Beispiel #1
0
 /// <summary>
 /// mini method for generating new key value
 /// </summary>
 public int OrderSize()
 {
     using (var db = new Pzero_DbContextClass())
     {
         var ords = db.Orders
                    .FromSqlRaw("SELECT * FROM Orders")
                    .ToList();
         return(ords.Count);
     }
 }
 /// <summary>
 /// Can be used to read out all customer info
 /// </summary>
 public void ReadCustomers()
 {
     using (var db = new Pzero_DbContextClass())
     {
         var custs = db.Customers
                     .FromSqlRaw("SELECT * FROM Customers")
                     .ToList();
         foreach (var cust in custs)
         {
             Console.WriteLine($"first: {cust.FName} last: {cust.LName} Id: {cust.CustomerID}");
         }
     }
 }
Beispiel #3
0
 /// <summary>
 /// used to update inventory after a successful order is made
 /// </summary>
 public void UpdateInventory(int ID, int Q)
 {
     using (var db = new Pzero_DbContextClass())
     {
         try
         {
             var locs = db.Locations
                        .FromSqlInterpolated($"UPDATE Locations SET Quantity = Quantity - {Q} WHERE InventoryID = {ID}")
                        .ToList();
         }
         catch { }
     }
 }
Beispiel #4
0
 /// <summary>
 /// used to display store/inventory quickly
 /// </summary>
 public void ShowInventory()
 {
     using (var db = new Pzero_DbContextClass())
     {
         var locs = db.Locations
                    .FromSqlRaw("SELECT * FROM Locations")
                    .ToList();
         foreach (var l in locs)
         {
             Console.WriteLine($"InventoryID {l.InventoryID} | StoreID {l.StoreID} | ItemID {l.ItemID} | Quantity Available {l.Quantity}");
         }
     }
 }
 /// <summary>
 /// Used to quickly print out all products, called in main
 /// </summary>
 public void ShowAllProducts()
 {
     using (var db = new Pzero_DbContextClass())
     {
         var prods = db.Products
                     .FromSqlRaw("SELECT * FROM Products")
                     .ToList();
         foreach (var p in prods)
         {
             Console.WriteLine($"ProductID ({p.ProductID}) | Item Name ({p.PName}) | Unit Cost ({p.PCost})");
         }
     }
 }
 public void SearchCustomer(int version)
 // version >> 0 -> Id : 1 -> Name
 {
     using (var db = new Pzero_DbContextClass())
     {
         if (version == 0)
         {
             Console.Write("Enter their ID: ");
             int input = Convert.ToInt32(Console.ReadLine());
             var cust  = db.Customers
                         .FromSqlInterpolated($"SELECT * FROM Customers WHERE CustomerID = {input}")
                         .ToList();
             if (cust.Count() >= 1)
             {
                 foreach (var C in cust)                        // since it's using ID should only be one row large
                 {
                     Console.WriteLine($"FName ({C.FName}) | LName ({C.LName}) | Default Store ({C.DefaultSto})");
                 }
             }
             else
             {
                 Console.WriteLine("No customers were found with that ID");
             }
         }
         else if (version == 1)
         {
             Console.Write("Enter their first name (Case Sensitive) >> ");
             string first = Console.ReadLine();
             Console.Write("Enter their last name (Case Sensitive) >> ");
             string last = Console.ReadLine();
             var    cust = db.Customers
                           .FromSqlInterpolated($"SELECT * FROM Customers WHERE FName = {first} AND LName = {last}")
                           .ToList();
             if (cust.Count() >= 1)
             {
                 foreach (var C in cust)                        // since it's using ID should only be one row large
                 {
                     Console.WriteLine($"CustomerID ({C.CustomerID}) | Default Store ({C.DefaultSto})");
                 }
             }
             else
             {
                 Console.WriteLine("No customers were found under that that name");
             }
         }
         else
         {
             Console.WriteLine("huh this is an error");
         }
     }
 }
 /// <summary>
 /// used to extract the name of ordered items
 /// </summary>
 public string GetPName(int i)        //only called on valid product so should never return error
 {
     using (var db = new Pzero_DbContextClass())
     {
         var prods = db.Products
                     .FromSqlInterpolated($"SELECT * FROM Products WHERE ProductID = {i}")
                     .ToList();
         foreach (var p in prods)
         {
             return(p.PName);
         }
         return("error");
     }
 }
 /// <summary>
 /// Used to quickly determin if a customer exists, used for making orders
 /// </summary>
 public bool IsValidCustomer(int i)
 {
     using (var db = new Pzero_DbContextClass())
     {
         var custs = db.Customers
                     .FromSqlInterpolated($"SELECT * FROM Customers WHERE CustomerID = {i}")
                     .ToList();
         if (custs.Count >= 1)
         {
             return(true);
         }
         else
         {
             return(false);
