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Inventarsystem/Web/modules/terminplaner/blueprint.py
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from flask import Blueprint, render_template, request, session, url_for, redirect, flash
from flask import Response
import Web.modules.terminplaner.backend_server as appointment_service
import Web.modules.database.settings as cfg
import Web.modules.database.termine as termin
import Web.modules.database.user as us
import csv
import io
from flask import make_response, flash, redirect, url_for, session
# Create a blueprint instance
appoint_bp = Blueprint('terminplaner', __name__)
def _require_module_enabled():
if not cfg.MODULES.is_enabled('terminplan'):
flash('Der Terminplaner ist deaktiviert.', 'info')
return redirect(url_for('home'))
return None
def _appointment_not_found_response():
return render_template(
'terminplaner_not_found.html',
error_code=404,
error_message='Der Termin wurde nicht gefunden.',
), 404
def _current_tenant_id():
try:
from Web.tenant import get_tenant_context
ctx = get_tenant_context()
if ctx and getattr(ctx, 'tenant_id', None):
return str(ctx.tenant_id)
except Exception:
pass
return str(session.get('tenant_id', '') or '').strip()
@appoint_bp.route('/client/<appointment_id>/export_csv')
def export_csv(appointment_id):
"""
Generiert einen CSV-Export aller Buchungen für den Ersteller.
"""
# 1. Berechtigungsprüfung (analog zur Client-Route)
current_user = str(session.get('username', '') or '').strip()
appointment_item = termin.get_item(appointment_id) or {}
appointment_owner = str(appointment_item.get('user', '') or '').strip()
can_view = False
if current_user:
try:
can_view = bool(us.check_admin(current_user) or current_user == appointment_owner)
except Exception:
can_view = bool(current_user == appointment_owner)
if not can_view:
flash('Nicht autorisiert für diesen Export.', 'error')
return redirect(url_for('terminplaner.client', appointment_id=appointment_id))
custom_fields = appointment_item.get('custom_fields', [])
bookings = appointment_item.get('slots_booked', []) or []
# 2. CSV im Speicher erstellen
si = io.StringIO()
# Wir nutzen ein Semikolon als Trennzeichen das öffnet Excel im deutschsprachigen Raum direkt fehlerfrei
cw = csv.writer(si, delimiter=';', quoting=csv.QUOTE_MINIMAL)
# Tabellenkopf schreiben
headers = ['Zeitpunkt', 'Name'] + list(custom_fields)
cw.writerow(headers)
# Datenzeilen schreiben
for booking in bookings:
if isinstance(booking, (list, tuple)):
row = [booking[0], booking[1]]
# Antworten holen und sicherstellen, dass Lücken (falls vorhanden) mit Leerstrings gefüllt werden
answers = booking[2] if len(booking) > 2 else []
for i in range(len(custom_fields)):
if i < len(answers):
row.append(answers[i])
else:
row.append('')
cw.writerow(row)
# 3. Response vorbereiten und UTF-8-BOM für Excel mitsenden
response_content = si.getvalue()
output = make_response(response_content)
output.data = b'\xef\xbb\xbf' + output.data
# Dateiname generieren
title_slug = appointment_item.get('title', 'export').replace(' ', '_')
output.headers["Content-Disposition"] = f"attachment; filename=buchungen_{title_slug}.csv"
output.headers["Content-Type"] = "text/csv; charset=utf-8"
return output
@appoint_bp.route('/client/<appointment_id>', methods=['POST', 'GET'])
def client(appointment_id):
"""
The Route for the terminplaner to work with the client and allow owners to manage it.
