Added ASP.NET backend with SQLite

backend/MuiCharts.Infrastructure/DataContext.cs

@@ -0,0 +1,46 @@
+using Microsoft.EntityFrameworkCore;
+using MuiCharts.Domain.Models;
+using MuiCharts.Infrastructure.Configurations;
+
+namespace MuiCharts.Infrastructure;
+
+/// <summary>
+/// Represents the database context for MuiCharts application.
+/// </summary>
+public class DataContext : DbContext
+{
+	/// <summary>
+	/// <see cref="Point"/> table.
+	/// </summary>
+	public DbSet<Point> Points { get; set; }
+
+	/// <summary>
+	/// <see cref="Track"/> table.
+	/// </summary>
+	public DbSet<Track> Tracks { get; set; }
+
+	/// <inheritdoc/>
+	public DataContext() : base() {}
+
+	/// <inheritdoc/>
+	public DataContext(DbContextOptions<DataContext> options) : base(options) {}
+
+	/// <inheritdoc/>
+	protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+	{
+		optionsBuilder
+			.UseSqlite("Data Source=data.db")
+			.EnableSensitiveDataLogging(
+				Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") == "Development"
+			);
+	}
+
+	/// <inheritdoc/>
+	protected override void OnModelCreating(ModelBuilder modelBuilder)
+	{
+		base.OnModelCreating(modelBuilder);
+
+		modelBuilder.ApplyConfiguration(new PointEntityTypeConfiguration());
+		modelBuilder.ApplyConfiguration(new TrackEntityTypeConfiguration());
+	}
+}