def get_product_by_id(items, id):
'''
Return a supplier by id
'''
try:
return items.get(product_id=id)
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except DoesNotExist:
return None
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except MultipleObjectsReturned as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
def create_cart(suppliers=None, products=None):
'''
Create cart with suppliers and products data if exists
'''
cart = Cart()
if suppliers is None and products is None:
return cart.save()
supplier = create_supplier(suppliers)
if supplier and products:
try:
product = create_product(products)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
subtotal, total = calculate_product_price(product)
product.total = total
product.subtotal = subtotal
supplier.items.append(product)
try:
cart.suppliers.append(supplier)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
subtotal, total = calculate_total_and_subtotal(supplier.items)
supplier.subtotal = subtotal
supplier.total = total
subtotal, total = calculate_total_and_subtotal(cart.suppliers)
cart.subtotal = subtotal
cart.total = total
try:
cart.updated = datetime.now()
cart.save()
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
return cart
def get(self, cart_id):
try:
cart = MCart.objects.get(id=cart_id)
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except MultipleObjectsReturned as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
subtotal, total = calculate_total_and_subtotal(cart.suppliers)
cart.subtotal = subtotal
cart.total = total
try:
# TODO: Update document with atomic update
cart.updated = datetime.now()
cart.save()
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
# TODO: Serializer all objects
data = cart_detail(cart)
for supplier in cart.suppliers:
data['suppliers'].append(supplier_detail(supplier))
return {
'status': 200,
'resource': 'Cart',
'message': _MSG104,
'data': data
}, 200, {
'Set-Cookie': 'api-shopping-cart={}'.format(cart.id)
}
def put(self, cart_id):
try:
cart = MCart.objects.get(id=cart_id)
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except MultipleObjectsReturned as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
# TODO: Verify if user exists in app only admin has this access
# Force to data is valid because we do not trust on any information
# comes from client
# TODO: With cart get product and do an set atomic update
# http://docs.mongoengine.org/guide/querying.html#atomic-updates
# Or we can user save method
# TODO: Serializer all objects
# get_cart()
try:
# TODO: Update document with atomic update
cart.updated = datetime.now()
cart.save()
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
data = cart_detail(cart)
for supplier in cart.suppliers:
data['suppliers'].append(supplier_detail(supplier))
return {
'status': 200,
'resource': 'Cart',
'message': _MSG104,
'data': data
}, 200, {
'Set-Cookie': 'api-shopping-cart={}'.format(cart.id)
}
def patch(self, cart_id):
try:
cart = MCart.objects.get(id=cart_id)
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except MultipleObjectsReturned as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
supplier_data, product_data = None, None
data = None
try:
data = request.get_json()
except Exception:
return resp_form_invalid('Carts', {'product': 'not empty'})
supplier_data = data.get('supplier', None)
product_data = data.get('product', None)
if supplier_data:
supplier = get_supplier_by_id(cart.suppliers,
supplier_data.get('supplier_id'))
if not isinstance(supplier, Supplier):
return supplier
else:
data = cart_detail(cart)
for supplier in cart.suppliers:
data['suppliers'].append(supplier_detail(supplier))
return {
'status': 404,
'resource': 'Cart',
'message': _MSG104,
'description': 'Este fornecedor não foi encontrado',
'data': data
}, 404, {
'Set-Cookie': 'api-shopping-cart={}'.format(cart.id)
}
# Object Item Document
if product_data:
product = get_product_by_id(supplier.items,
product_data.get('product_id'))
if not isinstance(product, Item):
return product
else:
data = cart_detail(cart)
for supplier in cart.suppliers:
data['suppliers'].append(supplier_detail(supplier))
return {
'status': 404,
'resource': 'Cart',
'message': _MSG104,
'description': 'Este produto não foi encontrado',
'data': data
}, 404, {
'Set-Cookie': 'api-shopping-cart={}'.format(cart.id)
}
# TODO: With cart get product and do an unset atomic update
# http://docs.mongoengine.org/guide/querying.html#atomic-updates
# TODO: Recalculate all the product prices
qty = product_data.get('qty', None)
if qty:
product.qty -= qty
if product.qty <= 0:
data = cart_detail(cart)
