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
def ticket():
''' view of ticket customization '''
windows = os.name == 'nt'
settings = data.Settings.get()
printer = data.Printer.get()
touch_screen_settings = data.Touch_store.get()
printers = get_printers_cli(windows=windows, unix=not windows)\
if windows or settings.lp_printing else get_printers_usb()
form = TicketForm(printers, settings.lp_printing)
if form.validate_on_submit():
printer = data.Printer.get() # NOTE: sessions's lost
if form.kind.data == 1: # Rigestered
printer.value = form.value.data
printer.active = False
touch_screen_settings.n = True
else: # Printed
printer_id = form.printers.data
if printer_id == '00': # Not found
flash('Error: you must have available printer, to use printed',
'danger')
return redirect(url_for('cust_app.ticket'))
if windows or settings.lp_printing:
printer.name = printer_id
else:
id_chunks = printer_id.split('_')
printer.vendor = convert_to_int_or_hex(id_chunks[0])
printer.product = convert_to_int_or_hex(id_chunks[1])
if len(id_chunks) == 4:
printer.in_ep = convert_to_int_or_hex(id_chunks[2])
printer.out_ep = convert_to_int_or_hex(id_chunks[3])
else:
printer.in_ep = None
printer.out_ep = None
printer.active = True
printer.langu = form.langu.data
printer.value = form.value.data
printer.scale = form.scale.data
touch_screen_settings.n = False
db.session.commit()
flash('Notice: settings have been updated .', 'info')
return redirect(url_for('cust_app.ticket'))
if not form.errors:
form.kind.data = 1 if touch_screen_settings.n else 2
form.langu.data = printer.langu
form.value.data = printer.value
form.scale.data = printer.scale
if windows or settings.lp_printing:
form.printers.data = printer.name or ''
else:
form.printers.data = f'{printer.vendor}_{printer.product}'
form.printers.data += f'_{printer.in_ep}_{printer.out_ep}'
return render_template('ticket.html',
navbar='#snb2',
page_title='Tickets',
vtrue=data.Vid.query.first().enable,
strue=data.Slides_c.query.first().status,
form=form,
hash='#da7')