def run_decrease_grpc(stub): for i in range(0, AMOUNT_TO_TEST): stub.DecreaseProductAmount( inventory_system_pb2.ProductAmount( product_identifier=inventory_system_pb2.ProductIdentifier( name="Product" + str(i), id="-1"), amount=10))
def run_update_manufacturer_grpc(stub): for i in range(0, AMOUNT_TO_TEST): stub.UpdateProductManufacturer( inventory_system_pb2.ProductManufacturer( product_identifier=inventory_system_pb2.ProductIdentifier( name="Product" + str(i), id="-1"), manufacturer="updated"))
def run_update_sale_grpc(stub): for i in range(0, AMOUNT_TO_TEST): stub.UpdateProductSaleCost( inventory_system_pb2.ProductSaleCost( product_identifier=inventory_system_pb2.ProductIdentifier( name="Product" + str(i), id="-1"), sale_cost=99))
def run_update_description_grpc(stub): for i in range(0, AMOUNT_TO_TEST): stub.UpdateProductDescription( inventory_system_pb2.ProductDescription( product_identifier=inventory_system_pb2.ProductIdentifier( name="Product" + str(i), id="-1"), description="updated"))
def run_remove_product_from_order_grpc(stub): for i in range(0, AMOUNT_TO_TEST): product_amt = inventory_system_pb2.ProductAmount( product_identifier=inventory_system_pb2.ProductIdentifier( name="Product" + str(i), id="-1"), amount=20) response = stub.RemoveProductFromOrder( inventory_system_pb2.OrderProduct( id="f76e7160-bdcd-415e-bc95-8625f698da6d", product_amount=product_amt))
def init_order(order): ''' Turns an order object into an Order message for sending on gRPC. ''' product_amounts = [] for product in order.products: product_id = inventory_system_pb2.ProductIdentifier(name=product[0], id=product[1]) product_amounts.append( inventory_system_pb2.ProductAmount(product_identifier=product_id, amount=product[2])) return inventory_system_pb2.Order(id=order.id, destination=order.destination, date=order.date, products=product_amounts, is_paid=order.is_paid, is_shipped=order.is_shipped)
def main(): parser = argparse.ArgumentParser() # Argument to take IP and port that you wish to connect to, default is localhost at port 50051 parser.add_argument('ip', type=str, help="IP and port that you want to connect to", default="localhost:50051") # Argument which defines which protocol you want to use, default is gRPC. parser.add_argument('protocol', type=str, help="Protocol of using gRPC or XML-RPC", default="gRPC") # Added a subparser for the commands that can be run. subparsers = parser.add_subparsers(title="command", dest="cmd", required=True) # Get product command which takes either the name or id of a product, defaulting the other argument to a null value. get_product_cmd = subparsers.add_parser(name="get_product", description="Get a product from the database") get_product_cmd.add_argument("--name", help="The name of the product", type=str, default="null", required=False) get_product_cmd.add_argument("--id", help="The id of the product", type=str, default="-1", required=False) # Add product command which takes all attributes of a product except for ID as arguments. add_product_cmd = subparsers.add_parser(name="add_product", description="Add a product to the database") add_product_cmd.add_argument("name", help="The name of the product", type=str) add_product_cmd.add_argument("amount", help="The amount of the product", type=int) add_product_cmd.add_argument("description", help="The description of the product", type=str) add_product_cmd.add_argument("manufacturer", help="The manufacturer of the product", type=str) add_product_cmd.add_argument("sale_cost", help="The sale cost of the product", type=float) add_product_cmd.add_argument("wholesale_cost", help="The wholesale cost of the product", type=float) # Get products by manufacturer command which takes a manufacturer as a string. get_products_by_manufacturer_cmd = subparsers.add_parser(name="get_products_by_manufacturer", description="Get a list of products by manufacturer") get_products_by_manufacturer_cmd.add_argument("manufacturer", help="The manufacturer you want to filter by") # Get products in stock command which takes no arguments. get_products_in_stock_cmd = subparsers.add_parser(name="get_products_in_stock", description="Get a list of products in stock") # Update product description command which takes the description as a string, and either the name or id as strings. update_product_description_cmd = subparsers.add_parser(name="update_product_description", description="Update the description of a product") update_product_description_cmd.add_argument("description", help="The description you want to update to", type=str) update_product_description_cmd.add_argument("--name", help="The name of the product", default="null", type=str, required=False) update_product_description_cmd.add_argument("--id", help="The id of the product", default="-1", type=str, required=False) # Update