feat(Data): aplica mapeamento objeto-relacionado com EF Core

Author: renebentes

src/BlazingShop/Data/AppDbContext.cs

@@ -0,0 +1,20 @@
+using System.Reflection;
+using BlazingShop.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace BlazingShop.Data;
+
+public class AppDbContext(DbContextOptions<AppDbContext> options)
+    : DbContext(options)
+{
+    public DbSet<Category> Categories => Set<Category>();
+
+    public DbSet<Product> Products => Set<Product>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.ApplyConfigurationsFromAssembly(Assembly.GetExecutingAssembly());
+    }
+}

src/BlazingShop/Data/Configurations/CategoryConfiguration.cs

@@ -0,0 +1,19 @@
+using BlazingShop.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace BlazingShop.Data.Configurations;
+
+public class CategoryConfiguration : IEntityTypeConfiguration<Category>
+{
+    public void Configure(EntityTypeBuilder<Category> builder)
+    {
+        builder.ToTable(nameof(Category));
+
+        builder.HasKey(c => c.Id);
+
+        builder.Property(c => c.Title)
+               .IsRequired();
+
+    }
+}

src/BlazingShop/Data/Configurations/ProductConfiguration.cs

@@ -0,0 +1,24 @@
+using BlazingShop.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace BlazingShop.Data.Configurations;
+
+public class ProductConfiguration : IEntityTypeConfiguration<Product>
+{
+    public void Configure(EntityTypeBuilder<Product> builder)
+    {
+        builder.ToTable(nameof(Product));
+
+        builder.HasKey(p => p.Id);
+
+        builder.Property(p => p.Title)
+               .IsRequired();
+
+        builder.Property(p => p.Price)
+               .IsRequired();
+
+        builder.HasOne(p => p.Category)
+               .WithMany(p => p.Products);
+    }
+}

src/BlazingShop/Models/Category.cs

@@ -14,4 +14,6 @@ public Category(int id, string title)
     public int Id { get; set; }
 
     public string Title { get; set; } = string.Empty;
+
+    public IEnumerable<Product> Products { get; set; } = [];
 }