zu lang (max. {MAX_DESCRIPTION} Zeichen).")
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return text
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PRIORITIES = {"hoch": 1, "mittel": 2, "niedrig": 3}
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PRIORITY_NAMES = {v: k for k, v in PRIORITIES.items()}
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def _priority(value) -> int:
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if value not in PRIORITIES:
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raise ValidationError("Unbekannte Priorität.")
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return PRIORITIES[value]
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def _status(value) -> str:
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if value not in STATUSES:
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raise ValidationError("Unbekannter Status.")
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return value
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def _assignee(conn, value):
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if value is None:
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return None
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if isinstance(value, bool) or not isinstance(value, int) or not conn.execute(
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"SELECT 1 FROM users WHERE id = ?", (value,)
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).fetchone():
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raise ValidationError("Unbekannter Bearbeiter.")
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return value
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def _position(value) -> float:
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if isinstance(value, bool) or not isinstance(value, (int, float)) or not math.isfinite(value):
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raise ValidationError("Ungültige Position.")
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return float(value)
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def _links(conn, value) -> list:
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if value is None:
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return []
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if not isinstance(value, list) or len(value) > MAX_LINKS or not all(isinstance(v, str) for v in value):
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raise ValidationError("Ungültige Artikel-Verknüpfung.")
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ids = list(dict.fromkeys(value))
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found = {r["id"] for r in conn.execute(
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f"SELECT id FROM projects WHERE id IN ({','.join('?' * len(ids))})", ids
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)} if ids else set()
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if len(found) != len(ids):
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raise ValidationError("Ein verknüpfter Artikel existiert nicht mehr.")
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return ids
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def _next(conn, table: str, where: str = "", args: tuple = ()) -> float:
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# table/where kommen nur aus diesem Modul, nie aus Anfragen
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row = conn.execute(f"SELECT MAX(position) FROM {table} {where}", args).fetchone()
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return (row[0] or 0) + 1
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# ---------- Ausgabe ----------
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def _project_links(conn) -> dict:
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links = {}
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for r in conn.execute(
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"""SELECT l.project_id, p.id, p.title FROM kanban_project_links l
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JOIN projects p ON p.id = l.article_id ORDER BY p.title COLLATE NOCASE"""
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):
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links.setdefault(r["project_id"], []).append({"id": r["id"], "title": r["title"]})
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return links
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def _projects(conn, project_id=None) -> list:
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rows = conn.execute(
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"""SELECT k.*, cu.display_name AS created_by_name, uu.display_name AS updated_by_name
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FROM kanban_projects k
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LEFT JOIN users cu ON cu.id = k.created_by
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LEFT JOIN users uu ON uu.id = k.updated_by"""
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+ (" WHERE k.id = ?" if project_id is not None else "")
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+ " ORDER BY k.position",
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(project_id,) if project_id is not None else (),
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).fetchall()
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counts = {}
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for r in conn.execute("SELECT project_id, status, COUNT(*) AS n FROM kanban_tasks GROUP BY project_id, status"):
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counts.setdefault(r["project_id"], dict.fromkeys(STATUSES, 0))[r["status"]] = r["n"]
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links = _project_links(conn)
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return [
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{
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"id": r["id"],
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"name": r["name"],
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"description": r["description"],
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"position": r["position"],
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"completedAt": r["completed_at"],
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"links": links.get(r["id"], []),
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"counts": counts.get(r["id"], dict.fromkeys(STATUSES, 0)),
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"createdAt": r["created_at"],
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"createdBy": _person(r["created_by"], r["created_by_name"]),
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"updatedAt": r["updated_at"],
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"updatedBy": _person(r["updated_by"], r["updated_by_name"]),
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}
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for r in rows
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]
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def _overview(conn) -> dict:
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cleanup(conn)
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articles = conn.execute("SELECT id, title FROM projects ORDER BY title COLLATE NOCASE").fetchall()
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return {
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"projects": _projects(conn),
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"articles": [{"id": a["id"], "title": a["title"]} for a in articles],
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"users": user_list(conn),
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}
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def _task(row) -> dict:
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return {
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"id": row["id"],
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"projectId": row["project_id"],
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"title": row["title"],
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"description": row["description"],
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"status": row["status"],
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"assignee": row["assignee"],
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"priority": PRIORITY_NAMES[row["priority"]],
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"position": row["position"],
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"doneAt": row["done_at"],
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"checklist": [],
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"requires": [],
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"blocked": False,
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"createdAt": row["created_at"],
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"createdBy": _person(row["created_by"], row["created_by_name"]),
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"updatedAt": row["updated_at"],
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"updatedBy": _person(row["updated_by"], row["updated_by_name"]),
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}
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def _task_extras(conn, project_id: int) -> dict:
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"""Checklisten, Voraussetzungen und "gesperrt" für alle Aufgaben eines Projekts."""
