Add project

Api/Database/SanStudentContext.cs

@@ -0,0 +1,22 @@
+using Api.Database.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace Api.Database;
+
+public class SanStudentContext : DbContext
+{
+    public SanStudentContext(DbContextOptions<SanStudentContext> options) : base(options) { }
+    
+    public required virtual DbSet<Specialization> Specializations { get; set; }
+    public required virtual DbSet<Subject> Subjects { get; set; }
+    public virtual required DbSet<Season> Seasons { get; set; }
+    public required virtual DbSet<Student> Students { get; set; }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<Student>(entity =>
+        {
+            entity.HasIndex(e => e.AlbumNumber).IsUnique();
+        });
+    }
+}