/// <summary>
/// Specify a the amount to increase the specified Location's inventory by.
/// </summary>
/// <param name="locationName">The location's name that will be used to
/// retrieve the data from the DB</param>
/// <param name="productName">The product's name that will be used to
/// retrieve the data from the DB</param>
/// <param name="addedAmount">Amount of products to increment to the
/// Locations inventory</param>
/// <returns>
/// A Message object that will state whether or not the restock was
/// processed succsesfully.
/// </returns>
public Packet RestockInventory(string locationName, string productName, int addedAmount)
{
// Check for scenarios where issues may occur
if (addedAmount <= 0)
{
return(new Packet
{
Text = "Please enter a postive number to increase the inventory by.",
Status = PacketStatus.Invalid
});
}
else if (locationName.Length == 0)
{
return(new Packet
{
Text = "Please enter a valid location name.",
Status = PacketStatus.Invalid
});
}
else if (productName.Length == 0)
{
return(new Packet
{
Text = "Please enter a valid product name.",
Status = PacketStatus.Invalid
});
}
const int MAX_INCREMENT = 100;
Location location = GetLocationByName(locationName);
ProductLogic productLogic = new ProductLogic();
Product product = productLogic.FindProductByName(productName);
ProductInventoryLogic pIL = new ProductInventoryLogic();
ProductInventory productInventory;
if (addedAmount > MAX_INCREMENT)
{
return(new Packet
{
Text = $"The max amount of products that can be given to a store at a time is {MAX_INCREMENT}.",
Status = PacketStatus.Invalid
});
}
else if (location == null)
{
return(new Packet
{
Text = "The Location you've entered does not exist in our system.",
Status = PacketStatus.Invalid
});
}
else if (product == null)
{
return(new Packet
{
Text = "The Product you've entered does not exist in our system",
Status = PacketStatus.Invalid
});
}
// All validation has passed, we're now set to restock
productInventory = pIL.GetProductInventory(location, product);
int newAmount = productInventory.Quanitity + addedAmount;
pIL.UpdateInventory(location, product, newAmount);
return(new Packet
{
Text = $"Inventory Restocked. {location.Name}'s quantity of {product.Name} is now {newAmount}",
Status = PacketStatus.Pass
});
}
/// <summary>
/// Registers a customer making a purchase
/// </summary>
/// <param name="customerName">
/// The name of the Customer making the purchase
/// </param>
/// <param name="locationName">
/// The name of the location the customer is purchasing from.
/// </param>
/// <param name="productName">
/// The product being purchased
/// </param>
/// <param name="quantity">
/// The amount of the product being purchased
/// </param>
/// <returns>A Packet containing info of the purchase</returns>
public Packet MakePurchase(string username, string locationName, string productName, int quantity)
{
CustomerLogic customerLogic = new CustomerLogic();
Customer customer;
LocationLogic locationLogic = new LocationLogic();
Location location;
ProductInventoryLogic pIL = new ProductInventoryLogic();
ProductInventory productInventory;
ProductLogic productLogic = new ProductLogic();
Product product;
OrderLogic orderLogic = new OrderLogic();
// check if customer Exists
customer = customerLogic.FindCustomerByUsername(username);
if (customer == null)
{
return(new Packet
{
Text = "That customer does not exist.",
Status = PacketStatus.Invalid,
});
}
// check location exists
location = locationLogic.GetLocationByName(locationName);
if (location == null)
{
return(new Packet
{
Text = "The location specified was not found.",
Status = PacketStatus.Invalid,
});
}
// check product exists
product = productLogic.FindProductByName(productName);
if (product == null)
{
return(new Packet
{
Text = "The product specified was not found.",
Status = PacketStatus.Invalid,
});
}
// Check location has product in stock
productInventory = pIL.GetProductInventory(location, product);
if (productInventory == null)
{
return(new Packet
{
Text = "This location does not currently carry this product",
Status = PacketStatus.Invalid
});
}
// Check to see if customer isn't buying too many products
if (quantity > productInventory.Quanitity)
{
return(new Packet
{
Text = $"This location does not carry the amount of {product.Name} you are trying to purchase",
Status = PacketStatus.Invalid
});
}
// All's good, being registering purchase
// Decrease quantity of location by the amount the customer is purchasing
int quantitySold = productInventory.Quanitity - quantity;
pIL.UpdateInventory(location, product, quantitySold);
// Register Order for customer
orderLogic.RegisterOrder(customer, locationName, productName, quantity);
return(new Packet
{
Text = $"Order purchased successfully - Purchaser {username} ordered product {productName} from location {locationName}",
Status = PacketStatus.Pass
});
}
