Major rewrite

SoilMoistureAPI/Data/SoilMoistureContext.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore;
+using SoilMoistureAPI.Models;
+
+namespace SoilMoistureAPI.Data
+{
+    public class SoilMoistureContext : DbContext
+    {
+        public SoilMoistureContext(DbContextOptions<SoilMoistureContext> options) : base(options)
+        {
+        }
+
+        public DbSet<SoilMoisture> SoilMoistures { get; set; }
+        public DbSet<Device> Devices { get; set; } // New DbSet for Devices
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            // Configure the primary key for Device
+            modelBuilder.Entity<Device>()
+                .HasKey(d => d.DeviceId);
+
+            // Configure one-to-many relationship
+            modelBuilder.Entity<Device>()
+                .HasMany(d => d.SoilMoistures)
+                .WithOne(s => s.Device)
+                .HasForeignKey(s => s.DeviceId)
+                .OnDelete(DeleteBehavior.Cascade);
+        }
+    }
+}