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extras = {}
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for r in conn.execute(
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"""SELECT c.* FROM kanban_checklist c JOIN kanban_tasks t ON t.id = c.task_id
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WHERE t.project_id = ? ORDER BY c.task_id, c.position""",
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(project_id,),
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):
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extras.setdefault(r["task_id"], {"checklist": [], "requires": [], "blocked": False})["checklist"].append(
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{"id": r["id"], "text": r["text"], "done": bool(r["done"])}
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)
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for r in conn.execute(
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"""SELECT d.task_id, d.requires_id, rt.status FROM kanban_dependencies d
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JOIN kanban_tasks t ON t.id = d.task_id JOIN kanban_tasks rt ON rt.id = d.requires_id
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WHERE t.project_id = ?""",
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(project_id,),
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):
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e = extras.setdefault(r["task_id"], {"checklist": [], "requires": [], "blocked": False})
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e["requires"].append(r["requires_id"])
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e["blocked"] = e["blocked"] or r["status"] != "erledigt"
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return extras
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def _open_requirements(conn, task_id: int) -> list:
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"""Titel der noch nicht erledigten Voraussetzungen einer Aufgabe."""
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return [r["title"] for r in conn.execute(
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"""SELECT t.title FROM kanban_dependencies d JOIN kanban_tasks t ON t.id = d.requires_id
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WHERE d.task_id = ? AND t.status != 'erledigt' ORDER BY t.title""",
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(task_id,),
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)]
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def _checklist(value) -> list:
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if not isinstance(value, list) or len(value) > MAX_CHECKLIST:
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raise ValidationError(f"Ungültige Checkliste (max. {MAX_CHECKLIST} Punkte).")
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items = []
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for item in value:
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if not isinstance(item, dict) or not isinstance(item.get("done", False), bool):
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raise ValidationError("Ungültiger Checklisten-Punkt.")
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items.append((_name(item.get("text"), "Checklisten-Punkt", MAX_CHECK_TEXT), item.get("done", False)))
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return items
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def _save_checklist(conn, task_id: int, items: list) -> None:
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conn.execute("DELETE FROM kanban_checklist WHERE task_id = ?", (task_id,))
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conn.executemany(
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"INSERT INTO kanban_checklist (task_id, text, done, position) VALUES (?, ?, ?, ?)",
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[(task_id, text, int(done), i) for i, (text, done) in enumerate(items)],
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)
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def _requires(conn, value, project_id: int, task_id=None) -> list:
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"""Voraussetzungen prüfen: Aufgaben desselben Projekts, nicht sie selbst, keine Kreise."""
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if not isinstance(value, list) or len(value) > MAX_REQUIRES or any(isinstance(v, bool) or not isinstance(v, int) for v in value):
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raise ValidationError("Ungültige Voraussetzungen.")
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ids = list(dict.fromkeys(value))
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if task_id in ids:
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raise ValidationError("Eine Aufgabe kann nicht sich selbst voraussetzen.")
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if ids:
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found = {r[0] for r in conn.execute(
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f"SELECT id FROM kanban_tasks WHERE project_id = ? AND id IN ({','.join('?' * len(ids))})", (project_id, *ids)
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)}
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if found != set(ids):
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raise ValidationError("Voraussetzungen müssen Aufgaben aus diesem Projekt sein.")
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if task_id is not None:
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# Kreis: hängt eine der Voraussetzungen (über Umwege) von dieser Aufgabe ab?
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seen, todo = set(), list(ids)
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while todo:
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current = todo.pop()
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if current == task_id:
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raise ValidationError("Das ergäbe einen Kreis: diese Aufgabe ist selbst Voraussetzung einer der gewählten.")
