/// <summary>
/// Method to search through all <c>Customer</c> objects
/// </summary>
/// <returns>
/// A list of <c>Customer</c> objects from the database. If not found, returns null
/// </returns>
public List <Customer> CustomerSearch()
{
newCustomer = new Customer();
newCustomer.FirstName = InputPrompts.FirstNamePrompt();
newCustomer.LastName = InputPrompts.LastNamePrompt();
var dbCustomerSearch = db.Customers.Where(x => x.FirstName == newCustomer.FirstName && x.LastName == newCustomer.LastName).ToList();
return(dbCustomerSearch);
}
/// <summary>
/// This method prompts for a location ID then prints the current inventory at this location
/// </summary>
public void PrintInventory()
{
var dbLocations = db.Locations.ToList();
Console.WriteLine("List of Locations:\n");
foreach (var obj in dbLocations)
{
Console.WriteLine(obj.ToString());
}
try
{
newLocation = db.Locations.FirstOrDefault(x => x.ID == InputPrompts.IDPrompt("Location"));
}
catch (Exception e)
{
Console.WriteLine($"Error retrieving Location from the database:\n{e}");
}
if (newLocation != null)
{
try
{
InventoryList = db.Inventory.Include("Product").Include("Location").Where(x => x.Location.ID == newLocation.ID).ToList();
}
catch (Exception e)
{
Console.WriteLine($"Error retrieving inventory list from database:\n{e}");
}
if (InventoryList.Count > 0)
{
Console.WriteLine("Current Inventory Items:\n");
foreach (Inventory inv in InventoryList)
{
inv.PrintInfo();
}
}
else
{
Console.WriteLine("Currently no items have been added to this inventory.");
}
}
}
/// <summary>
/// The method to add product records
/// Runs through a prompt to gather and validate product info
/// </summary>
/// <remarks>
/// Checks to see if the product name already exists, and prevents addition
/// </remarks>
/// <returns>
/// A <c>Product</c> object containing the new Product info
/// </returns>
public Product AddProduct()
{
string productTemp = "";
//while true loop to handle data input
//Regex pattern to validate input, repeat loop until correct
try
{
productTemp = InputPrompts.ProductNamePrompt();
}
catch (Exception e)
{
Console.WriteLine($"Error entering product name:\n{e}");
}
//Query the database to check for another product with the same name
//If it exists, re-prompt
newProduct = db.Products.Where(x => x.ProductName == productTemp).FirstOrDefault();
if (newProduct != null)
{
Console.WriteLine("Product already exists. Please enter a unique product name.");
newProduct = AddProduct();
}
try
{
//Call a new instance of the Product class, and assign the ProductName property the newly input value
newProduct = new Product();
newProduct.ProductName = productTemp;
//Prompt for the product description
newProduct.ProductDescription = InputPrompts.ProductDescriptionPrompt();
//Prompt for the product price
newProduct.Price = InputPrompts.ProductPricePrompt();
}
catch (Exception e)
{
Console.WriteLine($"Error entering product information:\n{e}");
}
//Print the newly input information and confirm the saving
newProduct.PrintInfo();
do
{
Console.WriteLine("Create new product with this new information?");
Console.WriteLine("Press Y to confirm");
Console.WriteLine("Press N to reinput information");
Console.WriteLine("Press C to cancel");
//Console Key used to control the navigation
response = Console.ReadKey(false).Key;
if (response == ConsoleKey.Y)
{
//Return the new product object
return(newProduct);
}
if (response == ConsoleKey.N)
{
//Recall the method if you choose to reinput the information
Console.WriteLine();
return(this.AddProduct());
}
if (response == ConsoleKey.C)
{
//End the loop and return null to cancel the creation
break;
}
} while (response != ConsoleKey.Y && response != ConsoleKey.N && response != ConsoleKey.C);
return(null);
}
/// <summary>
/// The method to increase the inventory of an item
/// Prompts for location and product id
/// </summary>
/// <remarks>
/// If there is no inventory item present, one is created
/// </remarks>
/// <returns>