for supplier in cart.suppliers:
data['suppliers'].append(supplier_detail(supplier))
return {
'status': 400,
'resource': 'Cart',
'message': _MSG104,
'description': 'A quantidade não pode ser menor que zero.',
'data': data
}, 400, {
'Set-Cookie': 'api-shopping-cart={}'.format(cart.id)
}
# TODO: Recalculate all the product prices
subtotal, total = calculate_product_price(product)
product.total = total
product.subtotal = subtotal
# TODO: recalculate the prices on each item
# The supplier object has total and subtotal. This is the sum of
# all items
if supplier:
subtotal, total = calculate_total_and_subtotal(supplier.items)
supplier.subtotal = subtotal
supplier.total = total
# TODO: recalculate the prices of cart
# The cart has many suppliers. So is need to save the total and
# subtotal on each supplier
subtotal, total = calculate_total_and_subtotal(cart.suppliers)
cart.subtotal = subtotal
cart.total = total
try:
# TODO: Update document with atomic update
cart.updated = datetime.now()
cart.save()
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
# TODO: Serializer all objects
data = cart_detail(cart)
for supplier in cart.suppliers:
data['suppliers'].append(supplier_detail(supplier))
return {
'status': 200,
'resource': 'Cart',
'message': _MSG104,
'data': data
}, 200, {
'Set-Cookie': 'api-shopping-cart={}'.format(cart.id)
}
def put(self, cart_id):
try:
cart = MCart.objects.get(id=cart_id)
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except MultipleObjectsReturned as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
# Serializer payload request
supplier_payload, supplier_data = None, None
product_payload, product_data = None, None
supplier, product = None, None
data = None
try:
data = request.get_json()
except Exception:
return resp_form_invalid('Carts', {'product': 'not empty'})
if data:
supplier_data = data.get('supplier', None)
product_data = data.get('product', None)
if supplier_data:
supplier_form = SupplierForm(data=supplier_data)
if not supplier_form.validate():
return resp_form_invalid('Carts', supplier_form.errors)
supplier_payload = supplier_form.data
if product_data:
item_form = ItemForm(data=product_data)
if not item_form.validate():
return resp_form_invalid('Carts', item_form.errors)
product_payload = item_form.data
# Object Supplier EmbbedDocument if not exists
supplier = get_supplier_by_id(cart.suppliers,
supplier_payload.get('supplier_id'))
if supplier is None:
# Create a supplier instance
supplier = create_supplier(supplier_payload)
# Add on suppliers list
try:
# TODO: Update document with atomic update
cart.suppliers.append(supplier)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
elif not isinstance(supplier, Supplier):
return supplier
# Object Item Document
product = get_product_by_id(supplier.items,
product_payload.get('product_id'))
if product is None:
# Create product instance
product = create_product(product_payload)
# Add on product list
try:
# TODO: Verify if the product has in stock
# TODO: Update document with atomic update
supplier.items.append(product)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
elif not isinstance(product, Item):
return product
elif isinstance(product, Item):
# TODO: Verify if the product has in stock
# TODO: Update qty of the product or return an error
product.qty += product_payload.get('qty')
# TODO: Recalculate all the product prices
subtotal, total = calculate_product_price(product)
product.total = total
product.subtotal = subtotal
# TODO: recalculate the prices on each item
# The supplier object has total and subtotal. This is the sum of
# all items
subtotal, total = calculate_total_and_subtotal(supplier.items)
supplier.subtotal = subtotal
supplier.total = total
# TODO: recalculate the prices of cart
# The cart has many suppliers. So is need to save the total and
# subtotal on each supplier
subtotal, total = calculate_total_and_subtotal(cart.suppliers)
cart.subtotal = subtotal
cart.total = total
try:
# TODO: Update document with atomic update
cart.updated = datetime.now()
cart.save()
except NotUniqueError:
sentry.captureException()
return resp_already_exists('Carts', 'carrinho')
except ValidationError as e:
sentry.captureException()
return resp_exception('Carts', msg=_MSG300, description=e)
except Exception as e:
sentry.captureException()
return resp_exception('Carts', description=e)
data = cart_detail(cart)
for supplier in cart.suppliers:
data['suppliers'].append(supplier_detail(supplier))
return {
'status': 200,
'resource': 'Cart',
'message': _MSG104,
'data': data
}, 200, {
'Set-Cookie': 'api-shopping-cart={}'.format(cart.id)
}