product manufacturer command which takes the manufacturer as a string, and either the name or id as strings. update_product_manufacturer_cmd = subparsers.add_parser(name="update_product_manufacturer", description="Update the manufacturer of a product") update_product_manufacturer_cmd.add_argument("manufacturer", help="The manufacturer you want to update to", type=str) update_product_manufacturer_cmd.add_argument("--name", help="The name of the product", type=str, required=False) update_product_manufacturer_cmd.add_argument("--id", help="The id of the product", type=str, required=False) # Update product wholesale cost command which takes the wholesale cost as a float, # and either the name or id of the product as strings. update_product_wholesalecost_cmd = subparsers.add_parser(name="update_product_wholesalecost", description="Update the wholesale cost of a product") update_product_wholesalecost_cmd.add_argument("wholesale_cost", help="The price of whole sale cost", type=float) update_product_wholesalecost_cmd.add_argument("--name", help="The name of the product", type=str, required=False) update_product_wholesalecost_cmd.add_argument("--id", help="The id of the product", type=str, required=False) # Update product sale cost command which takes the sale cost as a float, # and either the name or id of the product as strings. update_product_salecost_cmd = subparsers.add_parser("update_product_salecost", description="Update the sale cost of a product") update_product_salecost_cmd.add_argument("sale_cost", help="The price of sale cost", type=float) update_product_salecost_cmd.add_argument("--name", help="The name of the product", type=str, required=False) update_product_salecost_cmd.add_argument("--id", help="The id of the product", type=str, required=False) # Increase product amount command which takes the amount as an integer, # and either the name or id of the product as strings. increase_product_amount_cmd = subparsers.add_parser(name="increase_product_amount", description="Increase the amount of a product's stock") increase_product_amount_cmd.add_argument("amount", help="Amount you want to increase stock by", type=int) increase_product_amount_cmd.add_argument("--name", help="The name of the product", type=str, required=False) increase_product_amount_cmd.add_argument("--id", help="The id of the product", type=str) # Decrease product amount command which takes the amount as an integer, # and either the name or id of the product as strings. decrease_product_amount_cmd = subparsers.add_parser(name="decrease_product_amount", description="Decrease the amount of a proudct's stock") decrease_product_amount_cmd.add_argument("amount", help="Amount you want to decrease stock by", type=int) decrease_product_amount_cmd.add_argument("--name", help="The name of the product", type=str, required=False) decrease_product_amount_cmd.add_argument("--id", help="The id of the product", type=str, required=False) # Add order command which takes the destination, date, and list of products as arguments. add_order_cmd = subparsers.add_parser(name="add_order", description="Add an order to the database") add_order_cmd.add_argument("destination", help="The destination of the order") add_order_cmd.add_argument("date", help="The date on which the order was placed.") add_order_cmd.add_argument("--products", help="The products that should be added to the order.") # Get order command which takes an id as a string. get_order_cmd = subparsers.add_parser(name="get_order", description="Get an order from the database") get_order_cmd.add_argument("id", help="The id of the order", type=str) # Add product to order command which takes the id of an order as a string and # the product you wish to add as a string. add_product_to_order_cmd = subparsers.add_parser(name="add_product_to_order", description="Add a product to an order") add_product_to_order_cmd.add_argument("id", help="The id of the order", type=str) add_product_to_order_cmd.add_argument("product", help="The product you want to add,, in the form of \"id, name ,amount\"", type=str) # Remove product from order command which takes the id of an order as a string and # the product you wish to add as a string. remove_product_from_order_cmd = subparsers.add_parser(name="remove_product_from_order", description="Remove a product from an order") remove_product_from_order_cmd.add_argument("id", help="The id of the order", type=str) remove_product_from_order_cmd.add_argument("product", help="The product you want to remove, in the form of \"id, name ,amount\"", type=str) # Update order destination command which takes id of the order and destination of the order as a string. update_order_destination_cmd = subparsers.add_parser(name="update_order_destination", description="Update