/// An <c>Inventory</c> object containing the new Inventory status
/// </returns>
public Inventory AddToInventory()
{
int idTemp = 0;
int quantityTemp = 0;
newInventory = new Inventory();
var dbLocations = db.Locations.ToList();
//Print out a list of locations to select from
Console.WriteLine("List of Locations:\n");
foreach (var obj in dbLocations)
{
Console.WriteLine(obj.ToString());
}
var dbLocation = new Location();
//Loop to check if Location ID is present
while (true)
{
idTemp = InputPrompts.IDPrompt("Location");
dbLocation = db.Locations.FirstOrDefault(x => x.ID == idTemp);
if (dbLocation != null)
{
break;
}
Console.WriteLine("Location ID not found. Please try again.");
}
//List out the products available at the location given
var dbentry = db.Products.ToList();
Console.WriteLine("List of products:\n");
foreach (var obj in dbentry)
{
Console.WriteLine(obj.ToString());
}
var dbProduct = new Product();
while (true)
{
idTemp = InputPrompts.IDPrompt("Product");
//Check to see if the product exists
dbProduct = db.Products.FirstOrDefault(x => x.ID == idTemp);
if (dbProduct != null)
{
break;
}
Console.WriteLine("Product ID not found. Please try again.");
}
try
{
quantityTemp = InputPrompts.QuantityPrompt();
}
catch (Exception e)
{
Console.WriteLine($"Error with quantity prompt:\n{e}");
}
//Check to see if Product Exists in inventory.
//If it does not, create an object and add it.
//If it does, add the quantity to the existing object
var dbInventory = db.Inventory.Include("Product").Include("Location").FirstOrDefault(x => x.Product == dbProduct && x.Location == dbLocation);
if (dbInventory != null)
{
dbInventory.Quantity += quantityTemp;
newInventory = dbInventory;
}
else
{
newInventory.Product = dbProduct;
newInventory.Location = dbLocation;
newInventory.Quantity = quantityTemp;
db.Add(newInventory);
}
db.SaveChanges();
return(newInventory);
}
/// <summary>
/// The method to add customer records
/// Runs through prompt to gather and validate customer info
/// </summary>
/// <returns>
/// A <c>Customer</c> object containing the new customer info
/// </returns>
public Customer AddCustomer()
{
newCustomer = new Customer();
//While true loops used to control the data prompting - Thanks @Will Ruiz for the idea!
//Does not break until input is validated
//uses Regex patterns to validate the inputs
//Pattens contained in Regex pattern class
#region Customer Input Prompts
try
{
newCustomer.FirstName = InputPrompts.FirstNamePrompt();
newCustomer.LastName = InputPrompts.LastNamePrompt();
newCustomer.AddressLine1 = InputPrompts.Address1Prompt();
newCustomer.AddressLine2 = InputPrompts.Address2Prompt();
newCustomer.City = InputPrompts.CityPrompt();
newCustomer.State = InputPrompts.StatePrompt();
newCustomer.ZipCode = InputPrompts.ZipPrompt();
newCustomer.Phone = InputPrompts.PhonePrompt();
newCustomer.Email = InputPrompts.EmailPrompt();
}
catch (System.Exception e)
{
Console.WriteLine($"Error inputting customer information:\n{e}.");
}
#endregion
//Print out the information that was input for confirmation
newCustomer.PrintInfo();
//Do loop to prompt for confirmation. If confirmed, data is stored to the database as a new customer
do
{
Console.WriteLine("Create new customer with this new information?");
Console.WriteLine("Press Y to confirm");
Console.WriteLine("Press N to reinput information");
Console.WriteLine("Press C to cancel");
//Using this readkey object to manage navigation
response = Console.ReadKey(false).Key;
if (response == ConsoleKey.Y)
{
//If confirmed, add the customer to the database
Console.WriteLine();
db.Add(newCustomer);
db.SaveChanges();
return(newCustomer);
}
if (response == ConsoleKey.N)
{
//Recall the method to reinput the customer information
Console.WriteLine();
return(this.AddCustomer());
}
if (response == ConsoleKey.C)
{
//break the loop to cancel the customer creation
break;
}
} while (response != ConsoleKey.Y && response != ConsoleKey.N && response != ConsoleKey.C);
return(null);
}
