def background_tasks():
''' view for background tasks customization '''
form = BackgroundTasksForms()
cache_tts = data.BackgroundTask.get(name='CacheTicketsAnnouncements')
delete_tickets = data.BackgroundTask.get(name='DeleteTickets')
def _resolve_time(every, time):
return time if every in EVERY_TIME_OPTIONS else None
if form.validate_on_submit():
cache_tts.enabled = form.cache_tts_enabled.data
cache_tts.every = form.cache_tts_every.data
delete_tickets.enabled = form.delete_tickets_enabled.data
delete_tickets.every = form.delete_tickets_every.data
delete_tickets.time = _resolve_time(delete_tickets.every,
form.delete_tickets_time.data)
db.session.commit()
stop_tasks()
start_tasks()
flash('Notice: background tasks got updated successfully.', 'info')
return redirect(url_for('cust_app.background_tasks'))
if not form.errors:
form.cache_tts_enabled.data = cache_tts.enabled
form.cache_tts_every.data = cache_tts.every
form.delete_tickets_enabled.data = delete_tickets.enabled
form.delete_tickets_every.data = delete_tickets.every
form.delete_tickets_time.data = delete_tickets.time
return render_template('background_tasks.html',
page_title='Background Tasks',
navbar='#snb2',
form=form,
hash='#da9',
vtrue=data.Vid.get().enable,
strue=data.Slides_c.get().status,
time_options=','.join(EVERY_TIME_OPTIONS))
def bundle_app(config={}):
''' Create a Flask app, set settings, load extensions, blueprints and create database. '''
app = create_app(config)
# NOTE: avoid creating or interacting with the database during migration
if not app.config.get('MIGRATION', False):
create_db(app, testing=app.config.get('TESTING', False))
start_tasks(app)
if os.name != 'nt':
# !!! it did not work creates no back-end available error !!!
# !!! strange bug , do not remove !!!
if get_printers_usb():
pass
@app.route('/language_switch/<language>')
def language_switch(language):
''' Endpoint to switch the default language.
Parameters
----------
language: str
language short form to switch to.
'''
session['lang'] = language
if current_user.is_authenticated:
return redirect(str(request.referrer))
return redirect(url_for('core.root'))
@app.before_first_request
def default_language():
''' Set the default language before the first request. '''
if session.get('lang') not in list(SUPPORTED_LANGUAGES.keys()):
session['lang'] = 'en'
@app.errorhandler(404)
@app.errorhandler(500)
@app.errorhandler(413)
def page_not_found(error):
''' Adding error handlers on main app instance. '''
if getattr(error, 'code', None) == 413:
flash('Error: file uploaded is too large ', 'danger')
if current_user.is_authenticated:
return redirect(url_for('cust_app.multimedia', nn=1))
return redirect(url_for('core.root'))
getattr(error, 'code', None) != 404 and log_error(error)
flash('Error: something wrong , or the page is non-existing', 'danger')
return redirect(url_for('core.root'))
@app.route('/nojs/<int:enabled_js>')
def nojs(enabled_js):
''' Handle JavaScript disabled or not supported. '''
if enabled_js == 1:
next_url = session.get('next_url', '/')
if next_url != '/':
return redirect(next_url)
return redirect(url_for('core.root'))
return render_template('nojs.html', page_title='Javascript is disabled')
def moment_wrapper(moment):
''' Temproray moment wrapper to add `.toTime()` and `.toNow()`
TODO: Remove and update Flask-Moment when PR's mereged.
'''
def toTime(*args, **kwargs):
content = str(moment.fromTime(*args, **kwargs))
return Markup(content.replace('from(', 'to('))
def toNow(*args, **kwargs):
content = str(moment.fromNow(*args, **kwargs))
return Markup(content.replace('fromNow(', 'toNow('))
setattr(moment, 'toTime', toTime)
setattr(moment, 'toNow', toNow)
return moment
@app.context_processor
def inject_vars():
''' Injecting default variables to all templates. '''
ar = session.get('lang') == 'AR' # adding language support var
# modifying side bar spacing for specific paths
path = request.path
admin_routes = ['/users', '/user_a', '/admin_u', '/user_u', '/csv', '/settings']
admin_route = any([path in admin_routes, path[:7] in admin_routes, path[:5] in admin_routes])
return dict(path=path, adme=admin_route, brp=Markup('<br>'), ar=ar, version=VERSION, str=str,
defLang=session.get('lang'), getattr=getattr, settings=Settings.get(), Serial=Serial,
checkId=lambda id, records: id in [i.id for i in records], offices=Office.query.all(),
moment_wrapper=moment_wrapper, current_path=quote(request.path, safe=''),
windows=os.name == 'nt', unix=os.name != 'nt')
return app