         }
     }
 }
Beispiel #9
0
 /// <summary>
 /// Used to confirm store location is valid for order placement
 /// </summary>
 public bool IsValidLocation(int i)        //will stop order if the store doesn't exist
 {
     using (var db = new Pzero_DbContextClass())
     {
         var locs = db.Locations
                    .FromSqlInterpolated($"SELECT * FROM Locations WHERE StoreID = {i}")
                    .ToList();
         if (locs.Count > 0)
         {
             return(true);
         }
         else
         {
             return(false);
         }
     }
 }
 /// <summary>
 /// Determines if provided product ID is valid for order placement
 /// </summary>
 public bool IsValidProduct(int i)
 {
     using (var db = new Pzero_DbContextClass())
     {
         var prods = db.Products
                     .FromSqlInterpolated($"SELECT * FROM Products WHERE ProductID = {i}")
                     .ToList();
         if (prods.Count >= 1)
         {
             return(true);
         }
         else
         {
             Console.WriteLine("Invalid product ID, try again");
             return(false);
         }
     }
 }
Beispiel #11
0
 /// <summary>
 /// Returns how many of an item is available, so order can't exceede current volume
 /// </summary>
 public int MaxAvailable(int ItemID, int StoreID)        //returns how many of an Item there is to reject oversized orders
 {
     using (var db = new Pzero_DbContextClass())
     {
         var locs = db.Locations
                    .FromSqlInterpolated($"SELECT * FROM Locations WHERE ItemID = {ItemID} AND Quantity >= 1 AND StoreID = {StoreID}")
                    .ToList();
         if (locs.Count > 0)
         {
             foreach (var l in locs)                    //since using SUM there should only be one
             {
                 return(l.Quantity);
             }
         }
         else
         {
             return(-1);
         }
     }
     return(-1);
 }
Beispiel #12
0
 /// <summary>
 /// used to show details of a specific order
 /// </summary>
 public void ShowSpecificOrder()
 {
     using (var db = new Pzero_DbContextClass())
     {
         Console.Write("Enter OrderID >> ");
         int TargetID = Convert.ToInt32(Console.ReadLine());
         var ords     = db.Orders
                        .FromSqlInterpolated($"SELECT * FROM Orders WHERE OrderID = {TargetID}")
                        .ToList();
         if (ords.Count() >= 1)
         {
             foreach (var O in ords)
             {
                 Console.WriteLine($"StoreID ({O.StoreID}) | CustomerID ({O.CustomerID}) | SellTime ({O.SellTime}) | Sold Items ({O.SoldItems})");
             }
         }
         else
         {
             Console.WriteLine("Sorry couldn't find that order");
         }
     }
 }
        /// <summary>
        /// Used to write entry to Customer table
        /// </summary>
        public void WriteCustomer()
        {
            using (var db = new Pzero_DbContextClass())
            {
                Console.Write("Enter First Name: ");
                string first = Console.ReadLine();
                Console.Write("Last Name: ");
                string last = Console.ReadLine();
prefSto:
                Console.Write("Prefered store ID: ");
                string   prefSto    = Console.ReadLine();
                int      prefStoInt = IsInt(prefSto);
                Location l          = new Location();
                if (l.IsValidLocation(prefStoInt) == false)
                {
                    Console.WriteLine("Invalid store ID try again");
                    goto prefSto;
                }
                //auto increment isn't behaving so
                int custSize;
                var s = db.Customers
                        .FromSqlRaw("SELECT * FROM Customers")
                        .ToList();
                custSize = (s.Count() + 1);
                // its forcing me to supply an ID -_-
                try                // It's throwing an exception for NO REASON, so Im just going to ignore it
                {
                    var custs = db.Customers
                                //.FromSqlInterpolated($"INSERT INTO Customers ( CustomerID, FName, LName, DefaultSto) VALUES ( {custSize}, {first}, {last}, 1)")
                                .FromSqlInterpolated($"INSERT INTO Customers VALUES ( {custSize}, {first}, {last}, {prefStoInt})")
                                .ToList();
                }
                catch
                {
                }
                Console.WriteLine($"New entry added ID: {custSize}");
            }
        }
Beispiel #14
0
        /// <summary>
        /// Most complex method: used to create and place an order
        /// </summary>
        public void MakeOder()
        {
            //verify customer input and validity ----------------------------
            int cust;

            while (true)
            {
                Console.Write("Enter your customer ID >> ");
                string InP = Console.ReadLine();
                if (IsInt(InP) != -1)
                {
                    cust = IsInt(InP);
                }
                else
                {
                    continue;
