Implementing a Catalog System for Multimedia Files in C#

using System;

// Base class representing a general catalog item
class CatalogItem
{
    // Common attributes for all catalog items
    public string Name { get; set; }
    public int Code { get; set; }
    public string Category { get; set; }
    public double Size { get; set; } // Size in MB

    // Constructor to initialize catalog items
    public CatalogItem(string name, int code, string category, double size)
    {
        Name = name;
        Code = code;
        Category = category;
        Size = size;
    }

    // Method to display the item details
    public virtual void ShowData()
    {
        Console.WriteLine($"Name: {Name}, Code: {Code}, Category: {Category}, Size: {Size} MB");
    }
}

// Derived class representing a movie
class Movie : CatalogItem
{
    // Additional attributes specific to movies
    public string Director { get; set; }
    public string MainActor { get; set; }
    public string MainActress { get; set; }

    // Constructor initializing both base and specific attributes
    public Movie(string name, int code, string category, double size, string director, string mainActor, string mainActress)
        : base(name, code, category, size)
    {
        Director = director;
        MainActor = mainActor;
        MainActress = mainActress;
    }

    // Overriding ShowData to include movie-specific details
    public override void ShowData()
    {
        base.ShowData();
        Console.WriteLine($"Director: {Director}, Main Actor: {MainActor}, Main Actress: {MainActress}");
    }

    // Placeholder for Play method
    public void Play()
    {
        Console.WriteLine("Playing the movie... (not implemented yet)");
    }

    // Placeholder for RetrieveInformation method
    public void RetrieveInformation()
    {
        Console.WriteLine("Retrieving movie information... (not implemented yet)");
    }
}

// Derived class representing a music file
class MusicFile : CatalogItem
{
    // Additional attributes specific to music files
    public string Singer { get; set; }
    public int Length { get; set; } // Length in seconds

    // Constructor initializing both base and specific attributes
    public MusicFile(string name, int code, string category, double size, string singer, int length)
        : base(name, code, category, size)
    {
        Singer = singer;
        Length = length;
    }

    // Overriding ShowData to include music file details
    public override void ShowData()
    {
        base.ShowData();
        Console.WriteLine($"Singer: {Singer}, Length: {Length} seconds");
    }

    // Placeholder for Play method
    public void Play()
    {
        Console.WriteLine("Playing the music file... (not implemented yet)");
    }

    // Placeholder for RetrieveInformation method
    public void RetrieveInformation()
    {
        Console.WriteLine("Retrieving music file information... (not implemented yet)");
    }
}

// Derived class representing a software application
class Software : CatalogItem
{
    // Constructor initializing base class attributes
    public Software(string name, int code, string category, double size)
        : base(name, code, category, size)
    {
    }
}

// Main program
class Program
{
    static void Main()
    {
        // Create an array of movies
        Movie[] movies = new Movie[]
        {
            new Movie("Inception", 101, "Sci-Fi", 1500, "Christopher Nolan", "Leonardo DiCaprio", "Ellen Page"),
            new Movie("Titanic", 102, "Romance", 1900, "James Cameron", "Leonardo DiCaprio", "Kate Winslet")
        };

        // Create an array of music files
        MusicFile[] musicFiles = new MusicFile[]
        {
            new MusicFile("Bohemian Rhapsody", 201, "Rock", 5.2, "Queen", 355),
            new MusicFile("Shape of You", 202, "Pop", 4.7, "Ed Sheeran", 240)
        };

        // Create an array of software applications
        Software[] softwares = new Software[]
        {
            new Software("Microsoft Word", 301, "Office", 1024),
            new Software("Adobe Photoshop", 302, "Design", 2048)
        };

        // Display details of all movies
        Console.WriteLine("Movies:");
        foreach (var movie in movies)
        {
            movie.ShowData();
            Console.WriteLine();
        }

        // Display details of all music files
        Console.WriteLine("Music Files:");
        foreach (var music in musicFiles)
        {
            music.ShowData();
            Console.WriteLine();
        }

        // Display details of all software applications
        Console.WriteLine("Software Applications:");
        foreach (var software in softwares)
        {
            software.ShowData();
            Console.WriteLine();
        }

        // Example of calling Play() and RetrieveInformation()
        Console.WriteLine("Testing Play and RetrieveInformation methods:");
        movies[0].Play();
        movies[0].RetrieveInformation();
        musicFiles[0].Play();
        musicFiles[0].RetrieveInformation();
    }
}

 Output

Movies:
Name: Inception, Code: 101, Category: Sci-Fi, Size: 1500 MB
Director: Christopher Nolan, Main Actor: Leonardo DiCaprio, Main Actress: Ellen Page

Name: Titanic, Code: 102, Category: Romance, Size: 1900 MB
Director: James Cameron, Main Actor: Leonardo DiCaprio, Main Actress: Kate Winslet

Music Files:
Name: Bohemian Rhapsody, Code: 201, Category: Rock, Size: 5.2 MB
Singer: Queen, Length: 355 seconds

Name: Shape of You, Code: 202, Category: Pop, Size: 4.7 MB
Singer: Ed Sheeran, Length: 240 seconds

Software Applications:
Name: Microsoft Word, Code: 301, Category: Office, Size: 1024 MB

Name: Adobe Photoshop, Code: 302, Category: Design, Size: 2048 MB

Testing Play and RetrieveInformation methods:
Playing the movie... (not implemented yet)
Retrieving movie information... (not implemented yet)
Playing the music file... (not implemented yet)
Retrieving music file information... (not implemented yet)