fixed category and product models

src/ProductMicroservice/Model/Category.cs

@@ -1,9 +1,18 @@
-namespace ProductMicroservice.Model
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ProductMicroservice.Model
 {
     public class Category
     {
+        [Key]
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public int Id { get; set; }
+
+        [Required]
         public string Name { get; set; }
+
+        [Required]
         public string Description { get; set; }
     }
 }

src/ProductMicroservice/Model/Product.cs

@@ -1,11 +1,25 @@
-namespace ProductMicroservice.Model
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ProductMicroservice.Model
 {
     public class Product
     {
+        [Key]
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public int Id { get; set; }
+
+        [Required]
         public string Name { get; set; }
+
+        [Required]
         public string Description { get; set; }
+
+        [Required]
+        [Column(TypeName = "decimal(10,2)")]
         public decimal Price { get; set; }
+
+        [Required]
         public int CategoryId { get; set; }
     }
 }