Initial Commit

OtaFleet.Api/Data/OtaDbContext.cs

@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore;
+using OtaFleet.Api.Data.Entities;
+
+namespace OtaFleet.Api.Data;
+
+public class OtaDbContext : DbContext
+{
+    public OtaDbContext(DbContextOptions<OtaDbContext> options) : base(options) { }
+
+    public DbSet<Vehicle> Vehicles => Set<Vehicle>();
+    public DbSet<VehicleGroup> VehicleGroups => Set<VehicleGroup>();
+    public DbSet<FirmwareUpdate> FirmwareUpdates => Set<FirmwareUpdate>();
+    public DbSet<Deployment> Deployments => Set<Deployment>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+        
+        modelBuilder.Entity<Vehicle>()
+            .HasOne(v => v.Group)
+            .WithMany(g => g.Vehicles)
+            .HasForeignKey(v => v.GroupId)
+            .OnDelete(DeleteBehavior.SetNull);
+    }
+}