the destination of an order") update_order_destination_cmd.add_argument("id", help="The id of the order", type=str) update_order_destination_cmd.add_argument("destination", help="The new destination of the order") # Update order date command which takes id of the order and date of the order as a string. update_order_date_cmd = subparsers.add_parser(name="update_order_date", description="Update the date of an order") update_order_date_cmd.add_argument("id", help="The id of the order", type=str) update_order_date_cmd.add_argument("date", help="The new date of the order") # Update order paid status command which takes the paid status of the order as a string which gets # interpreted as a boolean and the id of the order as a string. update_order_paid_cmd = subparsers.add_parser(name="update_order_paid", description="Update if an order is paid or not") update_order_paid_cmd.add_argument("id", help="The id of the order", type=str) update_order_paid_cmd.add_argument("is_paid", help="Whether or not the order is paid for", nargs='?', type=str_to_bool, const=True) update_order_shipped_cmd = subparsers.add_parser(name="update_order_shipped", description="Update if an order has been shipped") update_order_shipped_cmd.add_argument("id", help="The id of the order", type=str) update_order_shipped_cmd.add_argument("is_shipped", help="Whether or not the order is shipped", nargs='?', type=str_to_bool, const=True) # Get unshipped orders command which takes no arguments. get_unshipped_orders_cmd = subparsers.add_parser(name="get_unshipped_orders", description="Get all unshipped orders") # Get unpaid orders command which takes no arguments. get_unpaid_orders_cmd = subparsers.add_parser(name="get_unpaid_orders", description="Get all unpaid orders") args = parser.parse_args() # Both protocols are handled differently as to call correct functions with respect to gRPC or XML-RPC if args.protocol == "gRPC": with grpc.insecure_channel(args.ip) as channel: stub = inventory_system_pb2_grpc.InventorySystemStub(channel) if args.cmd == "get_product": response = stub.GetProduct(inventory_system_pb2.ProductIdentifier(name=args.name, id=args.id)) if response.id == -1: print("Failed to get a product by that identifier.") else: print(response) elif args.cmd == "add_product": response = stub.AddProduct( inventory_system_pb2.Product(name=args.name, amount=args.amount, description=args.description, manufacturer=args.manufacturer, sale_cost=args.sale_cost, wholesale_cost=args.wholesale_cost)) if response.product_identifier.id == -1: print("Failed to add the product.") else: print(response) elif args.cmd == "get_products_by_manufacturer": response = stub.GetProductsByManufacturer( inventory_system_pb2.Manufacturer(manufacturer=args.manufacturer)) for i in response: if (i.id == "-1"): print("There are no products by that manufacturer.") break print(i) elif args.cmd == "get_products_in_stock": response = stub.GetProductsInStock(inventory_system_pb2.Empty()) for i in response: if (i.id == "-1"): print("There are no products in stock.") break print(i) elif args.cmd == "update_product_description": response = stub.UpdateProductDescription(inventory_system_pb2.ProductDescription( product_identifier=inventory_system_pb2.ProductIdentifier(name=args.name, id=args.id), description=args.description)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_product_manufacturer": response = stub.UpdateProductManufacturer(inventory_system_pb2.ProductManufacturer( product_identifier=inventory_system_pb2.ProductIdentifier(name=args.name, id=args.id), manufacturer=args.manufacturer)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_product_wholesalecost": response = stub.UpdateProductWholesaleCost(inventory_system_pb2.ProductWholesaleCost( product_identifier=inventory_system_pb2.ProductIdentifier(name=args.name, id=args.id), wholesale_cost=args.wholesale_cost)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_product_salecost": response = stub.UpdateProductSaleCost(inventory_system_pb2.ProductSaleCost( product_identifier=inventory_system_pb2.ProductIdentifier(name=args.name, id=args.id), sale_cost=args.sale_cost)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "increase_product_amount": response = stub.IncreaseProductAmount(inventory_system_pb2.ProductAmount( product_identifier=inventory_system_pb2.ProductIdentifier(name=args.name, id=args.id), amount=args.amount)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "decrease_product_amount": response = stub.DecreaseProductAmount(inventory_system_pb2.ProductAmount( product_identifier=inventory_system_pb2.ProductIdentifier(name=args.name, id=args.id), amount=args.amount)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "add_order": order = inventory_system_pb2.Order(destination=args.destination, date=args.date, products=[], is_paid=False, is_shipped=False) response = stub.AddOrder(order) if response.id == -1: print("Failed to add the order") else: print(response) elif args.cmd == "get_order": response = stub.GetOrder(inventory_system_pb2.OrderID(id=args.id)) if response.id == -1: print("Failed to get an order by that id.") else: print(response) elif args.cmd == "add_product_to_order": product = args.product.split(",") product_amt = inventory_system_pb2.ProductAmount( product_identifier=inventory_system_pb2.ProductIdentifier(name=product[0], id=product[1]), amount=int(product[2])) response = stub.AddProductToOrder( inventory_system_pb2.OrderProduct(id=args.id, product_amount=product_amt)) if response.success: print("Added successfully") else: print("Failed to add product to order") elif args.cmd == "remove_product_from_order": product = args.product.split(",") product_amt = inventory_system_pb2.ProductAmount( product_identifier=inventory_system_pb2.ProductIdentifier(name=product[0], id=product[1]), amount=int(product[2])) response = stub.RemoveProductFromOrder( inventory_system_pb2.OrderProduct(id=args.id, product_amount=product_amt)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_order_destination": response = stub.UpdateOrderDestination( inventory_system_pb2.OrderDestination(id=args.id, destination=args.destination)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_order_date": response = stub.UpdateOrderDate(inventory_system_pb2.OrderDate(id=args.id, date=args.date)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_order_paid": response = stub.UpdateOrderPaid(inventory_system_pb2.OrderPaid(id=args.id, is_paid=args.is_paid)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_order_shipped": response = stub.UpdateOrderShipped( inventory_system_pb2.OrderShipped(id=args.id, is_shipped=args.is_shipped)) if response.success: print("Updated successfully") else: print("Failed to update") elif args.cmd == "get_unpaid_orders": response = stub.GetUnpaidOrders(inventory_system_pb2.Empty()) for i in response: if (i.id == "-1"): print("There are no unpaid orders.") break print(i) elif args.cmd == "get_unshipped_orders": response = stub.GetUnshippedOrders(inventory_system_pb2.Empty()) for i in response: if (i.id == "-1"): print("There are no unshipped orders.") break print(i) elif args.protocol == "XML": try: with ServerProxy("http://" + args.ip + "/") as proxy: if args.cmd == "get_product": response = proxy.get_product_summary(args.name, args.id) if response != -1: name, id_, description, manufacturer, amount = response new_line = "\n" summary = "Name: {1}{0}ID: {2}{0}Manufacturer: {3}{0}Amount {4}{0}Description: {5}{0}".format( new_line, name, id_, manufacturer, amount, description) print(summary) else: print("Product not in inventory") elif args.cmd == "get_order": response = proxy.get_order_summary(args.id) if response != -1: id_, destination, date, is_shipped, is_paid, products = response new_line = "\n" summary = "ID: {1}{0}Destination: {2}{0}Date: {3}{0}shipped: {4}{0}Paid: ".format( new_line, id_, destination, date, is_shipped, is_paid) print(summary) for product in products: Name, ID, Amount = product[0], product[1], product[2] print("product Name: {1}{0}ID: {2}{0}Amount: {3}{0}".format(new_line, Name, ID, Amount)) elif args.cmd == "add_product": response = proxy.add_product(args.name, args.description, args.manufacturer, args.sale_cost, args.whole_sale_cost, args.amount) if response[1] == -1: print("Failed to get a product by that identifier.") else: print(response) elif args.cmd == "get_products_by_manufacturer": response = proxy.list_products_by_manufacturer(args.manufacturer) if response == -1: print("there are not products under that manufacturer") else: for i in response: print(i) elif args.cmd == "get_products_in_stock": response = proxy.list_products() if response == -1: print("there are no products in the inventory") else: for product in response: print(product) elif args.cmd == "update_product_description": response = proxy.update_description(args.name, args.id, args.description) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_product_manufacturer": response = proxy.update_manufacturer(args.name, args.id, args.manufacturer) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_product_wholesalecost": response = proxy.update_wholesale_cost(args.name, args.id, args.wholesale_cost) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_product_salecost": response = proxy.update_sale_cost(args.name, args.id, args.sale_cost) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "increase_product_amount": response = proxy.increase_product_amount(args.name, args.id, args.amount) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "decrease_product_amount": response = proxy.decrease_product_amount(args.name, args.id_, args.amount) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "add_order": response = proxy.add_order(args.products, args.destination, args.date) if response[1] == -1: print("Failed to add the order") else: print(response) elif args.cmd == "add_product_to_order": product = args.product.split(",") response = proxy.add_product_to_order(args.id, product[0], product[1], int(product[2])) if response: print("Added successfully") else: print("Failed to add product to order") elif args.cmd == "remove_product_from_order": product = args.product.split(",") response = proxy.remove_product_from_order(args.id, product[0], product[1], int(product[2])) if response: print("Added successfully") else: print("Failed to add product to order") elif args.cmd == "update_order_destination": response = proxy.update_order_destination(args.id, args.destination) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_order_date": response = proxy.update_order_date(args.id, args.date) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_order_paid": response = proxy.update_order_paid(args.id, args.is_paid) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "update_order_shipped": response = proxy.update_order_shipped(args.id, args.is_shipped) if response: print("Updated successfully") else: print("Failed to update") elif args.cmd == "get_unpaid_orders": response = proxy.list_unpaid() if response == []: print("There are no orders") else: for orderID in response: print(orderID) elif args.cmd == "get_unshipped_orders": response = proxy.list_unshipped() print("hi") if not response: print("There are no orders") else: for orderID in response: print(orderID) except Exception as ex: print(ex)
def run_get_product_grpc(stub): for i in range(0, AMOUNT_TO_TEST): stub.GetProduct( inventory_system_pb2.ProductIdentifier(name="Product" + str(i), id="-1"))
def AddProduct(self, request, context): new_product = retrieve_product(request) name, id_ = self.inventory.add_product(new_product) return inventory_system_pb2.ProductIdentifier(name=name, id=id_)
class InventorySystem(inventory_system_pb2_grpc.InventorySystemServicer): # null_product is a product which has all attributes null so that we can tell the client that a product # was not found. null_product = inventory_system_pb2.Product(name="null", id="-1", amount=-1, description="null", manufacturer="null", sale_cost=0, wholesale_cost=0) # null_identifier is a product identifier which has all attributes null so that we can tell the client that a product # was not found. null_identifier = inventory_system_pb2.ProductIdentifier(name="null", id="-1") # null_order is an order which has all attributes null so that we can tell the client that an order # was not found. null_order = inventory_system_pb2.Order(id="-1", destination="N/A", date="1/1/1970", products=[], is_paid=False, is_shipped=False) def __init__(self, inventory): self.inventory = inventory def GetProduct(self, request, context): name = request.name id_ = request.id if self.inventory.is_product(name, id_): return init_product(self.inventory.get_product(name, id_)) else: return self.null_product def AddProduct(self, request, context): new_product = retrieve_product(request) name, id_ = self.inventory.add_product(new_product) return inventory_system_pb2.ProductIdentifier(name=name, id=id_) def GetProductsByManufacturer(self, request, context): """ This method was done seperate from the helper file due to the yielding of products in gRPC. This method searches through the list and yields any products that have a matching manufacturer. If no products are ever found, we return a null product """ found_one = False manufacturer = request.manufacturer for product in self.inventory.products_by_id.values(): if product.manufacturer == manufacturer: found_one = True yield init_product(product) if not found_one: yield self.null_product def GetProductsInStock(self, request, context): """ This method is very similar to the previous GetProductsByManufacturer, and not contained in the helper file. Searches through all products and returns any that are in stock. """ found_one = False for product in self.inventory.products_by_id.values(): if product.amount > 0: found_one = True yield init_product(product) if not found_one: yield self.null_product def UpdateProductDescription(self, request, context): product_identifier = request.product_identifier name = product_identifier.name id_ = product_identifier.id description = request.description if self.inventory.update_description(name, id_, description): return inventory_system_pb2.Success(success=True) return inventory_system_pb2.Success(success=False) def UpdateProductManufacturer(self, request, context): product_identifier = request.product_identifier name = product_identifier.name id_ = product_identifier.id manufacturer = request.manufacturer if self.inventory.update_manufacturer(name, id_, manufacturer): return inventory_system_pb2.Success(success=True) return inventory_system_pb2.Success(success=False) def UpdateProductSaleCost(self, request, context): product_identifier = request.product_identifier name = product_identifier.name id_ = product_identifier.id sale_cost = request.sale_cost if self.inventory.update_sale_cost(name, id_, sale_cost): return inventory_system_pb2.Success(success=True) return inventory_system_pb2.Success(success=False) def UpdateProductWholesaleCost(self, request, context): product_identifier = request.product_identifier name = product_identifier.name id_ = product_identifier.id wholesale_cost = request.wholesale_cost if self.inventory.update_wholesale_cost(name, id_, wholesale_cost): return inventory_system_pb2.Success(success=True) return inventory_system_pb2.Success(success=False) def IncreaseProductAmount(self, request, context): product_identifier = request.product_identifier name = product_identifier.name id_ = product_identifier.id amount = request.amount if self.inventory.increase_product_amount(name, id_, amount): return inventory_system_pb2.Success(success=True) return inventory_system_pb2.Success(success=False) def DecreaseProductAmount(self, request, context): product_identifier = request.product_identifier name = product_identifier.name id_ = product_identifier.id amount = request.amount if self.inventory.decrease_product_amount(name, id_, amount): return inventory_system_pb2.Success(success=True) return inventory_system_pb2.Success(success=False) def AddOrder(self, request, context): order_id = self.inventory.add_order(retrieve_order(request)) return inventory_system_pb2.OrderID(id=order_id) def GetOrder(self, request, context): id_ = request.id if self.inventory.is_order(id_): return init_order(self.inventory.get_order(id_)) else: return self.null_order def AddProductToOrder(self, request, context): product_amount = request.product_amount product_identifier = product_amount.product_identifier product_name = product_identifier.name product_id = product_identifier.id product_amount = product_amount.amount order_id = request.id if self.inventory.add_product_to_order(order_id, product_name, product_id, product_amount): return inventory_system_pb2.Success(success=True) else: return inventory_system_pb2.Success(success=False) def RemoveProductFromOrder(self, request, context): product_amount = request.product_amount product_identifier = product_amount.product_identifier product_name = product_identifier.name product_id = product_identifier.id product_amount = product_amount.amount order_id = request.id if self.inventory.remove_product_from_order(order_id, product_name, product_id, product_amount): return inventory_system_pb2.Success(success=True) else: return inventory_system_pb2.Success(success=False) def UpdateOrderDestination(self, request, context): order_id = request.id destination = request.destination if self.inventory.update_order_destination(order_id, destination): return inventory_system_pb2.Success(success=True) else: return inventory_system_pb2.Success(success=False) def UpdateOrderDate(self, request, context): order_id = request.id date = request.date if self.inventory.update_order_date(order_id, date): return inventory_system_pb2.Success(success=True) else: return inventory_system_pb2.Success(success=False) def UpdateOrderPaid(self, request, context): order_id = request.id is_paid = request.is_paid if self.inventory.update_order_paid(order_id, is_paid): return inventory_system_pb2.Success(success=True) else: return inventory_system_pb2.Success(success=False) def UpdateOrderShipped(self, request, context): order_id = request.id is_shipped = request.is_shipped if self.inventory.update_order_shipped(order_id, is_shipped): return inventory_system_pb2.Success(success=True) else: return inventory_system_pb2.Success(success=False) def GetUnshippedOrders(self, request, context): """ This method was not included in the helper file as it has different implementation in gRPC. Searches through orders finding orders which have not been shipped. If none are found, a null order is returned. """ found_one = False for order in self.inventory.orders.values(): if not order.is_shipped: found_one = True yield init_order(order) if not found_one: yield self.null_order def GetUnpaidOrders(self, request, context): """ Similar to GetUnshippedOrders, returns a null order if none are found """ found_one = False for order in self.inventory.orders.values(): if not order.is_paid: found_one = True yield init_order(order) if not found_one: yield self.null_order