Done

api-cinema-challenge/api-cinema-challenge/DTO/CustomerDTO/CreateCustomerDTO.cs

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+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace api_cinema_challenge.DTO.CustomerDTO
+{
+    public class CreateCustomerDTO
+    {
+        public string Name { get; set; }
+
+        public string Email { get; set; }
+
+        public string Phone { get; set; }
+
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/CustomerDTO/CustomerNoTicketDTO.cs

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+using api_cinema_challenge.DTO.TicketDTO;
+
+namespace api_cinema_challenge.DTO.CustomerDTO
+{
+    public class CustomerNoTicketDTO
+    {
+        public int Id { get; set; }
+
+        public string Name { get; set; }
+
+        public string Email { get; set; }
+
+        public string Phone { get; set; }
+
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/CustomerDTO/CustomersDTO.cs

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+using System.ComponentModel.DataAnnotations.Schema;
+using api_cinema_challenge.DTO.TicketDTO;
+using api_cinema_challenge.Models;
+
+namespace api_cinema_challenge.DTO.CustomerDTO
+{
+    public class CustomersDTO
+    {
+        public int Id { get; set; }
+
+        public string Name { get; set; }
+
+        public string Email { get; set; }
+
+        public string Phone { get; set; }
+
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+        public virtual ICollection<TicketsDTO> Tickets { get; set; } = new List<TicketsDTO>();
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/MovieDTO/CreateMovieDTO.cs

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+namespace api_cinema_challenge.DTO.MovieDTO
+{
+    public class CreateMovieDTO
+    {
+        public string Title { get; set; }
+
+        public string Rating { get; set; }
+
+        public string Description { get; set; }
+
+        public int RuntimeMins { get; set; }
+
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/MovieDTO/MoviesDTO.cs

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+using api_cinema_challenge.DTO.ScreeningDTO;
+using api_cinema_challenge.Models;
+
+namespace api_cinema_challenge.DTO.MovieDTO
+{
+    public class MoviesDTO
+    {
+        public int Id { get; set; }
+
+        public string Title { get; set; }
+
+        public string Rating { get; set; }
+
+        public string Description { get; set; }
+
+        public int RuntimeMins { get; set; }
+
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+        public virtual ICollection<ScreeningNoMovieDTO> Screenings { get; set; } = new List<ScreeningNoMovieDTO>();
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/ScreeningDTO/CreateScreeningDTO.cs

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+namespace api_cinema_challenge.DTO.ScreeningDTO
+{
+    public class CreateScreeningDTO
+    {
+
+        public int ScreenNumber { get; set; }
+
+        public int Capacity { get; set; }
+
+        public DateTime StartsAt { get; set; }
+
+        public int MovieId { get; set; }
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/ScreeningDTO/ScreeningNoMovieDTO.cs

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+using api_cinema_challenge.DTO.MovieDTO;
+
+namespace api_cinema_challenge.DTO.ScreeningDTO
+{
+    public class ScreeningNoMovieDTO
+    {
+        public int Id { get; set; }
+
+        public int ScreenNumber { get; set; }
+
+        public int Capacity { get; set; }
+
+        public DateTime StartsAt { get; set; }
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/ScreeningDTO/ScreeningsDTO.cs

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+using System.ComponentModel.DataAnnotations.Schema;
+using api_cinema_challenge.DTO.MovieDTO;
+
+namespace api_cinema_challenge.DTO.ScreeningDTO
+{
+    public class ScreeningsDTO
+    {
+        public int Id { get; set; }
+
+        public int ScreenNumber { get; set; }
+
+        public int Capacity { get; set; }
+
+        public DateTime StartsAt { get; set; }
+        public MoviesDTO Movie { get; set; }
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/TicketDTO/CreateTicketDTO.cs

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+using api_cinema_challenge.Models;
+
+namespace api_cinema_challenge.DTO.TicketDTO
+{
+    public class CreateTicketDTO
+    {
+        public int NumSeats { get; set; }
+
+        public int CustomerId { get; set; }
+
+        public int ScreeningId { get; set; }
+    }
+}

api-cinema-challenge/api-cinema-challenge/DTO/TicketDTO/TicketsDTO.cs

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+using api_cinema_challenge.DTO.CustomerDTO;
+using api_cinema_challenge.DTO.ScreeningDTO;
+using api_cinema_challenge.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace api_cinema_challenge.DTO.TicketDTO
+{
+    public class TicketsDTO
+    {
+        public int Id { get; set; }
+
+        public int NumSeats { get; set; }
+
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+        public CustomerNoTicketDTO Customer { get; set; }
+
+        public ScreeningsDTO Screening { get; set; }
+    }
+}