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if current in seen:
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continue
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seen.add(current)
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todo += [r[0] for r in conn.execute("SELECT requires_id FROM kanban_dependencies WHERE task_id = ?", (current,))]
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return ids
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def _save_requires(conn, task_id: int, ids: list) -> None:
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conn.execute("DELETE FROM kanban_dependencies WHERE task_id = ?", (task_id,))
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conn.executemany("INSERT INTO kanban_dependencies (task_id, requires_id) VALUES (?, ?)", [(task_id, r) for r in ids])
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def _ensure_unlocked(conn, task_id: int, status: str) -> None:
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"""Gesperrte Aufgaben bleiben in "Offen", bis alle Voraussetzungen erledigt sind."""
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if status != "offen" and (missing := _open_requirements(conn, task_id)):
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raise ValidationError("Gesperrt – erst erledigen: " + ", ".join(f"„{t}“" for t in missing))
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def _board(conn, project_id: int) -> dict:
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projects = _projects(conn, project_id)
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if not projects:
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raise HTTPException(404, "Kanban-Projekt nicht gefunden – vielleicht wurde es gerade gelöscht.")
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project = projects[0]
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cleanup(conn)
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tasks = conn.execute(
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"""SELECT t.*, cu.display_name AS created_by_name, uu.display_name AS updated_by_name
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FROM kanban_tasks t
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LEFT JOIN users cu ON cu.id = t.created_by
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LEFT JOIN users uu ON uu.id = t.updated_by
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WHERE t.project_id = ? ORDER BY t.status, t.priority, t.position""",
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(project_id,),
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).fetchall()
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articles = conn.execute("SELECT id, title FROM projects ORDER BY title COLLATE NOCASE").fetchall()
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archive_before = iso_ago(ARCHIVE_AFTER)
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archived = sorted(
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(r for r in tasks if r["status"] == "erledigt" and r["done_at"] and r["done_at"] <= archive_before),
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key=lambda r: r["done_at"],
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reverse=True,
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)
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archived_ids = {r["id"] for r in archived}
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extras = _task_extras(conn, project_id)
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return {
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"project": project,
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"tasks": [{**_task(r), **extras.get(r["id"], {})} for r in tasks if r["id"] not in archived_ids],
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# Archiv: nur mit eigenem Button sichtbar; deleteAt = automatisches Löschen
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"archived": [
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{**_task(r), **extras.get(r["id"], {}), "deleteAt": iso_after(r["done_at"], DELETE_AFTER)} for r in archived
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],
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"users": user_list(conn),
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"articles": [{"id": a["id"], "title": a["title"]} for a in articles],
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}
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def _save_links(conn, project_id: int, links: list) -> None:
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conn.execute("DELETE FROM kanban_project_links WHERE project_id = ?", (project_id,))
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conn.executemany(
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"INSERT INTO kanban_project_links (project_id, article_id) VALUES (?, ?)", [(project_id, a) for a in links]
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)
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# ---------- Übersicht ----------
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@router.get("/api/kanban")
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def get_overview(_: dict = Depends(current_user)):
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with transaction() as conn:
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return _overview(conn)
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# ---------- Projekte ----------
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@router.post("/api/kanban/projekte", status_code=201)
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def create_project(data: dict = Body(...), user: dict = Depends(current_user)):
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name = _name(data.get("name"))
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description = _description(data.get("description"))
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with transaction() as conn:
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links = _links(conn, data.get("links"))
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if conn.execute("SELECT COUNT(*) FROM kanban_projects").fetchone()[0] >= MAX_PROJECTS:
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raise ValidationError(f"Maximal {MAX_PROJECTS} Kanban-Projekte.")
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now = now_iso()
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project_id = conn.execute(
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"""INSERT INTO kanban_projects (name, description, position, created_at, created_by, updated_at, updated_by)
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VALUES (?, ?, ?, ?, ?, ?, ?)""",
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(name, description, _next(conn, "kanban_projects"), now, user["id"], now, user["id"]),
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).lastrowid
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_save_links(conn, project_id, links)
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return {"id": project_id, **_overview(conn)}
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@router.get("/api/kanban/projekte/{project_id}")
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def get_board(project_id: int, _: dict = Depends(current_user)):
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with transaction() as conn:
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return _board(conn, project_id)
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@router.patch("/api/kanban/projekte/{project_id}")
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def update_project(project_id: int, data: dict = Body(...), user: dict = Depends(current_user)):
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with transaction() as conn:
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if not conn.execute("SELECT 1 FROM kanban_projects WHERE id = ?", (project_id,)).fetchone():
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raise HTTPException(404, "Kanban-Projekt nicht gefunden.")
