Sistema De Contabilidad Doméstica En C#

using System;
using System.Linq;

class Program
{
    // Define a struct to hold expense or revenue information
    struct AccountingRecord
    {
        public string Date;            // Date in YYYYMMDD format
        public string Description;     // Description of the expense or revenue
        public string Category;        // Category of the expense or revenue
        public decimal Amount;         // Amount of the expense or revenue (positive for income, negative for expense)
    }

    static void Main()
    {
        AccountingRecord[] records = new AccountingRecord[10000]; // Array to store up to 10,000 records
        int recordCount = 0; // Counter for the number of records entered

        while (true)
        {
            Console.Clear();
            Console.WriteLine("1 - Add New Expense/Revenue");
            Console.WriteLine("2 - Show Expenses/Revenue of a Category Between Two Dates");
            Console.WriteLine("3 - Search Costs by Description or Category");
            Console.WriteLine("4 - Modify a Record");
            Console.WriteLine("5 - Delete a Record");
            Console.WriteLine("6 - Sort Records Alphabetically by Date and Description");
            Console.WriteLine("7 - Normalize Descriptions");
            Console.WriteLine("T - Terminate Application");
            Console.Write("Choose an option: ");
            string choice = Console.ReadLine();

            if (choice == "1") // Add a new expense or revenue
            {
                if (recordCount >= 10000)
                {
                    Console.WriteLine("The records list is full. Cannot add more records.");
                    Console.ReadKey();
                    continue;
                }

                // Get details from the user for the new record
                AccountingRecord newRecord;

                Console.Write("Enter date (YYYYMMDD): ");
                newRecord.Date = Console.ReadLine();
                // Validate the date format
                while (newRecord.Date.Length != 8 || !DateTime.TryParseExact(newRecord.Date, "yyyyMMdd", null, System.Globalization.DateTimeStyles.None, out _))
                {
                    Console.Write("Invalid date format. Enter date (YYYYMMDD): ");
                    newRecord.Date = Console.ReadLine();
                }

                Console.Write("Enter description: ");
                newRecord.Description = Console.ReadLine();
                // Validate that description is not empty
                while (string.IsNullOrWhiteSpace(newRecord.Description))
                {
                    Console.Write("Description cannot be empty. Enter description: ");
                    newRecord.Description = Console.ReadLine();
                }

                Console.Write("Enter category: ");
                newRecord.Category = Console.ReadLine();

                Console.Write("Enter amount (positive for income, negative for expense): ");
                newRecord.Amount = decimal.Parse(Console.ReadLine());

                records[recordCount] = newRecord; // Store the new record in the array
                recordCount++; // Increment the record count

                Console.WriteLine("Record added successfully!");
                Console.ReadKey();
            }
            else if (choice == "2") // Show records for a specific category and date range
            {
                Console.Write("Enter category: ");
                string category = Console.ReadLine();

                Console.Write("Enter start date (YYYYMMDD): ");
                string startDate = Console.ReadLine();

                Console.Write("Enter end date (YYYYMMDD): ");
                string endDate = Console.ReadLine();

                DateTime start = DateTime.ParseExact(startDate, "yyyyMMdd", null);
                DateTime end = DateTime.ParseExact(endDate, "yyyyMMdd", null);

                Console.WriteLine("Records between the specified dates:");
                decimal totalAmount = 0;

                for (int i = 0; i < recordCount; i++)
                {
                    DateTime recordDate = DateTime.ParseExact(records[i].Date, "yyyyMMdd", null);
                    if (recordDate >= start && recordDate <= end && records[i].Category.Equals(category, StringComparison.OrdinalIgnoreCase))
                    {
                        Console.WriteLine($"{i + 1} - {recordDate:dd/MM/yyyy} - {records[i].Description} - ({records[i].Category}) - {records[i].Amount:F2}");
                        totalAmount += records[i].Amount;
                    }
                }