api-cinema-challenge/api-cinema-challenge/Data/DataContext.cs

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+using api_cinema_challenge.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace api_cinema_challenge.Data
+{
+    public class DataContext : DbContext
+    {
+        private string connectionString;
+        public DataContext()
+        {
+            var configuration = new ConfigurationBuilder().AddJsonFile("appsettings.json").Build();
+            connectionString = configuration.GetValue<string>("ConnectionStrings:DefaultConnectionString");
+
+        }
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            optionsBuilder.UseNpgsql(connectionString);
+
+            //set primary of order?
+
+            //seed data?
+
+        }
+        public DbSet<Movie> Movies { get; set; }
+        public DbSet<Customer> Customers { get; set; }
+        public DbSet<Ticket> Tickets { get; set; }
+        public DbSet<Screening> Screenings { get; set; }
+
+    }
+}

api-cinema-challenge/api-cinema-challenge/Data/Seed.cs

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+using api_cinema_challenge.Models;
+
+namespace api_cinema_challenge.Data
+{
+    public static class Seed
+    {
+        private static readonly Random Random = new Random();
+
+        public async static Task SeedDatabase(this WebApplication app)
+        {
+            using (var db = new DataContext())
+            {
+                // Seed Movies
+                if (!db.Movies.Any())
+                {
+                    var movies = new List<Movie>
+                    {
+                        new Movie { Title = "Inception", Rating = "PG-13", Description = "A mind-bending thriller", RuntimeMins = 148, CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow },
+                        new Movie { Title = "The Matrix", Rating = "R", Description = "A sci-fi classic", RuntimeMins = 136, CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow }
+                    };
+                    db.Add(movies);
+                    await db.SaveChangesAsync();
+                }
+
+                // Seed Customers
+                if (!db.Customers.Any())
+                {
+                    var customers = new List<Customer>
+                    {
+                        new Customer { Name = "John Doe", Email = "john@example.com", Phone = "123-456-7890", CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow },
+                        new Customer { Name = "Jane Smith", Email = "jane@example.com", Phone = "987-654-3210", CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow }
+                    };
+                    db.Add(customers);
+                    await db.SaveChangesAsync();
+                }
+
+                // Ensure movies exist before adding screenings
+                var movie1 = db.Movies.FirstOrDefault(m => m.Title == "Inception");
+                var movie2 = db.Movies.FirstOrDefault(m => m.Title == "The Matrix");
+
+                // Seed Screenings
+                if (!db.Screenings.Any() && movie1 != null && movie2 != null)
+                {
+                    var screenings = new List<Screening>
+                    {
+                        new Screening { ScreenNumber = 5, Capacity = 100, StartsAt = DateTime.UtcNow.AddDays(1), MovieId = movie1.Id, CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow },
+                        new Screening { ScreenNumber = 3, Capacity = 80, StartsAt = DateTime.UtcNow.AddDays(2), MovieId = movie2.Id, CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow }
+                    };
+                    db.Add(screenings);
+                    await db.SaveChangesAsync();
+                }
+
+                // Ensure customers and screenings exist before adding tickets
+                var customer1 = db.Customers.FirstOrDefault(c => c.Name == "John Doe");
+                var customer2 = db.Customers.FirstOrDefault(c => c.Name == "Jane Smith");
+                var screening1 = db.Screenings.FirstOrDefault(s => s.ScreenNumber == 5);
+                var screening2 = db.Screenings.FirstOrDefault(s => s.ScreenNumber == 3);
+
+                // Seed Tickets
+                if (!db.Tickets.Any() && customer1 != null && customer2 != null && screening1 != null && screening2 != null)
+                {
+                    var tickets = new List<Ticket>
+                    {
+                        new Ticket { NumSeats = 2, CustomerId = customer1.Id, ScreeningId = screening1.Id, CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow },
+                        new Ticket { NumSeats = 3, CustomerId = customer2.Id, ScreeningId = screening2.Id, CreatedAt = DateTime.UtcNow, UpdatedAt = DateTime.UtcNow }
+                    };
+                    db.Add(tickets);
+                    await db.SaveChangesAsync();
+                }
+            }
+        }
+    }
+}