API updates for functional code

house-plant-api/Context/AppDbContext.cs

@@ -0,0 +1,31 @@
+namespace house_plant_api.Context
+{
+    using house_plant_api.Models;
+    using Microsoft.EntityFrameworkCore;
+
+    public class AppDbContext : DbContext
+    {
+        public DbSet<Device> Devices { get; set; }
+
+        public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            base.OnModelCreating(modelBuilder);
+
+            modelBuilder.Entity<Device>()
+                .HasKey(d => d.Id);
+
+            modelBuilder.Entity<Device>()
+                .Property(d => d.Name)
+                .IsRequired();
+
+            modelBuilder.Entity<Device>()
+                .Property(d => d.Nickname);
+
+            modelBuilder.Entity<Device>()
+                .Property(d => d.Uuid)
+                .IsRequired();
+        }
+    }
+}