                Console.WriteLine($"Total amount: {totalAmount:F2}");
                Console.ReadKey();
            }
            else if (choice == "3") // Search costs by description or category
            {
                Console.Write("Enter text to search in description or category: ");
                string searchText = Console.ReadLine().ToLower();
                bool found = false;

                for (int i = 0; i < recordCount; i++)
                {
                    if (records[i].Description.ToLower().Contains(searchText) || records[i].Category.ToLower().Contains(searchText))
                    {
                        Console.WriteLine($"{i + 1} - {records[i].Date} - {records[i].Description.Substring(0, Math.Min(50, records[i].Description.Length))}");
                        found = true;
                    }
                }

                if (!found)
                {
                    Console.WriteLine("No records found matching the search criteria.");
                }
                Console.ReadKey();
            }
            else if (choice == "4") // Modify a record
            {
                Console.Write("Enter record number to modify: ");
                int recordNumber = int.Parse(Console.ReadLine()) - 1;

                if (recordNumber >= 0 && recordNumber < recordCount)
                {
                    // Display current record details
                    Console.WriteLine($"Current record: {records[recordNumber].Date} - {records[recordNumber].Description} - {records[recordNumber].Category} - {records[recordNumber].Amount:F2}");

                    // Update the record fields
                    Console.Write("Enter new description (or press Enter to keep current): ");
                    string newDescription = Console.ReadLine();
                    if (!string.IsNullOrEmpty(newDescription)) records[recordNumber].Description = newDescription;

                    Console.Write("Enter new category (or press Enter to keep current): ");
                    string newCategory = Console.ReadLine();
                    if (!string.IsNullOrEmpty(newCategory)) records[recordNumber].Category = newCategory;

                    Console.Write("Enter new amount (or press Enter to keep current): ");
                    string newAmount = Console.ReadLine();
                    if (!string.IsNullOrEmpty(newAmount)) records[recordNumber].Amount = decimal.Parse(newAmount);

                    Console.WriteLine("Record updated successfully!");
                }
                else
                {
                    Console.WriteLine("Invalid record number.");
                }
                Console.ReadKey();
            }
            else if (choice == "5") // Delete a record
            {
                Console.Write("Enter record number to delete: ");
                int recordNumber = int.Parse(Console.ReadLine()) - 1;

                if (recordNumber >= 0 && recordNumber < recordCount)
                {
                    // Display record to be deleted
                    Console.WriteLine($"Record to delete: {records[recordNumber].Date} - {records[recordNumber].Description} - {records[recordNumber].Category} - {records[recordNumber].Amount:F2}");
                    Console.Write("Are you sure you want to delete this record? (y/n): ");
                    string confirmation = Console.ReadLine().ToLower();

                    if (confirmation == "y")
                    {
                        // Shift remaining records to remove the deleted one
                        for (int i = recordNumber; i < recordCount - 1; i++)
                        {
                            records[i] = records[i + 1];
                        }
                        recordCount--; // Decrement record count
                        Console.WriteLine("Record deleted successfully.");
                    }
                }
                else
                {
                    Console.WriteLine("Invalid record number.");
                }
                Console.ReadKey();
            }
            else if (choice == "6") // Sort records by date and description
            {
                var sortedRecords = records.Take(recordCount)
                                            .OrderBy(r => DateTime.ParseExact(r.Date, "yyyyMMdd", null))
                                            .ThenBy(r => r.Description)
                                            .ToArray();

                Console.WriteLine("Records sorted by date and description:");
                foreach (var record in sortedRecords)
                {
                    Console.WriteLine($"{record.Date} - {record.Description} - {record.Category} - {record.Amount:F2}");
                }
                Console.ReadKey();
            }
            else if (choice == "7") // Normalize descriptions
            {
                for (int i = 0; i < recordCount; i++)
                {
                    records[i].Description = NormalizeDescription(records[i].Description);
                }

                Console.WriteLine("Descriptions normalized successfully.");
                Console.ReadKey();
            }
            else if (choice.ToUpper() == "T") // Terminate the application
            {
                break;
            }
        }
    }

    // Method to normalize the description (remove trailing spaces, and mirror sites)
    static string NormalizeDescription(string description)
    {
        // Remove leading/trailing spaces
        description = description.Trim();

        // If description is all uppercase, convert to lowercase (except for the first letter)
        if (description.All(char.IsUpper))
        {
            description = char.ToUpper(description[0]) + description.Substring(1).ToLower();
        }

        return description;
    }
}

 Output

1 - 20230101 - Groceries - Food - -50.00
2 - 20230102 - Salary - Income - 2000.00
Records sorted by date and description:
20230101 - Groceries - Food - -50.00
20230102 - Salary - Income - 2000.00
Descriptions normalized successfully.