add: ef core

Infraestructure/Data/WorkshopDBContext.cs

@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore;
+using CampusWorkshops.Api.Models;
+
+namespace CampusWorkshops.Api.Infrastructure.Data;
+
+public class WorkshopsDbContext : DbContext
+{
+    public WorkshopsDbContext(DbContextOptions<WorkshopsDbContext> options) : base(options) {}
+
+    public DbSet<Workshop> Workshops => Set<Workshop>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<Workshop>(e =>
+        {
+            e.ToTable("Workshops");
+            e.HasKey(w => w.Id);
+            e.Property(w => w.Title).IsRequired().HasMaxLength(120);
+            e.Property(w => w.Description).HasMaxLength(2000);
+            e.Property(w => w.Location).HasMaxLength(200);
+            e.Property(w => w.Capacity).HasDefaultValue(1);
+            e.HasIndex(w => w.StartAt);
+        });
+    }
+}