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values = {}
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if "name" in data:
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values["name"] = _name(data["name"])
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if "description" in data:
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values["description"] = _description(data["description"])
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if "completed" in data:
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if not isinstance(data["completed"], bool):
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raise ValidationError("Ungültiger Wert für abgeschlossen.")
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values["completed_at"] = now_iso() if data["completed"] else None
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if "links" in data:
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_save_links(conn, project_id, _links(conn, data["links"]))
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values.update(updated_at=now_iso(), updated_by=user["id"])
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columns = ", ".join(f"{k} = ?" for k in values) # Schlüssel stammen nur aus der Liste oben
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conn.execute(f"UPDATE kanban_projects SET {columns} WHERE id = ?", (*values.values(), project_id))
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return _board(conn, project_id)
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@router.delete("/api/kanban/projekte/{project_id}")
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def delete_project(project_id: int, user: dict = Depends(current_user)):
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with transaction() as conn:
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row = conn.execute("SELECT * FROM kanban_projects WHERE id = ?", (project_id,)).fetchone()
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if not row:
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raise HTTPException(404, "Kanban-Projekt nicht gefunden.")
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if not _may_delete(user, row["created_by"]):
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raise HTTPException(403, "Nur wer das Projekt angelegt hat oder ein Administrator darf es löschen.")
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conn.execute("DELETE FROM kanban_projects WHERE id = ?", (project_id,)) # Aufgaben & Links per CASCADE
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return _overview(conn)
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# ---------- Aufgaben ----------
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def _get_task(conn, task_id: int):
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row = conn.execute("SELECT * FROM kanban_tasks WHERE id = ?", (task_id,)).fetchone()
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if not row:
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raise HTTPException(404, "Aufgabe nicht gefunden – vielleicht wurde sie gerade gelöscht.")
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return row
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def _end_of(conn, project_id: int, status: str) -> float:
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return _next(conn, "kanban_tasks", "WHERE project_id = ? AND status = ?", (project_id, status))
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@router.post("/api/kanban/projekte/{project_id}/aufgaben", status_code=201)
|
||
def create_task(project_id: int, data: dict = Body(...), user: dict = Depends(current_user)):
|
||
title = _name(data.get("title"), "Titel", MAX_TITLE)
|
||
description = _description(data.get("description"))
|
||
status = _status(data.get("status", "offen"))
|
||
priority = _priority(data.get("priority", "mittel"))
|
||
checklist = _checklist(data.get("checklist", []))
|
||
with transaction() as conn:
|
||
if not conn.execute("SELECT 1 FROM kanban_projects WHERE id = ?", (project_id,)).fetchone():
|
||
raise HTTPException(404, "Kanban-Projekt nicht gefunden.")
|
||
requires = _requires(conn, data.get("requires", []), project_id)
|
||
if conn.execute("SELECT COUNT(*) FROM kanban_tasks WHERE project_id = ?", (project_id,)).fetchone()[0] >= MAX_TASKS:
|
||
raise ValidationError(f"Maximal {MAX_TASKS} Aufgaben pro Projekt. Bitte erledigte Aufgaben löschen.")
|
||
now = now_iso()
|
||
conn.execute(
|
||
"""INSERT INTO kanban_tasks (project_id, title, description, status, assignee, priority, position,
|
||
done_at, created_at, created_by, updated_at, updated_by)
|
||
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)""",
|
||
(project_id, title, description, status, _assignee(conn, data.get("assignee")), priority,
|
||
_end_of(conn, project_id, status), now if status == "erledigt" else None, now, user["id"], now, user["id"]),
|
||
)
|
||
task_id = conn.execute("SELECT last_insert_rowid()").fetchone()[0]
|
||
_save_checklist(conn, task_id, checklist)
|
||
_save_requires(conn, task_id, requires)
|
||
_ensure_unlocked(conn, task_id, status)
|
||
return _board(conn, project_id)
|
||
|
||
|
||
@router.patch("/api/kanban/aufgaben/{task_id}")
|
||
def update_task(task_id: int, data: dict = Body(...), user: dict = Depends(current_user)):
|
||
"""Felder einzeln ändern. Neuer Status oder neue Priorität ohne Position: ans Ende der Stufe."""