"""
guard = _require_module_enabled()
if guard:
return guard
available = appointment_service.get_available(appointment_id)
if not available:
return _appointment_not_found_response()
current_user = str(session.get('username', '') or '').strip()
appointment_item = termin.get_item(appointment_id) or {}
appointment_owner = str(appointment_item.get('user', '') or '').strip()
custom_fields = appointment_item.get('custom_fields', [])
# Permissions check
can_view_booking_names = False
if current_user:
try:
can_view_booking_names = bool(us.check_admin(current_user) or current_user == appointment_owner)
except Exception:
can_view_booking_names = bool(current_user == appointment_owner)
# Sanitize data for public/client view
available_for_view = dict(available)
if not can_view_booking_names:
sanitized_bookings = []
for booking in (available.get('slots_booked') or []):
if isinstance(booking, dict):
sanitized_bookings.append({'start': booking.get('start', '')})
elif isinstance(booking, (list, tuple)) and len(booking) >= 1:
sanitized_bookings.append({'start': booking[0]})
else:
sanitized_bookings.append({'start': ''})
available_for_view['slots_booked'] = sanitized_bookings
if request.method == 'POST':
action = request.form.get('action', 'book')
# Case 1: Admin/Owner cancels a booking
if action == 'delete' and can_view_booking_names:
slot_time = request.form.get('slot_time')
client_name = request.form.get('target_client_name')
current_slots = appointment_item.get('slots_booked', []) or []
# Keep everything EXCEPT the item targeted for deletion
updated_slots = [
slot for slot in current_slots
if not (isinstance(slot, (list, tuple)) and slot[0] == slot_time and slot[1] == client_name)
]
if termin.update(appointment_id, updated_slots):
flash('Buchung wurde erfolgreich gelöscht.', 'success')
else:
flash('Fehler beim Löschen der Buchung.', 'error')
return redirect(url_for('terminplaner.client', appointment_id=appointment_id, tenant=_current_tenant_id() or None))
# Case 2: Client books a slot
elif action == 'book':
start_daytime = request.form.get('start_day_time')
username = request.form.get('client_name')
custom_answers = tuple(request.form.getlist('custom_answers')) # Cast to tuple for DB safety
if not start_daytime or not username:
flash('Bitte Name und gewünschte Uhrzeit angeben.', 'error')
return render_template(
'termin_client.html',
appointment_id=appointment_id,
available=available_for_view,
current_user=session.get('username', ''),
tenant_id=_current_tenant_id(),
can_view_booking_names=can_view_booking_names,
custom_fields=custom_fields
)
if appointment_service.book_slot(appointment_id, start_daytime, username, custom=custom_answers):
return redirect(
url_for(
'terminplaner.client_success',
appointment_id=appointment_id,
tenant=_current_tenant_id() or None,
start=start_daytime,
name=username,
)
)
flash('Der Termin konnte nicht gespeichert werden. Eventuell ist der Slot bereits voll.', 'error')
return render_template(
'termin_client.html',
appointment_id=appointment_id,
available=available_for_view,
current_user=session.get('username', ''),
tenant_id=_current_tenant_id(),
can_view_booking_names=can_view_booking_names,
custom_fields=custom_fields,
appointment_item=appointment_item
)
@appoint_bp.route('/client/success/<appointment_id>', methods=['GET'])
def client_success(appointment_id):
guard = _require_module_enabled()
if guard:
return guard
slot_start = str(request.args.get('start', '') or '').strip()
client_name = str(request.args.get('name', '') or '').strip()
return render_template(
'termin_client_success.html',
appointment_id=appointment_id,
slot_start=slot_start,
client_name=client_name,
tenant_id=_current_tenant_id(),
)
@appoint_bp.route('/delete/<appointment_id>', methods=['POST'])
def delete_appointment(appointment_id):
guard = _require_module_enabled()
if guard:
return guard
if 'username' not in session:
flash('Bitte mit einem Konto anmelden.', 'error')
return redirect(url_for('login'))
appointment = termin.get_item(appointment_id)
if not appointment:
return _appointment_not_found_response()
current_user = str(session.get('username', '')).strip()
appointment_user = str(appointment.get('user', '')).strip()
if not us.check_admin(current_user) and appointment_user != current_user:
flash('Sie dürfen diesen Termin nicht löschen.', 'error')