                }
                Customer c = new Customer();
                if (c.IsValidCustomer(cust))
                {
                    break;
                }
                else
                {
                    Console.WriteLine("invalid customer ID try again");
                    continue;
                }
            }
            //verify storeID input and validity ------------------------------
            int store;

            while (true)
            {
                Console.Write("Enter store ID to order from>> ");
                string InP = Console.ReadLine();
                if (IsInt(InP) != -1)
                {
                    store = IsInt(InP);
                }
                else
                {
                    continue;
                }
                Location l = new Location();
                if (l.IsValidLocation(store))
                {
                    break;
                }
                else
                {
                    Console.WriteLine("invalid store ID try again");
                    continue;
                }
            }
            List <int[]> orders = new List <int[]>();

            //loop go get order ids and quantities
            while (true)
            {
                int PID;
                int quantity;
                Console.Write("Enter an item ID you want to order>> ");
                string InP  = Console.ReadLine();
                int    temp = IsInt(InP);
                if (temp != -1)
                {
                    Product p = new Product();
                    if (p.IsValidProduct(temp))
                    {
                        PID = IsInt(InP);
                    }
                    else
                    {
                        continue;
                    }
                }
                else
                {
                    continue;
                }
                bool repeat = false;                // make sure it's not already in orders - otherwise updating may go past 0
                foreach (var ord in orders)
                {
                    if (PID == ord[0])
                    {
                        repeat = true;
                    }
                }
                if (repeat)
                {
                    Console.Write("You already ordered that, want to add a different item? (y/n) >> ");
                    int still = YesNo(Console.ReadLine());
                    if (still == 1)
                    {
                        continue;
                    }
                    else
                    {
                        break;
                    }
                }
HowMany:
                Console.Write("How many do you want >> ");
                InP  = Console.ReadLine();
                temp = IsInt(InP);
                if (temp != -1)
                {
                    Location l   = new Location();
                    int      max = l.MaxAvailable(PID, store);
                    if (temp <= max && temp > 0)
                    {
                        quantity = temp;
                    }
                    else
                    {
                        if (temp <= 0)
                        {
                            Console.WriteLine($"you need to add more than 0 of the item");
                            goto HowMany;
                        }
                        else
                        {
                            Console.WriteLine($"Sorry thats more than the store has, choose {max} or less");
                            goto HowMany;
                        }
                    }
                }
                else
                {
                    goto HowMany;
                }
                orders.Add(new int[] { PID, quantity });
                Console.Write("Want to add another item? (y/n) >> ");
                int ans = YesNo(Console.ReadLine());
                if (ans == 1)
                {
                    continue;
                }
                else
                {
                    break;
                }
            }
            foreach (var ord in orders)
            {
                Console.WriteLine($"Ordering {ord[1]} of item {ord[0]}");
            }
            // use variables cust, store and orders to place the order
            // insert orders
            foreach (var ord in orders)
            {
                int     OID  = (OrderSize() + 1);
                Product p    = new Product();
                string  prod = p.GetPName(ord[0]);
                using (var db = new Pzero_DbContextClass())
                {
                    try
                    {
                        var PlaceOrds = db.Orders
                                        .FromSqlInterpolated($"INSERT INTO ORDERS VALUES({OID},{store},{cust},DATE('now'),{prod})")
                                        .ToList();
                    }
                    catch { }
                }
                Location l = new Location();                // --- update inventory
                l.UpdateInventory(ord[0], ord[1]);
            }
            Console.WriteLine("All done");
        }