|
||
with transaction() as conn:
|
||
row = _get_task(conn, task_id)
|
||
values = {}
|
||
if "title" in data:
|
||
values["title"] = _name(data["title"], "Titel", MAX_TITLE)
|
||
if "description" in data:
|
||
values["description"] = _description(data["description"])
|
||
if "assignee" in data:
|
||
values["assignee"] = _assignee(conn, data["assignee"])
|
||
if "status" in data:
|
||
values["status"] = _status(data["status"])
|
||
if values["status"] != row["status"]:
|
||
# Erledigt-Uhr starten bzw. beim Zurückholen aus "erledigt" anhalten
|
||
values["done_at"] = now_iso() if values["status"] == "erledigt" else None
|
||
if "priority" in data:
|
||
values["priority"] = _priority(data["priority"])
|
||
if "position" in data:
|
||
values["position"] = _position(data["position"])
|
||
elif values.get("status", row["status"]) != row["status"] or values.get("priority", row["priority"]) != row["priority"]:
|
||
# Neue Spalte oder neue Priorität: ans Ende (innerhalb der Stufe, da nach Priorität sortiert wird)
|
||
values["position"] = _end_of(conn, row["project_id"], values.get("status", row["status"]))
|
||
changed = bool(values)
|
||
if "checklist" in data:
|
||
_save_checklist(conn, task_id, _checklist(data["checklist"]))
|
||
changed = True
|
||
if "requires" in data:
|
||
_save_requires(conn, task_id, _requires(conn, data["requires"], row["project_id"], task_id))
|
||
changed = True
|
||
# Gesperrt: darf nicht aus "Offen" heraus. War sie schon weiter, bleibt sie, wo sie ist.
|
||
if values.get("status", row["status"]) != row["status"]:
|
||
_ensure_unlocked(conn, task_id, values["status"])
|
||
if changed:
|
||
values.update(updated_at=now_iso(), updated_by=user["id"])
|
||
columns = ", ".join(f"{k} = ?" for k in values) # Schlüssel stammen nur aus der Liste oben
|
||
conn.execute(f"UPDATE kanban_tasks SET {columns} WHERE id = ?", (*values.values(), task_id))
|
||
return _board(conn, row["project_id"])
|
||
|
||
|
||
@router.post("/api/kanban/aufgaben/{task_id}/zurueckholen")
|
||
def restore_task(task_id: int, user: dict = Depends(current_user)):
|
||
"""Archivierte Aufgabe zurück in die Spalte "Erledigt"; Archiv- und Lösch-Frist beginnen neu."""
|
||
with transaction() as conn:
|
||
row = _get_task(conn, task_id)
|
||
now = now_iso()
|
||
conn.execute(
|
||
"UPDATE kanban_tasks SET status = 'erledigt', done_at = ?, updated_at = ?, updated_by = ? WHERE id = ?",
|
||
(now, now, user["id"], task_id),
|
||
)
|
||
return _board(conn, row["project_id"])
|
||
|
||
|
||
@router.delete("/api/kanban/aufgaben/{task_id}")
|
||
def delete_task(task_id: int, user: dict = Depends(current_user)):
|
||
with transaction() as conn:
|
||
row = _get_task(conn, task_id)
|
||
if not _may_delete(user, row["created_by"]):
|
||
raise HTTPException(403, "Nur wer die Aufgabe angelegt hat oder ein Administrator darf sie löschen.")
|
||
conn.execute("DELETE FROM kanban_tasks WHERE id = ?", (task_id,))
|
||
return _board(conn, row["project_id"])
|
||
|
||
|
||
# ---------- Für die Artikelseite ----------
|
||
|
||
|
||
def boards_for_article(conn, article_id: str) -> list:
|
||
rows = conn.execute(
|
||
"""SELECT k.id, k.name FROM kanban_project_links l JOIN kanban_projects k ON k.id = l.project_id
|
||
WHERE l.article_id = ? ORDER BY k.name COLLATE NOCASE""",
|
||
(article_id,),
|
||
).fetchall()
|
||
return [{"id": r["id"], "name": r["name"]} for r in rows]
|