return redirect(url_for('terminplaner.main', tenant=_current_tenant_id() or None))
if termin.remove(appointment_id):
flash('Der Terminplan wurde gelöscht.', 'success')
else:
flash('Der Terminplan konnte nicht gelöscht werden.', 'error')
return redirect(url_for('terminplaner.main', tenant=_current_tenant_id() or None))
@appoint_bp.route('/configure', methods=['GET', 'POST'])
def configure():
"""
Route for authenticated persons to configure a new appointment schedule
"""
guard = _require_module_enabled()
if guard:
return guard
if 'username' not in session:
flash('Bitte mit einem Konto anmelden.', 'error')
return redirect(url_for('login'))
if request.method == "POST":
start = request.form.get('start_date')
end = request.form.get('end_date')
time = request.form.get('time_frame')
slots_amount = request.form.get('slots_amounts')
slot_length = request.form.get('slot_length')
mail = request.form.get('mail', '')
note = request.form.get('note', '')
add_to_calendar = request.form.get('add_to_calendar') == 'on'
title = request.form.get('title', '').strip()
custom = request.form.getlist('custom_fields')
try:
clients_p_slot = int(request.form.get('clients_per_slot', 1))
except (ValueError, TypeError):
clients_p_slot = 1
if not start or not end or not time or not slots_amount or not slot_length or not title:
flash('Bitte alle Pflichtfelder ausfüllen.', 'error')
return render_template(
'termin_configure.html',
school_periods=cfg.SCHOOL_PERIODS,
generated_link=None,
email_service_enabled=cfg.EMAIL_ENABLED,
)
# Call the database service function (standardized to match your underlying code)
inserted_id = appointment_service.new(
date_start=start,
date_end=end,
time_span=time,
slots=slots_amount,
slot_length=slot_length,
user=session["username"],
mail=mail,
note=note,
calendar_enabled=add_to_calendar,
title=title,
custom_fields=custom,
clients_per_slot=clients_p_slot
)
if not inserted_id:
flash('Fehler beim Erstellen des Terminplans.', 'error')
return redirect(url_for('terminplaner.configure'))
flash('Der Terminplan wurde angelegt.', 'success')
return render_template(
'termin_configure.html',
school_periods=cfg.SCHOOL_PERIODS,
generated_link=inserted_id['link'],
calendar_link=None, # Update with calendar service link generation if needed
add_to_calendar=add_to_calendar,
email_service_enabled=cfg.EMAIL_ENABLED,
title=title,
)
return render_template(
'termin_configure.html',
school_periods=cfg.SCHOOL_PERIODS,
generated_link=None,
calendar_link=None,
add_to_calendar=False,
email_service_enabled=cfg.EMAIL_ENABLED,
title=None,
)
@appoint_bp.route('/calendar/<appointment_id>.ics', methods=['GET'])
def calendar_export(appointment_id):
guard = _require_module_enabled()
if guard:
return guard
ics_content = appointment_service.build_calendar_ics(appointment_id)
if not ics_content:
return _appointment_not_found_response()
title = str(request.args.get('title', '') or '').strip() or appointment_id
response = Response(ics_content, mimetype='text/calendar; charset=utf-8')
response.headers['Content-Disposition'] = f'attachment; filename=terminplan-{title}-{appointment_id}.ics'
return response
@appoint_bp.route('/client_ics/<appointment_id>.ics', methods=['GET'])
def client_slot_calendar_export(appointment_id):
guard = _require_module_enabled()
if guard:
return guard
slot_start = str(request.args.get('start', '') or '').strip()
client_name = str(request.args.get('name', '') or '').strip()
ics_content = appointment_service.build_client_slot_ics(appointment_id, slot_start, client_name=client_name)
if not ics_content:
return _appointment_not_found_response()
title = str(request.args.get('title', '') or '').strip() or appointment_id
response = Response(ics_content, mimetype='text/calendar; charset=utf-8')
response.headers['Content-Disposition'] = f'attachment; filename=termin-{title}-{appointment_id}-{slot_start.replace(" ", "_").replace(":", "")}.ics'
return response
@appoint_bp.route('/')
def main():
guard = _require_module_enabled()
if guard:
return guard
current_user = session.get('username', '')
upcoming_events = appointment_service.get_user_upcoming_events(current_user) if current_user else []
tenant_id = _current_tenant_id()
return render_template(
'terminplaner.html',
school_periods=cfg.SCHOOL_PERIODS,
current_user=current_user,
upcoming_events=upcoming_events,
tenant_id=tenant_id,
)