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In: Computer Science

In C# thanks please, Design a class named Person with properties for holding a person’s name,...

In C# thanks please,

Design a class named Person with properties for holding a person’s name, address, and telephone number.

Design a class named Customer, which is derived from the Person class. The Customer class should have the variables and properties for the customer number, customer email, a spentAmount of the customer’s purchases, and a Boolean variable indicating whether the customer wishes to be on a mailing list. It also includes a function named calcAmount that calculates the spentAmount.

All retail store has a preferred customer plan where customers can earn discounts on all their purchases. The amount of a customer’s discount is determined by the amount of the customer’s cumulative purchases in the store as follows:

  • When a preferred customer spends $500, he or she gets a 5% discount on all future purchases.
  • When a preferred customer spends $1000, he or she gets a 6% discount on all future purchases.
  • When a preferred customer spends $1500, he or she gets an 8% discount on all future purchases.
  • When a preferred customer spends $2000, he or she gets a 10% discount on all future purchases.

Design a class named PreferredCustomer, which is derived from the Customer class. The PreferredCustomer class should have a variable, discountLevel, with a read-only property. It alsoincludes a setDiscountLevel function that determine the discount level based on the purchases amount using switch statement and an override function, calcAmount, calculates the spentAmount with the current discount level.

Create a CustomerDemo class. In the main function, the program calls the getData function to read the data from the “CustomerInfo.txt” file and create a dynamic array of PreferredCustomer object.  Then, it prompts user to enter a customer number and displays a menu:

  1. Display Customer Information: display the specific customer information
  2. Update Spent Amount: update the total amount with the correct discount level

After update the spent Amount, the program writes the updated information back to file.

Example for customer info.txt below (there are 5 persons)

Kyle Jones

879 hobbs st. boston,MA 84758

456-789-0001

JLA9876A

[email protected]

3000

true

.

.

.

.

Solutions

Expert Solution

SOLUTION -

I have solve the problem in C# code with comments and screenshot for easy understanding :)

Screenshot

Program

using System;
using System.IO;

