Need help implementing a database.cs that will store the info for the code below and another database.cs that will perform operations Create, Read, Update, Delete operations on an SQLite database. public class Category

$\{$

public string Name $\{$ get; set; $\}$

public Category$($string name$)$

$\{$

Name $=$ name;

$\}$

public string GetName$()$

$\{$

return Name;

$\}$

$\}$

public class Expense

$\{$

public int Id $\{$ get; set; $\}$

public double Amount $\{$ get; set; $\}$

public string Description $\{$ get; set; $\}$

public Category Category $\{$ get; set; $\}$

public DateTime Date $\{$ get; set; $\}$

public Expense$($int id$,$ double amount, string description, Category category, DateTime date$)$

$\{$

Id $=$ id;

Amount $=$ amount;

Description $=$ description;

Category $=$ category;

Date $=$ date;

$\}$

public double GetAmount$()$

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return Amount;

$\}$

public string GetDescription$()$

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return Description;

$\}$

public Category GetCategory$()$

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return Category;

$\}$

public DateTime GetDate$()$

$\{$

return Date;

$\}$

$\}$

using System;

using System.Collections.Generic;

public class ExpenseTracker

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public List Expenses $\{$ get; $\}=$ new List$()$;

public void AddExpense$($Expense expense$)$

$\{$

Expenses.Add$($expense$)$;

$\}$

public void RemoveExpense$($Expense expense$)$

$\{$

Expenses.Remove$($expense$)$;

$\}$

public List GetExpensesByCategory$($Category category$)$

$\{$

return Expenses.FindAll$($expense $=>$ expense.Category $==$ category$)$;

$\}$

public double GetTotalSpending$()$

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double totalSpending $=0$;

foreach $($var expense in Expenses$)$

$\{$

totalSpending $+=$ expense.Amount;

$\}$

return totalSpending;

$\}$

public double GetSpendingByCategory$($Category category$)$

$\{$

double spendingByCategory $=0$;

foreach $($var expense in Expenses$)$

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if $($expense$.$Category $==$ category$)$

$\{$

spendingByCategory $+=$ expense.Amount;

$\}$

$\}$

return spendingByCategory;

$\}$

$\}$

using System;

using System.Collections.Generic;

namespace ExpenseTrackerApp

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$$class Program

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$$static void Main$($string$[]$ args$)$

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$//$ Create an instance of ExpenseTracker

$$ExpenseTracker expenseTracker $=$ new ExpenseTracker$()$;

$//$ Add some sample expenses

$$expenseTracker$.$AddExpense$($new Expense$(1,45\mathrm{.}50,$ "Groceries", new Category$("$Food$"),$ DateTime.Now$))$;

$$expenseTracker$.$AddExpense$($new Expense$(2,25\mathrm{.}00,$ "Movie tickets", new Category$("$Entertainment$"),$ DateTime.Now.AddDays$(-2)))$;

$$expenseTracker$.$AddExpense$($new Expense$(3,100\mathrm{.}00,$ "Car repair", new Category$("$Transportation$"),$ DateTime.Now.AddDays$(-5)))$;

$//$ Print the total spending

$$Console$.$WriteLine$("$Total spending: $\{0$:C$\}",$ expenseTracker.GetTotalSpending$())$;

$//$ Print expenses by category

$$Console$.$WriteLine$("$

Expenses by category:"$)$;

$$foreach $($var category in expenseTracker.Expenses.Select$($e $=>$ e$.$Category$).$Distinct$())$

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$$Console$.$WriteLine$($$$"-\{$category$.$GetName$()\}$: $\{$expenseTracker$.$GetSpendingByCategory$($category$)$:C$\}")$;

$\}$

$//$ Demonstrate other methods as needed $($e$.$g$.,$ adding$/$removing expenses, getting expenses by category$)$

$$Console$.$ReadLine$()$; $//$ Keep the console open

$\}$

$\}$

$\}$

public class User

$\{$

public int Id $\{$ get; set; $\}$

public string Name $\{$ get; set; $\}$

public string Email $\{$ get; set; $\}$

public User$($int id$,$ string name, string email$)$

$\{$

Id $=$ id;

Name $=$ name;

Email $=$ email;

$\}$

public int GetId$()$

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return Id;

$\}$

public string GetName$()$

$\{$

return Name;

$\}$

public string GetEmail$()$

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return Email;

$\}$

$\}$