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booking.py
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booking.py
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import sqlite3
from datetime import datetime
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from data import Event
conn = sqlite3.connect('ticketing.db')
c = conn.cursor()
class Tickets(object):
engine = create_engine('sqlite:///eTicket.sqlite', echo = False)
# create new session object for queries
Session = sessionmaker()
Session.configure(bind=engine)
session = Session()
def __init__(self):
pass
def create_event(self, arg):
'''
creates a new event instance
'''
# creating a new event from Event class
event_name = arg['<name>']
start_date = datetime.strptime(arg['<start_date>'], "%d-%m-%Y" )
end_date = datetime.strptime(arg['<end_date>'], "%d-%m-%Y" )
venue = arg['<venue>']
event = Event(name=event_name, start_date=start_date, end_date=end_date, venue=venue)
try:
# add event object to session for db commit
Tickets.session.add(event)
Tickets.session.commit()
return "Event created"
except Exception as e:
print (e)
raise e
@staticmethod
def delete_event(event_id):
# query item by id given
deleted_item = Tickets.session.query(Event).filter_by(id=event_id).delete()
# EventsCrud.session.delete(deleted_item)
Tickets.session.commit()
return 'Entry has been deleted'
def list_events(self):
events = Tickets.session.query(Event).all()
event_data = []
for item in events:
event_data.append([item.name, item.start_date, item.end_date, item.venue])
for event in events:
print("{} {} {} {} {}".format('id'.ljust(15), 'name'.ljust(10), 'start_date'.ljust(20),
'end_date'.ljust(20), 'venue'.ljust(30)))
for event_item in event_data:
print("{} {} {} {}".format(str(event_item[1]).ljust(15), event_item[0].ljust(10),
str(event_item[1]).ljust(20), str(event_item[2]).ljust(20),
event_item[3].ljust(30)))
print(
'--------------------------------------------------------------------------------------------')
def edit_event(self, event_id, **kwargs):
event_item = Tickets.session.query(Event).filter_by(id == event_id)
event_item['event'] = kwargs['events']
event_item.EventsCrud.session.commit()
return event_item
conn.commit()
conn.close()