namespace CustomerDemo
{
    //MAin Program
    class Program
    {
        static void Main(string[] args)
        {
            //Array to store customers
            PrefferedCostumer[] pc = new PrefferedCostumer[] { };
            pc=getData();
            //Loop until exit
            while (true)
            {
                //Each option
                Console.WriteLine("OPTIONS:-\n1. Display Cutomer Information\n2. Update Spend Amount\n3. Exit");
                int opt = Convert.ToInt32(Console.ReadLine());
                //ErrorEventArgs check
                while(opt<1 || opt > 3)
                {
                    Console.WriteLine("\nIncorrect option|||\n");
                    Console.WriteLine("\nOPTIONS:-\n1. Display Cutomer Information\n2. Update Spend Amount\n3. Exit");
                    opt = Convert.ToInt32(Console.ReadLine());
                }
                //Execute options
                if (opt == 1)
                {
                    bool check = false;
                    //Get customer number
                    Console.WriteLine("\nEnter customer number: ");
                    string number = Console.ReadLine();
                    //If match display details
                    for(int i = 0; i < pc.Length; i++)
                    {
                        if (pc[i].GetNumber.CompareTo(number) == 0)
                        {
                            Console.WriteLine(pc[i]);
                            check = true;
                            break;
                        }
                    }
                    if (check == false)
                    {
                        Console.WriteLine("\nNot found!!!\n");
                    }
                }
                else if (opt == 2)
                {
                    bool check = false;
                    //Get customer number
                    Console.WriteLine("\nEnter customer number: ");
                    string number = Console.ReadLine();
                    //If match get cutomer spend amout and write into file
                    for (int i = 0; i < pc.Length; i++)
                    {
                        if (pc[i].GetNumber.CompareTo(number) == 0)
                        {
                            Console.WriteLine("Enter spend amount: ");
                            double amt = Convert.ToDouble(Console.ReadLine());
                            pc[i].GetSpend = amt;
                            pc[i].setDiscount();
                            pc[i].calculateAmt();
                            using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:/Users/deept/source/repos/CustomerDemo/CustomerDemo/CustomerInfo.txt"))
                            {
                                file.WriteLine(pc.Length);
                                foreach (PrefferedCostumer p in pc)
                                {
                                    file.WriteLine(p);
                                }
                            }
                            check = true;
                            break;
                        }
                    }
                    if (check == false)
                    {
                        Console.WriteLine("\nNot found!!!\n");
                    }
                }
                else if (opt == 3)
                {
                    break;
                }
            }
        }
        //Method read data from file and store into array and return array
        static PrefferedCostumer[] getData()
        {
            PrefferedCostumer p=new PrefferedCostumer();
            PrefferedCostumer[] pc = new PrefferedCostumer[] { };
            using (StreamReader file = new StreamReader("C:/Users/deept/source/repos/CustomerDemo/CustomerDemo/CustomerInfo.txt"))
            {
                int counter = 0,i=0;
                string ln;
                int cnt = Convert.ToInt32(file.ReadLine());
                pc = new PrefferedCostumer[cnt];
                while ((ln = file.ReadLine()) != null)
                {
                    if (i == 0)
                    {
                        p.GetName = ln;
                        i++;
                    }
                    else if (i == 1)
                    {
                        p.GetAddress = ln;
                        i++;
                    }
                    else if (i == 2)
                    {
                        p.GetPhone = ln;
                        i++;
                    }
                    else if (i == 3)
                    {
                        p.GetNumber = ln;
                        i++;
                    }
                    else if (i == 4)
                    {
                        p.GetEmail = ln;
                        i++;
                    }
                    else if (i == 5)
                    {
                        p.GetSpend = Convert.ToDouble(ln);
                        i++;
                    }
                    else if (i == 6)
                    {
                        p.GetMail =ln;
                        pc[counter] = new PrefferedCostumer(p.GetName,p.GetAddress,p.GetPhone,p.GetNumber,p.GetEmail,p.GetSpend,bool.Parse(p.GetMail));
                        i=0;
                        counter += 1;
                    }
                }
                file.Close();
                return pc;
            }
        }
    }
    //Base class
    class Person
    {
        //Attributes
        private string name, phoneNum, address;
        // Default Constructor
        public Person()
        {
            name = phoneNum = address = "";
        }
        //Parameterized constructor
        public Person(string n,string a,string p)
        {
            name = n;
            phoneNum = p;
            address = a;
        }
        //Getters and setters
        public string GetName
        {
            get { return name; }
            set
            {
                name = value;
            }
        }
        public string GetPhone
        {
            get { return phoneNum; }
            set
            {
               phoneNum = value;
            }
        }
        public string GetAddress
        {
            get { return address; }
            set
            {
                address = value;
            }
        }
        //Get details as string
        public override string ToString()
        {
            return name + "\n" + address + "\n" + phoneNum ;
        }
    }
    //Derived class
    class Customer : Person
    {
        //Attributes
        private string number;
        private string email;
        private double spendAmt;
        private bool mailingListWish;
        //Default constructor
        public Customer(): base()
        {
            number="";
            email="";
            spendAmt=0;
            mailingListWish=false;
        }
        //DParameterized constructor
        public Customer(string n, string a, string p,string num,string em,double sAmt,bool wish) : base(n,a,p)
        {
            number = num;
            email = em;
            spendAmt = sAmt;
            mailingListWish = wish;
        }
        //Getters and setters
        public string GetNumber
        {
            get { return number;}
            set { number = value; }
        }
        public string GetEmail
        {
            get { return email; }
            set { email = value; }
        }
        public double GetSpend
        {
            get { return spendAmt; }
            set { spendAmt = value; }
        }
        public string GetMail
        {
            get { if (mailingListWish) return "true"; else return "false"; }
            set { if (value=="true") mailingListWish=true; else mailingListWish=false; }
        }
        //Details a string representation
        public override string ToString()
        {
            return base.ToString() + "\n" + number + "\n" + email + "\n" + spendAmt.ToString() + "\n" + GetMail;
        }
        //Overriding function for spend amount calculation
        public virtual void calculateAmt() { }
    }
    //Derived class
    class PrefferedCostumer : Customer
    {
        //Attribute
        private double discountLevel;
        //Constructors
        public PrefferedCostumer() : base() { }
        public PrefferedCostumer(string n, string a, string p, string num, string em, double sAmt, bool wish) : base(n,a,p,num,em,sAmt,wish) { }
        //Read only property
        public double GetDiscount { get { return discountLevel; } }
        //SetDiscount property
        public void setDiscount()
        {
            switch (base.GetSpend)
            {
                case 500:
                    discountLevel = .05;
                    break;
                case 1000:
                    discountLevel = .06;
                    break;
                case 1500:
                    discountLevel = .08;
                    break;
                case 2000:
                    discountLevel = .10;
                    break;
                default:
                    discountLevel = 0;
                    break;
            }
        }
        //Calculate spend amount
        public override void calculateAmt() { base.GetSpend = base.GetSpend - (base.GetSpend * discountLevel); }
    }
}

The CustomerInfo.txt file is:

5
Anna Alaniz
123 10th st, McAllen, TX 78504
956-456-7899
A0000001
aalaniz @ g mail.com
2500
true
Bob Ho
456 15th st, McAllen, TX 78504
956-456-1000
A0000002
bobho @ g mail.com
2500
true
Hector Alcoser
2004 44th st, McAllen, TX 78501
956-456-5555
A0000003
hAlcoser @ g mail.com
495
false
Jorge Lee
123 10th st, McAllen, TX 78504
956-555-6666
A0000004
jlee @ g mail.com
1200
true
Pablo Gonzalez
777 2th st, McAllen, TX 78502
956-100-2000
A0000005
pGonzalez @ yahoo.com
1750
false


Output

OPTIONS:-
1. Display Cutomer Information
2. Update Spend Amount
3. Exit
1

Enter customer number:
A0000001
Anna Alaniz
123 10th st, McAllen, TX 78504
956-456-7899
A0000001
aalaniz @ g mail.com
2500
true
OPTIONS:-
1. Display Cutomer Information
2. Update Spend Amount
3. Exit
2

Enter customer number:
A0000001
Enter spend amount:
2600
OPTIONS:-
1. Display Cutomer Information
2. Update Spend Amount
3. Exit
1

Enter customer number:
A0000001
Anna Alaniz
123 10th st, McAllen, TX 78504
956-456-7899
A0000001
aalaniz @ g mail.com
2600
true
OPTIONS:-
1. Display Cutomer Information
2. Update Spend Amount
3. Exit
3
Press any key to continue . . .


IF YOU HAVE ANY DOUBT PLEASE COMMENT DOWN BELOW I WILL SOLVE IT FOR YOU:)
----------------PLEASE RATE THE ANSWER-----------THANK YOU!!!!!!!!----------


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