def create_cart():
try:
response = requests.post(config.endpoints.carts)
except Exception:
raise exceptions.StorageServerError()
if response.status_code == 201:
return response.json()['cart_id']
else:
raise exceptions.StorageServerError()
def cancel_cart(cart_id):
try:
response = requests.delete(config.endpoints.cart + cart_id)
except Exception:
raise exceptions.StorageServerError()
if response.status_code == 404:
raise exceptions.CartNotFoundException
elif response.status_code == 200:
return response.json()
else:
raise exceptions.StorageServerError()
def add_item_to_cart(cart_id, item_id):
try:
response = requests.post(config.endpoints.cart + cart_id + '/items/' + item_id)
except Exception:
raise exceptions.StorageServerError()
if response.status_code == 404:
raise exceptions.CartOrItemNotFoundException(response.json['message'])
elif response.status_code == 200:
return response.json()
else:
raise exceptions.StorageServerError()
def checkout(self):
to_charge = self.apply_discount()
try:
response = requests.put(config.endpoints.cart + self._cart_id, json={'status': 'Checked out',
'payment_method': self._payment_method,
'total_amount': to_charge,
'username': self._cart_db['username']})
except Exception:
raise exceptions.StorageServerError()
# Esto también podría ejecutarse en un thread separado ya que ya se le cobró al cliente...
if response.status_code == 200:
email_service.send_email("You sold!", "A new " + self._payment_method + " transaction was made.")
return response.json()
else:
# Haría rollback del cobro con la pasarela
raise exceptions.StorageServerError()
def create_item(**params):
try:
response = requests.post(config.endpoints.items, json=params)
except Exception:
raise exceptions.StorageServerError
if response.status_code == 400:
raise exceptions.ItemAlreadyExists
elif response.status_code == 201:
email_service.send_email("New Item created", "A new Item has been created")
return response.json()['item_id']
raise exceptions.StorageServerError()
def update_item(item_id, token, **params):
if user_service.valid_admin(token):
previous_item = get_item(item_id)
try:
response = requests.put(config.endpoints.item + item_id, json=params)
except Exception:
raise exceptions.StorageServerError
if response.status_code == 404:
raise exceptions.ItemNotFoundException()
elif response.status_code == 400:
raise exceptions.BadRequest(response.text)
elif response.status_code == 200:
item_updated = response.json()
if item_updated['price'] != previous_item['price']:
email_service.send_email("New Price!", "The new price for " + item_updated['name'] + " is " +
str(item_updated['price']))
return item_updated
else:
raise exceptions.StorageServerError()
else:
raise exceptions.NotAnAdmin()