Updaed event logic and event creation system

SpotiParty.Web/Models/Event.cs

@@ -1,18 +1,17 @@
 using System.ComponentModel.DataAnnotations;
-using System.ComponentModel.DataAnnotations.Schema;
 
 namespace SpotiParty.Web.Models;
 
 public class Event {
-    [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
-    public int Id { get; init; }
+    [Key]
+    public Guid Id { get; init; } = Guid.CreateVersion7();
 
-    public required User Host { get; init; }
+    public required User Host { get; set; }
 
     [MaxLength(255)]
     public required string Name { get; set; }
 
-    public DateTime Start { get; set; }
+    public DateTime Start { get; set; } = DateTime.Today;
 
-    public DateTime End { get; set; }
+    public DateTime End { get; set; } = DateTime.Today + TimeSpan.FromDays(1);
 }